预应力技术在石拱桥加固中的应用
예응력기술재석공교가고중적응용
Application of pre-compression technique for strengthening of masonry arch bridge
  • 万方数据
    水运工程 수운공정
    PORT & WATERWAY ENGINEERING
    2009年 7期 205-207 ,共3页

    杨云安%曾革助%傅家林

    양운안%증혁조%부가림

    石拱桥%加固%预应力技术%桥台 石拱橋%加固%預應力技術%橋檯
    석공교%가고%예응력기술%교태
    masonry arch bridge%strengthen%pre-compression technique%abutment
    介绍采用施加竖向预压力来主动闭合水平裂缝,通过增大砌体水平剪切面之间的水平摩擦力提高桥台的水平抗力,为石拱桥的圬工桥台增大水平抗力加固找出一种有效方法.
    개소채용시가수향예압력래주동폐합수평렬봉,통과증대체체수평전절면지간적수평마찰력제고교태적수평항력,위석공교적오공교태증대수평항력가고조출일충유효방법.
    Vertical pre-compression method is adopted to seal horizontal cracks. By increasing the horizontal friction between masonry shear surfaces, the horizontal shear of the abutment is improved greatly. It's an effective way to enhance horizontal resistance.
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