纤维补强增韧固化土的试验研究  被引量:2

Research on the Fiber Reinforced and Toughen Solidified Soil

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作  者:王亚军[1] 华苏东[1] 姚晓[1] 

机构地区:[1]南京工业大学材料科学与工程学院,江苏南京210009

出  处:《非金属矿》2012年第6期6-8,共3页Non-Metallic Mines

基  金:江苏省普通高校研究生科研创新计划项目(CXLX11_0357)

摘  要:在土壤固化剂固化土中加入聚丙烯纤维改善固化土的力学性能,考察了试件养护龄期、聚丙烯纤维以及固化剂掺量对固化土无侧限抗压强度和受压过程的影响。结果表明,聚丙烯纤维可有效提高固化土的无侧限抗压强度,掺量为0.1%时纤维固化土的无侧限抗压强度较同龄期未掺时提高了9.4%;随着龄期增长和固化剂掺量增加,抗压强度不断增加;聚丙烯纤维的掺入可有效提高固化土的韧性。Fibers were used to improve the mechanical properties of stabilizer solidified soil. The effect of curing period of solidified soil, polypropylene fiber and soil stabilizer dosage on unconfined compressive strength of solidified soil is analyzed. The results indicate that Polypropylene fiber can effectively improve solidified soil unconfined compressive strength. Compared to the solidified soil, with 0.1% polypropylene fibre's unconfined compressive strength was increased by 9.4%. The compressive strength increases with the increase of curing period and stabilizer content. Polypropylene fiber can significantly reduce the solidified soil in the compression process brittle failure happening.

关 键 词:聚丙烯纤维 固化土 抗压强度 脆性破坏 

分 类 号:TU411.6[建筑科学—岩土工程]

 

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