Seismic Design of Bridges against Near-Fault Ground Motions Using Combined Seismic Isolation and Restraining Systems of LRBs and CDRs

doi:10.1155/2019/4067915

CORC > 兰州理工大学 > 兰州理工大学 > 土木工程学院

	Seismic Design of Bridges against Near-Fault Ground Motions Using Combined Seismic Isolation and Restraining Systems of LRBs and CDRs
	Li, Xiaoli 1; Shi, Yan 2
刊名	SHOCK AND VIBRATION
	2019
ISSN号	1070-9622
DOI	10.1155/2019/4067915
英文摘要	This paper focuses on the seismic isolation design of near-fault bridges under the seismic excitations of near-fault ground motions in high-intensity earthquake zones and proposes a combined control system using lead rubber bearings (LRBs) and cable displacement restrainers (CDRs) along with ductility seismic resistance for the reinforced concrete piers. As part of the performance-based seismic design framework, this study provides the quantitative design criteria for multilevel performance-based objectives of a combined control system under conditions of frequent earthquake (E1), design earthquake (medium earthquake), and rare earthquake (E2). Moreover, in this study, a preliminary performance-based seismic isolation design for a near-fault actual highway bridge in high-intensity earthquake zones (basic peak of ground acceleration 0.4g) was developed. Using nonlinear time-history analysis of the actual bridge under near-fault ground motions, the feasibility of a performance-based design method was validated. Furthermore, to ensure the predicted performance of the isolated bridges during a strong earthquake, a relatively quantitative design in structural details derived from the stirrup ratio of piers, expansion joints gap, supported length of capping beams, and limited vertical displacement response was obtained.
资助项目	Natural Science Foundation of Liaoning Province[201602066]
WOS研究方向	Acoustics ; Engineering ; Mechanics
语种	英语
出版者	HINDAWI LTD
WOS记录号	WOS:000465339800001
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/32237]
专题	土木工程学院
通讯作者	Li, Xiaoli
作者单位	1.Dalian Maritime Univ, Inst Rd & Bridge Engn, Dalian 116026, Peoples R China 2.Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Li, Xiaoli,Shi, Yan. Seismic Design of Bridges against Near-Fault Ground Motions Using Combined Seismic Isolation and Restraining Systems of LRBs and CDRs[J]. SHOCK AND VIBRATION,2019.
APA	Li, Xiaoli,&Shi, Yan.(2019).Seismic Design of Bridges against Near-Fault Ground Motions Using Combined Seismic Isolation and Restraining Systems of LRBs and CDRs.SHOCK AND VIBRATION.
MLA	Li, Xiaoli,et al."Seismic Design of Bridges against Near-Fault Ground Motions Using Combined Seismic Isolation and Restraining Systems of LRBs and CDRs".SHOCK AND VIBRATION (2019).