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通过对核心墙结构的约束扭转引入新的基本假定,导出了在考虑剪应变的条件下,确定核心墙截面扇性特征的方法。 在此基础上,给出了计算不对称核心墙结构弯曲——扭转偶联振动的两种实用方法:集中质量方法及加辽金方法,并从对实例的计算结果中归纳出核心墙结构弯曲——扭转偶联振动的一般特征。 进行了不对称核心墙模型的静力和动力试验,按本文方法求得的理论值与实验结果符合较好。
Through the introduction of new basic assumptions on the restraint and twisting of the core wall structure, a method for determining the fan characteristics of the core wall section under the condition of considering the shear strain is derived. Based on this, two practical methods for calculating bending-torsional coupled vibrations of asymmetrical core wall structures are presented: the lumped mass method and the Galerkin method, and the core wall structure bending is summarized from the results of the examples. - General characteristics of torsional coupled vibrations. The static and dynamic tests of the asymmetrical core wall model were carried out. The theoretical values obtained by this method agree well with the experimental results.