摘要
采用一维等效线性化方法,计算分析了基岩地震动经水平成层的土壤传播后所发生的变化,考虑了冻土层的存在和地基辐射阻尼的影响,并按一维波动理论进行了反演计算。计算结果表明,在结构抗震设计时,应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。
The changes of earthquake acceleration in bed rock after transiting in horizontal soil layers are calculated by using the method of equivalent linearization. The influence of frozen earth layers and radiant damps of groundwork is considered and back-analysis is performed. The results indicate that the factors of radiant damps of groundwork and changes of seasons should be considered in seismatic design of structure.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2003年第z2期2789-2793,共5页
Chinese Journal of Rock Mechanics and Engineering
关键词
土力学
场地
地震
冻土层
辐射阻尼
soil mechanics,ground,earthquake,frozen earth layer,radiant damps
