Comparing the results of one irregular box beam obtained by the gridiron method to that by FEM, the characteristics of the application scope, merits and drawbacks of the gridiron method are convinced.

• 对上德立交桥中的一联异形箱梁通过不同的方法以及试验进行分析和计算，详细地说明了异形箱梁设计中常常使用的梁格法的适用情况和实际的效果。