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首页> 外文会议>International Conference on Civil Engineering and Transportation >Reliability Analysis of Pre-stressed Concrete Continuous Girder Bridges using Cantilever Construction on Different Codes
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Reliability Analysis of Pre-stressed Concrete Continuous Girder Bridges using Cantilever Construction on Different Codes

机译：不同码悬臂施工的预应力混凝土连续梁桥的可靠性分析

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摘要

The object of this paper analyzes the reliability level of pre-stressed concrete continuous girder bridges designed with the Chinese codes including the code for design of highway reinforced concrete and pre-stressed concrete bridges and culverts of JTG D62-2004 and JTJ 023-85 using cantilever construction method. Typical cross-sections used in the example bridge are considered at service stage. Load and resistance parameters are treated as random variables. The statistical parameters are based on the available literature, test data and survey results. Reliability indices are calculated by iterations using the first-order second-moment method. The calculated results indicate that the reliability indices on the code of D62-2004 vary considerably to the code of JTJ 023-85. And it could provide the references for the reinforcement of old bridges and the design of new bridges using the cantilever construction.
机译：本文的目的分析了使用中文代码设计的预应力混凝土连续梁桥的可靠性水平，包括使用的高速公路钢筋混凝土和预应力混凝土桥梁和JTG D62-2004和JTJ 023-85涵洞设计的规范悬臂施工方法。在服务阶段考虑示例桥中使用的典型横截面。负载和电阻参数被视为随机变量。统计参数基于可用文献，测试数据和调查结果。使用一阶二阶方法的迭代计算可靠性指数。计算结果表明，D62-2004代码上的可靠性指数随着JTJ 023-85的代码而变化。它可以提供使用悬臂施工的新桥梁加固和新桥梁设计的参考。

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