| 局部钢纤维混凝土梁腐蚀后弯曲性能试验研究 |
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| 引用本文： | 王海超,杨凤莲,郭玉军,张红英.局部钢纤维混凝土梁腐蚀后弯曲性能试验研究[J].辽宁工程技术大学学报(自然科学版),2009,28(6). |
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| 作者姓名： | 王海超 杨凤莲 郭玉军 张红英 |
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| 作者单位： | 山东科技大学,土木建筑学院,山东,青岛,266510 |
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| 基金项目： | 山东省教育厅基金资助项目 |
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| 摘 要： | 为了研究海洋防腐蚀结构工程耐久性,采用局部钢纤维混凝土制作了9根试验梁,通过模拟海洋环境中进行干湿交替的循环腐蚀作用,进行腐蚀电位测试.对不同钢纤维体积率、不同钢纤维铺设厚度、不同腐蚀程度的钢纤维钢筋混凝土梁进行四点弯曲静力试验研究.结果表明:混凝土中的分布于钢筋周边的钢纤维,改变了含水腐蚀介质中离子的汇聚方式,阻止了内部钢筋的腐蚀.钢纤维的加入对于提高钢筋混凝土梁的开裂载荷和耐久性具有重要作用.当钢纤维体积率为1.25%、钢纤维混凝土厚为50 mm时效果最为显著.采用钢纤维作为主动防止钢筋锈蚀的工程技术具有广泛的应用前景.
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| 关 键 词： | 局部钢纤维混凝土 腐蚀 耐久性能 抗拉性能 |
Experimental study on flexural properties of partially steel fiber reinforced concrete subject to corrosion |
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| WANG Haichao,YANG Fenglian,GUO Yujun,ZHANG Hongying.Experimental study on flexural properties of partially steel fiber reinforced concrete subject to corrosion[J].Journal of Liaoning Technical University (Natural Science Edition),2009,28(6). |
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| Authors: | WANG Haichao YANG Fenglian GUO Yujun ZHANG Hongying |
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| Institution: | WANG Haichao,YANG Fenglian,GUO Yujun,ZHANG Hongying (School of Civil and Architectural Engineering,Shandong University of Science and Technology,Qingdao 266510,China) |
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| Abstract: | In order to investigate the durability of marine anti-corrosion structures,nine testing beams with partially steel fiber reinforced concrete (PSFRC) were subjected to corrosion by alternating wet and dry cycles in a simulated marine environment.A four-point static bending test was conducted on the beam specimens with different volume rates of steel fiber,different laying thicknesses of steel fiber and different corrosion degrees.The results show that steel fiber around steel beams in concrete changes the io... |
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| Keywords: | partially steel fiber reinforced concrete corrosion durability tensile property |
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