JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (5): 102-107.

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Research on advanced prediction and surrounding rock stability of shallow buried and unsymmetrical loaded section in tunnel excavation

Lü Guo-ren1, ZHANG Shou-long2   

  1. 1. Shandong Provincial Key Laboratory of Road and Traffic Engineering in Colleges and Universities, Shandong Jianzhu University, Jinan 250101, China; 2. Shandong Construction Machinery Co. Ltd, Jinan 250121, China
  • Received:2012-04-16 Online:2012-10-20 Published:2012-04-16

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Abstract: In order to study the surrounding rock stability of shallow buried and unsymmetrical loaded section, the geological radar was used to perform advanced geology forecast by taking the construction of Xiejiahe Tunnel of Yanhai Highway as an example. Based on the forecast results, the construction program was optimized and the leading ductule injecting was adopted. The site monitoring was also employed and the results demonstrated that the data were stable and the construction program was feasible. The shallow buried and unsymmetrical section of the Xiejiahe tunnel was stable enough to assure tunnel construction going on smoothly. Furthermore, it could provide reference for similar engineerings.

Key words: tunnel, shallow buried unsymmetrical, surrounding rock stability, advanced prediction

CLC Number: 

  • U451.2
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