Upper step supporting device for tunnel three-step excavation method
SHI CHUNGUANG, WANG CHUNJING, WANG HAISHE, WANG PING, LI LIANGCE, ZHANG DONG, ZHANG YAJIE
Year of Publication 30.12.2022
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Year of Publication 30.12.2022
Patent
Hydraulic structure for preventing collapse in tunnel
HAN XUAN, WANG HAISHE, LI LIANGCE, JIANG DAHAI, WANG JINXING, ZHANG DONG, ZHANG YAJIE
Year of Publication 30.09.2022
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Year of Publication 30.09.2022
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Anti-collapse equipment for three-step excavation method in tunnel
LIANG QING, WANG HAISHE, LI LIANGCE, JIANG DAHAI, REN YUTING, YIN XIAOLONG, YU JIANGWU
Year of Publication 01.11.2022
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Year of Publication 01.11.2022
Patent