通过加入聚乙烯醇(PVA)纤维,具有低的抗拉强度和抗压强度100兆帕超高强度的混凝土(UHSC)的应变能力的显着的脆化是可以克服的。含有PVA纤维超高强混凝土的抗压强度和劈裂抗拉强度本文调查。
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添加不同长径比、体积率钢纤维,获得最佳超高强度硅酸盐混凝土的增强、增韧与阻裂效应。
Add a different aspect ratio and volume ratio of steel fibers, in order to attain the best high strength Portland concrete reinforcing, toughening and crack resistance effect.
通过4组超高强度混凝土梁剪切试验,考察各主要因子对剪压破坏梁抗剪强度的影响。
Study on shear compression failure of RC beams without stirrups was carried out by 4 series of ultrahigh strength specimens to estimate the influence of each design parameter separately.
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