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Study on Elastic Modulus Ratio of Steel and Concrete under Dead and Live Load for a Composite Bridge
Author(s): 
Pages: 15-17
Year: Issue:  2
Journal: BRIDGE CONSTRUCTION

Keyword:  结合梁恒载活载弹性模量徐变残余变形;
Abstract: 以芜湖长江大桥为例介绍了国内外结合梁恒活载作用下钢与混凝土弹模比的不同取值以及重复荷载作用下混凝土残余变形试验,给出了钢与混凝土弹模比在不同荷载状况下的计算方法,即活载作用下:n0=Es/Ec,恒载作用下:n1=n0(1+φ).
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