灰砂

  • 网络Gray sand;grey sand
灰砂灰砂
  1. 本文采用定量相分析法测定灰砂系统水热反应的水化物,并通过SEM观察及试块强度测定等研究了灰砂系统水热反应动力学。

    Kinetics of hydrothermal reaction in lime-sand system was investigated by means of quantitative phase analysis , SEM observation , and compressive strength measurement .

  2. 研究结果表明:采用合适的外加剂MH,常压干热养护工艺也适用于灰砂混凝土。

    The experimental results show that technology of atmospherical dry heating curing can be used to lime sand concrete with a fit admixture .

  3. 水灰比、灰砂比和UEA对石屑砂浆干燥收缩性能的影响

    Effects of Water-Cement RatioC 、 ement-Aggregate Ratio and UEA on Drying Shrinkage of Stone Chips mortar

  4. 在灰砂比为10∶1,浓度76%时,28d抗压强度为0.81MPa;

    At a ratio of 10 ∶ 1 , a density of 76 % and 28 day-curing cycle , the compression strength was 0.81 MPa ;

  5. 按不同的灰砂比可配制强度等级为M5~M15工作性能优良的彩色干混砂浆。

    Good performance colored dry mixed mortar with strength grade of M5 ~ M15 can be prepared by different cement-sand ratio .

  6. 应用INSTRON刚性伺服试验机对不同灰砂比的充填体进行了劈拉试验,测得荷载-位移和应力-应变全曲线。

    A series of splitting tensile tests were conducted by using an INSTRON testing system to investigate the effect of cement-tailings ratio on the properties of backfill .

  7. 用周期浸泡加速腐蚀试验法研究pH=3.5、5.6和pH为1.0时SO2-为0、0.06、0.1、0.2mol/L等6种模拟酸雨条件下混凝土、砂浆和灰砂砖的化学行为。

    The chemical behaviors of concrete , sand-lime slurry and sand-lime brick were studied by using the periodical immersion corrosion accelerating methods under the condition of simulated acid rain of different acidity and SO_4  ̄ 2 concentration .

  8. 试验是在常压实验架上进行的,由XZ型三柱塞泵提供动力,岩心采用灰砂比1:1.5的自制岩心。

    Test was done on an atmospheric tester with power provided by a XY type triplex plunger pump . A synthetic core with ratio of cement to sand as 1 : 1 . 5 was used .

  9. 研究表明,当成型压力从20MPa升至40MPa时,蒸压灰砂砖抗压强度可提高90.3%,耐盐酸腐蚀能力也有所提高。

    The results show , when molding pressure changes from 20 MPa to 40 MPa , autoclaved lime_sand bricks get a strength increase of 90.3 percent . Hydrochloric acid stability is also enhanced .

  10. 钢纤维灰砂混凝土中裂纹位置的确定

    The determination of a crack in steel fibre reinforced lime-sand concrete

  11. 长沙地区蒸压灰砂砖砌体力学性能研究

    Research of the autoclaved sand - lime brick in Changsha aera

  12. 空心灰砂砖和砌体的物理力学性能

    Physical and mechanical properties of hollow sand-lime brick and its wall

  13. 灰砂桩复合地基工作性状及抗震性能

    Behavior and earthquake resistant properties of lime sand piled composite ground

  14. 蒸压灰砂砖砌体弯曲抗拉强度试验研究

    Study on autoclaved sand-lime brick masonry by bending tensile strength test

  15. 灰砂砖砌体裂缝试验及仿真研究

    Study of Cracking Experiments and Computer Simulation analysis of Sand-lime Brick Masonry

  16. 灰砂材料水化产物与其若干性能的关系

    The relations between the hydrates and properties of lime-sand materials

  17. 新的蒸压灰砂砖国家标准简介

    Introduction to a New National Standard for Autoclaved Sand-Lime Brick

  18. 灰砂比为1:2.5是较为理想的,砂浆的和易性较好,韧性较好;

    When cement-to-sand ratio is 1:2.5 , toughness of mortar is perfect .

  19. 灰砂蒸压加气混凝土应力&应变全曲线的试验

    Experimental study on the stress-strain curve of Autoclaved Aerated Sand Lime Concrete

  20. 蒸压灰砂砖产品性能和砌体力学性能试验研究

    Product and mechanics performance test research for autoclave sand-lime brick

  21. 灰砂混凝土促硬剂研究

    Study on the hardening agent of lime - sand concrete

  22. 灰砂砖专用砌筑砂浆的研究

    Study on special masonry mortars for sand - lime bricks

  23. 蒸压灰砂砖应用技术研究

    The Appliance Technical Research on Autoclaved Lime - sand Brick

  24. 浅议蒸压灰砂砖砌体裂缝的控制措施

    Controllable measures of cracks in streaming and pressing brick wall

  25. 蒸压灰砂砖砌体结构设计与施工规程

    Specification for designing and construction of masonry constructed of autoclaved sand-lime bricks

  26. 研究了一种蒸养灰砂砖的制备方法。

    The preparation method of a kind of steamed lime-sand brick was studied .

  27. 碳化对蒸压灰砂砖的微观性能影响研究

    Studies on the Effect of Carbonization on the Microcosmic Performance of Lime-Sand Brick

  28. 蒸压灰砂加气混凝土砌体通缝抗剪强度的试验研究

    Experimental Study on Shear Strength of Autoclaved Aerated Sand Lime Concrete Masonry Walls

  29. 铜尾矿生产蒸压灰砂砖的研究

    Study on Autoclaving Lime Sand Brick Using Copper Tailing

  30. 抗渗压力在灰砂比为1∶2时取得最大压力值;

    Impermeability pressure gets maximum value when cement-sand ratio is one to two .