中美巴公路桥梁设计规范荷载效应分析比较

Analysis and Comparison of Load Effect between China, America and Pakistan Highway Bridge Design Code

摘要: 本文以巴基斯坦喀喇昆仑公路二期项目高速段简支T梁桥为研究对象，通过对中美巴公路桥梁设计规范关于荷载效应的设计方法、汽车荷载及其分项系数取值、荷载效应组合等方面的比较分析，得到不同规范荷载模式下的荷载组合效应及其相互之间的差异结论，以供中国在巴基斯坦后续项目建设中参考。

Abstract: This paper takes the simply supported T-Beam Bridge in the Karakun Highway Phase-II Project in Pakistan as the object, and analyzes the design method of the load effect, the value of the vehicle load and its sub-coefficient and the combination of load effect of the road and bridge design specification in China, American as well as Pakistan. The load combination effect and the difference conclusion between the different load modes are obtained for reference in China's subsequent project construction in Pakistan.