Product introduction
Lower chord joint: When using the cantilever push-out method to build a bridge, install the lower chord joint at the lower chord joint of the guide beam (nose frame) truss, so that the front end of the guide beam is tilted to offset the deflection of the guide beam and the height difference between the two banks to make the guide beam smooth Catch a rock on the opposite shore. A lower chord joint can make each section of the truss upturn about 40 cm.
ZhenJiang Great Wall Heavy Industry Technology Co.ltd (here and after called Great Wall ) is locacted at Zhenjiang city, South of Yangtze River, belonging to Yangtze River Delta economic zone, owning railway station of Shanghai-Nanjing and Shanghai-Beijing High-speed raillways; 30 kilometers away from Zhenjiang seaport, 50 kilometers away from Changzhou airport, 70 kilometers away from Nanjing airport,and YangzhouTaizhou airport; Great Wall has passed ISO Quality Management System Certificate; its WPS and welders have passed BV certification; the raw material and finished products are accepted by International Third Testing Institute such as SGS,CCIC,CNAS etc; In addition,Great Wall has several independent R & D patents.
321-Type（British Compact-100） prefabricated highway steel bridge and 200-Type prefabricated highway steel bridge ( Bailey bridge) are main products of Great Wall, which has a full set of components production line for complete bailey bridge set. More than this, Great Wall has developed a kind of large span prefabricated D-Type bridge whose single span can be up to 91 meters, and has completed the load test already and engineering application of the whole bridge.
