减水剂
- 网络FDN;water reducer;superplasticizer;Water-reducing admixture
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对采用掺加矿物掺和料和高效减水剂双掺技术配制的高性能混凝土进行耐久性试验研究;
For the double mix high properties concrete which mixed into mineral and FDN we tested its enduring .
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AH高效减水剂制备及其作用机理研究
Synthesis of AH High Performance Water Reducer and Study of Its Action Mechanism
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试验P~Y曲线的弯矩函数拟合法芳烃系减水剂的研究
Method of Calculating Experimental P-Y Curves for Test Piles-Fitting Moment Function Method
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以C(10)重芳烃为原料生产SF高效减水剂
Production of SF water reducting agent from c_10 heavy aromatic hydrocarbons
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超临界CO2下含氟聚羧酸类减水剂的合成及性能
Synthesis of Polycarboxylic Superplasticizer Containing Fluorine under Conditions of Supercritical CO_2 and Its Performance
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掺萘系高效减水剂水化硅酸钙的X射线光电子能谱研究
Study on calcium silicate hydrates contained naphthalene-type organic complex molecule by X-ray photo electron spectroscopy
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讨论了聚羧酸系减水剂(PC)的性能特点和应用趋势。
The performance and application trends of polycarboxylate based plasticizer ( PC ) is discussed .
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掺TH复合高效减水剂配制高标号混凝土
Produce High Grade Concrete by Adding TH High Efficient Compound Water Reducer
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减水剂对高C3S水泥初始水化历程的调控及其作用机理
The influence of water reducer to the early hydration of high c_3s Portland cement
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减水剂对超低水泥Al2O3-Cr2O3-ZrO2质浇注料物理性能的影响
Effect of water-reducing agents on physical properties of ultra-low cement Al_2O_3-Cr_2O_3-ZrO_2 castable
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本试验中w减水剂的最佳掺量为0.75%。
The best content of the water reducing agent is 0.75 % in this experiment .
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NF与木钙复合减水剂的效果研究
Research on Compound Water reducer of NF and Ligneous Calcium Sulphonate
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氨基磺酸系减水剂对水泥水化过程影响的XRD实时分析
The Sulfamic Acid Series Superplasticizers to the Hydration Process of Cement was Analyzed on Real Time by XRD
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显然,水泥中的C3A对减水剂效果的影响最大。
These show that C_3A content is the most vital factor which influences the effect of WRA .
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磺化苯酚-甲醛缩聚物型(SPF)高效减水剂合成及分散性能研究
Research on Synthesis and dispersivity of sulphonated phenol-formaldehyde high-efficient water reducer
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NF脂肪族系高效减水剂系是以丙酮、甲醛为主要原料,辅以适量磺化剂、引发剂,在一定反应条件下合成的新型高性能减水剂,是一种羟基磺酸盐高缩合物。
NF acyclic superplasticizer has been made mainly of acetone and formaldehyde under certain reaction conditions .
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用Marsh筒法研究水泥与减水剂的适应性问题
Study on the compatibility of cement with water reducer by Marsh cone method
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含MPEG侧链的聚羧酸系高效减水剂性能
Performance of Polycarboxylic Superplasticizer Grafted with MPEG Side Chains
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采用微波法合成了腐殖酸钠-丙烯酰胺-丙烯酸钠共聚物减水剂,研究了减水剂单体配比、pH值以及加入量对陶瓷减水效果的影响,并对其机理进行了探讨。
The sodium humate-acrylamide-sodium acrylate ceramic water-reducing agent was synthesized by microwave radiation , and the effects of initiator content , pH and add amounts were studied .
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采用X射线荧光光谱方法(XRF)研究萘磺酸钠聚合物(PNS)高效减水剂在水泥颗粒表面的吸附。
The adsorption of polynaphthalene sulphonate superplasticizer ( PNS ) on the surface of cement particles is studied by using X-ray fluorescence ( XRF ) analysis .
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结果表明,ASP是一种非引气型高效减水剂,不能降低水的表面张力;
The results indicate that ASP is a type of non-air entraining superplasticizer and it can not reduce the surface tension of water .
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C3A和C4AF在蒸馏水中的ξ电位为正值,在减水剂溶液中的ξ电位则随溶液浓度的增加而迅速降低。
However , as the concentration of WRA increases , the ζ potentials of C_3A and C_4AFdecrease rapidly .
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针对超早强的性能要求,试验比较了不同早强剂及早强性掺合料的性能表现,研制了早强性能显著、与高效减水剂和水泥相容性较好的RF掺合料;
According to the request of super high early strength , admixture RF is obtained though tests to compare performances of different accelerators and admixtures .
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另外比较了TSH与普遍使用的萘系高效减水剂SN-Ⅱ的一些主要性能指标。
Some important properties of TSH are compared with that of normally used naphthalene-based superplasticizer SN - ⅱ .
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本文对复合密胶树脂型高效混凝土减水剂的合成条件反应摩尔比、pH及温度等进行了较详细地讨论,便于此产品的推广利用。
The synthetic conditions of the melamine resin high-power concrete water reducer such as the molar ration , pH and temperature ect , was introduced in order to make use of the product .
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因此,GTO可作为硅溶胶结合浇注料的高效减水剂。
This proves that GTO can be used as an excellent dispersant for silica sol-bonded castables .
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ZS系列反应性高性能减水剂的研究
Research on ZS series of reactive Water-reducer with high performance
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HMS型系列高效减水剂
HMS Series High Range Water Reducing Agent
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介绍了BS型非萘系高效减水剂的制备方法以及对水泥拌和物性能的影响。
Here presented are preparation of BS non-naphthalene series high range water reducing agents and its influence on properties of cement mix .
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经试验表明,在砼中复合掺加膨胀剂和高效减水剂,可制得强度等级为C30,抗渗等级P>25的大体积防水砼。
Large volume waterproof concrete with C30 strength grade and seepage resistance P > 25 can be mixed by adding expansion agent and reduce-water agent .