Model test study on arbitrary euadrilateral slab briolges . ( 2 ) analysis of curued and skew slab bridge . ( 3 ) stetic and dynamic analyzis of curued box girder bridge . ( 4 ) application of cad technic in the design of unregular plate bridges . ( 5 ) analgsis of unregular plate bridge 变厚度异型板桥的模型试验；斜弯复合型板桥的分析；弯箱梁桥的静、动力分析； cad技术在导型板桥设计中的应用；不规则桥梁的力学分析。
