【摘要】 本文从最近国内多座桥梁倾覆破坏的事例出发,指出了目前在桥梁设计中的不足之处,并分析了桥梁结构破坏机理上的原因。同时运用桥梁倾覆安全风险评估的方法,提出了设计中应该采取的防止倾覆的安全措施。文中指明了目前桥梁发生倾覆破坏,并非偶然事件,还存在一定等级的风险因素。更多还原

【Abstract】 According with several overturn accidents happened recently,the deficiencies in current bridge design and the reasons related with the structure failure have been pointed out in this paper.Finally overturn risk assessment is used and preventive measures in bridge design procedure are also proposed in this paper. It’s shown that bridge overturning is not accidental and also exist risk factor in a certain level.更多还原