Fujiang Bridge Cantilever Construction Technology Research

With the enhancement of the performance of pre-stressed concrete and improvement of related design theories, PC structures are more and more widely used in civil engineering in China. Hence the study of the construction techniques of PC structure is great significance to the development of pre-stress technology.Based on the construction of the FuJiang Bridge, a systematic study of the construction technology of continuous rigid structures was studied. The general information of the Bridge construction project was first introduces and then a elaborate construction plan was presented. A light rhombus casting cradle was designed and used which was capable of transverse moving and self-anchoring. After the bridge structure parameter identification, as amended, finite element simulation software was used to research the state of the bridge construction stage. The deflection in the cantilever construction stages were analyied. The bridge construction camber value for the next section was forecasted, based on the data of the bridge. By compareing between the results contrast and the measured values, the control toallance was basically accord to the required control precision.With such careful study and elaborate implementation. advanced technology. reasonable cost and convenient operation were realized in the construction of this project, which provides some useful reference for similar engineering projects.