| 混杂钢-聚丙烯纤维混凝土弯曲韧性试验研究 |
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| 引用本文： | 权莉,陶文祥.混杂钢-聚丙烯纤维混凝土弯曲韧性试验研究[J].混凝土,2011(10):25-27. |
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| 作者姓名： | 权莉 陶文祥 |
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| 作者单位： | 1. 中石化河南石油勘探局水电厂,河南 南阳,473132
2. 中石化国际石油工程公司,北京,100000 |
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| 摘 要： | 普通混凝土具有易开裂,延性差、抗拉强度低的特点.针对混凝土这一系列缺点,采用不同体积掺量的钢纤维和聚丙烯纤维混合掺人混凝土中.采用ASTM-C1018评价体系综合评定混凝土的弯曲韧性指标,试验研究表明:在混凝土中掺入混杂纤维后显著提高了混凝土的弯曲韧性.其中加入聚丙烯纤维能够提高小梁试件的初裂挠度和初裂点的荷载,而钢纤...
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| 关 键 词： | 钢纤维 聚丙烯纤维 混凝土 弯曲韧性 |
Experimental study on flexural toughness of hybrid steel-polypropylene fiber concrete |
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| QUAN Li,TAO Wen-xiang.Experimental study on flexural toughness of hybrid steel-polypropylene fiber concrete[J].Concrete,2011(10):25-27. |
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| Authors: | QUAN Li TAO Wen-xiang |
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| Affiliation: | QUAN Li 1,TAO Wen-xiang 2(1.Sinopec Henan Petroleum Exploration Bureau,Water and Electricity Supplying Factory,Nanyang 473132,China,2.Sinopec International Petroleum Service Corporation,Beijing 100000,China) |
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| Abstract: | The concrete usually has characteristics of low tensile strength,poor toughness and hence low resistance with respect to crack formation.For the series of shortcomings on concrete,With different volume content of steel fiber and polypropylene fiber mixed in concrete.By ASTM-C1018 comprehensive assessment evaluation system on flexural toughness of concrete,test results show that the incorporation of hybrid fibers in the concrete significantly increased the flexural toughness of concrete.Adding polypropylene ... |
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| Keywords: | steel fiber polypropylene fiber concrete flexural toughness |
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