| 火灾后钢筋混凝土受弯构件抗弯承载力 |
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| 引用本文： | 项凯,王国辉,余江滔,王帅,刁晓亮. 火灾后钢筋混凝土受弯构件抗弯承载力[J]. 消防科学与技术, 2010, 29(12) |
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| 作者姓名： | 项凯 王国辉 余江滔 王帅 刁晓亮 |
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| 作者单位： | 公安部天津消防研究所;同济大学结构工程与防灾研究所; |
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| 基金项目： | 公安部应用创新资助项目 |
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| 摘 要： | 研究火灾后钢筋混凝土受弯构件的抗弯承载力统一算法,分析火灾后钢筋混凝土矩形截面梁、单向板和T形截面梁的抗弯承载力。构件受火位置包括受拉区和受压区,截面配筋方式包括单筋截面和双筋截面。考虑以上因素,给出火灾后钢筋混凝土受弯构件抗弯承载力完整的计算公式,结合数值分析和试验结果验证公式的有效性。研究结果表明,提出的计算方法可以较准确地计算火灾后钢筋混凝土受弯构件的抗弯承载力。
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| 关 键 词： | 火灾 钢筋混凝土 受弯构件 抗弯承载力 |
Uniform calculating method of flexural capacity for fire-damaged reinforced concrete bending members |
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| XIANG Kai,WANG Guo-hui,YU Jiang-tao,WANG Shuai,DIAO Xiao-liang. Uniform calculating method of flexural capacity for fire-damaged reinforced concrete bending members[J]. Fire Science and Technology, 2010, 29(12) |
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| Authors: | XIANG Kai WANG Guo-hui YU Jiang-tao WANG Shuai DIAO Xiao-liang |
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| Affiliation: | XIANG Kai1,WANG Guo-hui1,YU Jiang-tao2,WANG Shuai1,DIAO Xiao-liang1 (1.Tianjin Fire Research Institute of MPS,Tianjin 300381,China,2.Fire Research Institute of Engineering and Disaster Reduction,Tongji University,Shanghai 200092,China) |
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| Abstract: | In order to research the uniform calculating method of flexural capacity for fire-damaged reinforced concrete bending members,the flexural capacities of fire-damaged rectangular beam,slab and T-beam were analyzed.The fire-damaged regions includes tensile region and compressive region.The types of cross section includes beam with single reinforcement and beam with compression steel.Considering above factors,integrated formulas of flexural capacity for fire-damaged reinforced concrete bending members were der... |
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| Keywords: | fire reinforced concrete bending member flexural capacity |
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