摘要
针对桥梁工程中大节段预制箱梁湿接头存在的易开裂难题,研究了纤维对混凝土工作性、强度、抗开裂特性和耐久性能的影响。
Aimed at the easy cracking problem in the wet joint of big section of precast box girder in bridge engineering,this paper studies the influence of fiber on concrete workability,strength,cracking resistance and durability.
关键词
纤维混凝土
湿接头
预制箱梁
抗裂
耐久性
fiber concrete
wet joint
precast box girder
anticrack
durability