大空间结构钢屋盖火灾下温度场计算方法研究
Study on Temperature Distribution Calculation Methods for Steel Roofs of Large-space Structures under Fire Conditions
作者：白音(清华大学 土木工程系，结构工程与振动教育部重点实验室，北京 100084)；石永久(清华大学 土木工程系，结构工程与振动教育部重点实验室，北京 100084)；王元清(清华大学 土木工程系，结构工程与振动教育部重点实验室，北京 100084)
Author：(Dept. of Civil Eng., Key Lab. of Structural Eng. and Vibration of China Edu. Ministry, Tsinghua Univ., Beijing 100084, China)；(Dept. of Civil Eng., Key Lab. of Structural Eng. and Vibration of China Edu. Ministry, Tsinghua Univ., Beijing 100084, China)；(Dept. of Civil Eng., Key Lab. of Structural Eng. and Vibration of China Edu. Ministry, Tsinghua Univ., Beijing 100084, China)
收稿日期：2006-01-18 年卷（期）页码：2006,38(4):19-23
期刊名称：工程科学与技术
Journal Name：Advanced Engineering Sciences
关键字：大空间结构; 温度场; 简化计算公式; 数值模拟
Key words：large-space structure, temperature field; simplified formula; numerical simulation
基金项目：高校科技创新工程重大项目培育资金资助项目（704003）
中文摘要
为了研究大空间结构屋面钢构件火灾下温度场的简化计算方法，把国内外现有用于“室内火灾”温度场的简化计算公式和方法，应用于典型尺寸的大空间结构模型，并与数值模拟结果进行比较。给出了对各种方法的计算准确性的分析结果，并从理论和原理的角度对各种方法的优劣进行了综合评价，提出了进一步修正的方向。
英文摘要
Simplified temperature calculation methods of steel roof members of large-space structures under fire conditions have not been studied systematically. Several simplified formulae or calculation methods for small compartment fires have been applied to a large-space structural model with typical dimensions, and comparisons were made between simplified calculation and numerical simulation results. Accuracy of these methods and synthetic appraisals are given relied on theoretical analysis, and some suggestions of amendment are proposed.
【关闭】
