卵形桩在深基坑支护中的应用

Application of Egg shape Piles in Deep Foundation Pit Bracing work of A High rise Building in Fujian

依据笔者参加的某大厦二层地下室深基坑支护工程实践,着重介绍卵形人工挖孔桩的围护,保证支护结构整体稳定。在挖深10m 的条件下支护系统变形小,安全可靠,地下工程施工方便。

Authors of this paper have worked for the deep foundation pit bracing project of two floor basement in Fujian. This paper in tends to present the bracing techique adopted to ensuse the integral stabiliy of the supporting structure under the condition of 10m deep excavation.Finally the whole system deformed only a tolerable amount.It proved that such a technique is safe, reliable, cconmical and convenient.