Abstract
Garbage dam is an important structure of sanitary landfill, but there is no systematic stability calculation method at present. In this paper, the present situation of a garbage dam is investigated in detail, and it is found that the local settlement of the dam body is large, and there is the possibility of instability. Then, the soil samples were collected from the dam body and the indoor geotechnical tests were carried out. Based on the test data, the GEO-SLOPE software is used to carry out the numerical simulation analysis of the garbage dam. The results of the numerical analysis show that the safety factor of the garbage dam does not meet the requirements of the code, and there is a risk of instability. In view of the problems existing in the dam body, this paper puts forward the solutions for the reinforcement of the dam body, which effectively eliminates the problems of Seepage Damage and crack damage. The results show that the numerical analysis is correct and the reinforcement effect is effective.
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