Combined water stop system of waterproof concrete wall

A technology for waterproof concrete and concrete, which is applied in the direction of construction and building structure, and can solve the problem of difficult to ensure the waterproof effect of waterproof concrete wall structure.

Inactive Publication Date: 2014-06-04
CHINA NAT CHEM ENG THIRD CONSTR
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

For the waterproofing of large-scale waterproof concrete wall structures with a water head height exceeding 6m, it is difficult to guarantee the waterproof effect of waterproof concrete wall structures only by using a mid-buried waterproof measure.

Method used

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  • Combined water stop system of waterproof concrete wall

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Embodiment Construction

[0016] Such as figure 1 As shown, the waterproof concrete wall combined waterstop system of the present invention includes a mid-buried waterstop 11 and a water-swellable waterstop 13, the mid-buried waterstop 11 is a steel plate waterstop, and the water-swellable waterstop 13 adopts The rubber waterstop, whose volume expansion rate when encountering water should not be less than 150%. The buried waterstop 11 is fixed on the steel skeleton in the waterproof concrete wall 21 with short steel bars, and one end of the short steel bar is welded to the buried waterstop. The middle part of the belt along the width direction, the other end is welded on the steel bar skeleton, and the short steel bars are arranged alternately on both sides of the buried waterstop, the distance between two adjacent short steel bars is about 1m, and the joint of the buried waterstop adopts Lap welded joints, the lap joint length is not less than 50mm, the mid-buried waterstop 11 is located in the middle...

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Abstract

A combined water stop system of a waterproof concrete wall comprises a centrally-buried type water stop belt and a water swelling water stop rod. The centrally-buried type water stop belt is fixed to a framework of steel reinforcement of the waterproof concrete wall, located in the middle of the framework of steel reinforcement of the waterproof concrete wall in the thickness direction, and stretches from one end of a horizontal construction joint of the waterproof concrete wall to the other end of the horizontal construction joint, and the center, in the width direction, of the centrally-buried type water stop belt and the horizontal construction joint of the waterproof concrete wall are at the same height. The water swelling water stop rod is fixed to a concrete interface on the lower portion of the horizontal construction joint of the waterproof concrete wall and stretches from one end of the horizontal construction joint of the waterproof concrete wall to the other end of the horizontal construction joint. The combined water stop system of the waterproof concrete wall can solve the problem of waterproofing for the structure of the large waterproof concrete wall under the action of extra large head pressure.

Description

technical field [0001] The invention relates to a waterproof system, in particular to a concrete wall waterproof system. Background technique [0002] Waterproof concrete wall structures generally need to set horizontal construction joints on the wall during construction. Choosing an economical and reasonable water-proof system with good waterproof effect at the horizontal construction joints is the fundamental guarantee to ensure the quality of waterproof concrete. At present, the horizontal construction joint waterproofing system of wall structures mainly adopts The tongue-and-groove joint water-stop and mid-buried water-stop water-stop system, the tongue-and-groove joint water-stop is to set a concave or convex joint in the middle of the wall, extend the seepage route and reduce the water head pressure on the back surface to achieve the purpose of water-stopping. The buried water stop system is the main water stop system used in the horizontal construction joints in the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/684
Inventor 陈传江杨超峰宋金岭何效华
Owner CHINA NAT CHEM ENG THIRD CONSTR
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