箱梁端部混凝土开裂及防治研究
상량단부혼응토개렬급방치연구
Research on the concrete cracking in the end of box beam and prevention
  • 万方数据
    山西建筑 산서건축
    SHANXI ARCHITECTURE
    2011年 26期 186-187 ,共2页

    乔庆军%钟福平

    교경군%종복평

    箱梁%混凝土%裂缝 箱樑%混凝土%裂縫
    상량%혼응토%렬봉
    box beam%concrete%cracks
    针对双线单室箱梁预制过程中在预初张拉后端部时常出现开裂的现象，对其开裂原因进行了分析，最后提出了预防箱梁端部混凝土开裂的方法，消除了混凝土开裂现象，保证了梁体的外观和质量。
    침대쌍선단실상량예제과정중재예초장랍후단부시상출현개렬적현상，대기개렬원인진행료분석，최후제출료예방상량단부혼응토개렬적방법，소제료혼응토개렬현상，보증료량체적외관화질량。
    In this paper, two-lane single-chamber box early in the pre-process the ministry of tension from time to time cracking the back-end phenomenon, its analysis of the causes cracking, and finally proposes to prevent cracking of concrete box girder end method, eliminated the cracking phenomenon concrete, ensured the appearance and quality of beam body.
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