| 1. | At the same time , hpc can reduce the cement content per cube and use more mineral additives
同时，高性能混凝土可以利用大量的矿物掺和料取代水泥，减少单方混凝土水泥用量。 |
| 2. | The adding of mineral additives reduced the loss of mechanical properties of concrete relative to normal concrete
相对于基准混凝土,掺入矿物掺合料能降低混凝土的力学性能损失。 |
| 3. | Activity factor is presented for evaluating cementirous property of mineral additives by certain derivation and numerical analysis
通过一定的推导与数值分析，提出了用活性因子评价矿物掺合料胶凝性能的方法。 |
| 4. | With the addition of the mineral additives , the structure of the cement paste can be improved and the resistance of sulfate attacks can be advanced
掺入掺和料可以改善水泥浆体的结构，明显提高混凝土的抗硫酸盐侵蚀能力。 |
| 5. | Moreover , the autogenous shrinkage and the possibility of cracking in the early stage of the hpc also can be controlled , with the addition of the mineral additives
掺和料的加入还可以减小混凝土早期的自收缩，减少高性能混凝土早期开裂的几率。 |
| 6. | Meanwile , the frost - heave stress of all concrete with different w / c ratio decreased with the adding of mineral additives , the decreaseing extent of concrete with high w / c ratio is more bigger between them
同时,掺入矿物掺合料的不同水灰比混凝土的冻胀应力都减小,其中高水灰比混凝土减小幅度较大。 |
| 7. | The results show that low ratio of water and binding materials together with fine mineral additive of different particle size distribution is an effective way to improve the properties of concrete
研究结果表明，采用低水胶比、复合掺入不同粒级的矿物细掺料，有利于改善和进一步提高混凝土的各种性能。 |
| 8. | It is realized that with the increase of mineral additives content the strength coefficient of cement and the contribution of pozzuolana effects to the concrete by the mineral additives is obviously increased
试验中发现，随着掺和料掺量的增加，水泥自身抗压比强度和掺和料火山灰效应对混凝土强度的贡献率都明显增加。 |
| 9. | Results demonstrated that a good quality hpc with adequate 28 - day compressive strength could be achieved by partially replaced cement with ground mineral additives and the use of superplasfics
试验结果表明通过用磨细的矿物掺和料部分取代水泥配合高效减水剂，完全可以配置出28天强度满足要求而其它方面的性能优良的高性能混凝土。 |
| 10. | This paper mainly study the effect of mineral additive to concrete pore structure , mechanical performance , frost resistance and impermeability , and discuss the relationship of pore structure and concrete performance
本文主要研究了无机盐类外加剂对混凝土孔结构及其力学性能、抗冻与抗渗性能的影响,并探讨了孔结构与其性能的关系。 |
