论文部分内容阅读
基于缩尺模型子结构混合模拟试验方法,将正态分布随机数引入测量误差,利用MATLAB和Open SEES混合编程技术,分别对剪切型模型、弯剪型模型进行了考虑测量误差的子结构混合模拟数值模拟分析。数值模拟结果表明:在满足JGJ/T 101—2015《建筑抗震试验方法规程》的误差范围内,缩尺比为1/2、1/4缩尺模型的测量误差与足尺模型相应测量误差基本相当。在缩尺比例不小于1/4情况下,随着地震峰值加速度增大,总的累积相对差值呈增加趋势;在相同地震峰值加速度作用下,总的累积相对差值随梁柱线刚度比增加呈减少趋势。通过1/2钢框架子结构混合模拟试验,验证了所提出的缩尺模型子结构混合模拟试验方法的精准性和可行性。
Based on the substructure mixed simulation test of scale model, the normal distribution random number is introduced into the measurement error. Using the mixed programming technology of MATLAB and Open SEES, the substructure of the shear model and the bending-shear model are considered separately, Simulation Numerical Simulation Analysis. The numerical simulation results show that within the error range of JGJ / T 101-2015 Code for Aseismic Testing of Buildings, the measurement error of 1/2 and 1/4 scale model and the corresponding measurement error of full-scale model quite. When the scale ratio is not less than 1/4, the total cumulative relative difference increases with the increase of earthquake peak acceleration. Under the same peak acceleration, the total cumulative relative difference increases with the stiffness ratio of beam-column Increase is showing a decreasing trend. The accuracy and feasibility of the proposed mixed simulation test for substructure scale model are verified by the hybrid simulation test of 1/2 steel frame sub-structure.