The interface of the cement paste and aggregate is the weak tache of HPC.
水泥石本体与骨料的界面一直都是混凝土抗裂的薄弱环节。
The content of soluble alkali in cement paste is lower than the optimal one.
水泥中所含可溶碱含量低于最佳可溶碱含量。
Stemming from the washing sieve, a test method of cement paste agglomeration (CPA) was proposed.
由水筛法得到启示，提出了一套水泥净浆结粒的检测方法。
Effect of the above admixtures on strength of mortars and setting of cement paste were measured.
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。
Mechano electric effect of cement paste under low load to breakage was investigated in this paper.
研究了水泥净浆从小载荷直至破坏时的力电效应。
The technique of the steel tube stake grouted with cement paste is used to consolidate the ground.
采用压浆钢管桩技术加固原有基础，使结构不再继续发生不均匀沉降。
The microstructure of hydrate of cement paste was studied by FTIR reflection spectrum of microscope.
利用红外显微镜反射光谱研究水泥浆体的水化产物微结构。
The molecular weight and sulfonation degree of SPS have little effect on the cement paste properties.
SPS的相对分子质量和磺化度对水泥净浆的性能几乎没有影响。
Light weight aggregate concrete (LWAC) is composed of light weight poriferous aggregate and cement paste.
轻集料混凝土(LWAC)由轻质多孔集料和水泥石胶结而成。
The mechanism of thermal expansion of hydraulic cement paste is also re searched with DSC/TG and XRD methods.
借助于DSC/TG和XRD测试手段，对水泥石的热膨胀性能变化规律进行了机理分析。
In this paper, the test method of the linear thermal expansion coefficient of hardened cement paste is studied.
本文研究了水泥石线性热膨胀系数的测试方法，并针对本试验方法制定了相关的试验制度。
By blending Portland cement and pulverized dehydrated cement paste, a new kink of cementing material is obtained.
把脱水水泥浆与水泥熟料或硅酸盐水泥复合，可以得到一种新型的水硬性胶凝材料。
The water absorption and desorption properties of two shale ceramisites in water and cement paste were investigated.
研究了两种吸水率不同的陶粒在水中和水泥浆中的吸水返水特性。
The effects of five common set-retarders on setting time of cement paste and concrete and strength of concrete are studied.
论文分别研究了木钙、糖钙、酒石酸、焦磷酸钠和蔗糖共五种常用缓凝剂对水泥净浆凝结时间、混凝土凝结时间及强度的影响。
Stirring viscosimeter is employed to research the rheological property of fresh cement paste with different superplasticizers.
用旋转粘度计法研究了掺加不同高效减水剂的新拌水泥浆体的流变性能。
The results indicate that with the increase dosage of fly-ash, the loss of water and drying shrinkage of cement paste increase.
结果表明：随粉煤灰掺量的增加，净浆失水率及干缩率随之增大。
Total porosity of coal gangue cement paste is higher but its pore size at later age is smaller than that of reference cement paste.
与基准水泥浆体相比，煤矸石水泥浆体总孔隙率有所上升，但其孔径后期有所细化。
The retarding properties of cement paste with the super-retarding agent have been characterized and analyzed by means of XRD and SEM.
方法利用XRD和SEM等微观手段，对掺入超缓凝剂水泥砂浆的缓凝性能进行了测试和表征。
A new method of volumetric deformation measurement is proposed, which can measure the shrinkage of cement paste from initial setting.
提出了密封试样细管排液的体积变形测定方法，该方法可测定水泥石自初凝起的收缩。
Flocculated cement structure enclosing lots of water can be found in cement paste, which will influence fluidity and strength of concrete.
新拌水泥浆体中，水泥颗粒互相粘结形成包裹水的絮凝结构，严重影响了混凝土的工作性和强度。
Expansive cement paste and joint concrete are next. And the bond splitting tensile strength of joint surface without bond material is least.
其次是水泥膨浆和接缝混凝土，接缝面不铺筑任何接缝面材料的试块，劈裂抗拉强度最小。
The el cts of chemical composition of waterglass on the compressive strength and pore structure of alkali slag cement paste were investigated.
分析了水玻璃化学组成对碱矿渣水泥浆体抗压强度和孔结构的影响。
One of key factors to ensure the compression-sensibility stableness of CFRC is the dispersion of short carbon fiber (CF) in cement paste uniformly.
在CFRC的制备过程中，碳纤维的均匀分散是决定碳纤维水泥石及混凝土压敏稳定性的关键问题之一。
The interfacial debonding strength between polypropylene filament and cement paste and its affecting factors were studied by use of pull out method.
采用纤维单丝自水泥基体中拔出方法研究了聚丙烯纤维单丝与水泥石之间的界面脱粘强度及其影响因素。
The instantaneous Young's modulus and Poisson (ratio) of the cement paste are calculated by the direct average method and two-scale expansion method.
利用本文中模型和均匀化方法(直接平均法和二尺度展开法)计算了水泥浆体在各瞬时的杨氏模量和泊松比。
The results show that the degree of hydration of fly ash-cement paste is higher and the porosity is lower than pure Portland cement paste in late ages.
结果表明，与纯硅酸盐水泥相比，粉煤灰水泥水化后期的水化程度较高，浆体总孔隙率较低。
Besides, it effectively maintains fluidity of cement paste and decreases concrete slump loss which is attributed to absorption effect of zeolite to FDN.
并且由于其具有FDN缓释效果，还能有效延长水泥的净浆流动度，减少混凝土坍落度的经时损失。
Furthermore, using SAXS together with other experimental methods, it is expected to be helpful in the study of the nature of cement paste comprehensively.
本工作与其它实验研究手段相互补充有助于较全面和深入地了解水泥石的孔结构。
Structure of superplasticizer was characterized by IR and effects of the product on fluidity of cement paste and water reduction for concrete were investigated.
利用IR表征了其结构，并考察了产品对水泥净浆流动度和混凝土减水率的影响。
Structure of superplasticizer was characterized by IR and effects of the product on fluidity of cement paste and water reduction for concrete were investigated.
利用IR表征了其结构，并考察了产品对水泥净浆流动度和混凝土减水率的影响。
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