Abstract：Combined w ith a co nst ructio n ex ample o f Gulou underg ro und engineering in Nanjing , the paper describes the tunnel engineering early protectio n a nd i ts index es o n specia l conditions- such as shake-fo rce, super-shallow-underg ro und, g reat-span, fill-wa ter and sof trock, for economic and practical purpose.
杨少宏. 特殊条件下初期支护体系的研究应用[J]. 铁道工程学报, 1997, 14(4): 60-64.
Yang Shaohong. RESEARCH AND APPLICATIONSOF EARLY PROTECTION SYSTEM ON SPECIAL CONDITIONS. Journal of Railway Engineering Society, 1997, 14(4): 60-64.
1997, Vol. 14 
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