Hydrated performance and microstructure of portland cement with low water cement ratio;
低水灰比下硅酸盐水泥的水化性能和微观结构
The hydration degree of Portland cement under the condition of low water cement ratio was tested,and the microstructure of hardened cement paste was studied by means of XRD and SEM.
研究了低水灰比硅酸盐水泥的水化程度,并利用XRD和SEM分析了硬化水泥浆体的微观结构。
Influence of W/C for volume method in the design of mixture proportion;
水灰比在采用体积法进行透水混凝土配合比设计中的作用
By mixing the self-matching air-entrancing agent and admixture technique,it researched on the effects of air entrancing quanlity,fly ash quanlity,mortar paste ratio,W/C on the fluidity and strength of EPS light concrete.
采用掺加自配引气剂和掺合料技术,研究引气剂掺量、粉煤灰掺量、胶砂比、水灰比对EPS轻混凝土的流动性以及强度的影响。
This article tries to discuss the effect on concrete setting-time in the aspects of water requirement,W/C,the use of fly ash and admixture.
在预拌混凝土的生产中混凝土的凝结时间是一项重要的技术指标 ,本文试图讨论用水量、水灰比、粉煤灰和外加剂等因素对混凝土凝结时间的影响。
This paper discusses selecting and compounding of water/cement ratio by monolinear regression analysis method, and analyzes concrete example to populanize its application and to make the design of cement/concrete ratio more scientific and accurate.
对用一元线性回归分析法来选择配制水灰比进行了研究,并且进行了实例分析,以推广一元线性回归分析法的应用,使水泥混凝土配合比设计更科学、更准确。
Effects of water/cement ratio,mixing water temperature and organic agents on sulphoaluminatecement slurry performance are discussed with the method to adjust its perforn1ance proposed.
讨论了水灰比、拌浆水温和有机处理剂对硫铝酸盐水泥浆性能的影响，提出了该水泥浆性能的调节方法。
Through many tests and strength analysis, the effects of water/cement ratio and cement/sand ratio on the rate of concrete sulfate attack were investigated.
通过大量试验,采用强度指标研究了试件水灰比和胶砂比对硫酸盐侵蚀速度的影响。
Hydrated performance and microstructure of portland cement with low water cement ratio
低水灰比下硅酸盐水泥的水化性能和微观结构
Experiment Research on Long-term Performance Stability of Low Water-cement Ratio High Strength
低水灰比高强混凝土长期性能稳定性试验研究
Analysis of Relative Humidity Change in Low Water-cement Ratio Concrete
低水灰比混凝土内部相对湿度变化规律研究
Produce low alkali cement with wet fly ash
用湿排粉煤灰代替黏土生产低碱水泥
Electrochemical Study of Pozzolanic Activity and Water Requirement Ratio of Fly Ash
粉煤灰火山灰活性与需水量比的电化学研究
Influence of water to binder ratio and content on fly ash activity factor
水胶比和粉煤灰掺量对粉煤灰活性因子的影响
Aging Time and Ash-Water Rate Affected to Fly Ash Synthesized A Type Zeolite
陈化时间及灰水比对粉煤灰合成A型沸石的影响
Experimental study on the preparation of low calcium fly ash waterproof coating
水泥基低钙粉煤灰防水涂料制备试验研究
With limestone the pressure is a little lower than with crystalline stones.
对于石灰石的压力要比结晶体的压力稍低一点。
Proportion of Cement-Fly Ash in Crushed Stone Road Course Stabilized with Cement and Fly Ash
水泥-粉煤灰稳定碎石路面基层中水泥与粉煤灰的比例
Study on Preparation of Lowly Hydrated Zinc Borate from Zinc Ash
用炼锌厂锌灰为原料合成低水硼酸锌的研究
Research on producing Portland Cement 425~# with low grade limestone
用低品位石灰石烧制425号硅酸盐水泥的研究
To Produce High-quality Cement with the Low Grade Limestone;
用低品位石灰石配料生产优质水泥熟料
Development and Application on Equipment to Reduce Mine Water Hardness with Lime Method
石灰法降低矿井水硬度设备的研制与应用
A successful practice of using lower grade limestone as raw material in cement production
低品位石灰石作为水泥生产原料的成功实践
Durability of High Volume Fly Ash Concrete with Low Water Binder
低用水大掺量粉煤灰高性能砼的耐久性研究
Preparation of Clinkers Using Flue Gas Desulphurization Gypsum as CaO Resource Substituting Limestone at Low Sintering Temperature
脱硫石膏取代石灰石低温制备水泥熟料的研究
Influence of ratio of water to cement on corrosion of steel bar in hydraulic concrete
水灰比对水工混凝土中钢筋锈蚀的影响