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02/23/06 - USPTO Class 052 |  80 views | #20060037278 | Prev - Next | About this Page  052 rss/xml feed  monitor keywords

Fluid containment vessel, method of constructing fluid containment vessel, in particular chemical-resistant concrete liquid containment vessel

USPTO Application #: 20060037278
Title: Fluid containment vessel, method of constructing fluid containment vessel, in particular chemical-resistant concrete liquid containment vessel
Abstract: Method of constructing a wall includes constructing a wall defining an upper region, a lower region, and a transition region between the upper and lower regions. The method includes erecting an exterior wall, the exterior wall including at least one layer, and the at least one layer including a wall segment having a height extending from the lower region to the transition region. The exterior wall segment may include a first material. Interior wall includes at least one layer, the at least one layer including a wall element having a height extending within the lower region. The interior wall element may include a second material. Method includes providing a non-post-tensioned reinforcing element in the lower region and providing a post-tensioned reinforcing element in the upper region of the wall. (end of abstract)



Agent: Shlesinger, Arkwright, Garvey LLP - Alexandria, VA, US
Inventors: Stephen D. Crane, Shawn E. Griffin, David M. Honan
USPTO Applicaton #: 20060037278 - Class: 052745010 (USPTO)

Fluid containment vessel, method of constructing fluid containment vessel, in particular chemical-resistant concrete liquid containment vessel description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20060037278, Fluid containment vessel, method of constructing fluid containment vessel, in particular chemical-resistant concrete liquid containment vessel.

Brief Patent Description - Full Patent Description - Patent Application Claims
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CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application is a continuation of application no. PCT/US2004/007696, filed Mar. 30, 2004, which claims the priority of application Ser. No. 60/461,419, filed Apr. 10, 2003, and each of which are incorporated herein by reference.

FIELD OF THE INVENTION

[0002] The invention relates to walls and methods of constructing walls. More particularly, the invention relates to cast concrete walls, and even more particularly cast concrete walls including pre-cast exterior wall, and faced inner walls.

BACKGROUND OF THE INVENTION

[0003] Walls have been built with and without the use of binders for hundreds of years.

[0004] Cast concrete walls are likewise known that are constructed with or without the use of reinforcing elements, such as rebar.

[0005] Concrete liquid containment vessels are known for use in the chemical, pulp, and paper industries.

[0006] There are drawbacks of the known walls and vessels.

OBJECTS AND SUMMARY OF THE INVENTION

[0007] It is an object of the invention to overcome the drawbacks of known walls and fluid containment vessels, such as liquid containment vessels.

[0008] Another object of the invention is to provide a method of constructing a wall such as in the form of a vessel, which can be erected with little or no formwork.

[0009] A further object of the invention is to provide a chemical-resistant liquid containment vessel which incorporates the economy of post-tensioned concrete with the flexibility and process adaptability of reinforced concrete.

[0010] Another object of the invention is to provide a wall in which a faced inner wall, such as an inner wall having a chemical-resistant material incorporated substantially directly into the wall, may be provided.

[0011] A still further object of the invention is to provide a method of constructing a wall, and a wall suited to post-construction changes in the wall, such by the addition of an opening in a lower portion of the wall.

[0012] A further object of the invention is to provide a wall or vessel having a chemical-resistant inner wall constructed without compromising the structural integrity of the wall or vessel.

[0013] Yet another object of the invention is to provide a method of constructing a wall, and a wall so constructed, that a chemical-resistant material for use as a face of the wall is incorporated into the wall during construction of the wall.

[0014] Another object of the invention is to ensure that a chemical-resistant material used as a face or surface of the wall remains properly bonded with the wall in use.

[0015] Yet another object of the invention is to provide a method of constructing a wall, and a wall so constructed, suitable for construction in a location having limited available space for construction formwork, such as in an existing industrial plant.

[0016] A further object of the invention is to provide a wall and method of constructing such, that is environmentally friendly, more economical to construct than known walls, and readily adapted to the demands of different construction environments and different and end-use requirements.

[0017] In summary, the method of constructing a wall according to the invention includes constructing a wall defining an upper region, a lower region, and a transition region between the upper and lower regions. The method includes erecting an exterior wall, the exterior wall including at least one layer, and the at least one layer including a wall segment having a height extending from the lower region to the transition region. The exterior wall segment may include a first material. Erecting an interior wall, the interior wall including at least one layer, the at least one layer including a wall element having a height extending within the lower region. The interior wall element may include a second material. Erecting the exterior wall at a distance from the interior wall, and providing a space between the interior and exterior walls. Providing a reinforcing element in the space between the interior and exterior walls in the lower region and providing a post-tensioning reinforcing element in the upper region of the wall. At least partially filling the space between the interior and exterior walls in the lower region of the walls with a cementitious material after the at least one layer of the interior wall has been erected.

[0018] The inventive method and wall may include that the exterior wall is erected substantially without the use formwork, and the interior wall is erected substantially without the use of formwork.

[0019] The inventive method of constructing a wall may likewise include that the interior wall defines an enclosed space.

[0020] Relative terms such as left, right, up, down, interior, exterior, cementitious, wall, and the like are for convenience only and are not intended to be limiting.

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Brief Patent Description - Full Patent Description - Patent Application Claims

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