Concrete structure crack problem caused by high-early-strength cement is outstanding recently.
近年来,早强型水泥引起的混凝土结构工程裂缝问题日渐突出。
The experiment results indicated that these measures could effectively increase early and later strength of cement.
实验结果表明,该措施可有效地提高水泥的早期和后期强度。
Portland cements are called high early strength or Type III cement.
波特兰水泥被被称作高早期力量或者类型III的水泥。
The result of the research indicates that the high performance concrete produced with this type of cement is of higher early and post strength and the electric flux of the concrete is low.
研究结果表明,应用该水泥配制的高性能混凝土均具有较高的早期强度和后期强度,混凝土的电通量较低。
The problem of the low early strength of Belite cement can be solved by adding minerals which has high early strength or appropriate activation or burning at low temperature.
虽然贝利持矿物早期强度较低,但通过引入早强矿物或加适当的稳定活化剂或低温煅烧等方式可以解决贝利特水泥早强低的问题。
Crystal nuclei made from Pre-hydrated OPC were blended into cement and the effect of the crystal nuclei on the early strength of cement was studied.
用普通水泥以一定方式预水化制成晶核,掺入该水泥中,研究其对水泥早期强度的影响。
The results show that AS cement possesses high early strength, low hydration heat and durability, but its shrinkage rate is higher than that of portland cement.
结果表明,碱-矿渣水泥具有早强、高强、低水化热和高耐久性等优良性能,但是干缩较大;
The result reveals that the activation of slag can remarkably improve the early and final strength of the resultant cement.
研究结果表明,对矿渣进行活化激发可显著提高大掺量矿渣水泥的早期和后期强度。
The addition of cement to the filling materials can improve the early strength of the fillers but make the filling cost at a high position.
在充填料中添加水泥,可提高充填料的初期强度,却使充填成本居高不下。
Super high early strength clinker has been developed and flyash aluminosilicate cement has been produced on the principle of excitation reaction.
以激发反应原理研制的超早强熟料,并用以激发粉煤灰的潜在活性制成粉煤灰硅铝酸盐水泥。
Using the stone waste powder as a cement mixing materials, the early strength of cement was improved, but late strength of cement was reduced.
用废石粉作为水泥混合材时,有利于提高水泥的早期强度,但会使水泥后期强度有所降低。
The calcining temperature and the grinding time of mechanical-thermal complex activation has little influence on the early strength of coal gangue cement, but has great influence on late strength.
机械-热力复合活化的煅烧温度、粉磨时间参数对掺煤矸石水泥早期强度的影响不大,但对后期强度有较大影响。
The invention uses the paper waste to stimulate the mixture's activity and increase the early strength of the mixture so as to produce the cement succedaneum with high intensity.
利用造纸废水激发混合物活性,提高混合物的早期强度,配制出高强度的水泥替代品。
The experimental results indicate that steam curing condition increases early hydration velocity of cement-fly ash composite binders and improves compressive strength of hardened pastes.
试验结果表明:蒸汽养护条件提高了水泥-粉煤灰复合胶凝材料的早期水化速度,并且提高了硬化浆体抗压强度。
The addition of red mud up to 35% is still possible to produce high early strength cement.
当赤泥配比达35%时,可生产高标号早强快硬水泥。
According to the characteristics of micro-fine cement, a compound early strength agent and light weight cement with 1.
根据微细水泥的特点,开发出了适合微细水泥-漂珠低密度水泥体系的复合早强剂和密度1。
The measurement for water cement ratio of fresh concrete is an important method for estimating the early strength of concrete.
新拌混凝土水灰比的检测是推断混凝土早期强度的重要方法。
Super quick setting and super high early strength cement was studied. Amount of microaggregate added in this kind of cement was up to 13%.
本实验研制的超速凝超早强水泥中的微集料掺加量高达13%。
The results show that cement adding is the main factor to effect the early strength of ASLF, the second is proportion of Lime and Fly-ash.
结果表明,水泥掺量是影响二灰碎石早期强度的主要因素,其次是二灰内比。
By use of this technology an early high-strength cement can be obtained without traditional steps "two-grinding and one burning".
该项技术不需传统生产水泥的方法—二磨一烧,就可生产合格的早强、高强水泥。
That results show that the cement is composed of dehydrated hydration products, dehydrated clay and high-early strength minerals.
结果表明,该水泥主要由水化物脱水相、含钙粘土脱水相以及早强矿物等组成;
In this research, a self-developed R-1 early strength repair agent is used to modify performance of cement stabilized debris material and research its road application p.
本研究采用自行研制的R - 1型早强修补剂对水稳碎石材料进行改进,研究其路用性能。
Early Strength Improvement of P. O32.5R Cement By Adding More Admixture.
改进P. O 32.5 R水泥早期强度提高混合材掺加量。
As is shown by the results, compared with the blank cement mortar, the fluidity of cement mortar can be improved by using mineral admixture, but the early strength reduced dramatically;
试验结果表明,与不掺掺合料的基准胶砂相比,矿物掺合料的使用可以提高胶砂的流动度,但同时极大地降低了胶砂的早期强度;
Fly ash cement bears excellent properties except for its lower strength in the early solidification period.
而粉煤灰硅酸盐建材具有许多优良特性,但最大的缺点是早期凝结强度低。
The effects of this admixture on early-age shrinkage properties of concrete and cement mortar strength were investigated in this paper.
对混凝土减缩防水密实剂对混凝土的早期收缩性能及对水泥胶砂强度的影响进行了试验研究。
The invention solves the problems of low early strength, poor slurry flowability and stability and short service life of the traditional non-floating bead pulverized fuel ash low-density cement.
本发明解决了现有非漂珠粉煤灰低密度水泥早期强度低、浆体流动性不好、稳定性差及使用寿命短的问题。
The results show that cement content is the most influential factor of the early compressive strength and aging times have little influence.
对于初期强度,水泥含量影响最大,陈化龄期影响较小;
The results show that cement content is the most influential factor of the early compressive strength and aging times have little influence.
对于初期强度,水泥含量影响最大,陈化龄期影响较小;
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