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某基坑工程的支护结构设计为例,阐述了在针对实施过程中对该基坑的设计方案所进行的优化,包含内支撑布置的合理性,支护桩嵌固深度的验算。采用理正深基坑设计软件对方案优化前后进行了计算对比,通过监测数据表明优化方案的变形与计算值基本吻合,在保证基坑安全前提下起到了降低工程造价的目的,为今后类似基坑施工提供了指导和经验。
As an example, the design of the supporting structure of a foundation pit project is described. The optimization of the design scheme of the foundation pit is expounded. The rationality of the inner support arrangement and the calculation of the embedding depth of the retaining pile are expounded. Through the calculation and comparison of the program optimization before and after the optimization with the software of Lizheng deep foundation pit design, the deformation of the optimization scheme basically agrees with the calculated value, which can reduce the project cost under the premise of ensuring the safety of foundation pit. Pit construction provided guidance and experience.