..............page:25-27,36
..............page:63-65,73
Application of PDC Bit in Geothermal Well in Tianjin
ma zhong-ping1; du bin1; li zhen-jie1; yang zhong-yan1; pang hai2(1.tianjin geothermal exploration and development designing institute; tianjin 300250; china; 2.tianjin geo-engineering investigation institute; tianjin 300191; china)
..............page:12-14
Application of Diaphragm Wall Technology in Deep Foundation Pit Support
liu yong-jie1; zuo xin-ming2; wang jian-hua3(1.hebei bureau of geology and mineral exploration; shijiazhuang hebei 050081; china; 2.the center of land and recourse exploration; hebei bureau of geology and mineral exploration; shijiazhuang hebei 050081; china; 3.the institute of exploration techniques; cags; langfang hebei 065000; china)
..............page:44-49
..............page:66-69,73
Optimal Design of Part-bonding Pre-stress Uplift Pile
he shi-ming1; guo yue-long2; zhao xiao-dong2; cheng jin-xia1; jia cheng1; yang min1(1.beijing building material geotechnical engineering company; beijing 100102; china; 2.beijing university of technology; beijing 100124; china)
..............page:39-43