Enhancement mechanism of S-activator on high calcium PFA expansive cement;
S-激发剂对高钙粉煤灰膨胀水泥的增强机理
The prelinminary study of using high calcium fly ash resource to produce expansive cement;
利用高钙粉煤灰生产膨胀水泥的初步研究
The application of expansive cement in pipe joggles;
膨胀水泥在管道接口中的使用
Anti-channeling cementing technology of expansion cement for well no.89105;
89105井膨胀水泥防水窜固井工艺
The results show that being expansion agent, the expansion cement can be obtained by adjusting quantity of the cement of Q Phase- CA-C_ 12A_7 and SO_3.
研究表明 :Q相 CA C1 2 A7水泥能够作为膨胀组分 ,通过调节Q相 CA C1 2 A7水泥和SO3的量 ,得到所要求的膨胀水泥。
The effect of ettringite structural transformation on expansive behavior of expansion cement was found.
100℃以下的湿热条件下,钙矾石可生成和稳定存在;(2)尽管100℃以下的干燥条件膨胀水泥混凝土的强度不降低,但膨胀会完全丧失,甚至产生负膨胀。
Based on our research on the mechanism of the prevention of the breakthrough of gas,an N2 expansion cement slurry was developed.
研制开发出了氮气膨胀水泥浆体系,在该水泥浆体系中,氮气膨胀剂由含氮有机物、稳定剂和惰性材料组成,注入井下后,在一定的温度和水泥浆的碱性条件下开始发气。
Experimental study on autogenous volume deformation of double-swelling cement concrete;
双膨胀水泥混凝土自生体积变形的试验研究
The experimental study on performance of expansive cement concrete;
中低热微膨胀水泥混凝土性能试验研究
Using cement hydration mechanism and gradation composition principle,design methods of anti-cracks base were put forward with expansive cement and skeleton and dense structure gradation;technologies of continuous construction of two layers and saw cracks in advance were used.
针对我国水泥稳定半刚性基层存在裂缝的突出问题,研究水泥水化机理和级配组成原理,提出了微膨胀水泥+骨架密实级配的基层防裂设计方法,提出了双层连续施工+预锯缝的施工工艺。
testing method for restrained expansion of expansive cement mortar
膨胀水泥浆的抑膨胀试验方法
expansive cement concrete pavement
膨胀水泥混凝土路面
Effect of fly ash on expansion of MgO expansive cement and its mechanism
粉煤灰对氧化镁微膨胀水泥膨胀性能的影响及机制
The long-term expansion of harden expansive cement paste should mainly attribute to the water absorption of gel-alike AFt.
膨胀水泥硬化浆体的后期膨胀主要依靠凝胶状AFt吸水肿胀而形成驱动力。
Experimental Study on Dry Density and Free Swelling Ratio of Cement-Treated Expansive Soil
水泥改性膨胀土干密度与自由膨胀率试验研究
Review on the Expansion Mechanism of Cement Paste Mixed with MgO-type Expansion Agent
掺MgO膨胀剂水泥浆体膨胀机理研究述评
Influence Factor of expansion rate of cementitious material added by expansion admixture
掺膨胀剂水泥基胶凝材料膨胀率的影响因素
expanded vermiculite thermal insulating cement
利用膨胀蛭石的绝热水泥
testing method for autoclave expansion of portland cement
水泥压力蒸汽膨胀度试验方法
cement-filled inflatable casing packer
注入水泥的膨胀式套管封隔器
STUDY ON THE EXPANSION OF ALITE-CALCIUM BARIUM SULPHOALUMINATE CEMENT
阿利特-硫铝酸钡钙水泥膨胀性的研究
Study and analysis on sludge bulking in municipal wastewater treatment plants
城市污水处理厂的污泥膨胀研究分析
Solution of Sludge Bulking in Treatment of Wastewater from Papermaking Mill
造纸厂废水处理污泥膨胀的解决实例
Study on Expansion and Tenacity Character in Oil-well Cement Mixing Slag;
具有膨胀和增韧性能的矿渣油井水泥的研究
Influences of MgO-based Expansive Agent on the Deformation Behavior of Cement Pastes
轻烧MgO膨胀剂对水泥浆体变形行为的影响
Influence of Expansion Agent on the Dry Shrinkage Performance of Cement-stabilized Macadam
膨胀剂对水泥稳定碎石干缩性能的影响
Adjustment of Thermal Expansion Behaviour of Hardened Cement Paste and Its Mechanisms
硬化水泥石热膨胀性能的调节及其机理研究
Regression analysis on early deformation of cement paste containing MgO expansive agent
掺MgO膨胀剂水泥浆体早期变形的拟合与分析