摘要
为研究人群与结构相互作用对结构地震响应的影响,基于改进四刚体人体行走模型,建立了能够体现人群结构相互作用的人群-结构相互作用模型。基于该模型,计算了考虑人群-结构相互作用和仅将人群作为活载一部分的结构地震响应。结果表明,考虑人群与结构的相互作用会使人群作用的主要楼层的地震响应出现20%左右的增加,在进行结构抗震设计时,将结构上的人群作为活荷载的一部分,可能低估结构响应,影响结构抗震安全性。
In order to study the effect of crowd-structure interaction on the structural seismic response,a crowd-structure interaction model that can reflect the crowd-structure interaction was established based on the improved four rigidbody human walking model.Based on the model,the seismic response of the structure that considering crowd-structure interaction and taking the crowd only as part of the live load was calculated.The results show that,considering the crowdstructure interaction will increase the seismic response of the main floor with crowd action by about 20%.Therefore,in the seismic design of structures,taking the crowd on the structure as a part of the live load may underestimate the structural response and affect the seismic safety of the structure.
作者
方荆风
吴斌
包宇
FANG Jing-feng;WU Bin;BAO Yu(School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China)
出处
《武汉理工大学学报》
CAS
2022年第9期35-42,共8页
Journal of Wuhan University of Technology
基金
国家自然科学基金(51878525).
