Externally bonded water-stop belt structure for integrated active and passive water stop of deformation joint
An externally attached waterstop, active and passive technology, applied in underwater structures, infrastructure engineering, water conservancy projects, etc., can solve the problems of concrete being easily damaged, structural water leakage, concrete separation, etc., and achieve engineering quality Easier to control, slow down structural water leakage, and save construction costs
Active Publication Date: 2016-10-12
中铁二院重庆勘察设计研究院有限责任公司
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[0003] Passive waterproof materials mainly include water-swellable water-swelling glue and water-swelling water-swelling strips, but they are difficult to install accurately and are
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[0021] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0022] Such as figure 1 , figure 2 As shown, it is defined that the left-right direction shown in the figure is the width direction of the main belt body 1, and the direction perpendicular to the paper surface is the length direction of the main belt body 1. The main belt body 1 is preferably formed by extrusion molding, and the two ends of the main belt body 1 in the left and right direction are integrally formed with an upwardly protruding side convex body 2, and the side convex body 2 extends along the length direction of the main belt body 1, and the side convex body The front and rear ends of 2 are flush with the corresponding end surfaces of the main belt body 1, and the side protrusions 2 on the left and right sides are symmetrical, and the cross section of the side protrusions 2 is preferably rectangular.
[0023] Such as figure 1 , figure 2 As ...
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The invention discloses an externally bonded water-stop belt structure for integrated active and passive water stop of a deformation joint. Upward raised edge covex bodies are arranged on two ends of a main belt body along a width direction; a boss is integrally formed in the middle part of the top face of the main belt body; middle convex bags are symmetrically arranged at two sides of the boss; water inlet holes are formed on outer side walls of the middle convex bags; middle convex bag water-swelling bodies are arranged in inner cavities of the middle convex bags; a side convex bag is arranged between each middle convex bag and the corresponding edge convex body at the same side; water inlet holes are formed on outer side walls of the side convex bags; side convex bag water-swelling bodies are arranged in inner cavities of the side convex bags. According to the externally bonded water-stop belt structure for integrated active and passive water stop of the deformation joint provided by the invention, active water resistance and passive water resistance are combined, and multiple water resistance and shutoff is provided, so that the water shutoff effect is good; the convex bags have a protection and restriction function on the water-swelling bodies, so that the water shutoff effect can be improved; the externally bonded water-stop belt structure for integrated active and passive water stop of the deformation joint provided by the invention is simple and feasible to apply, the construction cost can be saved, the engineering quality can be controlled easily, water is shut off from the outer contour of the structure, and the concrete structure is good in durability.
Description
technical field [0001] The invention belongs to the technical field of waterproofing of tunnels and underground engineering, and in particular relates to an externally attached waterstop structure for active and passive integrated waterstopping of deformation joints. Background technique [0002] At present, tunnels and underground projects generally adopt the principle of waterproofing the main body of the structure, and focusing on the waterproofing of detailed structures such as construction joints and deformation joints. However, due to the level of construction and technology, the shrinkage and creep of concrete, and the performance differences between waterproof materials and concrete, etc., there are defects in detailed waterproofing, and water seepage in details such as construction joints and deformation joints has become a prominent engineering problem in current tunnel and underground projects. Tunnels and underground projects are mostly reinforced concrete struct...
Claims
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Login to view more IPC IPC(8): E02D29/16E02D31/02E21D11/38
CPCE02D29/16E02D31/02E21D11/385
Inventor 李海军
Owner 中铁二院重庆勘察设计研究院有限责任公司
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