重庆石板坡长江大桥复线桥温度效应分析

岳笛 刘纲 杨溥 黄宗明

doi:10.11835/j.issn.1674-4764.2007.05.023

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重庆石板坡长江大桥复线桥温度效应分析

更新时间：2023-11-28

- 重庆石板坡长江大桥复线桥温度效应分析
- Temperature Effect Analysis of Chongqing Shibanpo Yangtze River Double Line Bridge
- 土木与环境工程学报（中英文） 2007年29卷第5期页码：119-122129
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- DOI：10.11835/j.issn.1674-4764.2007.05.023
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- 纸质出版：2007
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岳笛刘纲杨溥黄宗明. 重庆石板坡长江大桥复线桥温度效应分析[J]. 土木与环境工程学报（中英文）, 2007,29(5):119-122129.

Temperature Effect Analysis of Chongqing Shibanpo Yangtze River Double Line Bridge[J]. Journal of Civil and Environmental Engineering, 2007, 29(5): 119-122129.
岳笛刘纲杨溥黄宗明. 重庆石板坡长江大桥复线桥温度效应分析[J]. 土木与环境工程学报（中英文）, 2007,29(5):119-122129. DOI： 10.11835/j.issn.1674-4764.2007.05.023.

Temperature Effect Analysis of Chongqing Shibanpo Yangtze River Double Line Bridge[J]. Journal of Civil and Environmental Engineering, 2007, 29(5): 119-122129. DOI： 10.11835/j.issn.1674-4764.2007.05.023.

摘要

温度应力是大型桥梁结构开裂及变形的重要影响因素之一。以石板坡长江大桥复线桥为背景，采用通用有限元程序MIDAS—Civil参考我国公路桥梁设计规范以及英国BS5400规范，首先研究了截面温度梯度和体系温变对该桥应力及变形的影响规律，然后将截面温度梯度和体系升温效应线性组合，探讨了它对复线桥的影响，并与移动荷载产生的效应进行了对比。研究结果对石板坡复线桥及同类桥梁结构的设计具有一定参考价值。

Abstract

Thermal stress is one of the important influence factors of crack and deformation for large-span bridge structures. Grounded on Shibanpo Yangtze River double line bridge and universal finite element program MIDAS-Civil with referring to specifications of China and British BS5400

above all

it is for this Bridge that the stress and deformation influence is studied by setting section temperature difference and system temperature change

afterwards

the effect on the newborn bridge is discussed by combining impact of the section temperature difference and the system-calefaction linearly

and then

the effect is compared with the impact brought by moving load. The results will have a certain extent value for the design of ShiBanpo double line bridge and other similar bridges.

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