Steel pipe framed bent trolley for secondary lining of tunnel widening section

• Main Authors: JIANG DAIBING, ZHAO SILI, ZHANG DONGYUN, XIAO XIAOWEI, LIU XIANCHENG, DU BAORONG, GAO WENJU, HAN WEIGANG, YANG KUN, WANG LIANG, MA WEI, LIU SHIYU
• Format: Patent
• Language: Chinese; English
• Published: 16.08.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

The utility model relates to a steel pipe framed bent trolley for secondary lining of a tunnel widening section, and belongs to the technical field of expressway tunnel construction. Comprising a trolley, limiting steel bars, vertical pipes, transverse pipes, diagonal bracings, a portal, a formwork,...