钢桥面浇注式沥青混凝土配合比设计研究——以福鼎八尺门大桥为例

Research on the Design of Guss Asphalt Used for Steel Deck Pavement——Take the Fuding Bachimen Bridge for Example

浇注式沥青混凝土以其良好的随从变形能力、抗老化能力和密实防水等特点,在大跨度钢桥面铺装中得到了广泛应用。基此,以浇注式沥青混凝土高温性能和施工和易性为主要控制,通过刘埃尔试验和贯入度试验,初步确定浇注式沥青混合料配合比设计;采用低温弯曲试验,检验浇注式沥青混合料低温性能;最终提出适用于福鼎八尺门大桥钢桥面铺装的浇注式沥青混合料配合比设计方案。

Guss asphalt is widely applied in steel deck plate pavement because of its good deformation coordination,age resistance and good waterproof.The research take high temperature stability and workability as the major control factors.The design of guss asphalt is preliminary decided by lueer test and indentation test.In addition,low temperature performance of guss asphalt is evaluated by low temperature bending test.Finally,design of guss asphalt for Fuding bachimen bridge steal deck pavement was put forward.