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The CT Identification of Tongchuan Purple Soft Sand Rock Under Frozen Effect
zhang quan-sheng 1 ; gao guang-yun 1 ; yang geng-she 2 ; pu yi-bin 3 (1. the department of geotechnical engineering; tongji university; shanghai 200092 p.r.china; 2. architecture and civil engineering; xi an university of science & technology; xi an 710054 p.r.china; 3. state key laboratory of frozen soil engineering; cold and arid environmental research institute cas; lanzhou 730000 p.r.china)
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Study on the Reasonable Construction Method for a Loess Double-arch Highway Tunnel
zhou sheng-guo 1 ; huang lun-hai 2 ; jiang shu-ping 2 ; liu xin-rong 3 (1.department of structure engineering; chongqing jiaotong university; chongqing 400074; china; 2.chongqing highway institute of communications ministry. chongqing 400067; china; 3. college of civil engineering; chongqing university; chongqing 400045; china)
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