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受热前后的纤维高性能混凝土断裂能的影响因素作用分析

Analysis on Effects of Influencing Factoron Fracture Energy of Hybrid Fiber Reinforced Concrete under pre- and Post-roasted
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摘要 参照国际材料与结构联合会标准(RILEM),分别在常温和受热150℃后,对混杂纤维混凝土进行三点弯曲试验,通过极差、方差分析及对比试验表明:钢纤维对混凝土的断裂能影响高度显著,尤其是短钢纤维;受热后,纤维混凝土断裂能有所下降。 At normal temperature and under 150℃ post-roasted according to RILEM, fi＇om variance analysis,gradation analysis and the comparison of experimental data, it is concluded that： （1）steel fiber mixed into concrete can improve markedly fracture energy of concrete, especially short steel fiber; （2）fracture energy ofconcrete would degrade underpost-roasted.
作者 戈昕 赵明昱 赵琳琳
机构地区 山东省冶金设计院有限责任公司
出处 《工程建设与设计》 2009年第4期79-81,共3页 Construction & Design for Engineering
关键词 混凝土 钢纤维 受热 断裂能 concrete steel ttber roasted tracture energy
分类号 TU528.572 [建筑科学—建筑技术科学]
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工程建设与设计
2009年 第4期

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