| 钢纤维掺量对混凝土高温力学性能的影响 |
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| 引用本文： | 陈辉国,刘盈丰,孙波,汪敏,成培江.钢纤维掺量对混凝土高温力学性能的影响[J].重庆交通大学学报(自然科学版),2010,29(4):552-554,635. |
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| 作者姓名： | 陈辉国 刘盈丰 孙波 汪敏 成培江 |
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| 作者单位： | 后勤工程学院,军事建筑工程系,重庆,401311;重庆大学,土木工程学院,重庆,400045;重庆市武警总队医院,重庆,400061;后勤工程学院,军事建筑工程系,重庆,401311 |
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| 基金项目： | 总后基建营房部资助项目 |
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| 摘 要： | 利用订制的可实现程序控温的高温试验系统,按国际标准火灾曲线ISO-834对钢纤维混凝土试块进行了高温试验。探讨了钢纤维混凝土高温后抗压强度、抗拉强度随温度变化的规律,研究了钢纤维混凝土在高温后的力学特性。试验表明,钢纤维掺量越高,高温后混凝土性能提高越大;在各种不同温度级别的高温作用下,钢纤维的掺入均可较大幅度提高混凝土残余抗拉强度;而对混凝土高温后残余抗压强度,只有在500℃以上时,钢纤维才有较大贡献。
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| 关 键 词： | 钢纤维混凝土 高温 力学性能 试验研究 |
Impact of Steel Fibre Dosage on Mechanical Properties of Concrete under High Temperature |
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| CHEN Hui-guo,LIU Ying-feng,SUN Bo,WANG Min,CHENG Pei-jiang.Impact of Steel Fibre Dosage on Mechanical Properties of Concrete under High Temperature[J].Journal of Chongqing Jiaotong University,2010,29(4):552-554,635. |
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| Authors: | CHEN Hui-guo LIU Ying-feng SUN Bo WANG Min CHENG Pei-jiang |
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| Institution: | CHEN Hui-guo1,2,LIU Ying-feng3,SUN Bo1,WANG Min1,CHENG Pei-jiang1 (1.Department of Architecture & Civil Engineering,Logistics Engineering College,Chongqing 401311,China,2.College of Civil Engineering,Chongqing University,Chongqing 400045,3.Hospital of Chongqing Armed Police Corps,Chongqing 400061,China) |
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| Abstract: | With ISO-834,International Standard Fire Curve,steel-fiber reinforced concrete(SFRC) under high temperature was studied.The change rule of compressive and tensile strength of SFRC under high temperature and mechanical properties of SFRC were investigated.The test showed that the more steel fiber it contained,the better the concrete performed under high temperature.The test also indicated that steel fiber could promote the tensile strength of concrete considerably in any temperature and it could help improve... |
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| Keywords: | SFRC high temperature mechanics performance experimental research |
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