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Building made of sheet pilesRelated Patent Categories: Hydraulic And Earth Engineering, Earth Treatment Or Control, Shoring, Bracing, Or Cave-in Prevention, Sheet Piles, C Or I Sections, With Separate Fastening, Reinforcing Or Sealing MeansBuilding made of sheet piles description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070147962, Building made of sheet piles. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS-REFERENCE TO RELATED APPLICATIONS [0001] The present application claims priority to German Application No. 10 2005 061 721.2 filed 22 Dec. 2005. Said application is expressly incorporated herein by reference in its entirety. FIELD [0002] The invention concerns building structures including residential houses and commercial buildings such as an office buildings and warehouses, together with the components used to construct such builds. BACKGROUND [0003] Typically, sheet piles are used to secure excavation pits, to support areas close to the shore as well as in harbor construction because sheet piles are able to withstand great attacking forces and at the same time can be installed relatively quickly and easily. [0004] For some time now, attempts have been made to use sheet piles for the erection of conventional buildings as well. In this context, the term building refers to residential houses, public buildings as well as commercially used buildings such as office buildings or warehouses. In this application, the load-bearing structure; i.e., the supporting formwork, which takes up the building forces and surrounds the rooms of the building to be utilized, is intended to be built--at least partially--by sheet piles as opposed to more conventional uses of brickwork, concrete and the like. The load-bearing structure may be built exclusively of sheet piles, or it can be built from a combination of brickwork, concrete and similar conventional structures with sheet piles are connected. [0005] To anchor the load-bearing structure in the ground, the sheet piles are either rammed (pile driven) into the ground and/or secured in the ground by other suitable measures such as setting in concrete, for example. [0006] The load-bearing structure of the building made of sheet piles, is then insulated using suitable insulating materials and then covered both on the outside and on the inside. [0007] A building, where the load-bearing structure of the building is formed by so-called Larssen sheet piles is described in Published German Patent Application DE 43 24 612 A1. Because of the relatively high tolerances as well as the extremely high forces present at sheet piles that occur when the sheet piles are rammed into the ground, it requires great effort to maintain the tolerances that are typical when erecting buildings. SUMMARY [0008] With this as background, it is an objective of the present invention to provide a building wherein the problems described above for setting the sheet piles and erecting the load-bearing structure are largely avoided. [0009] According to this disclosure, this objective is achieved in that the interlocks that engage with one another when building the load-bearing structure are dimensioned such that the engaging interlocks essentially contact each only punctiform when viewed cross-sectionally. [0010] When using sheet piles for the erection of load-bearing structures in buildings, it has become apparent that extremely high forces of friction occur in the interlocks, due to the configurations of the interlocks, when the sheet piles are rammed into the ground and/or are connected to one another. Because of the high forces of friction, the sheet piles must be driven into the ground using relatively high forces. This makes accurate and exact positioning of the sheet piles towards each other difficult; therefore, the erection of the load-bearing structure while simultaneously maintaining the narrow distances required by the permitted tolerances requires a great deal of effort. [0011] Subject to the invention, the interlocks that are used to connect the sheet piles to one another are dimensioned and designed such that the interlocks that engage with one another contact each other in a punctiform manner when viewed in cross-section. To this end, the sections of the interlocks that contact each other during engagement of the interlocks are rounded and their dimensions adjusted to each other such that the sections of the two interlocks essentially contact each other only punctiform. This punctiform contact of the engaging interlocks, for example, a two-point contact or a three-point contact has the effect that the forces of frictions that occur in the interlocks when driving the sheet piles into the ground are minimized allowing for an easier insertion and engaging of the interlocks when compared to the state-of-the-art. Another benefit of the disclosed punctiform contact is that the interlocks can move relative to one another within certain limits. [0012] These and other advantages of the invention become apparent from the subsequent description, including the patent claims and the accompanying drawings. [0013] In particular, DE 43 24 612 A1, the disclosure of which is hereby incorporated by reference, shows that only buildings with a rectangular or square floor plan can be erected using sheet piles having Larssen interlock. A floor plan design deviating from this rectangular or square floor plan, for example a floor plan where the main house fronts are provided with curvatures, bays, slants, forward structures and the like cannot be realized with the Larssen sheet piles used thus far. In a particularly preferred advancement of the building subject to the present invention, it is, therefore, recommended to connect the sheet piles with interlocks that can be pivoted at a specified angle range in relation to one another without disengaging the interlocks. The preferred angle range is up to .+-.20.degree.. This pivoting capability in one aspect allows greater leeway with respect to the otherwise more strict permitted dimensional tolerance deviations of the sheet piles to be connected to one another and of enabling the formation of curvatures or corners at other than 90.degree. (for example, less than 90.degree.) in a simple manner without reducing the bearing capacity of the load-bearing structure. [0014] The use of so-called PZ sheet piles has proven particularly advantageous. These are sheet piles with two different interlocks at the two longitudinal (lateral) edges of the sheet pile. One of the interlocks is formed by a neck bar protruding from the longitudinal edge and by a curved, preferably oval, head bar following the end of said neck bar and oriented perpendicular to its longitudinal direction. The other interlock is formed by a claw bar with a C-shaped cross-section protruding from the other longitudinal edge. The claw bar is designed complementary to the head bar such that the head bar can be hooked into the claw bar with a play. The curved design of the sections of the interlocks that engage in one another, namely the rounded head bar on the one side and the rounded claw sections of the claw bar on the other side have the effect of ensuring the aforementioned punctiform contact between the head bar and the claw bar, in this case, a two-point contact. In addition, the curved head bar and the curved claws of the cross-sectional C-shaped claw bar allow pivoting of the interlocks in relation to one another in an angle range of up to .+-.20.degree.. [0015] Also suitable for use in place of the recommended PZ sheet piles are so-called flat sheet piles in which the engaging interlocks are identically formed. In this case, the interlocks are formed by so-called finger bars with a curved profile and a thumb bar molded onto a curved profile of a corresponding holding bar and running perpendicular to the holding bar. [0016] Great flexibility when erecting a building according to the teachings of the present invention is provided, especially if so-called connection profiles are used for connecting at least some of the sheet piles of the load-bearing structure. A connection profile is a profile bar, which exhibits a uniform cross-section across its length, with interlocks molded to the base body of the connection profile, which are designed to complement the interlocks of the sheet piles to be connected to one another. By using connection profiles, it is possible to connect the sheet piles to one another at angles as well, while still ensuring a secure connection between the sheet piles. [0017] It is recommended to use connection profiles with interlocks that are designed on the base body of the connection profile in relation to one another such that the sheet piles to be connected to one another, when hooked into the connection profiles run in their neutral position at a specified angle of 45.degree., 90.degree., 120.degree. or 135.degree. to one another. Corresponding to the floor plan of the building, different connection profiles are used for connecting the sheet piles to each other depending on the desired course of the sheet piles to one another. For example, if a 45.degree. corner is to be realized, a simple connection profile for connecting the sheet piles to one another is therefore used in which the interlocks are at an angle of about 45.degree. to one another. [0018] For certain building structures, it is often necessary to connect more than two sheet piles to one another, for example, to achieve a sufficient bearing capacity for the load-bearing structure. For this reason, it is, according to the invention, further recommended to employ a connection profile that can connect more than two sheet piles together; for example, three or four sheet piles. [0019] Such a connection profile offers the advantage that the sheet piles connected to one another run together in a defined manner in one point which simplifies the erection of the load-bearing structure and at the same time ensures sufficient flexibility in designing the load-bearing structure. [0020] For example, in one particularly preferred embodiment of such a connection profile that serves the connection of three sheet piles with each other, it is recommended that two of the three interlocks provided at the connection profile be arranged in relation to each other such that the two sheet piles in their neutral positions are at an obtuse angle to one another, for example an angle of 120.degree. or even of 180.degree.. The third interlock, on the other hand, is arranged in relation to one of the other two interlocks such that the third sheet pile is in its neutral position relative to the other sheet piles at an angle of, for example, 30.degree., 45.degree., 90.degree. or even 120.degree.. Continue reading about Building made of sheet piles... Full patent description for Building made of sheet piles Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Building made of sheet piles patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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