摘要(Abstract)：
在聚乙烯纤维体积分数固定为1%的情况下,分别对掺入体积分数为0、 0.3%、 0.6%和0.9%的钢纤维的试件进行直接拉伸试验,研究钢纤维掺量对高韧性水泥基复合材料直接拉伸性能的影响。结果表明,钢纤维的掺入可以有效增大试件的初裂拉力和极限拉力,与不掺钢纤维的试件相比,钢纤维体积分数为0.3%、 0.6%、 0.9%的试件的初裂应力分别增大45.19%、 80.28%、 96.15%,极限应力分别增大33.97%、 27.99%、 8.85%,拉伸应变分别减小50.81%、 23.47%、 32.39%,但仍然具有较好的延性。
关键词(KeyWords)： 水泥基复合材料;拉伸性能;钢纤维;聚乙烯纤维
基金项目(Foundation): 山东省重点研发计划项目(2017GSF22016)
作者(Author): 许子龙,谢群
DOI: 10.13349/j.cnki.jdxbn.20200810.001
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