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依据黄金分割定理对目前深基坑侧土压力计算经常使用的分层总和法和参数综合值法,结合中兴-沈阳商业大厦二期扩建工程深基坑支护工程实例进行分析研究,提出通过调整 C,Φ值,使 1-EaZ/EaH=0.618(黄金分割定理)来确定 Ea和 EaZ值的优化分层总和法,以期达到解决理论模式和以实践为基础的经验模型的不统一问题。优化分层总和法原理简单,计算方法简便,计算结果离散性小,结果可靠。
Based on the golden section theorem, the stratified summation method and parameter comprehensive value method, which are often used in the calculation of earth pressure at the side of deep foundation pit, are combined with the example of deep foundation pit supporting project of the second phase expansion project of Zhongxing-Shenyang Commercial Building. C, Φ, and 1-EaZ / EaH = 0.618 (Golden Section Theorem) to determine the optimal stratified summation of Ea and EaZ values, in order to achieve the non-uniform problem of solving the theoretical model and the practice-based empirical model. The principle of optimal stratified summation method is simple, the calculation method is simple, the discretization of calculation results is small and the result is reliable.