| 聚丙烯纤维和膨胀剂对水泥砂浆塑性干缩的影响 |
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| 引用本文： | 马良,向阳开.聚丙烯纤维和膨胀剂对水泥砂浆塑性干缩的影响[J].重庆交通大学学报(自然科学版),2006,25(Z1):71-72,115. |
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| 作者姓名： | 马良 向阳开 |
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| 作者单位： | 重庆交通大学,土木建筑学院,重庆,400074 |
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| 摘 要： | 通过对普通砂浆、微膨胀砂浆、聚丙烯纤维砂浆及微膨胀聚丙烯纤维砂浆的塑性收缩试验,研究了聚丙烯纤维和膨胀剂对水泥砂浆塑性收缩的影响.结果表明:聚丙烯纤维不但能有效的减小砂浆塑性开裂而且还可以延缓塑性开裂的时间;微膨胀砂浆有失水回缩的特性.
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| 关 键 词： | 聚丙烯纤维 膨胀剂 塑性收缩 |
| 文章编号： | 1001-716X(2006)S1-0071-02 |
| 修稿时间： | 2006年5月12日 |
Study on the influence of polypropylene fiber and expansive agent to plastic shrinkage of mortar |
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| MA Liang,XIANG Yang-kai.Study on the influence of polypropylene fiber and expansive agent to plastic shrinkage of mortar[J].Journal of Chongqing Jiaotong University,2006,25(Z1):71-72,115. |
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| Authors: | MA Liang XIANG Yang-kai |
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| Abstract: | Having studied the influence of polypropylene fiber and expansive agent to plastic shrinkage of mortar through the experiment of the ordinary mortar 、minorexpansion mortar、 polypropylene fiber mortar and minorexpansion polypropylene fiber mortar,the result shows: Polypropylene fiber not only can effectively decrease plasticity crack can also reduce the speed of crack expansion.Minorexpansion mortar shrinks when losing water. |
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| Keywords: | polypropylene fiber expansive agent plastic shrinkage |
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