Method of Strengthening the Foundation of Concrete Guide Wall

A foundation reinforcement and concrete technology, which is applied in the repair of foundation structure, earthwork drilling, foundation structure engineering, etc., can solve the problems that affect the service period and service safety of hydropower stations, and achieve the purpose of enhancing the erosion resistance and extending the service period Effect

CN113006010BActive Publication Date: 2022-04-12SINOHYDRO FOUND ENG +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2022-04-12

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Abstract

The invention discloses a method for reinforcing the foundation of a concrete guide wall, which includes: dividing the guide wall foundation at a preset distance from one side of the concrete guide wall into a plurality of wall sections along a direction parallel to the axial direction of the concrete guide wall; For each wall section, the bottom bedrock expansion pile construction is carried out with two pile holes as a group, so as to obtain the lower connection of two anti-scour piles corresponding to the wall section with multiple groups of anti-scour piles and each group of anti-scour piles An integrated anti-seepage pile wall; a plurality of anti-seepage pile walls obtained by constructing multiple wall sections form an anti-seepage wall for strengthening the foundation of the concrete guide wall. The method of the invention forms an anti-seepage wall at the bottom of the original concrete guide wall, and completely solves the problem of brushing the foundation of the guide wall.
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Description

technical field

[0001] The invention relates to the field of water conservancy and hydropower engineering, in particular to a method for reinforcing the foundation of a concrete guide wall. Background technique

[0002] my country has a vast territory, a large population, shortage of water resources, large differences in time and space distribution, and frequent floods and droughts. For a long time, our people have benefited from water and suffered from water, and have fought against floods and droughts for a long time. Since the founding of the People's Republic of China, water conservancy construction has made remarkable achievements. There are many various types of power stations in operation. During the long-term operation of the power station, affected by hydraulic erosion, the foundation of the concrete guide wall is washed away, and hollowing occurs in some areas at the bottom.

[0003] However, if the bottom of the guide wall of the hydropower station is hollowed o...

Examples

Embodiment Construction

[0081] In order to solve the anti-washing problem of the bottom foundation of the original concrete guide wall of the hydropower station, and completely solve the hydraulic connection between the inside and outside of the guide wall (that is, water can flow from one side of the guide wall bottom to the other side, resulting in the bottom of the guide wall being hollowed out), the present invention developed methods for the reinforcement of concrete guide wall foundations, such as Figure 1b As shown, the method includes:

[0082] dividing the guide wall foundation at a preset distance from one side of the concrete guide wall into multiple wall sections along a direction parallel to the axial direction of the concrete guide wall;

[0083] For each wall section, the bottom bedrock expansion pile wall construction with two pile holes as a group is carried out to obtain the lower part of the two anti-scourion piles corresponding to the wall section with multiple groups of anti-sco...