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Volume 39 Issue z2
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ZHANG Wen-jun, ZHANG Yun-pei, SONG Xiao-long. Numerical study on mechanical behavior of bent bolted connection in shield tunnel under effect of preload[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 203-206. DOI: 10.11779/CJGE2017S2049
Citation: ZHANG Wen-jun, ZHANG Yun-pei, SONG Xiao-long. Numerical study on mechanical behavior of bent bolted connection in shield tunnel under effect of preload[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 203-206. DOI: 10.11779/CJGE2017S2049
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Numerical study on mechanical behavior of bent bolted connection in shield tunnel under effect of preload

  • 1. Key Laboratory of Coast Civil Structure Safety of Ministry of Education, Tianjin University, Tianjin 300354, China;
    2. School of Civil Engineering, Tianjin University, Tianjin 300354, China

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  • Received Date: August 01, 2017
  • Published Date: December 19, 2017
    Graphical Abstract
    • Abstract
  • With the help of ABAQUS FEM software, a numerical study is carried out on the mechanical properties of bent bolted connection in shield tunnel under the effect of preload, which offers theoretical evidence for the design and construction of bolted connection, considering the DP constitutive model fit for concrete as well as the plastic constitutive model fit for steel. The differences between the effect of preload under different load cases are analyzed, and the principle of the preload effect is revealed. The results show that the preload can improve the structural behavior of bent bolted connection, the restraint on the segment increases, and the entire deformation decreases.
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    • References (4)
  • [1]
    王 湛. 软土地层中盾构隧道结构沉降与变形机制分析[D]. 杭州: 浙江大学, 2013. (WANG Zhan. Settlement and failure mechanism of shield tunnel in soft soil area[D]. Hangzhou: Zhejiang University, 2013. (in Chinese))
    [2]
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    [3]
    吴 彪. 深圳地铁7 m盾构管片及螺栓受力现场测试及分析[D]. 北京: 北京交通大学, 2015. (WU Biao. Field test and analysis on a 7 m shield segment and bolt’ mechanics characteristic in Shenzhen metro engineering project[D]. Beijing: Beijing JiaoTong University, 2015. (in Chinese))
    [4]
    方恩权, 杨玲芝, 李晓军, 等. 地铁盾构隧道纵缝接头极限张开量研究[C]// 2014中国青岛城市轨道交通管理和技术创新研讨会论文集. 2014. (FANG En-quan, YANG Ling-zhi LI Xiao-jun, et al. The study of subway shield tunnel longitudinal seam joint limit opening[C]// Seminar papers of Qingdao China urban rail transit conference on management and technology, 2014. (in Chinese))
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