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苏州工业园区某工程地下室由于局部地下一层拆除,形成8m深的现有基坑。其南侧9~14m远深达15.3m的深基坑即将开挖。现有基坑也将继续挖深4m。本文详细介绍了现有基坑的加固,以及现有基坑继续挖深时的基坑支护设计。计算分析及监测结果表明,本设计安全可靠,可供类似工程设计参考。
A basement of a project in Suzhou Industrial Park was demolished partly by underground to form an existing foundation pit of 8m deep. Its deep excavation about 15.3m deep in the south of 9 ~ 14m will be excavated soon. The existing foundation pit will also continue to dig deep 4m. This paper introduces in detail the reinforcement of the existing foundation pit and the design of foundation pit support when the existing foundation pit continues to dig. Computational analysis and monitoring results show that the design is safe and reliable and can be used for reference of similar engineering design.