3D nonlinear seismic response characteristics for the junction of undersea shield tunnel-shaft

CHEN Guo-xing; LU Yi-jing; WANG Yan-zhen; RUAN Bin

doi:10.11779/CJGE202108002

Volume 43 Issue 8

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Chinese Journal of Geotechnical Engineering > 2021 > 43(8): 1382-1390. > DOI: 10.11779/CJGE202108002

CHEN Guo-xing, LU Yi-jing, WANG Yan-zhen, RUAN Bin. 3D nonlinear seismic response characteristics for the junction of undersea shield tunnel-shaft[J]. Chinese Journal of Geotechnical Engineering, 2021, 43(8): 1382-1390. DOI: 10.11779/CJGE202108002

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3D nonlinear seismic response characteristics for the junction of undersea shield tunnel-shaft

CHEN Guo-xing^{1, 2,},
LU Yi-jing^{1, 2},
WANG Yan-zhen^{1, 2},
RUAN Bin³

1.
Institute of Geotechnical Engineering, Nanjing Tech University, Nanjing 210009, China
2.
Civil Engineering and Earthquake Disaster Prevention Center of Jiangsu Province, Nanjing 210009, China
3.
School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China

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Received Date: January 04, 2021
Available Online: December 02, 2022

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Abstract

Abstract

The junction of the subsea shield tunnel-shaft is prone to damage subjected to strong earthquakes. Taking the subsea shield tunnel crossing under the Shantou Gulf, China as a case study, the three-dimensional seismic response characteristics of the junction of the subsea shield tunnel-shaft are analyzed using the dynamic time-history analysis method (longitudinal axial + transverse + vertical shakings, longitudinal axil + vertical shakings) and the generalized response displacement method (longitudinal axial + transverse + vertical shakings), which considers the nonlinear dynamic behaviors of the seabed soil and concrete, the simulation of the bolt joints between ring segments by using multi-point constraints and connection elements as well as the ground motions produced by scaling from the strong earthquake records. The results show that under all the input bedrock motions with various characteristics, the deformation features between segment rings can be simulated effectively by the multi-point constraints and connection elements, and the opening widths between ring segments at the ring top and outside spandrel are larger. Serious seismic damage and stress concentration exist at the conjugate with direction of 45° of shaft. The seismic responses of the tunnel-shaft junction subjected to the earthquake motions with rich low frequency components are much stronger than those of earthquake motions with rich high ones. The seismic deformation and stress of the tunnel-shaft junction are much greater than those of the ring segments, and the influences of the horizontal shaking along the transverse direction of the tunnel on the seismic responses of the ring segments and the tunnel-shaft junction cannot be ignored. The spatial variation of the seismic responses of the ring segments along the tunnel longitudinal axis and the tunnel-shaft junction calculated by the two methods is consistent, whereas the seismic responses calculated by the generalized response displacement method are much larger than those calculated by the dynamic time-history analysis method.

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References (16)

References

[1]	KAWASHIMA K. Seismic design of underground structures in soft ground: a review[C]//Proceedings of the International Symposium on Tunneling in Difficult Ground Conditions, 1999, Tokyo.
[2]	赵武胜, 何先志, 陈卫忠, 等. 盾构隧道与竖井连接处管片及接头震害分析[J]. 岩石力学与工程学报, 2012, 31(增刊2): 3847-3854. https://www.cnki.com.cn/Article/CJFDTOTAL-YSLX2012S2053.htm ZHAO Wu-sheng, HE Xian-zhi, CHEN Wei-zhong, et al. Analysis of seismic damage of segments and joints at the junction of shield tunnel and shaft[J]. Chinese Journal of Rock Mechanics and Engineering, 2012, 31(S2): 3847-3854. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-YSLX2012S2053.htm
[3]	禹海涛, 张敬华, 袁勇, 等. 盾构隧道-工作井节点振动台试验设计与分析[J]. 中国公路学报, 2017, 30(8): 183-192. doi: 10.3969/j.issn.1001-7372.2017.08.021 YU Hai-tao, ZHANG Jing-hua, YUAN Yong, et al. Design and analysis of shaking table test on shield tunnel-shaft junction[J]. China Journal of Highway and Transport, 2017, 30(8): 183-192. (in Chinese) doi: 10.3969/j.issn.1001-7372.2017.08.021
[4]	谢宏明, 杜彦良, 何川, 等. 强震作用下大断面海底盾构隧道管片环缝防水性能[J]. 中国公路学报, 2017, 30(8): 201-209. doi: 10.3969/j.issn.1001-7372.2017.08.023 XIE Hong-ming, DU Yan-liang, HE Chuan, et al. Waterproof performance of segment joints of large section subsea shield tunnel under strong earthquake[J]. China Journal of Highway and Transport, 2017, 30(8): 201-209. (in Chinese) doi: 10.3969/j.issn.1001-7372.2017.08.023
[5]	DURAN F C, KIYONO J, TSUNEI T, et al. Seismic response analysis of a shield tunnel connected to a vertical shaft[C]//Proceedings of the 15th World Conference on Earthquake Engineering, 2012, Lisboa.
[6]	OKAMOTO S, TAMURA C, KATO K, et al. Behaviors of submerged tunnels during earthquakes[C]//Proceedings of the 5th World Conference on Earthquake Engineering, 1973, Rome.
[7]	王长祥, 梁建文, 李东桥, 等. 基于壳-弹簧模型的组合式预制管廊纵向抗震分析[J]. 自然灾害学报, 2020, 29(3): 1-8. https://www.cnki.com.cn/Article/CJFDTOTAL-ZRZH202003001.htm WANG Chang-xiang, LIANG Jian-wen, LI Dong-qiao, et al. Longitudinal seismic analysis of combined precast utility tunnels by using shell-spring model[J]. Journal of Natural Disasters, 2020, 29(3): 1-8. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-ZRZH202003001.htm
[8]	苗雨, 陈超, 阮滨, 等. 基于广义反应位移法的过江盾构隧道纵向地震反应分析[J]. 北京工业大学学报, 2018, 44(3): 344-350. https://www.cnki.com.cn/Article/CJFDTOTAL-BJGD201803004.htm MIAO Yu, CHEN Chao, RUAN Bin, et al. Crossing-river shield tunnel longitudinal seismic response analysis based on generalized displacement method[J]. Journal of Beijing University of Technology, 2018, 44(3): 344-350. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-BJGD201803004.htm
[9]	CHEN G X, RUAN B, ZHAO K, et al. Nonlinear response characteristics of undersea shield tunnel subjected to strong earthquake motions[J]. Journal of Earthquake Engineering, 2020, 24(3): 351-380 doi: 10.1080/13632469.2018.1453416
[10]	地下结构抗震设计标准：GB/T 51336—2018[S]. 2018. Standard for Seismic Design of Underground Structures: GB/T 51336—2018[S]. 2018. (in Chinese)
[11]	刘晶波, 谷音, 杜义欣. 一致黏弹性人工边界及黏弹性边界单元[J]. 岩土工程学报, 2006, 28(9): 1070-1075. doi: 10.3321/j.issn:1000-4548.2006.09.004 LIU Jing-bo, GU Yin, DU Yi-xin. Consistent viscous-spring artificial boundaries and viscous-spring boundary elements[J]. Chinese Journal of Geotechnical Engineering, 2006, 28(9): 1070-1075. (in Chinese) doi: 10.3321/j.issn:1000-4548.2006.09.004
[12]	赵丁凤, 阮滨, 陈国兴, 等. 基于Davidenkov骨架曲线模型的修正不规则加卸载准则与等效剪应变算法及其验证[J]. 岩土工程学报. 2017, 39(5): 888-895. https://www.cnki.com.cn/Article/CJFDTOTAL-YTGC201705018.htm ZHAO Ding-feng, RUAN Bin, CHEN Guo-xing, et al. Validation of modified irregular loading-unloading rules based on Davidenkov skeleton curve and its equivalent shear strain algorithm implemented in ABAQUS[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(5): 888-895. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-YTGC201705018.htm
[13]	CHEN G X, WANG Y Z, ZHAO D F, et al. A new effective stress method for nonlinear site response analyses[J]. Earthquake Engineering & Structural Dynamics, 2021, 50(6): 1595-1611.
[14]	Dassault Systèmes Simulia Incorporation (DSSI, 2010). Abaqus Analysis User’s Manual Version 6.10. Providence, Rhode Island, USA. Volume Ⅲ: Material.
[15]	张劲, 王庆扬, 胡守营, 等. ABAQUS混凝土损伤塑性模型参数验证[J]. 建筑结构, 2008, 38(8): 127-130. https://www.cnki.com.cn/Article/CJFDTOTAL-JCJG200808041.htm ZHANG Jin, WANG Qing-yang, HU Shou-ying, et al. Parameters verification of concrete damaged plastic model of ABAQUS[J]. Building Structure, 2008, 38(8): 127-130. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-JCJG200808041.htm
[16]	OWEN G N, SCHOLL R E. Earthquake Engineering of Large Underground Structures[R]. Washington D C: Federal Highway Administration and National Science Foundation, 1981.