对商业大厦场地的环境条件和地层的工程地质条件进行了分析，以此为基础选择了各个剖面的支护方案，对支护方案进行了合理的设计，对基坑的稳定性进行各种验算，确保了基坑支护设计方案的安全性和合理性。%Carries on the analysis to the commercial building＇ s environmental condition and the engineering geology condition, to serve as the basis for selecting the various support schemes of the section, has carried on the reasonable design to the supports and protections plan, carries on each kind of checking calculation to the hole excavated for building foundation stability, has guaranteed the hole excavated for building foundation supports and protections design proposal security and the rationality.
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