| 1. | Effect of fine particles on rheological properties of high - performance concrete 矿物细掺料对高性能混凝土流变性能的影响 |
| 2. | Effect of construction refuse as mineral admixture on physical and mechanical performance of cement 建筑垃圾作矿物掺料对水泥物理力学性能的影响 |
| 3. | Furthermore , the super - compound effects on fine mineral mixture in hpc were discussed detailedly 此外,本文详细地探讨了多组分矿物细掺料在hpc中的超叠加效应。 |
| 4. | This study is mainly to verify the strategy of restraining the neutralization by adding appropriate pozzolanic admixtures to concrete 本研究以掺加适量卜作岚掺料的高性能混凝土,验证抑制中性化之策略。 |
| 5. | The study tries to divide enhancement effect into chemical effect and physical effect and recurs to inertial material to replace superfine slag powder 本研究借助磨细惰性掺料等量替代矿渣微粉试图将矿渣微粉的增强效应分解为化学效应和物理效应。 |
| 6. | 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。 |
| 7. | The basic route of preparing super high strength & high performance concrete is portland cement added with fine mineral additive and super plasticizer . therefore , composition and structure of super high strength & high performance concrete are different from ordinary concrete 超高强高性能混凝土配制的基本路线是“硅酸盐水泥+矿物细掺料+高效减水剂” ,其组成与结构将不同于普通混凝土。 |
| 8. | By using of xrd , mercuiy intrusion porosimetiy , sorption isotherms , micro - hardness and so on , effects of ratio of water and binding materials and of type and content of fine mineral additives on composition , pore structure and interface structure have been studied in this paper 本文通过x衍射法、压汞法、氮吸附法以及显微硬度法等测试分析手段,研究了水胶比、矿物细掺料对超高强高性能混凝土的组成、孔结构、界面过渡区结构的影响。 |
| 9. | Abstract : by adding into concrete batch with greater proportion of active fine additive and pumping agent , reacted to the compound impact of the two substances , concrete workability , durability and strength could be improved . in addition , pumping - suitability of low strength concrete may be improved as well 文摘:将大掺量活性细掺料和泵送剂加入混凝土拌合物中,两者的复合作用下,可使混凝土的工作性、耐久性,强度得到改善,并提高低强混凝土的可泵性。 |
| 10. | Studying the permeability of deep mixed cement - treated sand through tests , this paper probed into the permeability character and the influence of additives on the permeability character of cement - treated sand . the reinforced mechanism of cement - treated sand was investigated 通过对经深层搅拌形成的水泥粗砂土的渗透试验的研究和对室内外试验结果的分析,探讨了水泥砂性土的渗透性及外掺料对渗透特性的影响和水泥砂性土的加固机理,为深层搅拌法改变砂土渗透性提供依据。 |