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预应力混凝土连续梁施工后残余徐变设计措施
Residual creep design measures after prestressed concrete continuous beam construction
【摘要】 通过分析预应力混凝土连续梁施工后的残余徐变的主要影响因素,从预测应力布置及梁体上下缘恒载,二期恒载施工时间,不同梁段施工周期,工后残余徐变预留调整4个方面提出了设计措施,并得出一些有现实指导意义的结论。
【Abstract】 Through analyzing main factors influencing residual creep after prestressed concrete continuous beam construction,it proposes design measures from aspects of prestressed layout and beam up and down eternal loading,second-phase eternal loading construction duration,different beam section construction duration,and after-construction residual reservation adjustment,and obtains some modern guiding conclusions.
【关键词】 预应力混凝土;
连续梁;
残余徐变;
设计措施;
【Key words】 prestressed concrete; continuous beam; residual creep; design measures;
【Key words】 prestressed concrete; continuous beam; residual creep; design measures;
- 【文献出处】 山西建筑 ,Shanxi Architecture , 编辑部邮箱 ,2011年30期
- 【分类号】U448.35
- 【下载频次】16