预应力混凝土连续箱梁桥腹板斜裂缝产生原因及防治措施研究  

Research on Reasons for Diagonal Crack of Web Plate of Prestressed Concrete Continuous Box Beam Bridge and Measures for Prevention-Treatment

作　　者：梁柱义 

机构地区：[1]辽宁省阜新公路学校,阜新123000

出　　处：《北方交通》2008年第5期173-175,共3页Northern Communications

摘　　要：研究了大跨径变截面预应力混凝土连续箱梁桥在边跨现浇段和支座附近的斜裂缝问题,提出了防治腹板斜裂缝的设计建议和构造措施,供同类桥梁设计作为参考。The paper studies diagonal crack issues at segment cast in situ on side span and in the neighborhood of pedestal on non - uniform prestressed concrete continuous box beam bridge with long span, makes suggestions on design for prevention - treatment of diagonal crack of web plate and proposes measures for construction reforming, which would provide reference for design of similar bridge.

关 键 词：连续箱梁 腹板斜裂缝 构造措施 

分 类 号：U445.71[建筑科学—桥梁与隧道工程]