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通过建立某风井的无内撑圆筒型围护结构GTS有限元模型,模拟了施工过程中结构的受力状态及位移水平,围护结构接缝位置采用弱化刚度的方式,较好地模拟了接缝的传力状态,并根据仿真施工过程得到的位移、应力等进行了分析,阐述此类型围护结构的空间受力性能较好,可为其他类似工程提供参考。
Through the establishment of a GTS finite element model of a non-supported cylindrical enclosure structure of a shaft, the stress state and displacement of the structure during the construction process are simulated, and the weakening stiffness of the joint position of the enclosure structure is adopted to simulate well The force transmission of the joint is analyzed. The displacement and stress obtained from the simulation construction process are analyzed. The space force performance of this type of retaining structure is better, which can provide reference for other similar projects.