[1]崔光耀,石文昊,王明胜.强震区跨导热断层隧道不同断层温度对结构安全性的影响[J].高速铁路技术,2022,13(04):55-58,98.[doi:10.12098/j.issn.1674-8247.2022.04.009]
　CUI Guangyao,SHI Wenhao,WANG Mingsheng.Impact of Different Fault Temperatures on Structural Safety of Tunnel Crossing Thermal Conductive Faults in Meizoseismal Areas[J].HIGH SPEED RAILWAY TECHNOLOGY,2022,13(04):55-58,98.[doi:10.12098/j.issn.1674-8247.2022.04.009]
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强震区跨导热断层隧道不同断层温度对结构安全性的影响()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
13卷
期数:
2022年04期
页码:
55-58,98
栏目:
出版日期:
2022-08-28

文章信息/Info

Title:
Impact of Different Fault Temperatures on Structural Safety of Tunnel Crossing Thermal Conductive Faults in Meizoseismal Areas
文章编号:
1674—8247(2022)04—0055-04
作者:
崔光耀;  石文昊;  王明胜
1. 北方工业大学, 北京 100144;
2. 中铁城市发展投资集团有限公司, 成都 610000
Author(s):
CUI Guangyao;  SHI Wenhao;  WANG Mingsheng
1. North China University of Technology, Beijing 100144 China;
2. China Railway City Development and Investment Group Co., Ltd., Chengdu 610000 China
关键词:
隧道工程|跨导热断层|强震区|断层温度
Keywords:
tunnel engineering|thermal conductive fault crossing|meizoseismal areas|fault temperature
分类号:
U25
DOI:
10.12098/j.issn.1674-8247.2022.04.009
文献标志码:
A
摘要:
为提升强震区跨导热断层隧道的安全性,本文利用有限差分软件Flac3D对强震区跨导热断层不同断层温度对隧道结构安全性的影响进行了分析。结果表明:(1)断层温度为30 ℃时,隧道最大主应力最大值和最小主应力最大值分别为55.61 MPa与-55.29 MPa,拱顶处x、y、z方向的位移分别为57.30 mm、38.58 mm与88.34 mm;(2)随着断层温度逐级升高至110 ℃,最大、最小主应力受其影响分别增加了1.60%~9.39%与2.28%~10.54%,拱顶x、y、z方向的位移也随之增加,但增加幅度较不明显。研究结果可为强震区跨导热断层的工程设计提供参考。
Abstract:
In order to improve the safety of tunnel crossing thermal conductive faults in strong earthquake regions, the finite difference software Flac3D is used in this paper to analyze the impact of different fault temperatures across thermal conductive faults in meizoseismal areas on the safety of tunnel structures. The results show that: (1) When the fault temperature is 30 ℃, the maximum and minimum principal stresses of the tunnel are 55.61 MPa and -55.29 MPa respectively, and the displacements in x, y, and z directions at the crown are 57.30 mm, 38.58 mm, and 88.34 mm respectively. (2) As the fault temperature rises to 110 ℃, the maximum and minimum principal stresses increase by 1.60%~9.39% and 2.28%~10.54% respectively, and the displacement of the crown in x, y, and z directions also increases, but the increase is not obvious. The results can provide a reference for the engineering design of thermal conductive fault crossing in meizoseismal areas.

备注/Memo

备注/Memo:
作者简介：崔光耀(1983-),男,博士,教授。基金项目：国家自然科学基金项目(52178378)引文格式：崔光耀,石文昊,王明胜.强震区跨导热断层隧道不同断层温度对结构安全性的影响[J].高速铁路技术,2022,13(4):55-58+98.CUI Guangyao, SHI Wenhao, WANG Mingsheng.Impact of Different Fault Temperatures on Structural Safety of Tunnel Crossing Thermal Conductive Faults in Meizoseismal Areas[J]. High Speed Railway Technology, 2022, 13(4):55-58+98.
更新日期/Last Update: 2022-08-28