3D Finite Element Emulation Analysis On Luohe Huge Bridge Construction

High piers can often be observed where high-class roads in heavy mountainous cross deep gorges or in case of the approach for extro-large bridge. Especially, since requirements for highway horizontal and vertical curves become more and more strict, the design for high pier is by no means avoided at some places with special topography.Pre-stressed concrete continuous beam and continuous concrete rigid frame bridge , constructed through balanced cantilever, are the widest used in recent bridges. It can be drew from the investigation and analysis that the frequency of case while in construction is higher than while in usation. So, The emulation analysis of construction of bridges seems very important. With the Luohe huge Bridge as the engineering background , combining with the stress in construction surveillance and control, the stress distribution in construction of the combining structure of pre-stressed concrete continuous beam and continuous concrete rigid frame bridge is studied in this paper. Since the double box and double room structure of upper structure , the double thin-wall hollow pier of under structure large span, high piers complex structure type miscellaneous pre-stress reinforcing bar and large amount of the pre-stress reinforcing bar, three-dimensional model of entity and ANSYS precessing of the method of entity and reinforcing bar which is on the basis of finite element are adopted in this paper for accrue . By analyze the stress in box girder andpiers of the bridge while construction and combine the project of constructional control, the stress of the key section and the stress distribution of the structure are studied in time, which guarantee the safety of the structure while construction and offer a reference for the construction surveillance and control.The paper provided theoretical basis for the construction of Luohe Bridge and reference for the following construction surveillance and control and initial data for the future usage and maintenance the bridge. Moreover, It accumulated some scientific research experience in the paper.