Study On The Substructure Of Emergency Bridges Transferring Into Permanent Bridges

This dissertation focuses mainly on the design and construction technology of transformation of emergency temporary substructure into permanent structure,based on the program of study on the assemble technology of fast transformation of emergency temporary substructure into permanent structure,hosted by Chongqing Jiaotong University and Chongqing Road Bureau,and is directed by Professor Zhou Zhixiang and Zheng Zhiming.To make sure that the relief supplies can be sent to the disaster areas timely,a new emergency bridge pier is urgently demanded for fast bridge assemble and traffic resumption in time of disaster.At the same time,a convenient and fast assembly technology is also needed to transform emergency temporary bridge piers into permanent structures with little effect on traffic.This dissertation presents the assemble technology of fast transformation of emergency temporary bridge pies into permanent pies,and three schemes on long term utility of emergency temporary bridge pies,for example the military pies,concrete pies filled steel tube,are presented.Application condition of the three different types of piers are also discussed based on study on constructional detail,design methods and construction schemes.