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为了研究聚丙烯纤维加固水泥土的效果,有效改善水泥土的脆性破坏,以硅粉水泥土为基础,采用在硅粉水泥土中加入聚丙烯纤维的方法,获得性能更好的聚丙烯纤维硅粉水泥土。试验中对不同聚丙烯纤维掺量的水泥土试件进行了三轴试验,探讨了围压、聚丙烯纤维掺入比等因素对土体强度、变形等力学性质的影响。试验表明:聚丙烯纤维的加入可以有效地加固水泥土体,改善其力学性能,且强度随纤维掺量的增加而增长。
In order to study the effect of polypropylene fiber reinforced cement soil and effectively improve the brittle failure of cement soil, based on the silica fume cement soil, polypropylene fiber was added into silica fume cement soil to obtain better performance of polypropylene fiber silicon Powder cement soil. Triaxial tests were conducted on cemented soil specimens with different polypropylene fiber contents. The effects of confining pressure and polypropylene fiber incorporation ratio on mechanical properties such as soil strength and deformation were discussed. The results show that the addition of polypropylene fiber can effectively reinforce cemented soil and improve its mechanical properties, and the strength increases with the increase of fiber content.