Method for repairing dam buttress with foundation soil loss

A technology of dam piles and foundation soil, which is applied in the direction of coastline protection, jetty, pier, etc., can solve problems such as apron collapse, dam pile collapse, foundation soil loss, etc., to prevent erosion, reduce lateral seepage, and improve resistance The effect of rushing ability

Active Publication Date: 2018-01-05
张传河
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AI Technical Summary

Problems solved by technology

A large amount of loss of foundation soil will cause the apron to collapse, slide or collapse the chamber. If it is not repaired in time, it will cause the entire dam to collapse

Method used

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  • Method for repairing dam buttress with foundation soil loss
  • Method for repairing dam buttress with foundation soil loss

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Embodiment Construction

[0023] see figure 1 with figure 2 , the method for repairing foundation soil loss dams of the present invention is described in detail. When it is found that a large amount of foundation soil has been lost in the dam pile, causing the apron to collapse, slide or collapse the chamber, or the foundation soil at the joint between the apron and the dam foundation has not yet occurred Massive churn, once discovered, must be repaired as quickly as possible. Specifically include the following steps:

[0024] 1. Remove the damaged apron and foundation soil: remove the loose or collapsed apron, excavate the foundation soil on the upper part of the dam foundation that does not meet the strength requirements, and stack it in the soil yard for future use.

[0025] 2. Insert the lead wire mesh 12: detect the depth of foundation soil loss at the junction between the apron and the dam foundation soil and rock, and prepare the lead wire mesh 12 according to the detection results, and set ...

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Abstract

The invention relates to the technical field of emergency flood fighting, in particular to a method for repairing a dam buttress with foundation soil loss with IPC being E02B 3 / 12. By adopting the repairing method, crushed stone concrete is poured at a combination part of an original apron and original foundation soil to fill gaps at a combination part of original soil and stones for consolidation, and the crushed stone concrete and a lead wire mesh are consolidated to form a whole body, so that erosion of an ordinary water level to the foundation soil is effectively prevented; a sediment cementing material is filled at a soil and stone combination part of a newly built apron and new foundation soil to form an inverted T-shaped seepage-prevention wall, so that erosion to the new foundationsoil in great floods or continuous rainfalls is effectively prevented; and an earthwork standard room is arranged at a combination part of the new foundation soil and the old foundation soil, so thatthe strength of a combination part of a new soil body and an old soil body is improved.

Description

Technical field: [0001] The invention relates to a method for repairing dam piles damaged by foundation soil loss, belongs to the technical field of water conservancy engineering, and has an IPC international patent classification number of E02B 3 / 12. Background technique: [0002] Embankment projects of rivers, reservoirs, and coasts are built with dams in key parts to resist the erosion of water flow. The dams are generally composed of two parts. One is the soil dam foundation as the main body of the dam, which is generally filled with local loam. The second is to wrap the body. In order to save investment, it is generally made of dry-built stones and wrapped outside the earth dam foundation. The upper part of the wrapping body is called the apron or Tanshi, and the lower part is called the mulch or the root stone. The wrapping body relies on the earth dam foundation to keep itself stable and protect the earth dam foundation from being scoured by water flow. The most dan...

Claims

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Application Information

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IPC IPC(8): E02B3/06E02B3/12C04B28/04C04B28/26C04B111/27C04B111/72
Inventor 张传河
Owner 张传河
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