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Volume 33 Issue zk1
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LIANG Bo, GE Jian-jun. Comprehensive characteristics of L-type retaining wall in permafrost region of Qinghai-Tibet Railway[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 59-64.
Citation: LIANG Bo, GE Jian-jun. Comprehensive characteristics of L-type retaining wall in permafrost region of Qinghai-Tibet Railway[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 59-64.
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Comprehensive characteristics of L-type retaining wall in permafrost region of Qinghai-Tibet Railway

  • 1. School of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China; 2. First Railway Survey & Design Institute, Xi'an 710054, China

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  • Received Date: April 26, 2011
  • Published Date: November 30, 2011
    Abstract
  • Considering the characteristics of frost heaving and thawing of permafrost ， combining with the only supporting structure of L-type retaining wall used in the section from Golmud to Lhasa , Qinghai-Tibet Railway , the ground temperature, earth pressure and frost heaving forces and level deformation are tested. Due to the excavation and construction disturbance, the ground heat balance of the natural state is damaged. All the test indices are affected by cyclic ground temperature. But as an open project engineering structure, as long as there are no new disturbances, this balance is to gradually form a stable state, or to recover. In addition, the earth pressure and frozen-heave force should be revised by the actual deformation.
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    • References (6)
  • [1]
    丁靖康 . 水平冻胀力研究 [C]// 第二届全国冻土学术会议论文集 . 兰州 : 甘肃人民出版社 , 1983: 233 – 239. (DING Jing-kang. Research of horizonal frost-heaving force[C]// Proc of the 2th National Academic Conference on Pernafrost. Lanzhou : Gansu People Press , 1983 : 233 – 239. (in Chinese))
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    铁道第一勘察设计院 , 兰州交通大学 . 厚层地下冰段路桥涵关键技术的研究（北麓河） -L 型挡土墙试验研究阶段报告 [R]. 兰州 , 兰州交通大学 , 2007. (The First Railway Survey and Design Institute , Lanzhou Jiaotong University. Research of key techniques of bridges and culverts crossing thick underground ice regions(Beilu River)-report of experimental research of L-type retaining wall[R]. Lanzhou : Lanzhou Jiaotong University, 2007. (in Chinese))
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    梁 波 , 王家东 , 葛建军 , 等 . 青藏铁路 L 型挡土墙的土压力实测与分析 [J]. 岩土工程学报 , 2004, 26 (5): 627 – 631. (LIANG Bo, WANG Jia-dong, GE Jian-jun, et al. Testing and analysis of earth pressure about L-type retaining wall in Qinghai — Tibet railway[J]. Chinese Jounal of Geotechnical Engineering, 2004, 26 (5): 627 – 631. (in Chinese))
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    GE Jian-jun

    • 1. School of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China; 2. First Railway Survey & Design Institute, Xi'an 710054, China

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