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聚酯纤维增强型水泥稳定砂砾抗压强度试验研究

DOI: 10.3969/j.issn.1674-0696.2014.01.13, PP. 55-59

Keywords: 聚酯纤维,抗压强度,正交试验,复合材料,反射裂缝,polyesterfiber,compressionstrength,orthogonalexperiment,compositematerials,reflectioncrack

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Abstract:

:?选用3种不同长度的聚酯纤维,以7,28d无侧限抗压强度为指标,通过正交试验研究纤维长度、掺量和试件养护龄期对聚酯纤维增强型水泥稳定砂砾的影响。研究表明:聚酯纤维水泥稳定砂砾的7,28d无侧限抗压强度随纤维掺量增加而提高,但随纤维长度增加而降低;聚酯纤维水泥稳定砂砾的强度主要形成于7d养护龄期内,7~28d龄期内强度增长缓慢。

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