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Surrounding Rock’s Deformation Property & Stability Study of Typical Highway Tunnel

Author: WangXinPing
Tutor: XuLinSheng;ChengChongGuo
School: Chongqing Jiaotong University
Course: Structural Engineering
Keywords: Highway tunnel Surrounding rock deformation Stability of surrounding rock Bolt axial force Composite lining Numerical Analysis
CLC: U451.2
Type: Master's thesis
Year: 2004
Downloads: 320
Quote: 7
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Abstract


In recent years, with the rapid development of China 's expressways and high-grade highways , the construction of highway tunnel in China has entered a new period of development , the challenges and requirements of the higher of the highway tunnel , in particular, grew up in the tunnel construction technology . This paper, relying mainly Kun Yang Zong Shi Expressway tunnel , small group Cairn Tunnel large section of three-lane highway tunnel , the first summary of the characteristics of the surrounding rock deformation of surrounding rock deformation prediction comprehensive research and feedback analysis ; followed by a summary of the bolt force type , analyze the stress mechanism and optimize support parameters ; certain again by the stress state of the composite support lining structure analysis , the proportion of the load distribution of composite support structure explore the proposed optimization design . Then, the combination of the two -lane highway tunnel monitoring of Tongyu Tunnel , the Loushanguan tunnel and the East Gate off Tunnel , their surrounding rock deformation characteristics and stability analysis , which import bias of the shallow section of Tongyu Tunnel composite the supporting structure and the stress state and the East Gate off tunnel construction method optimized plane numerical simulation of a more specific analysis . Ultimately, through the analysis of the summary of the large cross section of three-lane highway tunnel with a typical two -lane road tunnel , draw the conclusions and recommendations of the issues related to the study .

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CLC: > Transportation > Road transport > Tunnel project > Tunnel structure theory > Theory of tunnel surrounding rock
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