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Method for supporting and danger removing of high-water-level and thick-sludge reservoir dam

A high water level and silt technology, applied in water conservancy projects, coastline protection, sea area engineering, etc., can solve the problem of thick silt in front of reservoir water level dams, which cannot be supported from the foundation surface by conventional support. Problems such as incomplete reinforcement of the dam

Inactive Publication Date: 2017-07-28
黎恒
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] Due to the reasons of the construction personnel and the different construction techniques, in the existing methods of reinforcement and risk reduction of the reservoir, the water level of the reservoir is high and the silt in front of the dam is too thick to support the water level of the reservoir conventionally from the foundation surface. It is relatively high and the silt in front of the dam is too thick to carry out conventional support from the foundation surface, and grout leakage is prone to occur, resulting in incomplete reinforcement of the reservoir dam, which is likely to leave construction hidden dangers

Method used

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Examples

Experimental program
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Embodiment

[0022] A method for dam support and danger elimination of a high water level, thick silt reservoir, comprising the following steps:

[0023] 1) Do a good job of the anti-pickling experiment of the anchor bar, and adjust the diameter, anchor length, spacing of the anchor bar and the arrangement of the tripod of the load-bearing formwork of the first layer of anti-seepage panel according to the experimental data;

[0024] 2) After the concrete strength of the first layer of anti-seepage panel is poured to reach 70% of the design strength, the concrete of the upper layer of anti-seepage panel is poured, and steps 1 and 2 are repeated to complete the entire construction.

[0025] 3) Fill the well-stirred mixed slurry to the top of the tank plate. After the slurry level does not drop, stop the construction for 8 hours until the initial solidification wall of the mixed slurry is plugged. The mixed slurry is added with expansive soil, cement and sawdust according to 6:2:2 and stirred ...

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Abstract

The invention discloses a method for dam support and danger elimination of high water level and thick silt reservoirs. The method has the advantages of simple construction, low industrial requirements, low engineering cost, high speed, thorough reinforcement and no construction hidden dangers left behind.

Description

[0001] Field [0002] The invention belongs to the field of construction, and in particular relates to a method for supporting and eliminating dangers of a high water level and thick silt reservoir dam. Background technique [0003] Due to the long-term operation of the reservoir, there are phenomena such as aging, man-made damage, and natural erosion in the project. In order to continue the safe operation of the reservoir, it is necessary to investigate, repair, and reinforce the problems and hidden dangers of the water inventory, especially the reservoirs that have been repaired in the past years. , due to immature technology and blind rush to the construction period, there are some sick dams and old dams that need to be repaired. [0004] For example: the earth dam needs to check whether there are holes connecting the upstream and downstream, whether the anti-seepage body is damaged, cracked, and whether there is excessive deformation, causing signs of collapse. Concrete d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B7/00E02B7/02
CPCE02B7/00E02B7/02
Inventor 黎恒
Owner 黎恒
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