选用黄麻和聚丙烯作为添加材料，增强水泥砂浆。采用不同浓度的氢氧化钠对黄麻纤维进行处理，处理不同的时间，探究黄麻力学性能的变化。并在水泥砂浆中加入不同掺量的碱处理黄麻和聚丙烯，研究其对水泥砂浆抗裂性能的影响。%In this paper the jute and polypropylene are selected to reinforce cement mortar .The changes of me-chanical properties of jute treated by different concentration of sodium hydroxide and time are studied .The crack re-sistance of fiber reinforced cement mortar with different dosage of jute and PP are researched .Through the analysis of the experiments ,the optimal result is obtained ,which is help to composite material .
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