Foundation slab post-cast strip waterproof steel plate combined structure and bracing method thereof
A water-stop steel plate and combined structure technology, which is applied in the direction of basic structure engineering, underwater structures, water conservancy projects, etc., can solve the problems of insignificant anti-leakage effect, insignificant effect, damage, etc., and achieve the goal of overcoming concrete external Leakage, water-stop effect is remarkable, to avoid the effect of easy deviation
Active Publication Date: 2014-09-03
TIANJIN 20 CONSTR
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However, the adoption of these methods all has defects and deficiencies in varying degrees:
[0005] (1) Using expansion water-stop strips, under normal circumstances, the anti-leakage effect is not obvious;
[0006] (2) Rubber waterstop is used, because of its low strength, it is easy to be damaged due to stones, iron wire and concrete vibration during construction, and it cannot achieve the effect of waterstop;
[0007] (3) Adopting advanced water-stop and post-pouring belt, although there is a certain effect, its cost is very high, and the effect is not very significant;
[0008] (4) The water-stop steel plate is used, although the effect is obvious, but it is difficult to fix, and it is easy to cause the deviation of the water-stop steel plate and the debris falling into the post-cast belt during the construction process due to the overflow of concrete in the post-cast belt situation, thus directly affecting the effect of water-stopping, resulting in a waste of funds
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[0052] In order to make the present invention easier to understand, the technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0053] refer to figure 1 , figure 2 , the combined structure of the base plate post-casting water-stop steel plate of the present invention includes a water-stop steel plate 4, and the upper and lower parts of the water-stop steel plate 4 are respectively provided with an upper steel mesh sheet 5 and a lower steel mesh sheet 18 located in the longitudinal center thereof; The upper steel mesh sheet 5 and the lower steel mesh sheet 18 are respectively supported by several upright upper supporting bars 11 and lower supporting bars 21; 3 and the second main reinforcement 20 that is connected to its lower end are fixed; several described lower supporting reinforcements 21 are respectively fixed by the third main reinforcement 17 that is connected to its upper end and ...
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The present invention provides a combined structure of water-stopping steel plates with post-casting on the foundation bottom plate and a supporting method thereof. The longitudinal center is respectively provided with upper and lower steel wire mesh sheets, the lower sides of the waterproof steel plate are respectively welded with steel support, and the distance between two adjacent steel support supports is not more than 500mm; the base floor is cast with a waterproof steel plate The supporting method of the composite structure, including cushion construction, mortar strip construction, welding construction of the waterproof steel plate composite structure, binding of the bottom plate and its upper steel bars, support of the waterproof steel composite structure, fixing of the multi-layer composite structure and bottom plate Steps such as pouring of concrete and post-pouring with concrete. The invention has a good anti-leakage effect, can reliably play a water-stop function, and prevents the deviation of the water-stop steel plate and the falling of sundries into the post-casting belt caused by the overflow of concrete when pouring concrete.
Description
technical field [0001] The invention relates to a treatment method for preventing water leakage of post-pouring belts for concrete structures with large underground areas. More specifically, the invention relates to a combined structure of water-stopping steel plates with post-pouring belts on foundation bottom plates and a supporting method thereof. Background technique [0002] At present, in the construction of industrial and civil buildings, post-pouring belts must be retained for large-scale foundation projects. The post-pouring belt is to prevent harmful cracks in the cast-in-place reinforced concrete structure due to temperature, uneven shrinkage, and uneven settlement during construction. The construction joint temporarily divides the structure into several parts, and after a certain period of shrinkage inside the component, concrete is poured into the construction joint to connect several parts of the structure into a whole. [0003] However, in the construction of...
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IPC IPC(8): E02D29/16
Inventor 田红亮张立东刘志德张波王宇刘双权
Owner TIANJIN 20 CONSTR
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