Challenges in Construction of Underwater Tunnels and Countermeasures
QIAN Qihu;College of National Defense Engineering;PLA University of Science and Technology;State Key Laboratory of Disaster Prevention & Mitigation of Explosion & Impact;PLA University of Science and Technology;

..............page:503-507

Behavior of Combined Support Structure Consisting of “Large-diameter High-pressure Jet Grouting Piles + Double-row Borehole Cast Piles”
HUANG Jun;CHEN Fangwei;ZHAO Guang;XING Dongdong;XIAO Junhua;Jiangsu Transportation Institute;CCCC Investment Co.;Ltd.;CCCC Highway Consultants Co.;Ltd.;College of Transportation Science & Engineering;Nanjing Tech University;

..............page:508-512

Case Study on Engineering Geological Conditions and Problems in Construction of Headrace Tunnel of CCS Hydropower Station in Ecuador by TBM Method
YANG Jihua;QI Sanhong;GUO Weixin;YANG Fengwei;LOU Guochuan;Yellow River Engineering Consulting Co.;Ltd.;

..............page:513-518

ni shui + tu ya shuang mo shi dun gou ying yong yu guang zhou di tie 9 hao xian

..............page:518

Deformation of Uplift Piles and Its Influence on Calculation of Metro Station Structures
ZHANG Yueming;Guangzhou Metro Design & Research Institute Co. Ltd.;

..............page:519-524

Analysis on Construction Safety of Optimized Double Side Drift Method
GUO Jie;Shenzhen Research and Design Institute of CARS;

..............page:525-533

Case Study on Design of Commercial Space above Ancillary Routes of Guangzhou Metro
LUO Liang;Guangzhou Metro Design & Research Institute Co.;Ltd.;

..............page:534-538

guang zhou 2020 nian qian jiang xin jian duo tiao shen sui yong yu zhi shui

..............page:538

Study on Key Technologies for Geological Route Selection of Long Tunnels Crossing Spring Protection Zone and Goaf
ZHOU Lu;China Railway Tunnel Survey & Design Institute Co.;Ltd.;

..............page:539-545

Technologies to Control Serious Deformation of Soft Rocks with High Ground Stress: Case Study on Liangshui Tunnel on Lanzhou-Chongqing Railway
ZHAO Fushan;China Railway 16th Bureau Group Co.;Ltd.;

..............page:546-553

Problems and Countermeasures in Tunneling by Open TBM in Chongqing Rail Transit Works
ZHANG Zhiyong;GUAN Zhipeng;CHEN Xiaoping;LIU Yongsheng;Chongqing Rail Transit Group Co.;Ltd.;Chongqing Municipal Commission of Urban-Rural Development;

..............page:554-557

Case Study on Blasting and Control Technologies for High Road Channel in Ningguo-Jixi Section on Yangzhou-Jixi Expressway Adjacent to Existing Railway Line
DONG Lei;TANG Daoyi;Anhui Expressway Holding Group Co.;Ltd.;

..............page:558-563

Case Study on Parallel Cut in Vibration-reducing Blasting of Hard Rock Tunnel in Urban Area
WANG Juntao;WANG Hailiang;YANG Qing;The 2nd Engineering Co.;Ltd. of China Railway Tunnel Group;State Key Laboratory Breeding Base for Mining Disaster Prevention and Control;Shandong University of Science and Technology;

..............page:564-568

Measures to Ensure Rapid Boring of Open TBM Based on “4M +1E”Factors
XU Zan;XIE Peicai;The 2nd Engineering Co.;Ltd. of China Railway Tunnel Group;Control Department of Luoyang Municipal Drainage Pumping Station;

..............page:569-575

Design and Application of a New Rear Propulsion System for Large Cross-Section Rectangular Tunnel Boring Machine
SHEN Peijian;Shanghai Mechanized Construction Group Co.;Ltd.;

..............page:576-581

Design and Type Selection of Shields Adaptable to Heterogeneous Ground in Shenzhen,China
TAN Shunhui;China Railway Engineering Equipment Group Co.;Ltd.;

..............page:582-587

An Optimized Design of Layout of Thrust Cylinders Fitting for Two Types of Segment Ring Divisions
XIAO Junxiang;YUAN Wenzheng;China Railway Engineering Equipment Co.;Ltd.;

..............page:588-591

gao tie da qi : ou ya zhong ya fan ya zhong e jia mei

..............page:591

Design of and Study on Advance Timbering of ф6.22 m Open Shield
CUI Lishan;WANG Jianhui;YANG Haitao;Company of Tunneling Shield Manufacturing;Beijing;SANY Heavy Machinery Co.;Ltd.;

..............page:592-597

Design of Electrical Control System of Diesel Locomotive Based on TTC60 Controller
WANG Shuangwang;SUN Zhihong;Design and Research Institute;China Railway Engineering Equipment Group Co.;Ltd.;

..............page:598-602