水化速度

本文用X射线衍射峰形方差法测定了掺杂β-C2S的晶粒尺寸和微观应力，用测定结合水量法测定了掺杂β-C2S的水化速度。

In this paper the size of doped β - C_3S crystals and the micro-stress have been determined by peak-figure-variance analysis of XRD , and the rate of hydration has been measured according to the quantity of combined water .

电导法测定G级油井水泥水化速度

Hydration rate of class G oil-well cement measured by electrical conductance

控制高温情况下矿渣MTC的水化速度是解决MTC固化体开裂的基本途径。

It is a basic approach by controlling the hydrating velocity of the slag MTC in the high temperature .

研究了掺加木质素磺酸钙（calciumlignosulfonate，CLS）后水泥净浆体系的水化速度、水化产物生成量，以及硬化水泥石的微观结构及孔隙结构的变化。

Hydration rates and hydration products of cement paste , microstructures and pore structures of hydrated cement blended with calcium lignosulfonate ( CLS ) were studied .

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 .

借助于DTA，XRD与SEM分析，可知矿渣经过超细粉磨后，水化速度加快，在水化28d内对水泥有增强作用。

Analysed by DTA , XRD and SEM , after slag was ground to ultrafine , its hydration was speeded up , and the strength of cement within 28d was enhanced .

提出了随温度升高水泥水化速度加快，并在较高温度下C3A、C3S、C2S放热峰存在相互重叠的趋势；

Conclusions such as hydration rate and hydration process can be accelerated with the increase of temperature , and at higher temperatures there are the trend to overlap the exothermic peaks of C3A , C3S and C2S one another are given .

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：激发剂有效地激发了粉煤灰的活性，促使粉煤灰SiO和AlO键的断裂，加快粉煤灰水泥水化速度；

The results of our experiment show that these two activating agents not only effectively activated the activity of fly ash by breaking the bonds between Si-O and Al-O , but also quickened the speed of fly ash cement hydration .

影响硅酸盐水泥水化速度的因素

Factores of effect on hydration rate of the Portland cement

激发剂能加快高掺量粉煤灰水泥的水化速度。

Excitant can increase the hydration rate of cement binders .

粒径分布对水泥水化速度的影响的理论探讨

Influence of particle size distribution on hydration of cement

浆体后期水化速度减慢，表现为后期强度增长不大；

And the main is the later . The increasing speed of later strength is slow and the hydration speed is decreased .

硅酸二钙水化速度缓慢，不可能靠它的水化在较短时间内获得明显的强度。

The hydrating rate of dicalcium silicate is slowly , the remarkably initial strength of red mud heap can not be achieved by this process .

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 experimental results indicate that steam curing condition increases early hydration velocity of cement-fly ash composite binders and improves compressive strength of hardened pastes .

提高水泥细度使其水化速度加快，但水化反应热降低。反应热喷涂的发展

With finely ground cement taken in the OBCSs , the hydration of cement accelerates but the hydration heat evolved decreases . Advance in Reactive Thermal Spraying

比表面积为453m2/kg的矿物微细粉，可有效提高水化速度，从而对混凝土强度及坍落度有所贡献。

The super-fine powder of mineral slag , 453 m2 / kg in specific area , can speed hydration and do good to strength and slump of the concrete ;

通过微观分析，证实了石灰石硅酸盐水泥早期水化速度较快，具有早期强度较高的特点。

The results of micro-analyses indicated that the hydration speed of portland limestone cement is faster , as well as the strength of the cement is higher at early stage .

以工业石灰为原料，研制开发了石灰质耐火材料，并成功地延缓其水化速度以满足工业生产的需要。

With industrial lime as the raw material , a kind of lime refractory , which can successfully delay hydration and meet the requirements of industrial production has been development .

研究表明：粉煤灰通过改变胶凝材料体系水化速度、徐变系数、弹性模量，可以有效抑制早期混凝土的自收缩。

The research shows that fly ash could restrain early autogenous shrinkage by changing the parameter of binder , such as hydrated velocity , creep coefficient , elastic modulus and so on .

为便于进一步研究和开发该项技术，本文从速凝无脱水全尾砂浆体的组成材料、反应机理、合成配比设计、水化速度调节等几方面作了较详细的论述。

In order to develop and go further this technology , this paper had a detailed discussion on it in such aspects as the composites of quick-setting , non-dewatered and full tailings slurry , reaction mechanism , mixture ratio design and the regulation of hydration velosity etc.

XRD法研究水泥水化反应速度

XRD Study of Hydration Rate of Cement

差示扫描量热分析表明，RPC的水化反应速度很快，主要的水化过程集中在较短时间内；

The DSC showed the reaction rate of RPC was very fast and main hydration process focused in shorter time ;

本文研究了水温与水泥中游离氧化钙（f－CaO）水化膨胀速度、水泥胶砂强度和混凝土强度的相互关系；

In this paper , the relationships between water temperature for managing specimens and hydration expansion rate of f-CaO in cement , cement mortar strength and concrete strength have been studied .

因固化剂B是作为加快水泥水化反应速度的催化剂而加入的，所以，固化剂B的加量以控制在5%以下为好。

The best amount of solidified agent ( SA ) A is 3 % , the amount of SA B should be controlled under 5 % because SA B is added into CHG as a catalyst increasing action rate of cement hydration .

CSH的生长速度是加速期水化反应速度控制的主要因素。

The growth rate of CSH is the main factor that controls the hydration rate of ( acceleratory ) period .

加入适量粉煤灰-矿渣基激发胶凝材料，提高水化反应速度并生成更多的托贝莫来石和CSH（I）等水化产物，进而提高砖的力学强度。

The addition of alkali-activated slag / fly ash cementing material can increase the hydration reaction to produce more tobermorite and CSH ( I ) so as to improve the mechanical strength of the brick .

HBC在1～7d内的水化反应速度较慢，但7d后的增进速度较快，6个月水化程度明显高于PC。

The hydration rate of HBC during the period of 1 & 7 days is relatively low , but will accelerate later after . The hydration degree of the cement hydrated for 6 months is remarkably higher than that of PC.

在无熟料水泥中，激发剂的种类和数量是决定其水化反应速度和品质的关键。

In the non sintered cement , the kind and amount of stimulator determines the reaction speed and quality .

理论和试验结果分析表明，掺合料取代水泥时，浆体早期抗压强度的提高取决于掺合料自身参与水化反应的速度和水化产物的数量。

The theory and test results demonstrated that the improvement of the early compressive strength of the paste depends on the hydration rate of mineral admixtures and amount of the hydration resultants .