桥面铺装层温度场的ANSYS模拟  

Simulation of Temperature Field of Bridge Deck Pavement with ANSYS Software

作　　者：逯彦秋[1] 张肖宁[2] 唐伟霞 

机构地区：[1]哈尔滨工业大学交通科学与工程学院,黑龙江哈尔滨150090 [2]华南理工大学交通学院,广东广州510640 [3]辽宁省城乡建设规划设计院广东分院,广东广州510507

出　　处：《华南理工大学学报（自然科学版）》2007年第2期59-63,共5页Journal of South China University of Technology(Natural Science Edition)

基　　金：交通部西部课题科研基金资助项目(2001-318-223-41)

摘　　要：为了较准确地掌握桥面铺装层温度场的分布规律,为温度应力计算及铺装材料设计提供理论依据,从气象学和传热学基本原理出发,分析了影响桥面铺装层温度场的环境因素,根据傅立叶传热定律导出了桥面铺装层瞬态温度场的二维计算模型,采用AN-SYS有限元软件对该模型进行了模拟分析,并将计算结果与实测结果进行比较.结果表明:在正确掌握边界条件及材料热物性参数的条件下,采用文中的计算模型可得到较为精确的数值解.This paper aims to reveal the temperature distribution in the bridge deck pavement and to provide some theoretical guidelines for the calculation of temperature stress and the material design of the bridge deck pavement. In the investigation, the atmosphere factors that affect the temperature field of the bridge deck pavement are first analyzed based on aerography and calorifics theories. A two-dimension calculation model of the transient temperature field is established according to the Fourier heat-transfer law. Then, the proposed model is simulated using the finite element software ANSYS. The obtained results are finally compared with those of the on-the-spot survey. It is concluded that, given the correct boundary conditions and thermo-physical parameters of the pavement material, proposed model helps to obtain precise numerical solution.

关 键 词：桥面铺装层 辐射 温度场 模拟 

分 类 号：U436.26[交通运输工程—道路与铁道工程] TU663[建筑科学—建筑技术科学]