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根据应变能相等的原则研究了一种沿竖向变刚度的结构连续化模型,推导了水平荷载作用下沿竖向变刚度的剪力墙结构各节点的内力和位移计算公式,改进了将单分段计算公式推导到多分段情况下高度累加的应用。通过算例分析并与有限元软件SAP 2000计算结果对比,验证了连续化模型及内力和位移计算公式的准确性和可靠性,为后续研究工作奠定基础。
Based on the principle of equal strain energy, a continuous structural model with variable stiffness along the vertical was studied. The formula for calculating the internal forces and displacements at each node of the shear wall with variable vertical stiffness under horizontal loads was deduced. The subsection formula deduces the application of highly accumulation in multi-segment case. By comparing with the results of finite element software SAP 2000, the accuracy and reliability of the continuous model and calculation formula of internal force and displacement are verified through example analysis and laid the foundation for subsequent research.