CAJ | 학술논문

通过设置3个不同的水胶比：0.30、0.35、0.40和3种纤维体积掺量：0、1.0％、1.5％，研究PVA/钢混杂纤维对混凝土韧性的影响。试验结果表明：结果表明：水胶比越大，混凝土脆性越大；纤维掺量是影响纤维增强水泥混凝土韧性的主要因素，纤维掺量越大，纤维混凝土变形硬化现象越明显，并且韧性指数值也越大，从荷载-挠度曲线中可以看出 PVA/钢纤维混凝土的变形硬化现象较 PVA纤维混凝土的显著。
통과설치3개불동적수효비：0.30、0.35、0.40화3충섬유체적참량：0、1.0％、1.5％，연구PVA/강혼잡섬유대혼응토인성적영향。시험결과표명：결과표명：수효비월대，혼응토취성월대；섬유참량시영향섬유증강수니혼응토인성적주요인소，섬유참량월대，섬유혼응토변형경화현상월명현，병차인성지수치야월대，종하재-뇨도곡선중가이간출 PVA/강섬유혼응토적변형경화현상교 PVA섬유혼응토적현저。
This thesis is study on the influence of Steel-PVA Hybrid Fibers for cement concrete on bending toughness by setting three different water-binder ratio:0.30,0.35,0.40 ,and three different fi-ber volume fraction:0,1.0 %,1.5%.The results showed the brittleness of concrete change larger with the increasing of water-cement ratio.Fiber content is the main factor impact of the toughness of fiber-rein-forced cement concrete.The greater fiber content,fiber reinforced concrete deformation hardening phe-nomenon is more obvious,and toughness index values greater.It can be seen from the curve of load-de-flection that the deformation hardening phenomenon of PVA steel fiber reinforced concrete is more obvious than the PVA fiber concrete.