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基于特征裂缝宽度的混凝土构件的可靠性
Reliability of Unbonded Partially Prestressed Concrete Members Ba sed upon Characteristic Crack Width
【摘要】 根据结构可靠性的基本理论和无粘结部分预应力混凝土构件设计方法 ,分析了基于“特征裂缝宽度”的正常使用极限状态下的可靠性 .计算结果说明 ,无粘结部分混凝土构件的正常使用极限状态下的可靠性提高 ,设计规范的“特征裂缝宽度”计算公式有较高的可靠保证 .
【Abstract】 According to the basic theory of structural reliabi li ty and member design method of unbonded partially prestressed concrete member, b ased upon characteristic crack width, the reliability of unbonded partially pres tressed concrete members is analyzed for serviceability limit state. The results are shown that reliability level of the members are sufficient, the guaranteed reliability is higher using the calculating formulas of characteristic crack wid th of current design codes.
【关键词】 无粘结部分预应力混凝土;
正常使用极限状态;
特征裂缝宽度;
可靠性;
【Key words】 unbonded partially prestressed concrete; serviceabilit y limit state; characterisitic crack width; reliability;
【Key words】 unbonded partially prestressed concrete; serviceabilit y limit state; characterisitic crack width; reliability;
- 【文献出处】 华东交通大学学报 ,Journal of East China Jiaotong University , 编辑部邮箱 ,2003年01期
- 【分类号】TU378
- 【被引频次】5
- 【下载频次】94