[1]国巍,余志武.高速铁路客站房桥合一结构层间隔震优化策略研究[J].地震工程与工程振动,2012,(03):157-164.
 GUO Wei,YU Zhiwu.Research on optimization strategy of storey isolation in the integrated building-bridge structure of high-speed railway station[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2012,(03):157-164.
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高速铁路客站房桥合一结构层间隔震优化策略研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2012年03期
页码:
157-164
栏目:
出版日期:
2012-05-28

文章信息/Info

Title:
Research on optimization strategy of storey isolation in the integrated building-bridge structure of high-speed railway station
作者:
国巍 余志武
中南大学 土木工程学院,高速铁路建造技术国家工程实验室,湖南 长沙 410075
Author(s):
GUO Wei YU Zhiwu
National Engineering Laboratory for High Speed Railway Construction, School of Civil Engineering, Central South University, Changsha 410075, China
关键词:
房桥合一结构层间隔震虚拟激励法参数域优化策略
Keywords:
integrated building-bridge structurestorey isolationpseudo-excitation methodparameter fieldoptimization strategy
分类号:
TU311.3;P315.92
摘要:
作为当前高速铁路建造中出现的一种新型客站形式——房桥合一结构体系已经开始应用于实际工程,其抗震设防研究有着迫切需求和重要意义。基于此,本文对房桥合一结构中设置层间隔震来实现减震控制开展研究工作,并重点探讨此类控制方法的参数优化策略。首先建立了房桥合一结构数值模型,通过引入虚拟激励法推导了高效准确的随机计算式,继而指出采用参数域方法进行优化更为合理,它可实现隔震层参数有效配置。最后,通过数值研究对随机地震激励下房桥合一结构层间隔震优化策略进行了验证分析,分别基于单桥模型和多桥模型研究了其减震机理和减震效果,提出可提高减震效果的参数优化策略。本文研究结果表明:设置经过参数合理优化的层间隔震装置对房桥合一结构减震是可行且有效的。
Abstract:
As a new type of structural system appearing in Chinese high speed railway construction, the seismic design research of integrated building-bridge structure has great significance. Based on this point, the application of storey isolation technique to the vibration control of integrated building-bridge structure is studied in this paper, and the research focuses on the effective parameter optimization strategy. Firstly, a numerical model of the integrated building-bridge structure is established, and by introducing the pseudo-excitation method,an efficient and accurate random formula is derived.Then,as the parameter field optimization method can achieve the effective setting, it is more reasonable and adopted in this paper. Finally, by numerical work,the optimization strategy of storey isolation in the integrated building-bridge structure subjected to random excitation is also studied, and the single-bridge model and multiple-bridge model are respectively adopted to investigate their effect and corresponding parameter’s setting. The results show that the reasonable optimized storey isolation is feasible and effective in the seismic response reducing of the integrated building-bridge structure.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011-10-21;改回日期:2011-11-9。
基金项目:国家自然科学基金项目(50938008,51108466);中国博士后基金(20110491277);中南大学自由探索项目;中南大学博士后基金;中南大学引进人才科研基金
作者简介:国 巍(1982-),男,讲师,博士,主要从事复杂结构体系抗震设防研究.E-mail:wei.guo.86@gmail.com
更新日期/Last Update: 1900-01-01