摘要
苏通大桥南主塔墩承台钢吊箱长117.35m,宽51.7m,高14.4m,总重量达5800t,是目前世界上体积及重量最大的桥梁钢吊箱,该文阐述了在钢吊箱的拼装、下放及就位三个关键施工环节中,以GPS-RTK卫星定位技术为主要测量手段的钢吊箱施工测控技术。
The steel hanging box of south pylon pile cap of Sutong bridge is 117.35m long, 51.7m wide, 14. 4m high, and weighs 5800t, and it is the biggest and the heaviest bridge steel hanging box in the world currently . The article elaborates the GPS-RTK satellite positioning technique which is the main measuring means for the steel hanging box construction surveying controlling technique during three pivotal construction links the steel hanging box which are assembling, putting down and taking its place.
出处
《勘察科学技术》
2007年第4期45-48,共4页
Site Investigation Science and Technology
