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Construction method for water-cutoff-free maintenance of aqueduct connecting seams

A construction method and joint joint technology, applied in water conservancy projects, artificial waterways, infrastructure engineering, etc., can solve the problems of short service life, poor water impact resistance, poor sealing, etc., to ensure service life, reliable sealing, prolong The effect of service life

Active Publication Date: 2020-09-11
CHINA GEZHOUBA (GRP) FIRST ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a construction method for aqueduct continuous water repair connection joints, to solve the problem of lack of water cut maintenance aqueduct connection joints, poor sealing performance of maintenance enclosures, poor water impact resistance, and cumbersome maintenance and construction of connection joints. The problem of short service life

Method used

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  • Construction method for water-cutoff-free maintenance of aqueduct connecting seams
  • Construction method for water-cutoff-free maintenance of aqueduct connecting seams
  • Construction method for water-cutoff-free maintenance of aqueduct connecting seams

Examples

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Effect test

Embodiment 1

[0058] like Figure 1~12 As shown, a construction method for the continuous water repair of the aqueduct includes installing the enclosure device 2 on the aqueduct 1 for sealing, and the enclosure device 2 covers 1 / 2 of the width of the transition channel 1 on the projection plane, and the enclosure The construction area in device 2 is cleaned up, the connection joints are cut, chiseled and cleaned, and then the waterstop is replaced, concrete backfilled and the connection joints are embedded and sealed, and the operation is repeated on the other side of the aqueduct 1. The enclosure device 2 covers 1 / 2 of the width of the super transition tank 1 on the projection surface, which ensures that the enclosure device 2 can be moved to the other side for maintenance and construction after the enclosure device 2 is repaired and constructed on the other side. When the maintenance arrives, the enclosure device 2 leans against the aqueduct 1 to form a sealed construction area with an up...

Embodiment 2

[0092] Further illustrate in conjunction with embodiment 1, as Figure 1~8 As shown, the method for sealing the enclosure device 2 on the aqueduct 1 is as follows: the folded enclosure device 2 is hoisted to the joint construction site of the aqueduct 1 by a crane, and the enclosure device 2 is lowered to the bottom of the aqueduct 1 by the crane. Sufficient space on the inner side of the aqueduct 1 is convenient for the expansion of the enclosure device 2; the second support 203 on the enclosure device 2 is opened to the state inside the vertical aqueduct 1 by pulling the rope; The containment device 2 is hoisted and translated until the end of the second support 203 abuts against the inner side of the aqueduct 1; the rope on the second support 203 is pulled and tightened and fixed in the fixed pile 3 on the aqueduct 1; the pull rod device 4 is installed On both sides of the aqueduct 1, adjust the pull rod device 4 to a tight state; by adjusting the push rod 5 in the push adj...

Embodiment 3

[0094] Further illustrate in conjunction with embodiment 1, as Figure 9~12 As shown, the method of cleaning the construction area in the enclosure device 2, cutting, gouging and cleaning the connection joints is as follows: the water in the sealed construction area in the enclosure device 2 is pumped out and discharged into the downstream through the water pump; Descend to the bottom of the aqueduct 1 through the escalator, and cut deep seams on the bottom of the aqueduct 1 and both sides of the inner connecting seam; manually use a steel needle to chisel out the concrete in the seam until the damaged waterstop is seen, and take it out Damage the waterstop, and level the ground of the slit; clean up the sand and stones and other sundries in the slit to ensure that there is no floating slurry, floating soil, and no oil in the slit, so that the slit wall must not have water and keep it as dry as possible; The method for replacing the waterstop, backfilling with concrete and emb...

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Abstract

A construction method for water-cutoff-free maintenance of aqueduct connecting seams includes the steps that an enclosure device is installed on an aqueduct for sealing, the enclosure device covers over half of the width of the aqueduct on a projection surface, a construction area in the enclosure device is cleaned, the connecting seams are cut, chiseled and washed, then water stop belt replacement, concrete backfilling and connecting seam filling and sealing are carried out, and the operation is repeated on the other side of the aqueduct. The enclosure device only cuts off the construction area of the aqueduct connecting seams and does not influence the smoothness of water flow in the aqueduct; the connecting seams are dug, internal water stop belts are replaced, a PTN sealant is reliablein connection and sealing, and the service life is greatly prolonged. The aqueduct connecting seams are constructed section by section, the continuity of the water stop belts in the connection seamsis guaranteed, the leakage problem of connecting points is avoided, and the service life can be guaranteed just by ensuring the corrosion resistance of the water stop belts.

Description

technical field [0001] The invention relates to the field of aqueduct maintenance, in particular to a construction method for aqueduct continuous water maintenance connection joints. Background technique [0002] The structure of the aqueduct section of the urban water supply project is prone to aging and damage to the gasket at the aqueduct joint during long-term operation, resulting in water leakage at the aqueduct joint. Once an accident occurs, it will cause great economic losses and social impact. With the expansion of city scale and the increasing demand for water supply, the urban water supply project after long-term operation has become the main water supply source for the city. In order to meet the urban domestic water demand, the aqueduct structure often does not have the conditions for water-cut construction. Since the aqueduct section is not allowed to cut off the water, conventional maintenance measures are only some apparent consolidation grouting reinforcemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B5/02E02D19/04
CPCE02B5/02E02D19/04
Inventor 熊建武程东赵东琳石玉梅赵华勇周敏朱皓谢靖涛孔凡亮支黎明刘世艳
Owner CHINA GEZHOUBA (GRP) FIRST ENG CO LTD
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