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- Preventive Effect of Low Alkali Portland Cement on AAR 低碱水泥对碱-集料反应的抑制作用
- Based on the test results of alkali-aggregate using four cements and six aggregates, preventive effect of low alkali Portland eement on AAR is studied. 通过对4种不同碱含量的水泥与六种集料进行的碱-集料反应试验,得出水泥碱含量越低,抑制碱-集料反应的能力越强的结论;
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的,如波特兰水泥
- White's South African Portland Cement Company, Ltd. 怀特南非波特兰水泥有限公司
- West African Portland Cement Plc. 西非波特兰水泥股份公司。
- The Binder usually used today is portland cement. 现在使用较多的是普通水泥。
- The phosphate slag is used as the main raw material to produce road cement with FR - 2 low alkali solid activator. 以磷渣为主要原料,采用FR-2型低碱性固体激发剂,进行了影响磷渣道路水泥强度的因素研究;
- Portland Cement sales, manufacturing plastic sacks. 普通硅酸盐水泥制造销售,塑料编织袋制造。
- It is revealed that the risk of deterioration due to AAR can be minimized and admixture can be chosen more widely when low alkali cement is used in construction. 在工程混凝土中大力推广使用低碱含量水泥,可以减少混凝土中的碱含量,增加外加剂的可选品种和用量,降低碱-集料反应的损害程度。由于所选水泥和集料均为工程常用的品种,该试验具有较大的实用价值。
- Able to set and harden under water,as Portland cement. 在水中变硬的能在水下定型并变硬的,如波特兰水泥
- Portland cement:Binding agent of present-day concrete. 普通水泥:现在所用混凝土的代用品。
- We are seeking portland cement please sent price list. 我们正寻求波特兰水泥,请寄来价格清单。
- Concrete is a mix of gravel, sand, Portland cement and water. 混凝土混合砾石、沙子、水泥和水。
- The adoption of new dry process production technology, "with force" brand cement has high strength, uniformity, and the advantages of low alkali content, in Henan Province has a higher profile. 公司采用新型干法生产技术,“同力”牌水泥有强度高、均匀性好、碱含量低等优势,在河南省具有较高的知名度。
- Portland cement: Binding agent of present-day concrete. 普通水泥:现在所用混凝土的代用品。
- In research and developing, we developed compound cement, low alkali cement, middle thermal cement, new dust collection etc, and study burner, clinker quality and cement grinding technology etc. 科研开发方面如复合水泥、低碱水泥、中热水泥、新式收尘设备的新产品开发以及喷煤管研究、熟料质量和水泥粉磨技术研究等。
- Sorption of 90 Sr, 137 Cs on the pastes of nwe type materials-rich alumina alkali activated slag clay mineral composite cementitious materials(RAAASCM),alkali activated slag cement(AASC), Portland cement(PC) and slag Portland cement(PS) are studied. 研究了富铝碱矿渣粘土矿物复合胶凝材料、碱矿渣水泥、硅酸盐水泥、矿渣硅酸盐水泥浆体对 90 Sr、137Cs的吸附作用。
- Small admixture, completely water soluble, low alkali, apparent reducing effect on the alkali-aggregate reaction. 掺量小、无载体、全水溶、低碱,对碱一骨料反应有明显的减少作用。
- Shrinkage trend of cement containing 10% GGBS is similar to Portland cement. 掺加10%25矿渣时,收缩特征与硅酸盐水泥相似;
- Table II shows relatively low alkali glass compositions being used in various parts of the United States. 现在一些碱含量仅为13%25的玻璃也可以被成功的熔解和用于加工。