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深基坑围护墙体的侧向位移是基坑开挖与施工中首要控制的变量 ,也是基坑施工中的关键变量。针对上海市黄浦江行人隧道浦东竖井的基坑开挖 ,对坑内降水和加固的效果以及墙体侧向位移进行了分析 ,讨论了不同加固方法对改善和提高坑内土体力学参数的效果 ,及对墙体位移的影响。
The lateral displacement of the retaining wall of deep foundation pit is the primary control variable in the excavation and construction of foundation pit and is also the key variable in the construction of foundation pit. In view of the excavation of the foundation pit of Pudong shaft of Huangpu River pedestrian tunnel in Shanghai, the effect of the precipitation and reinforcement in the pit and the lateral displacement of the wall are analyzed. The effect of different reinforcement methods on improving and raising the mechanical parameters of the soil in the pit is discussed. Impact on wall displacement.