Chang qing sha Bridge locates in Rugao city shugang road and crosses the Yangtze River. There is a 8m span old bridge which need to be removed on the right half of the location of the bridge. To ensure the construction process does not interrupt the traffic of Chang qing sha Island, The bridge is considered to be implemented in two phases:first phase to constructe the east half bridge without removing the old bridge; second phase to dismantle the old bridge and implement the west half bridge. The fu...