Urban complex environment sensitive area transient thermal expansion stone cracking construction technology von LIU YAO, LIU SHENGHUAN, WANG ZONGYONG, LUO FEI, ZHANG YIFEI, LUO CHANGWEN, SHAO QI, WEI HUAJIE, KANG DAYONG, LI WEIZHOU, LIU BOFENG, CHEN QINGHUAI, YI LINGBING, LV ZHAOLONG, LIU BIANBIAO, ZHENG LIMING

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Horizontal U-shaped steel grating suitable for vertical small-section excavation von LIU WEI, ZHANG ZEFENG, LIU FEIHONG, LUO FEI, YANG CHAOYUAN, WANG SHUSHENG, ZHANG YIYUAN, MENG FANJIE, KANG DAYONG, SUN FENGXUAN, DONG GUIHONG, LI MIAO, LI CHUNCHAO, LIU BIANBIAO

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Arc-shaped excavation trolley for tunnel body excavation construction von ZHANG LIXIN, YUAN YANBIAO, ZHANG PENG, WANG NING, ZHAN WENCHAO, GUAN YONGKANG, ZHANG YI, LIU BIANBIAO

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