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The effect of Skewness on Live Load Reactions at Piers of Continuous Bridges

机译:偏离对连续桥墩处的活载反应的影响

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This paper presents a study on the effect of bridge skewness on live load reactions at piers of continuous skewed bridges. Finite element modeling and analysis are performed on selected steel I-beam bridges with varied skew angles. The bridges are analyzed for the live load reactions at piers and live load shears at beam end. A comparison study is performed for the difference between the distribution factors of reactions and shears. The comparison reveals that the distribution factor of reaction at support is higher than that of shear at beam end near the same support. The increase in reaction distribution factor is more significant, compared to shear, when skew angle is greater than 30°. It is recommended that more research be performed for the distribution factor of live load reaction to quantify the responses.
机译:本文介绍了桥梁偏斜对连续偏斜桥梁墩桥梁的影响。有限元建模和分析在具有变化偏斜角的所选钢I梁桥上进行。分析桥梁以用于桥墩的活载反应,并在梁端处的活载剪切。对反应和剪切分布因子之间的差异进行比较研究。比较揭示了载体反应的分布因子高于相同载体附近剪切的剪切。与剪切相比,反应分布因子的增加更为显着,当歪斜角度大于30°时。建议对活载反应的分布因子进行更多的研究,以量化响应。

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