【作者】 李今保； 潘留顺； 赵启明；

【Author】 Li Jinbao.Pan Liushun,Zhao Qiming (Jiangsu Southeast Special Technology Project Co.,lid.,Nanjing,Jiangsu 200018,China)

【机构】 江苏东南特种技术工程有限公司；

【摘要】 通过对某建筑物地下室新增电梯井深基坑支护方案的设计,介绍一种在原有建筑物地下室外侧进行支护的实用方法。在整个基坑开挖过程中降水效果良好,确保了基坑的顺利开挖。施工期间和施工结束回填后,对周围建筑物的沉降和位移进行观测,沉降量比较小,符合规范要求。更多还原

【Abstract】 Based on the design of deep foundation excavation supporting scheme on original basement with new fire elevator, this authors introduce a new practical method of how to support the original structure outside.Good effect of precipitation in throughout the excavation procedure is obtained which ensures excavation smooth.During construction and backfill after construction completed,observation about settiement of the surrounding buildings and displacement indicates the settlement is fairly small,which is in line with regulatory requirements.更多还原