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Aqueduct seam water stopping device for water conservancy project

A technology for water conservancy projects and water stop devices, applied in water conservancy projects, marine engineering, artificial waterways, etc., can solve problems such as difficult repair, poor adaptability to temperature changes, water leakage, etc., to reduce water seepage, increase water seepage resistance, and solve the gap between aqueduct The effect of the water stop problem

Pending Publication Date: 2019-05-03
NANJING HYDRAULIC RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a water-stopping device for joints between aqueducts used in water conservancy projects, which is convenient for construction and can effectively solve the problems of water leakage, difficulty in repairing after water leakage and poor applicability to temperature changes in existing water-stopping methods

Method used

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  • Aqueduct seam water stopping device for water conservancy project
  • Aqueduct seam water stopping device for water conservancy project
  • Aqueduct seam water stopping device for water conservancy project

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The technical scheme adopted in this embodiment is as follows: figure 1 , 2 As shown, a water-stopping device for seams between aqueducts used in water conservancy projects is arranged in the seams between adjacent aqueduct bodies 1, and includes a first waterproof structure, a second waterproof structure and a third waterproof structure. The first The waterproof structure includes polysulfide sealing paste 5. The polysulfide sealing paste 5 is arranged at the outermost end of the seam. After the aqueduct body 1 passes through the water, the seam is in direct contact with the water body. The polysulfide sealing paste is an auxiliary anti-seepage material. It has good adhesion to materials such as metal and concrete, and maintains good air tightness and water resistance under continuous expansion, vibration and temperature changes. The second waterproof structure includes an expanded rubber waterstop 4, which is arranged below the sealing paste 5. The expanded rubber wa...

Embodiment 2

[0022] The technical scheme adopted in this embodiment is as follows: image 3 , 4 As shown, a water-stopping device for seams between aqueducts used in water conservancy projects is arranged in the seams between adjacent aqueduct bodies 1, and includes a first waterproof structure, a second waterproof structure and a third waterproof structure. The first The waterproof structure includes polysulfide sealing paste 5. The polysulfide sealing paste 5 is arranged at the outermost end of the seam. After the aqueduct body 1 passes through the water, the seam is in direct contact with the water body. The polysulfide sealing paste is an auxiliary anti-seepage material. It has good adhesion to materials such as metal and concrete, and maintains good air tightness and water resistance under continuous expansion, vibration and temperature changes. The second waterproof structure includes an expanded rubber waterstop 4, which is arranged below the sealing paste 5. The expanded rubber wa...

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Abstract

The invention relates to an aqueduct seam water stopping device for a water conservancy project. The aqueduct seam water stopping device is arranged in a seam between adjacent aqueduct bodies, and comprises a first waterproof structure, a second waterproof structure, and a third waterproof structure, the first waterproof structure comprises a sealant, and the sealant is arranged at the outermost end of the seam; the second waterproof structure comprises an expanding rubber water stopping rod, and the expanding rubber water stopping rod is arranged below the sealant; the third waterproof structure comprises a red copper water stopping slice and a pre-pressed water stopping rubber, a bending part is arranged in the middle of the red copper water stopping slice, the bending part is provided with an sealing rubber in a covering mode, the bending part is internally filled with asphalt jute or an expanding rubber, and the pre-pressed water stopping rubber is internally arranged in a gap between the outside of the bending part and an aqueduct; and a polyethylene caulking plate is further arranged below the third waterproof structure. According to the technical scheme, construction of theaqueduct seam water stopping device for the water conservancy project is convenient, and the problems of water leakage, difficult repairing after water leakage, and poor applicability to temperature changing of the existing water stopping mode can be solved effectively.

Description

technical field [0001] The invention relates to the technical field of water conservancy engineering, in particular to a water-stopping device for seams between aqueducts used in water conservancy engineering. Background technique [0002] The aqueduct is an important water conveying structure in hydraulic engineering, and the joint water-stop component, as a detailed structure, is related to the success or failure of the aqueduct design. Commonly used seam sealing forms for aqueducts include: middle lap joint embedded type, adhesive type, caulking butt joint type and pressing plate type. Among them, the lap-joint waterstop is buried in the middle for the cast-in-place concrete aqueduct, and the waterstop is embedded during the pouring process. The waterstop includes rubber or copper waterstop, but this method is due to the vibration of the cast-in-place concrete. Factors such as lack of compactness can easily cause leakage gaps between the concrete and the water stop. In a...

Claims

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Application Information

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IPC IPC(8): E02B5/00E02B3/16
Inventor 赵建平董家范子武宋春山乌景秀盖兆梅王斌尹剑董文财王秋梅
Owner NANJING HYDRAULIC RES INST
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