IMHE OpenIR  > 山地灾害与地表过程重点实验室
Shaking table tests of tunnel linings in progressive states of damage
Wang, Z. Z.1; Jiang, Y. -J.2; Zhu, C. A.3; Sun, T. C.4
Corresponding AuthorJiang, YJ
AbstractTunnels have long been assumed to be able to withstand earthquakes and suffer little damage. However, investigations of tunnels after the Wenchuan earthquake in China revealed that over 30 tunnel linings were cracked. Different types of cracks were found in almost all the tunnel linings. In this study, a series of shaking table tests were conducted on scaled tunnel models under seismic excitations with increasing intensities. White noise sweep tests were interlaced with the seismic excitations to identify the damage in the tunnel linings. The accelerations and strains of the tunnel lining were measured. The test results are discussed based on the dominant frequencies, amplification factor, and lining strains. Furthermore, this paper presents the results of damage identification for various states of damage using the white noise sweep method. The dominant frequencies decreased with an increase of the input peak ground acceleration (PGA), which also reflected the damage of the tunnel lining. The dominant frequencies decreased by approximately 32% for an input PGA intensity of approximately 0.6 g, but the first cracks could still be visually detected. The cracks gradually propagate with the PGA increasing from 0.6 to 0.8 g. The effect of lining damage on the seismic performance of tunnel linings should be considered in the seismic design of tunnels. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordTunnel Lining Shaking Table Test Damage Identification Crack
WOS HeadingsScience & Technology ; Technology
WOS Subject ExtendedConstruction & Building Technology ; Engineering
Indexed BySCI
WOS SubjectConstruction & Building Technology ; Engineering, Civil
WOS IDWOS:000365366200011
Funding OrganizationNational Natural Science Foundation of China(51108056)
Citation statistics
Cited Times:38[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Dalian Univ Technol, Sch Civil Engn, Dalian, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Peoples R China
3.Sichuan Prov Transportat Dept, Design & Res Inst, Chengdu, Peoples R China
4.Shijiazhuang Tiedao Univ, Sch Civil Engn, Shijiazhuang, Peoples R China
Recommended Citation
GB/T 7714
Wang, Z. Z.,Jiang, Y. -J.,Zhu, C. A.,et al. Shaking table tests of tunnel linings in progressive states of damage[J]. TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY,2015,50:109-117.
APA Wang, Z. Z.,Jiang, Y. -J.,Zhu, C. A.,&Sun, T. C..(2015).Shaking table tests of tunnel linings in progressive states of damage.TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY,50,109-117.
MLA Wang, Z. Z.,et al."Shaking table tests of tunnel linings in progressive states of damage".TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY 50(2015):109-117.
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