Curved Box-Girders with Corrugated Steel Webs under Torsion Loading
It is known that coupled bending and torsional effect is a distinct characteristic of curved girders. According to mechanical characteristics of box girders with corrugated steel webs and theory of box girders, warping normal stress of box girders with corrugated steel webs caused by Torsion Loading is studied. On the basis of second theory of Wu, restrained torsion differential equation of boxgirders with corrugated steel webs is proposed. Corrugated webs are assumed as orthotropic plates. Constraint torsional normal stress and shear stress are deduced using Initial parameters method. The results demonstrate that the method is more accurate compared with conventional ones, and it is connected with existing bridge calculation theory. The method is then a practical one in this respect.
Torsion Differential Equation Second Theory of Wu Corrugated Steel Webs Box-Girders Torsion
Bingwen Yang Jiandong Zhang Shui Wan
School of Transportation, Southeast University, Nanjing 210096 Jiangsu Transportation Research Institute, Nanjing 210017
国际会议
上海
英文
837-843
2011-10-21（万方平台首次上网日期，不代表论文的发表时间）