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Model test for dynamic construction mechanical effect of large-span loess tunnel
  • ISSN号:1007-1172
  • 期刊名称:Journal of Shanghai Jiaotong University (Science)
  • 时间:2011
  • 页码:112-117
  • 分类:U451.2[建筑科学—桥梁与隧道工程;交通运输工程—道路与铁道工程] TU758.11[建筑科学—建筑技术科学]
  • 作者机构:[1]School of Civil Engineering, Shiiazhuang Tiedao University, ShO'iazhuang 050043, China, [2]Department of Civil and Environmental Engineering, Colorado School o/Mines, Golden, CO 8o4o1, America, [3]School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
  • 相关基金:sponsored by projects (Grant Nos. 50978172, 51078318) of the National Natural Science Foundation of China;Project (Grant No. 10-0667) supposed by the New Century Excellent Talents in University
  • 相关项目:高地应力富水区山岭隧道支护力学特性及分区防排水体系研究
中文摘要:

在中国的 Shijiazhuang 太原高速度的旅客铁路线上的 Nanliang 高速度铁路隧道的节是 instrumented 并且为它的机械性质和表演学习了。为隧道的生气的节是 300 m2 并且在中国为铁路隧道作为最大的生气的节被分类。直在 situ 试验性的研究,隧道的机械学的性质被识别包括包围岩石压力,沿着隧道周界和主要支持和衬里的安全的集中组织。把测量数据基于这个领域,对在硬岩石中的大跨度的深隧道的包围岩石压力要求在垂直方向被推荐为两倍山峰类型,褶层线类型为水平压力被推荐。结果建议那个 Promojiyfakonovs 理论离监视价值很靠近。特定的建议也在隧道结构为螺栓的使用被产生。数字模拟被用来评估隧道的安全,它证实当前的设计能满足当前的代码的要求。

英文摘要:

A section of the Nanliang high speed railway tunnel on Shijiazhuang-Taiyuan high-speed passenger railway line in China was instrumented and studied for its mechanical properties and performances. The cross section for the tunnel was 300 m2 and is classified as the largest cross section for railway tunnels in China. Through in situ experimental studies, mechanistic properties of the tunnel were identified, including the surrounding rock pressure, convergences along tunnel perimeter and safety of primary support and lining structure. Based on the field measured data, the surrounding rock pressure demand for large-span deep tunnel in hard rock is recommended as double peak type in the vertical direction and fold line type was recommended for horizontal pressure. The results suggested that Promojiyfakonov's theory was most close to the monitored value. Specific recommendations were also generated for the use of bolts in tunnel structures. Numerical simulation was used to evaluate the safety of the tunnel and it confirmed that the current design can satisfy the requirement of the current code.

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期刊信息
  • 《上海交通大学学报:英文版》
  • 主管单位:国家教育部
  • 主办单位:上海交通大学
  • 主编:郑杭
  • 地址:上海市华山路1954号
  • 邮编:200030
  • 邮箱:xuebao3373@stju.edu.cn
  • 电话:021-62933373 62932534
  • 国际标准刊号:ISSN:1007-1172
  • 国内统一刊号:ISSN:31-1943/U
  • 邮发代号:4-635
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  • 被引量:420