| 某预应力混凝土桥梁火灾损伤评估 |
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| 引用本文： | 王国辉,项凯.某预应力混凝土桥梁火灾损伤评估[J].消防科学与技术,2012,31(3):219-223. |
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| 作者姓名： | 王国辉 项凯 |
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| 作者单位： | 公安部天津消防研究所,天津,300381 |
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| 基金项目： | 公安部应用创新资助项目“火灾后混凝土连续梁的力学性能与加固修复”(2010YYCXTJXF135) |
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| 摘 要： | 研究火灾后预应力空心板梁桥的损伤评估方法,介绍火灾后混凝土结构损伤评估的国内外发展历史.通过某评估实例,说明预应力空心板梁桥结构火灾后的损伤评估步骤和方法.根据评估结果,提出火灾后不同损伤等级板梁的修复加固措施.该工程实例丰富了预应力混凝土桥梁结构火灾损伤评估和修复技术,为类似结构的火灾后处理提供了参考依据.
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| 关 键 词： | 火灾 预应力混凝土 火灾损伤 评估 |
Assessment of one fire-damage prestressed concrete bridge |
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| WANG Guo-hui
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XIANG Kai.Assessment of one fire-damage prestressed concrete bridge[J].Fire Science and Technology,2012,31(3):219-223. |
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| Authors: | WANG Guo-hui XIANG Kai |
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| Affiliation: | (Tianjin Fire Research Institute of MPS,Tianjin 300381,China) |
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| Abstract: | The fire-damaged assessment method of bridge with prestressed hollow core slabs was researched.The historical sketch of assessment of fire-damaged concrete structures was briefly introduced.One fire-damaged prestressed concrete bridge with hollow core slabs was shown as an example.The process of assessment of fire-damaged prestressed concrete bridge with hollow core slabs was provided.According to the assessment results,methods of repair and strengthening were presented for different fire-damaged level of hollow core slabs.This example could help to deal with fire-damaged prestressed concrete bridge. |
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| Keywords: | fire prestressed concrete fire-damaged assessment |
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