摘要
考虑地震动强度是以卓越周期和地面运动峰值加速度二维参量所构成的映射为前提条件,提出了考虑地震不确定性的反应谱参量双界限凸集模型,将地震不确定因素反映在文中所提出的双界限模型之中,并在此基础上,论证了各种地震作用效应的最不利情况.结果表明:该模型的特点是能够完全结合现行工程抗震进行分析计算,且简易实用.
Based on prescribed earthquake intensity over predominant period and peak acceleration of ground motion, a bounded convex model with two spectrum prameters is proposed to analyze seismic uncertainties. The most damaging response to earthquake is discussed. The present code in the model could be used to obtain data for analyzing seismic effects.