Auxiliary positioning device for welding of tunnel steel frame connecting steel plate
MA SHENGGUANG, WANG WEI, JIANG CHANGJING, FANG YIQING, WANG TAO, LI ZEDIAN, HUANG SHURONG, SHI HONGJUN, WANG YIZHENG, XIONG ANZHENG
Year of Publication 16.09.2022
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Year of Publication 16.09.2022
Patent
Tunnel inverted arch steel bar and middle-buried water-stop belt overall positioning device
MA SHENGGUANG, FANG YIQING, LI ZEDIAN, HUANG SHURONG, SHI HONGJUN, CHEN BINBIN, WANG ZILONG, TAN LIJUN, XIAO JIAN, XIONG ANZHENG
Year of Publication 02.08.2022
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Year of Publication 02.08.2022
Patent