[1]郭风俊.基于ANSYS的不平衡日照混凝土箱梁温度场分布研究[J].西安建筑科技大学学报(自然科学版),2020,(02):207-212.[doi:10.15986/j.1006-7930.2020.02.008]
 GUO Fengjun.Research on temperature field distribution of unbalanced sunshine concrete box girder based on ANSYS[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2020,(02):207-212.[doi:10.15986/j.1006-7930.2020.02.008]
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基于ANSYS的不平衡日照混凝土箱梁温度场分布研究()
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西安建筑科技大学学报(自然科学版)[ISSN:1006-7930/CN:61-1295/TU]

卷:
期数:
2020年02期
页码:
207-212
栏目:
出版日期:
2020-04-25

文章信息/Info

Title:
Research on temperature field distribution of unbalanced sunshine concrete box girder based on ANSYS
文章编号:
1006-7930(2020)02-0207-06
作者:
郭风俊
(山西省高速公路集团有限责任公司,山西 太原 030000)
Author(s):
GUO Fengjun
(Shanxi Expressway Group Co. Ltd,Taiyuan 03000, China)
关键词:
桥梁工程 箱型截面 有限元仿真 日照辐射 不平衡温度场
Keywords:
bridge engineering continuous rigid frame finite element simulation sunshine radiation unbalanced temperature field
分类号:
U448
DOI:
10.15986/j.1006-7930.2020.02.008
文献标志码:
A
摘要:
混凝土薄壁箱梁温度场受地理位置、风速风向、太阳辐射等多方面因素影响,而箱梁温度场分布又很大程度上决定了桥梁所受到的温度应力.本文以佳县黄河大桥为背景,针对左右两侧日照辐射不平衡的箱梁,通过现有地理资料与有限元软件进行了模拟仿真计算,最后与实测温度场数据对比,验证了模拟仿真计算结果的准确性,得到了各时刻箱梁截面在此种日照下的温度场分布,并利用有限元模型结果分析确定了此类桥梁薄壁箱梁各构件温度分布规律,可以为今后此种桥位箱型截面桥梁温度场计算提供参考
Abstract:
The temperature field of thin-walled concrete box girder is affected by many factors, such as geographical location, wind speed, wind direction, solar radiation and so on. The temperature field distribution of box girder largely determines the temperature stress of bridge. Based on the background of Jiaxian Yellow River Bridge, this paper simulates and calculates the box girder with unbalanced solar radiation on the left and right sides by using the existing geographic data and finite element software. Finally, the accuracy of the simulation results is verified by comparing with the measured temperature field data. The temperature field distribution of the box girder section under this kind of sunshine at all times is obtained, and the results of finite element model are used. The temperature distribution law of thin-walled box girder components of this kind of bridge is analyzed and determined, which can provide reference for the calculation of temperature field of box section bridge in this kind of bridge location in the future

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备注/Memo

备注/Memo:
收稿日期:2019-08-06 修改稿日期:2020-03-25
基金项目:山西省交通运输厅科技基金资助项目(2017-1-37)
第一作者:郭风俊(1975-),男,高级工程师,研究方向为交通运输工程.E-mail:xkl199515@126.com
更新日期/Last Update: 2020-04-25