我国配筋混凝土梁式桥梁的回顾与思考 鲍卫刚，周泳涛(中交桥梁技术有限公司　北京 ]00029l
摘要:在对我国钢筋混凝土及预应力混凝土梁式桥梁的发展回顾的基础上，分析布在的主变病害，提出相应的对策措施，并对今后混凝土梁式桥梁的发展提出几点建议
关键词:混凝土梁桥;裂缝;回顾　对策
1概述
混凝土桥梁.特别是梁式桥一直是我国已建成桥梁的主流结构形式......

oped in recent twenty years. The main advantages of the cable~stayed truss bridge are lighter self-weight. stronger rigidity , clearer force~passing approach and higher material utilization. At preesnt , most of the domestic construction of cable-stayed truss bridge used erection by precast cantilever ,cast-irγplace cantilever
method not used in the past. On the basis of the study of Xiaoxita Bridge in Nichang City , the cast-inplace
cantilever construction technologies and key technics for this type of bridge are introduced and construction
method are discussed in detail.
Key words: cable-stayed truss bridge; cast-in-place cantilever; construction technology
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