Application of Stress Free State Method in the Design and Construction of Semi through Continuous Steel Truss Bridges
The main bridge of Yandu Road Bridge in Yancheng City is a super wide semi through continuous steel truss structure with complex stress and numerous components.The bridge was designed and constructed using the stress free state method,and after completion,it achieved internal forces and alignment consistent with the design objectives.This study first introduced the overview of bridges and the stress free state method.Based on this,the stress free configuration of bridges was determined.Finally,a bridge construction method was proposed,which can provide reference for subsequent research.
stress free state methodhalf through steel trussbridge designbridge construction
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