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Liaocheng, China

Wang B.,Shandong Jinzhu Group CO. | Hu C.-M.,Xian University of Architecture and Technology | Ge Z.-S.,China Academy of Building Research | Tan J.-B.,Shandong Jinzhu Group CO.
Xi'an Jianzhu Keji Daxue Xuebao/Journal of Xi'an University of Architecture and Technology | Year: 2012

A FEM with material multilinear kinematic hardening and node semi-rigid was established in ANSYS simulate test model of fastener-style tubular steel falsework based on material characteristic and node semi-rigid experimentation.Based on the data of measured imperfection, both the consistent mode imperfection method and stochastic imperfection method were employed to analyze the stability of the imperfection model. The result proved the model's correctness and consistent mode imperfection method's feasibility. In analyzing the fastener-style tubular steel falsework, the paper points out that fastener-style tubular steel falsework should belong to imperfection-sensitive structure. The brittleness failure characteristic of fastener-style tubular steel falsework proved to be valid and several significan conclusion are deluced after the deformation mode and load-displacement curve of the test were analyzed consistent mode imperfection method and stochastic imperfection method all proved to be valid. Source

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