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深厚覆盖层防渗墙工程越来越多,深度也越来越大。由于深厚覆盖层地质条件的复杂性,槽壁稳定受到诸多因素的影响,主要影响因素有:地质条件、泥浆性能、地下水位、槽段划分、施工机械和外荷载影响等。针对这些影响因素提出了提高槽壁稳定性的措施,给出槽壁发生坍塌失稳的处理措施,并指明今后研究的发展方向。通过对槽壁稳定的研究,为解决深厚覆盖层防渗墙槽壁失稳问题提供理论依据和研究方法。
Deep cover impermeable wall project more and more, the depth is also growing. Due to the complexity of the geological conditions of the deep overburden, the stability of the trough wall is affected by many factors, including the geological conditions, mud properties, groundwater level, trenching division, construction machinery and the impact of external load. According to these factors, the measures to improve the stability of the tank wall are put forward. The measures to deal with the collapse and collapse of the tank wall are given, and the future research directions are pointed out. Through the study of the stability of the groove wall, the theoretical basis and research methods are provided to solve the problem of instability of the impermeable wall of the deep overburden wall.