早强组分可缩短水泥凝结时间,但掺量不宜太大;
The accelerator can shorten the setting time, the dosage yet can not be too much.
研究了不同掺量、不同细度的几种粉煤灰对水泥凝结时间的影响。
The effect of several fly ash with different amount and fineness on the setting time of cement is studied.
上述外加剂对砂浆强度和水泥凝结时间的影响也是本研究的部分内容。
Effect of the above admixtures on strength of mortars and setting of cement paste were measured.
分析了水泥浆液中掺入水玻璃对水泥凝结时间和无侧限抗压强度的影响。
The paper analyzed the influence of cement-silicate on setting time and compressive strength.
复经水泥凝结硬化在砼中形成一种多孔结构,这程砼称之为载气体多孔砼。
Then it is followed by cement setting and hardening and a cellular structure is formed in the concrete, which is called gas-carrier cellular concrete.
结果表明,三元复合缓蚀剂具有良好的缓蚀效果且不会对水泥凝结时间和强度产生不良影响。
The results show that composite inhibitors have excellent corrosion inhibition efficiency and won't give bad effect on cement setting time , flexural strength and compressive strength.
将活化煤矸石掺入硅酸盐水泥中,水泥凝结时间延长,胶砂强度随着活化煤矸石掺量的增加而降低;
The setting time of portland cement was extended with the content of the activated coal gangue increasing. And mechanical properties decreased with the increase content of coal gangue;
研究了矿渣、粉煤灰和烧页岩单掺及复掺对高阿利特水泥凝结时间、抗压强度、电阻率、水化产物组成及微观结构的影响。
The effect of slag, fly ash, and calcined shale on setting time, compressive strength, resistivity, composition and microstructure of hydrated product of alite-rich Portland cement were studied.
这种水泥与水混合后会产生化学变化而凝结硬化。
The cement combines chemically with the water it is mixed with, then hardens and strengthens.
介绍了石膏含量对含钡铁铝酸盐水泥的水化、抗压强度和凝结时间等性能的影响。
The effect of gypsum content on the hydration, compressive strength and setting time of Ba-bearing aluminoferriate cement was presented.
研究发现,磷渣掺量由20%增至60%时,水泥抗折和抗压强度均大幅下降,凝结时间随磷渣掺量增加而显著延长。
The results showed that the cement strength would be decreased and setting time increased drastically if the content of phosphor slag increased from 20% to 60%.
介绍了细水泥浆液及其结石的物理力学特性(粘度、稳定性、凝结时间、抗压和抗渗强度等)的改性研究成果。
The study results on mechanical properties of fine cement grout and its calculus, including cohesion, stability, setting time, compressive resistance and impervious strength, etc.
研究结果表明,二水石膏对不同窑型水泥的凝结时间的影响类似,对立窑熟料的敏感性要大于回转窑熟料。
The results show that effect of gypsum on the setting time of different cements is similar and shaft kiln clinker is sensitive to gypsum larger than rotary kiln clinker.
研究了使用双快水泥和缓凝剂配制混凝土的凝结硬化性能和强度性能。
This paper studied the setting and hardening property and strength property of concrete prepared by fast setting and hardening cement and retarding admixture.
在较大水灰比,一定浓度FDN高效减水剂及密闭条件下,上层水泥浆体会长时间不凝结。
Under the conditions of higher water-cement radio, a certain consistency FDN high-range water reducer and hermetic surrounding, the cement paste did not set in a long time.
阐述阻碍水泥刨花板凝结与硬化的主要因素。
Main factors affecting setting and hardening of cement particleboard are expounded.
研究了磷酸盐、含钙材料对水玻璃—矿渣水泥的凝结时间的影响。
This paper studies the influence of phosphate, calcareous material on set time of water glass-slag cement.
考察了SAE对水泥砂浆的密度、吸水性、凝结时间以及水泥水化速度的影响。
The effects of SAE on the density, absorbency, setting time and cement hydration of cement mortars were studied.
固化磷石膏磨制的水泥和天然二水石膏磨制水泥相比,二者的凝结时间最接近,强度有一定的提高。
Cement prepared with solidified phosphogypsum as retarder had similar setting time as cement prepared with natural gypsum and higher strength than them.
结果表明,矿渣细粉对水泥标准稠度需水量基本没有影响,但延长了水泥的凝结时间。
The results showed that the ultrafine slag did almost not influence the needed water of cement, but it postponed the setting time.
本标准规定了水泥标准稠度用水量、凝结时间和由游离氧化钙造成的体积安定性的检验方法。
This standard specified the testing methods of water requirement of normal consistency, setting time as well as soundness of portland cements caused by free calcium oxide.
该水泥烧成温度低、凝结时间快、早期和后期强度都高、耐侵蚀性能好。
The cement has advantages of low sintering temperature, fast coagulation time, high initial and later strength and good corrosion resistance.
试验结果表明,水玻璃能显著加快水泥浆的凝结时间。
The results showed that silicate can significantly speed up the setting time of cement grout.
研究了影响碱-粉煤灰-碱矿渣水泥(AAFSC)的强度的因素。测定了其凝结时间。
The influence factors of Alkali - activated - Fly ash - Slag cement (AAFSC) on strength were investigated and the setting time of AASFC was determined.
研究了当水泥中混入隔热防水粉后 ,隔热防水粉对水泥标准稠度用水量、凝结时间及体积安定性的影响 。
The effect of the amount of water needed under the cements normal consistency, setting time and volume stability were investigated when heat insulation and waterproofing powder was added in cement.
在水泥中加入磷石膏做缓凝剂,对凝结时间影响较大,但对强度影响不太明显;
Phosphorous gypsum makes cement condensation time prolonged, while give no evidence influence on cement strength.
结果表明,加入SAE使水泥砂浆的表观密度降低,吸水率下降,并且明显延缓了水泥的凝结时间及水化速度。
The results show that the SAE copolymer emulsion not only reduce the apparent density and absorb water rate of cement mortar, but significantly retard the setting and the hydration of portland cement.
结果表明:石灰石的加入,提高了高沸石水泥的早期强度,降低了水泥的标准稠度、凝结时间及干缩率。
It has been shown that limestone can reduce drying shrinkage, standard consistency and setting time of high zeolite cement.
对注浆加固公路路基用的水泥浆体从稳定性、流动度、粘滞度、凝结时间、析水率等方面进行了研究。
In this paper, the behavior of grouting cement mortar to reinforce highway subgrade is analyzed from the aspects of stability, fluidity, viscosity, bleeding ratio and setting time of cement mortar.
通过选用柠檬酸、白糖、葡萄糖酸钠为矿渣硅酸盐水泥的缓凝剂,测定了不同温度下水泥的凝结时间,分析了温度对混凝土缓凝剂最优掺量的影响规律。
The cement setting time at different temperatures has been measured through choosing citric acid, sugar and sodium gluconate as the retarders of iron Portland cement.
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