【摘要】 对无梁板桥进行了结构优化，由优化结果可获得正史无梁板桥主要尺寸的选择规律及推荐方案，为这种新型桥梁设计时各部分尺寸的选择提供了有价值的参考。更多还原

【Abstract】 This paper studies structural optimization for pilz bridge. Through optimization,the rule which elect section size and recommeding plan can be obtained to provide a valuable reference for desiging this new type of bridge.更多还原