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体外预应力箱梁桥转向块配筋设计分析 被引量:10

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摘要 文章对重庆某体外预应力箱梁桥转向块利用拉压杆模型法进行配筋设计。根据体外预应力箱梁桥转向块的主应力矢量图和主应力云图确定转向块设计的B区和D区,然后运用"弹性应力法"和"拓扑优化法"相结合的方法建立了转向块D区设计的拉压杆模型。再由平衡条件算出拉杆和压杆内力,根据美国ACI-318-05结构设计规范的有关设计公式、规定进行转向块D区的配筋设计和压杆承载力检验。最后,给出了体外预应力箱梁桥转向块相应的配筋设计建议。
出处 《中外公路》 北大核心 2008年第6期122-126,共5页 Journal of China & Foreign Highway
基金 交通部西部交通建设科技项目(编号:200431882214) 广西建筑工程检测与实验重点实验室开放基金(编号:桂科能07109005-12)
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参考文献9

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