Using the proposed spatial coherence model,the analytical expressions of combination coefficients are deduced for power spectrum methods and response spectrum methods under multi-support seismic excitations.
本文对现有的常用地震动空间相干模型进行了总结,提出了一个新的面向工程抗震设计应用的形式统一的地震动空间相干函数模型,在此基础上推导出了多点地震反应谱和功率谱计算所需要的振型组合系数的解析表达式,避免了耗费时间的数值积分运算。
One can calculate response spectrum combination coefficient under multipoint earthquake motion input by numerical integration, but it has a low efficiency.
多点地震动输入下反应谱组合系数可以采用数值积分计算,但效率低下。
A new method was developed for determining load characteristic values and combination coefficients.
通过对具有不同概率密度函数的载荷过程的组合 ,分析了非高斯性和相关性对组合载荷特征值及载荷组合系数的影响 。
MTMD1-MTMD-5) are formed in terms of the MTMD system parameter combinations available.
可能的MTMD系统参数组合形成5种MTMD即MTMD-1-MTMD-5。
A new method,referred as consistency factor method,is presented for calculating the deformation of composite steel-concrete girders with partial shear connection.
为准确计算部分剪力连接组合梁在考虑滑移效应时的挠度,在对组合梁变形计算的既有方法进行综合评述的基础上,提出了新的计算方法——组合系数法。