House constructed from finished product components and constructing method thereof   

Abstract: A house constructed from finished product components and a method for constructing such house are disclosed. The components of the house such as the finished product main frame, the finished product enclosed wall, the finished product floor cover plate, the finished product top cover plate and the finished product stair are finished product industrially constructed in different manufactories, and then transported to the constructing location respectively, and then assembled at the base of the house, so as to form a house constructed from finished product components. By using finished product components, the construction of the house has high efficiency, good quality, less material consumption and shorter construction period. Furthermore, comparing with traditional site operation, constructing house from finished product components is more environment-friendly.

This application is a continuation-in-part of U.S. patent application Ser. No. 12/534,920, filed on Aug. 4, 2009, which claims priority of Chinese patent application No. 200810142231.0 filed on Aug. 4, 2008, the entire content of which are hereby incorporated by reference.

FIELD OF THE INVENTION

The present invention relates to a house, and more particularly to a house constructed from finished product components and a method for constructing such house.

BACKGROUND OF THE INVENTION

Conventionally, houses are constructed with various masonry materials via a wet construction method. However, there are some problems with the method: firstly, a great deal of wood resources are used as underside formworks and supporting materials, which causes large power consumption, low construction efficiency, long construction time, big noise and a great deal of dust; in addition, the masonry materials used in traditional reinforced concrete houses have large weight and poor ductility, and need a large number of reinforced materials so as to meet anti-seismic requirements; finally, enclosed bodies of the traditional reinforced concrete houses have large thermal conductivity and therefore consume energy.

SUMMARY

In view of the above-described problem, it is one objective of the invention to provide a house constructed from finished product components that features low power consumption, high construction efficiency, short construction time, low noise, little dust, light weight, good anti-seismic performance, and small thermal conductivity and is applicable for multi-storey houses and high houses.

It is another objective of the invention to provide a method for constructing a house from finished product components that features low power consumption, high construction efficiency, short construction time, low noise, little dust, light weight, good anti-seismic performance, and small thermal conductivity and is applicable for multi-storey houses and high houses.

To achieve the above objectives, in accordance with one embodiment of the invention, provided is an house comprising a finished product main frame comprising columns and beams connected to each other; an enclosed wall assembled from multiple finished product composite prefabricated external wallboards, wherein, the multiple finished product composite prefabricated external wallboards are individually formed in one piece and then assembled to form a whole finished product enclosed wall; a finished product floor cover plate; a finished product top cover plate; a finished product stair; wherein, the finished product main frame, the whole finished product enclosed wall, the finished product floor cover plate, the finished product top cover plate and the finished product stair are assembled at a base of the house, so as to form a house constructed from finished product components.

In present embodiment, the finished product main frame, the finished product enclosed wall, the finished product floor cover plate, the finished product top cover plate and the finished product stair are finished product industrially constructed in different manufactories, and then transported to the constructing location respectively, and then assembled at the base of the house, so as to form a house constructed from finished product components.

In present embodiment, the whole finished product enclosed wall is produced in the manufactory according to the size determined by the house design and assembled at the base of the house.

By using finished product components, the construction of the house has high efficiency, good quality, less material consumption and shorter construction period. Furthermore, comparing with traditional site operation, constructing house from finished product components is more environment-friendly.

In a class of this embodiment, the finished product composite prefabricated external wallboard comprises a structure layer, at least one light-weight filling block disposed on an inner side of the structure layer, and a heat insulation layer attached to an outer side of the light-weight filling block. The structure layer fills a gap between the heat insulation layer and the light-weight filling block and attaches the heat insulation layer to the light-weight filling block whereby forming the whole finished product composite prefabricated external wallboard. The structure layer is a reinforced concrete layer comprising a reinforced framework arranged around and between the light-weight filling blocks, a reinforced net disposed outside the heat isolation layer and connected to the reinforced framework and fine-stone concrete filling gaps between the reinforced framework, reinforced net, light-weight filling blocks and heat isolation layer, so as to form a finished product composite prefabricated external wallboard in one piece.

In a class of this embodiment, the floor cover plate and the top cover plate are light-weight laminated slabs comprising at least two substrates formed by a hollow stripe board made of prefabricated and reinforced light aggregate concrete disposed on the finished product main frame through a support frame; a reinforced net and a reinforced framework disposed between the at least two substrates; fine-stone concrete filling gaps between the reinforced framework, reinforced net, two substrates and the finished product main frame, so as to form a laminated floor cover plate or top cover plate. The laminated floor cover plate or top cover plate is a concrete plate of waffle beam having fine stiffness and more than 5-6 folds of design carrying capacity, reducing 40% of concrete consumption.

In a class of this embodiment, the support frame is provided with a stud jointed with the reinforced net and/or the reinforced framework so as to form a steel laminated floor cover plate or top cover plate.

In a class of this embodiment, the multiple finished product composite prefabricated external wallboards disposed on different floors are zigzag clutch connected, outside protruding portions and inside grooves of the multiple finished product composite prefabricated external wallboards on different floors are clutch connected to each other, vertical grooves are downwardly disposed on an end of each of the multiple finished product composite prefabricated external wallboards to form cavities, ends of multiple finished product composite prefabricated external wallboards and the cavity are filled with waterproof glue.

In a class of this embodiment, each of the multiple finished product composite prefabricated external wallboards is fixed on an outside of the finished product main frame via coordination between the plurality of wallboard mounts and a plurality of aseismatic and energy-dissipation connector, wherein, the aseismatic and energy-dissipation connector comprises a high-strength bolt, and the wallboard mount comprises a bolt sleeve disposed in each of the multiple finished product composite prefabricated external wallboards, in such a way, the high-strength bolt passes through a screw hole on the finished product main frame and thread connected to the bolt sleeve and fixes the each of the multiple finished product composite prefabricated external wallboards on the finished product main frame, and a damping pad is disposed at a connection of the high-strength bolt and between the each of the multiple finished product composite prefabricated external wallboards and the finished product main frame.

Accordingly to present embodiment, the multiple finished product composite prefabricated external wallboards is fixed on an outside of the finished product main frame when the high-strength bolt is screwed, a certain press is generated on the damping pad. In such a way, earthquake energy can be weakened or absorbed and the house safe factor can be improved.

In a class of this embodiment, the finished product floor cover plate and the finished product top cover plate are directly fixed on the finished product main frame.

In a class of this embodiment, the finished product main frame is a steel frame formed by steel columns and steel beams connected to each other.

In a class of this embodiment, the finished product main frame is a steel frame.

In a class of this embodiment, the finished product composite prefabricated external wallboards on the same storey are planarly connected.

In a class of this embodiment, a supporting plate is disposed on the finished product main frame and operates to support the multiple finished product composite prefabricated external wallboards, multiple positioning pins are vertically disposed on the supporting plate, and multiple positioning holes are disposed on a top surface and a bottom surface of the multiple finished product composite prefabricated external wallboards and correspond to the positioning pins.

To achieve the above objectives, in accordance with one embodiment of the invention, provided is a method for constructing a house comprising a finished product main frame, an enclosed wall, a finished product floor cover plate, a finished product top cover plate, a finished product stair, wherein, the method comprising step 1, individually forming multiple finished product composite prefabricated external wallboards in one piece; step 2, individually forming the finished product stair in one piece; step 3, performing foundation construction of the house; step 4, installing the columns and beams of the finished product main frame; step 5, installing an enclosed cover from assembling the multiple finished product composite prefabricated external wallboards onto the finished product main frame; step 6, installing a finished product top cover plate and finished product stair onto the finished product main frame.

Components of a main part of the house, such as the finished product main frame, the finished product floor cover plate, the finished product top cover plate and the enclosed wall are prefabricated except for a basic part of the house, and thus industrial production is realized. Construction of the house is implemented by industrially produced components and products and processes such as field installation, connection, modification and so on. At the time a base of the house is constructed, factory production of various house components are performed. After the base is constructed, the finished product main frame, the finished product floor cover plate, the finished product top cover plate and the enclosed wall are installed. The invention reduces a great deal of field work, and storey structure and external wall construction do not need a large amount of support frames and scaffolds, which saves energy consumption, water consumption, construction land and construction materials, and reduces construction noise and dust and construction time. Standardization and integration of house components and products are beneficial for application of new technology and materials and renewable energy such as solar energy. For example, solar devices are disposed on roofs, balconies and sunny sides of wall, or outside the structure layer, and the house is capable of improving residence comfort and increasing available use area, reducing consumption of energy and water, and thus facilitating a green house and green construction. Moreover, the invention is capable of implementing standardization, serialization and finalization, house drawing libraries, performing house design via digital management, and presenting architectural styles and aesthetic perception via design techniques such as difference of house layout, modeling of balconies, materials of decorative surface, color configuration and so on.

The finished product main frame of the invention may employ a steel frame since steel is a renewable material that features good technical performance and ductility and capable of improving structural bearing capacity and seismic performance. Various steel components are easy for large-scale production, and feature high production efficiency and high product quality in manufacturing. With increasing demand for steel, to construct houses with steel is a development trend.

The finished product floor cover plate and the finished product top cover plate are light-weight laminated slabs. The light-weight laminated slab uses a hollow stripe board made of prefabricated and reinforced light aggregate concrete as a substrate to replace a traditional process of laying wooden formworks for a finished product floor cover plate and a finished product top cover plate made of cast-in-situ concrete. The substrate is disposed on a special support frame to replace a support headframe.

A reinforced framework is disposed between the substrates, a reinforced net is disposed on an upper surface of the substrate, and the reinforced framework and the reinforced net are cast via C30-grade fine-stone concrete to form the light-weight laminated slab. Since the hollow stripe board of the floor cover plate and the top cover plate can be directly disposed on a finished product main frame that is already constructed via the support frame, the number of bottom formworks and supports is reduced, which improves production efficiency, reduces effect to surrounding environment, and overcomes limitation of storey-by-storey construction. After the finished product main frame is constructed, construction can be performed from any storey upwardly or downwardly, or from multiple stories simultaneously whereby reducing construction time. After the light-weight laminated slab is formed, the only wet construction process—filed concrete casting is performed. After consolidation, the light-weight laminated slab is firmly combined with the finished product main frame to form a combined structure interacted by a composite concrete floor cover or top cover and the finished product main frame and bearing different acting force of the house. Construction of the light-weight laminated slab does not need to dismount a top bracing, a form spacer and a hoisting machine, and decreases some dominant processes. Moreover, the hollow stripe board, the reinforced framework and the reinforced net can be directly processed in factories based on standards and transmitted to a construction field for installation, which greatly improves production efficiency, reduces construction time and helps to implement industrialization of manufacturing.

The finished product composite prefabricated external wallboard of the invention comprises a structure layer, a light-weight filling block, and a heat insulation layer. The structure layer is a reinforced (the reinforced framework and the reinforced net) concrete layer in the shape of a rib, and disposed on an outer side and surrounding of a wall board, and in a gap of the light-weight filling block, which makes the structure layer capable of bearing external force, climate change and rain erosion.

In factories, the multiple finished product composite prefabricated external wallboards is formed by casting light-weight filing block and heat insulation materials, and post-casting, high-strength, waterproof and fine-stone concrete of the reinforced net with doors and windows. After inside and outside decoration, the integral external wallboard is transmitted to the field for installation, which replaces traditional processes such as installing scaffolds, house walls, decorating and so on. The multiple finished product composite prefabricated external wallboards can be installed sequentially and upwardly with the finished product main frame or on different stories simultaneously after the finished product main frame is constructed. A supporting plate is disposed on a supporting point of the finished product main frame, multiple positioning holes are disposed on the multiple finished product composite prefabricated external wallboards are aligned with positioning pins disposed on the supporting plate, which makes it easy for adjacent finished product composite prefabricated external wallboards to be positioned. After positioning, high-strength bolts are used for tightening and fixing via optimized fastening force, and a damping pad is disposed in a gap between the finished product composite prefabricated external wallboard and the finished product main frame. Pressure is generated after the bolt is tightened, under the action of the pressure, the damping pad is worn and deformed, and therefore is capable of implementing a seismic and energy dissipation effect, reducing force applied by an earthquake to the house, and improving seismic performance of the house. The finished product composite prefabricated external wallboards on different stories are clutch connected, which is beneficial for stabilization and firmness of installation of the external wallboard. Ends of the finished product composite prefabricated external wallboards on the same storey are parallel connected. Connection between the finished product composite prefabricated external wallboards on different stories and that on the same storey are caulk sealed to improve a sealing effect. A pair of vertical slots is disposed on both ends of the connection between finished product composite prefabricated external wallboards on the same storey and form a cavity, which increases space of caulk sealing, guarantees tight connection between the finished product composite prefabricated external wallboards, facilitates a rain-proof and anti-seepage effect, and keeps warm and prevents colds. A joint between the finished product composite prefabricated external wallboards is disposed on the finished product main frame, which helps to perform caulk sealing of the finished product composite prefabricated external wallboards and ensures connecting quality.

The finished product composite prefabricated external wallboard forms an integral external wallboard made based on a dimension of one room, namely one finished product composite prefabricated external wallboards is an external wall of one room.

According to present invention, the enforced light aggregate concrete is C30-grade and has a seepage-resistant grade of P6. The light-weight filling block is light-weight-material prefabricated plate with a bulk density less or equal to 500 kg/m2 with certain strength. The light-weight filling block is dispose on an inner side of the finished product composite prefabricated external wallboard whereby reducing an overall weight of the external wallboard and insulating (absorbing) sound. A squeezed foam board has a very low heat transfer coefficient, and is disposed on a middle portion of the finished product composite prefabricated external wallboard as a heat insulation layer and operates as a heat insulation material for the wall. An external-wall door and a window frame are disposed in a mould before concrete is cast, so that the door and the window frame are firmly disposed in the wall, which improves weather ability of the door and the window frame. The invention can facilitate construction of the external wall of the house by transferring the finished product composite prefabricated external wallboard to the field and perform installation one by one and caulk sealing, which decreases construction time, greatly reduces work amount of field construction, construction cost, and effect of construction land to the environment, increases the number of renewable materials, and facilitates real industrialization.

In a class of this embodiment, a gap between the finished product composite prefabricated external wallboards is disposed on the finished product main frame, which makes it convenient to perform caulking sealing on the gap between the finished product composite prefabricated external wallboards and ensures connecting quality.

In a class of this embodiment, the multiple finished product composite prefabricated external wallboards disposed on different floors are zigzag clutch connected, outside protruding portions and inside grooves of the multiple finished product composite prefabricated external wallboards on different floors are clutch connected to each other, vertical grooves are downwardly disposed on an end of each of the multiple finished product composite prefabricated external wallboards to form cavities, ends of multiple finished product composite prefabricated external wallboards and the cavity are filled with waterproof glue.

Except for industrialization of the main part of the house, standardization and industrialization of indoor bathrooms and stairs are also implemented. The bathrooms are configured to have several styles, sanitary wares are selected and molded in an integral or a combined form via polyester composites with pipe joints and connectors being reserved, and processes such as production of the wall, the sanitary wares and other accessories, decorative processing and so on are implemented in factories. Then, they are transmitted to the field for installation and connected to the reserved pipe joint, whereby facilitating convenient construction of the bathrooms, reliable quality and reduced construction cost.

The finished product main frame employs a steel frame that is mature, safe and reliable, makes it convenient for industrialization, large-scale production and recycling use of resources, reduces weight of an upper portion of the house, features comparatively large ductility, a good seismic performance and convenient field installation and construction.

BRIEF DESCRIPTION OF THE DRAWINGS

Detailed description will be given below in conjunction with accompanying drawings, in which

FIG. 1a is a schematic view of a house of an exemplary embodiment of the invention;

FIG. 1b is a front view of a house of an exemplary embodiment of the invention;

FIG. 2 is a partial enlarged view of an F joint in FIG. 1b of an exemplary embodiment of the invention;

FIG. 3 is a partial enlarged view of an F joint in FIG. 1b of another exemplary embodiment of the invention;

FIG. 4 is a partial enlarged view of a G joint in FIG. 1b of an exemplary embodiment of the invention;

FIG. 5 is a partial enlarged view of a P joint in FIG. 1b of an exemplary embodiment of the invention;

FIG. 6 is a partial enlarged view of an I joint in FIG. 1b of an exemplary embodiment of the invention;

FIG. 7 illustrates connection between finished product composite prefabricated external wallboards on different stories;

FIG. 8 is a partial enlarged view of a G position in FIG. 2;

FIG. 9 is a partial enlarged view of an R position in FIG. 7;

FIG. 10 is a schematic view of a finished product composite prefabricated external wallboards of a first exemplary embodiment of the invention;

FIG. 11 is a cross-sectional view of FIG. 10 along a line A-A;

FIG. 12 is a top view of FIG. 10;

FIG. 13 is a schematic view of a finished product composite prefabricated external wallboard of a second exemplary embodiment of the invention;

FIG. 14 is a cross-sectional view of FIG. 13 along a line B-B;

FIG. 15 is a top view of FIG. 13;

FIG. 16 is a schematic view of a finished product composite prefabricated external wallboard of a third exemplary embodiment of the invention;

FIG. 17 is a cross-sectional view of FIG. 16 along a line C-C;

FIG. 18 is a top view of FIG. 16;

FIG. 19 illustrates a wallboard mount disposed in a finished product composite prefabricated external wallboard;

FIG. 20 is a top view of a wallboard mount in FIG. 19;

FIG. 21 is a schematic view of a light-weight laminated slab of an exemplary embodiment of the invention;

FIG. 22 is a cross-sectional view of a light-weight laminated slab in FIG. 21;

FIG. 23 illustrates connection between a light-weight laminated slab and a finished product main frame;

FIG. 24 illustrates connection between an finished product composite prefabricated external wallboard and supporting plate of a finished product main frame; and

FIG. 25 is a schematic view of FIG. 24 along a K direction.

DETAILED DESCRIPTION

As shown in FIGS. 1a and 1b, an house of the invention comprises a finished product main frame 101, an enclosed wall 102, a finished product top cover plate 103, a finished product floor cover plate 104, a separation wall 106, a finished product stair 107, a bathroom 108, and a balcony 109. The enclosed wall is assembled by multiple finished product composite prefabricated external wallboards 202. The bathroom 108, the balcony 109, and the finished product stair 107 are respectively an integral prefabricated bathroom, an integral prefabricated balcony, and an integral prefabricated finished product stair which are hoisted to a designed position for installation. The finished product main frame 101 is a steel frame, and comprises steel columns and steel beams connected to each other via welding or high-strength bolts. The finished product main frame 101 can also be a steel frame.

The finished product composite prefabricated external wallboards and the finished product stair 107 are fixed on the finished product main frame 101. The bathroom 108 is disposed on the finished product floor cover plate 104, and comprises sanitary wares and accessories. The bathroom 108 is configured to have several styles, and sanitary wares are selected, and are molded in an integral or a combined form via polyester composites with pipe joints and connectors being reserved. Processes such as production of the wall, the sanitary wares and other accessories, decorative processing and so on are implemented in factories. Then, they are transmitted to the field for installation and connected to the reserved pipe joint. Kitchen stoves can be directly installed for approved products. The finished product top cover plate 103 and the finished product floor cover plate 104 are light-weight laminated slabs. Field cast concrete is fixedly connected to the finished product main frame 101. The separation walls 106 are transmitted to field and installed one-by-one on the finished product floor cover plate 104 after being prefabricated, and an upper end and a lower end thereof are fixed on the finished product floor cover plate 104 via a buckle.

As shown in FIGS. 10-12, a schematic view of the finished product composite prefabricated external wallboard. The finished product composite prefabricated external wallboard is an external wallboard formed by a structure layer 1 operating as a support framework, 12 light-weight filling blocks 3 arranged in three rows and disposed on an inner side of the structure layer, and a heat insulation layer 2. There is no specific requirement for a shape and dimension of the light-weight filling block 3, and it is normally square, rectangular, triangular and so on and has a dimension between 500 and 850 mm. The heat insulation layer 2 is attached to the outside of the light-weight filling block 3. The heat isolation layer 2 is disposed outside of the light-weight filling block 3, and the structure layer 1 is disposed on a lateral side of the external wallboard. The structure layer 1 fills a gap between the heat isolation layer 2 and the light-weight filling block 3, and attaches them altogether whereby forming the integral external wallboard. The heat isolation layer 2 is a squeezed foam board layer. The light-weight filling block 3 is a light-weight-material prefabricated plate having a bulk density less or equal to 500 kg/m2. The light-weight filling blocks 3 are parallel disposed on one layer, and a gap is disposed between adjacent light-weight filling blocks 3. The structure layer 1 is a reinforced concrete layer, and comprises a reinforced framework 11 disposed around the finished product composite prefabricated external wallboard and between the light-weight filling blocks 3, and a reinforced net 12 disposed outside the heat isolation layer 2 and connected to the reinforced framework 11. The reinforced framework 11 around the finished product composite prefabricated external wallboard is formed by reinforcing bars that are bent and bound, and in the shape of a pane. The reinforced net 12 is a reinforced net formed via a circular weft knitting technology. Concrete is cast into the reinforced framework 11 and the reinforced net 12, and gaps around the heat isolation layer 2 and the light-weight filling blocks 3 whereby forming a reinforced concrete layer. The concrete is fine-stone concrete having a C30-grade and a seepage-resistant grade of P6. The reinforced concrete layer attaches the light-weight filling blocks 3 and the heat isolation layer 2 whereby forming the integral external wallboard 3 whereby forming the integral external wallboard. Heat insulation materials are disposed in a gap between adjacent light-weight filling blocks 3 whereby forming the heat insulation layer 2. Light-weight pearlite mortar is used to float inner surface of the light-weight filling blocks 3 whereby forming inner surface 20 of the wallboard. A hoisting part 5 and multiple positioning holes 7 are disposed on the finished product composite prefabricated external wallboard, and the hoisting part 5 is disposed at the top of the finished product composite prefabricated external wallboard and operates to hoist the finished product composite prefabricated external wallboard. The positioning holes 7 are vertically disposed on an upper end and a lower end of a side plate of the external wall, and operate to install and position the finished product composite prefabricated external wallboard on the finished product main frame 1. A pair of protruding parts 9 and grooves 8 is disposed on an upper end and a lower end of the finished product composite prefabricated external wallboard, and the protruding parts 9 and the grooves 8 are fit with each other. The protruding parts 9 and the grooves 8 on adjacent stories are clutch connected. A semicircular vertical groove 15 is disposed on a side of the finished product composite prefabricated external wallboard, and operates to increase space for waterproof and caulking processing between adjacent finished product composite prefabricated external wallboards. Multiple wallboard mounts 6 are disposed in the finished product composite prefabricated external wallboard, specifically in four corners in the finished product composite prefabricated external wallboard, and connected to the finished product main frame.

As shown in FIGS. 13-15, a finished product composite prefabricated external wallboard with a pre-buried door frame 16 is illustrated. Other parts of the finished product composite prefabricated external wallboard comprise a structure layer 1 operating as a support framework, two rows of light-weight filling blocks 3 disposed on an inner side of the structure layer, and a heat insulation layer 2. The light-weight filling blocks 3 are disposed on both sides of the door frame 16.

As shown in FIGS. 16-18, a floating windowsill 17 and a window frame 21 are pre-buried on the finished product composite prefabricated external wallboard, and other parts of the finished product composite prefabricated external wallboard comprise a structure layer 1 operating as a support framework, three rows of light-weight filling blocks 3 disposed on an inner side of the structure layer, and a heat insulation layer 2. The light-weight filling blocks 3 are disposed on both sides of the window frame 21 and below the floating windowsill 17. The floating windowsill 17 is cast and prefabricated via fine-stone concrete, and a heat insulation layer 18 is disposed in the floating windowsill 17.

As shown in FIGS. 24 and 25, a supporting plate 70 is disposed on the finished product main frame 1 and operates to support and position the finished product composite prefabricated external wallboard 202. The supporting plate 70 is a T-shaped plate, multiple positioning pins 72 are vertically disposed on a horizontal part thereof, and multiple positioning holes 7 corresponding to the positioning pins 72 are disposed on a top surface and a bottom surface of the finished product composite prefabricated external wallboard.

As shown in FIGS. 19 and 20, a wallboard mount 6 is pre-buried in the finished product composite prefabricated external wallboard. The wallboard mount 6 comprises a bolt sleeve 63 disposed in a structure layer 1 of the finished product composite prefabricated external wallboard and being perpendicular to the wall of the finished product composite prefabricated external wallboard. Internal thread is disposed on inner wall of the bolt sleeve 63, a connecting plate 62 perpendicular to the bolt sleeve 63 is disposed on a front part of the bolt sleeve 63, a connecting rod 65 is perpendicular thereto is disposed on a rear part of the bolt sleeve 63, and a reinforced framework 61 is disposed outside the bolt sleeve 63. The connecting plate 62 and the connecting rod 65 are strengthening parts operating to improve stability of the bolt sleeve 63 in the structure layer 1 and connection strength of the wallboard mount 6.

As shown in FIGS. 2, 3, 4, 5, 6 and 8, connection between finished product composite prefabricated external wallboards on the same storey and that between the finished product composite prefabricated external wallboard and the finished product main frame are illustrated, in which FIGS. 2 and 3 illustrate connection between finished product composite prefabricated external wallboards at corners, and FIGS. 4, 5 and 6 illustrate connection between finished product composite prefabricated external wallboards on the same storey on one side of the house. Finished product composite prefabricated external wallboards 202 on the same storey are planarly connected, Adjacent ends of adjacent finished product composite prefabricated external wallboard 202 are planes. The finished product composite prefabricated external wallboard 202 is fixed on a joint between a steel column and a steel beam of the finished product main frame 101 by fitting the wallboard mounts 6 disposed on four corners of the finished product composite prefabricated external wallboard with a seismic and energy-dissipation connector. The seismic and energy-dissipation connector comprises a high-strength bolt 404. The wallboard mount 6 comprises a bolt sleeve disposed in the finished product composite prefabricated external wallboard 202. The bolt 404 passes through a screw hole on the finished product main frame 101, is thread connected to the sleeve and fixes the finished product composite prefabricated external wallboard on the finished product main frame 101. A damping pad 303 is disposed at a connection of the bolt and between the finished product composite prefabricated external wallboard 202 and the finished product main frame 101.

An end at a connection between two finished product composite prefabricated external wallboards 202 on the same storey is a plane, and a vertical groove 15 is downwardly disposed on an end of each of the finished product composite prefabricated external wallboards 202. The two vertical grooves 15 form a cavity. After installation of all finished product composite prefabricated external wallboards is finished, a caulking sealing process is performed between ends of the finished product composite prefabricated external wallboard 202 and in the cavity. As shown in FIG. 8, foaming polyurethane 53 is injected into a middle part of the gap and into the cavity, a pair of double-faced foaming rubber strips 52 are filled in both sides of the foaming polyurethane 53, and waterproof glue 51 is filled in a lateral outside thereof. Alternatively, the foaming polyurethane is not injected into the cavity, and the double-faced foaming rubber strips 52 are filled in both sides of the cavity. The waterproof glue 51 filled in a lateral outside thereof fills a gap between the finished product composite prefabricated external wallboard, which facilitate a waterproof effect.

As shown in FIGS. 7 and 9, connection between finished product composite prefabricated external wallboard 202 on adjacent stories is illustrated. Finished product composite prefabricated external wallboards on different stories are zigzag clutch connected, and protruding portions and grooves of the finished product composite prefabricated external wallboards on different stories are clutch connected to each other. Caulk sealing and waterproof processing are performed in a gap there between. Foaming polyurethane 53 in injected into the middle of the gap, double-faced foaming rubber strips 52 are filled in both sides of the foaming polyurethane 53, and waterproof glue 51 is filled in a lateral outside thereof, whereby filling the gap between the finished product composite prefabricated external wallboard 202 on adjacent stories and facilitating a waterproof effect.

As shown in FIGS. 21, 22 and 23, the invention uses light-weight laminated slabs as the finished product top cover plate 103 and the finished product floor cover plate 104. The light-weight laminated slab uses a hollow stripe board made of prefabricated and reinforced light aggregate concrete as a substrate 40. The substrate 40 is disposed on a support frame 45. A reinforced framework 42 and a reinforced net 43 are respectively disposed between the substrates 40 and on the substrate 40, and are cast via C30-grade fine-stone concrete 41 to form the light-weight laminated slab fixedly connected to the finished product main frame 101. Since the substrate 40, namely the hollow stripe board can be directly disposed on the finished product main frame 101 that is already constructed via the support frame 45, the number of bottom formworks and supports is reduced, which improves production efficiency, reduces effect to surrounding environment. Post-casting of the light-weight laminated slab is the only wet construction process, after consolidation, the light-weight laminated slab is firmly combined with the finished product main frame 1 to form a combined structure interacted by a composite concrete floor cover or top cover and the finished product main frame and bearing different acting force of the house.

Construction of the house of the invention comprises steps of:

1. Firstly, an architecture design scheme is determined, a detailed construction drawings are made based thereon according to standardization and digitalization, foundation construction of the house is performed based on the detailed construction drawings, and large-scale production of upper parts such as the finished product composite prefabricated external wallboard, the finished product stair, the bathroom, the balcony, the light-weight laminated slab and so on is conducted in factories.

2. After foundation construction of the base is completed, the finished product main frame is installed, which comprising installing steel columns and then steel beams, connection between the steel columns and the steel beams is implemented by high-strength bolts or welding.

3. After the finished product main frame is constructed, the enclosed wall is installed, the finished product composite prefabricated external wallboard using light-weight filing block and heat insulation materials, and post-casting, high-strength, waterproof and fine-stone concrete of the reinforced net are cast with doors and windows to form an integral external wallboard. After inside and outside decoration, the integral external wallboard is transmitted to the field for installation, which replaces traditional processes such as installing scaffolds, house walls, decorating and so on. The finished product composite prefabricated external wallboards can be installed sequentially and upwardly with the finished product main frame or on different stories simultaneously after the finished product main frame is constructed. A supporting plate is disposed on a supporting point of the finished product main frame, multiple positioning holes are disposed on the external wallboard are aligned with positioning pins disposed on the supporting plate. The finished product composite prefabricated external wallboard is disposed on the supporting plate, and then a damping pad is disposed in a gap between the finished product composite prefabricated external wallboard and the finished product main frame, high-strength bolts are used for tightening and fixing via optimized fastening force. The damping pad is capable of implementing a seismic and energy dissipation effect, reducing force applied by an earthquake to the house, and improving seismic performance of the house. Finished product composite prefabricated external wallboards on different stories are clutch connected, sealing and waterproof caulking processing is performed on connection between finished product composite prefabricated external wallboards on different stories and that between finished product composite prefabricated external wallboards on the same storey, whereby ensuring firm connection between the finished product composite prefabricated external wallboards. A gap between the finished product composite prefabricated external wallboard is disposed on the finished product main frame, which makes it convenient to perform caulking sealing on the gap between finished product composite prefabricated external wallboards and ensures connecting quality.

4. After installation and construction of the enclosed wall are completed, the finished product floor cover plate and the finished product top cover plate are installed. The finished product floor cover plate and the finished product top cover plate use light-weight laminated slabs, the light-weight laminated slabs use hollow stripe boards made of prefabricated and reinforced light aggregate concrete as substrates, and the substrate is disposed on the support frame. A reinforced framework and a reinforced net are respectively disposed between the substrates and on an upper surface of the substrate, cast via C30-grade fine-stone concrete, and fixedly connected to the finished product main frame.

5. Processes such as production of the wall, the sanitary wares and other accessories, decorative processing and so on are implemented in factories. Then, they are transmitted to the field for installation and connected to the reserved pipe joint.

6. The separation wall: a hollow stripe board is prefabricated in factories according to a required size and transmitted to the field for connection and installation.

7. The balcony: it is integrally prefabricated according to design drawings and disposed on the steel beam protruding from the finished product main frame.

8. The finished product stair: it is sectional prefabricated according to design drawings and installed on the steel beam of the finished product main frame in a finished product stair case.

9. Electric circuits: they are buried according to design drawings at the time the wallboard is prefabricated and post-casting of the floor top cover is performed, and circuits are installed as indoor decoration is performed.

10: Water supply and sewerage pipelines: pipelines are installed in reserved pipeline holes after the finished product floor cover plate is constructed.

Table 1 indicates analysis and comparison between consumables of the invention and those of a traditional cast-in-situ reinforced concrete house.

TABLE 1 Analysis and comparison of consumables (applicable for multi-storey and small sized multi-storey houses) Consumables per Number Position Specific project square house area Remark 1 Main I. the house structure 1. steel framework 42-50 kg/m2 2. hollow stripe 0.85 m2/m2 board substrate made of reinforced light-weight concrete 3. post-casting C30 0.065 m3/m2 concrete 4. reinforced net 7.5 kg/m2 laminated slab

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