CAJ | 학술논문

为研究聚丙烯粗合成纤维表面处理对水泥砂浆强度的影响，利用强碱和硅烷偶联剂对聚丙烯粗合成纤维进行处理，通过纤维拔出试验、纤维砂浆强度试验和SEM微观分析，研究了纤维表面处理对水泥砂浆强度的影响。研究结果表明，经过强碱或硅烷偶联剂溶液处理后可明显改善纤维/基体界面的粘结性能，提高水泥砂浆的抗压强度和抗折强度，其中用碱溶液处理纤维的改性效果较佳。
위연구취병희조합성섬유표면처리대수니사장강도적영향，이용강감화규완우련제대취병희조합성섬유진행처리，통과섬유발출시험、섬유사장강도시험화SEM미관분석，연구료섬유표면처리대수니사장강도적영향。연구결과표명，경과강감혹규완우련제용액처리후가명현개선섬유/기체계면적점결성능，제고수니사장적항압강도화항절강도，기중용감용액처리섬유적개성효과교가。
In order to study the impact of surface treatment of polypropylene synthetic macro -fiber on cement mortar strength , the polypropylene synthetic macro-fiber was treated with alkali and silane coupling agent .The effect of surface treatment of fiber on cement mortar strength was analyzed by the fiber pull test , fiber mortar mechanical test and SEM microscopic analysis .The results showed that the fiber/matrix interfacial bonding properties and strength of cement mortar were improved . The effect of fibers treated with alkali was good .