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传统环梁形式的水平支撑体系存在连续破坏的安全隐患,考虑冗余度设计方法,引入临时转换受力体系的设计思想,将角支撑设为主支撑,有效的增加了传力路径。留出足够的时间进行环形支撑的修复,从而避免基坑支撑体系发生连续破坏。该设计方法在上海某基坑工程中得到了应用。
The horizontal support system of the traditional ring beam has the potential safety hazard of continuous destruction. Considering the design method of redundancy, the design idea of temporary conversion force system is introduced, and the angle support is set as the main support, which effectively increases the force transmission path. Allow sufficient time for repair of the ring support to avoid continuous damage to the foundation pit support system. The design method has been applied in a foundation pit project in Shanghai.