Method for controlling leakage of grouting treatment vertical type asphalt concrete core wall earth-rock dam
A technology of asphalt concrete and controlled grouting, which is applied in construction, infrastructure engineering, etc. It can solve problems such as failure to empty the reservoir, endanger the safety of the dam, and leakage of the dam body, achieve good leakage treatment effects, solve leakage problems, simple layout effect
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[0031] In order to better explain the present invention, the main content of the present invention is further clarified below in conjunction with specific examples, but the content of the present invention is not limited to the following examples.
[0032] A reservoir dam is a rockfill dam with asphalt concrete core wall, the maximum dam height is about 43m, the asphalt concrete core wall 2 is located on the dam axis, the top width is 0.5m, the bottom width is 0.8m, and the thickness of the core wall and the downstream side are 3.0m The crushed stone transition material, the asphalt concrete core wall 2 and the basic concrete cut-off wall are connected by a reinforced concrete base. Due to defects in the asphalt concrete core wall, the leakage of the dam body after impoundment reached 500L / s, which affected the safety of the dam body and the normal operation of the reservoir. According to the survey results of the dam leakage, the asphalt concrete core walls of the entire dam ...
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