连续刚构桥箱梁火灾损伤检测与评估 |
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引用本文: | 马虎.连续刚构桥箱梁火灾损伤检测与评估[J].重庆建筑,2015(9):38-40. |
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作者姓名: | 马虎 |
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作者单位: | 重庆轨道交通 集团 有限公司,重庆,401120 |
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摘 要: | 火灾产生的高温会对钢筋混凝土桥梁造成严重的影响,致使桥梁中普通钢筋和预应力钢筋强度降低和混凝土质量下降。该文结合工程实例,介绍预应力混凝土连续刚构桥箱梁火灾后的损伤检测方法和评估方法,为火灾后桥梁的管理维护提供参考。
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关 键 词: | 连续刚构桥箱梁 火灾 损伤检测 损伤评估 |
Fire Damage Identification and Valuation of Box Beam of Continuous Rigid Frame Bridge |
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Abstract: | The high temperature caused by fire disaster has serious impact on reinforced concrete bridge, reducing the strength of the ordinary steel bar and pre-stressed steel bar and the concrete quality of the bridge. Combined with practical cases, the damage identification methods and evaluation meth-ods of the box beam of the pre-stressed concrete continuous rigid frame bridge after fire are introduced for reference. |
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Keywords: | box beam of the pre-stressed concrete continuous rigid frame bridge bridge fire damage identification damage evaluation |
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