大跨度梁式桥跨中过度下挠原因及预防措施
대과도량식교과중과도하뇨원인급예방조시
Cause of Excessive Deflection in the Middle of Span in Long Span Beam Bridge and the Prevention Method
  • 万方数据
    西部交通科技 서부교통과기
    WESTERN CHINA COMMUNICATION SCIENCE & TECHNOLOGY
    2011年 9期 28-31 ,共4页

    莫利君%张无畏

    막리군%장무외

    大跨度%梁式桥%下挠问题%预防措施 大跨度%樑式橋%下撓問題%預防措施
    대과도%량식교%하뇨문제%예방조시
    Long span%Beam bridge%Deflection problem%Prevention method
    大跨度梁式桥主梁跨中过度下挠现象较为普遍，严重影响桥梁的使用和结构的安全。导致跨中过度下挠的因素复杂，文章对大跨度梁式桥主梁跨中过度下挠成因进行了分析，并针对性地提出了预防措施。
    대과도량식교주량과중과도하뇨현상교위보편，엄중영향교량적사용화결구적안전。도치과중과도하뇨적인소복잡，문장대대과도량식교주량과중과도하뇨성인진행료분석，병침대성지제출료예방조시。
    The excessive deflection in the middle of the span becomes a common problem.It seriously affects the function and structure safety of the bridge.Factors that cause the deflection is very complicated.The article analyzes the causes and proposes prevention method accordingly.
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