石孔

石孔石孔
  1. 用压汞仪(MIP)分别测定了掺钙矾石型和氧化镁膨胀剂水泥净浆及砂浆的孔结构,分析二者对水泥石孔结构的影响。

    The pore structure of cement paste and mortar added with the two agents was characterized using mercury intrusion porosimeter .

  2. 以X射线衍射、差热-失重、压汞测孔及扫描电镜为基础,研究了粉煤灰复合AF减水剂对水泥水化动力学、水化物相形貌及水泥石孔结构的影响。

    By the aid of diffractometer , differential thermogravimetric analysis and scanning electron microscope , the effect of AF complex water reducer of fly ash on hydration kinetics of cement , morphology of hydration phase and pore structure of hardened cement paste is studied in this paper .

  3. 通过水泥石孔结构的测定,证实了水泥石总孔体积减少,其中小于50nm的孔体积百分数增加。

    The determination of the pore structure of cement paste showed that the total pore volume of cement paste was reduced while the volume of pores less than 50 nm was increased .

  4. 聚羧酸系与萘系高效减水剂对水泥石孔结构的影响

    Influence of Polycarboxylate-Based and Naphthalene-Based Superplasticizers on Pore Structure of Cement Paste

  5. SO3掺量对水泥石孔结构和强度的影响

    Effects of SO_3 Addition on the Pore Structure and Strength of Cement Stone

  6. 活性麦饭石孔结构的探讨及应用

    Hole structure characterization of Mai Fan Rock and application

  7. 水泥粒径分布对水泥石孔结构与强度的影响

    Influence of cement particle size distribution on pore structure and strength of cement paste

  8. 低温下油井水泥石孔结构与抗压强度的关系

    Mathematical model for structure and compressive strength of hardened class G oilwell cement paste at low temperature

  9. 掺粉煤灰水泥石孔结构与力学性能关系的研究

    Study of the Relationship between the Strength of the hydrated Cement Paste with Flyash and its Pore structure

  10. 掺珍珠岩水泥石孔分形维数及其与孔结构、强度的关系

    Research on Pore Volume Fractal Dimension and Its Relation to Pore Structure and Strength in Cement Paste with Perlite Admixture

  11. 研究低钙粉煤灰对氧化镁微膨胀水泥的膨胀性能与水泥石孔结构的影响。

    The effect of low calcium fly ash on expansive property and pore structure characteristics of the MgO slight expansive cement paste were investigated .

  12. 用结合水法、压汞法对水泥水化程度、水泥石孔结构及其分布进行研究。

    The hydration degree of cements , the pore structure and the pore size distribution of hydrated cement mortars were analyzed by chemical binding water and mercury intrusion porosimetry ( MIP ) .

  13. 然后,通过强度试验,说明高性能混凝土碳化对其抗压强度发展造成的影响,并对高性能混凝土中水泥石孔结构进行分析,以此来探讨其原因。

    Then , the paper analyzes the influence of carbonization on the development of intensity of high performance concrete by the way of intensity test . And it analyzes the pore structure of the mortar in the concrete to find the reason .

  14. 含粉煤灰或矿渣水泥石的孔结构

    Pore Structures of Cement Stone Containing Slag or Fly Ash

  15. 利用压汞法和氮吸附法测试了水泥石的孔结构,从而对干缩的微观本质进行了探索性研究。

    And pore structures of cement pastes were measured by MIP and N2 adsorption experiments .

  16. 以黄金尾矿为主要原料,以煤矸石作成孔剂,制备了多孔透水砖。

    Porous permeable bricks were made with gold tailings as the main material and coal gangue as pore-forming agent .

  17. 本工作与其它实验研究手段相互补充有助于较全面和深入地了解水泥石的孔结构。

    Furthermore , using SAXS together with other experimental methods , it is expected to be helpful in the study of the nature of cement paste comprehensively .

  18. 采用压汞法测定了硬化混凝土水泥石的孔结构体系参数,包括总孔隙率、最可几孔径及平均半径等,探讨了孔结构与混凝土抗冻性、抗氯离子扩散系数及力学性能的关系。

    Using mercury intrusion method to measure the parameter of limestone pore structure system , including total porosity , most probable aperture , mean radius and so on , and discussing the relationship between pore structure and concrete frost resistance , anti-chloride ion diffusion , mechanical performance .

  19. 粉煤灰具有火山灰效应,可以用粉煤灰替代部分水泥,从而节约水泥用量;另外,粉煤灰具有微集料填充效应,改善水泥石的孔结构,提高干粉砂浆的密实度和强度。

    Fly ash has pozzolanic effect , can use the fly ash replacement part of the cement , thus saving cement contents ; In addition , with the fly ash aggregate filling effect , improve the stone cement pore structure , improve dry mortar density and intensity of .

  20. 金田水库砌石坝斜孔造孔灌浆总结

    Summing up of slant drilling hole grouting of the Jintian reservoir 's stone masonry dam

  21. 通过计算不同粒径分布水泥样品的堆积密度和测定水泥石强度和孔结构,探讨水泥粒径分布对水泥石强度和结构的影响。

    Influence of cement particle size distribution on strength and pore structure of the cement paste were studied by calculating packing density of cement samples with different particle size distribution , measuring compressive strength and pore structure of cement paste samples .

  22. 改性坡缕石粘土的全孔分布研究

    A Study of full hole distribution of modified palygorskite

  23. 水泥水化硬化过程中生成的钙矾石,能填充、堵塞水泥石中的毛细孔缝。

    Ca ( OH ) _2 . The ettringite produced during cement hydration and hardening acts as filler to capillary pore and crack .