| 邹小平,柴天红,刘成舟,万佳俊,鲍伟平,易 鹏.C80高强混凝土的制备及应用[J].水泥工程,2021,34(1):89-92 |
| C80高强混凝土的制备及应用 |
| Preparation and application demonstration of C80 high- strength concrete in jiangxi province |
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| DOI： |
| 中文关键词: C80高强混凝土，水胶比，玄武岩碎石，硅灰，抗压强度 |
| 英文关键词: C80 high-strength concrete,water-binder ratio,basalt gravel,silica fume, compressive strength |
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| 中文摘要: |
| C80高强混凝土的配制关键在于控制水胶比、碎石母岩抗压强度、胶凝体系强度及解决黏性问题。从混凝土强度、稳定性、实际生产可行性、混凝土的抗裂性及高层泵送要求等多方面综合判定，宜使用P•O52.5水泥、加密硅灰、Ⅰ级粉煤灰、玄武岩碎石等材料配制C80高强混凝土。将C80高强混凝土在江西地区进行应用示范，实际生产取样3 d、7 d、28 d抗压强度达到设计强度的75%~80%，90%~100%，115%~125%。 |
| 英文摘要: |
| The key to the preparation of C80 high-strength concrete is to control the water-binder ratio, the compressive strength of the crushed stone parent rock, the strength of the cementing system and solve the problem of viscosity.Comprehensive judgments from various aspects such as concrete strength, stability, actual production feasibility, crack resistance experience, and high-rise pumping requirements，using P·O52.5 cement, dense silica fume, I -level fly ash, basalt gravel and other materials to prepare C80 high-strength concrete。C80 high-strength concrete was demonstrated in Jiangxi, and the compressive strength of 3 d, 7 d and 28 d samples in actual production reached 75%~80%, 90%~100% and 115%~125% of the designed strength. |
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