桥梁设计中减轻自重已成为桥梁发展的主要方向。实践证明,采用正交异性钢桥面钣,可以达到承受设计荷载和减少钢梁自重的要求。正交异性钣是在钣的一侧增加刚性联结,这种刚性联结一般采用与跨度相平行的等间距 Bridge design to reduce self-weight has become the main direction of the development of the bridge. Practice has proved that the use of orthotropic steel bridge deck, can withstand the design load and reduce the weight of the steel beam requirements. Orthotropic sheet metal is in the side of the sheet to increase the rigid connection, this rigid connection generally used with the span of equal spacing