研究了硅灰对硬化水泥浆体早期收缩的影响 。
Influence of superplasticiser on early shrinkage and total shrinkage of concrete;
在粗骨料和硬化水泥沙浆之间有许多微裂纹。
There are many micro-cracks between the stones and the ossified cement grout.
运河工程师Canvass White解决了一个施工难题,他发明了水下硬化水泥。
Canal engineer Canvass White solved one of the construction obstacles when he discovered how to create a cement that hardened underwater.
通过断裂韧性分布特性的研究,将为粗骨料与硬化水泥浆体界面概率断裂分析与施工控制提供了参考依据。
The study results could be used in the probability fracture analysis and construction quality control of interface between coarse aggregate and hardened cement mortar.
GCL1与保水剂hec、引气剂复配时,改善了水泥净浆的保水性能,提高了硬化水泥的早期及后期抗压强度。
When GCL1 combined with water retaining admixture HEC and air entraining agent, it will further improve the water retaining performance and increase the early stage and long term compressive strength.
因而在硬化水泥浆体浸水后,主要水化物在水中不发生分解反应而稳定存在、避免了水对氯氧镁水泥石的水化物和结构的破坏作用。
Thus, when the hardened MOC pastes are immersed in water, the hydrate phases in them will not be decomposed by water, their strength can not suffer from declining in water.
再生和再度硬化会使破损的水泥再次变得牢固起来。
The regrowth and re-hardening makes the broken concrete strong again.
化石是在50英尺深的石灰岩层里,它形成在大约百万年前由于海水泥沙沉淀物的堆积硬化。
The fossils were found in a seam of limestone that was 50 feet thick and was created when ocean sediments solidified millions of years ago.
应用分形学与粘弹性力学对含钙矾石和水镁石膨胀源的水泥硬化浆体的膨胀机理进行了研究与分析。
The expansion mechanism of hardened cement paste with double expansion sources of entringite and brucite was studied by using theory of fractal geometry and viscoelasticity.
在相对稳定的温度下,确保夯实墙的最小湿度,以保证水泥的水化和夯实墙的硬化。
B. Maintain rammed earth with minimal moisture loss at relatively constant temperature for period necessary for hydration of cement and hardening of rammed earth.
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.
硬化混凝土地坪中,节约水泥用量,施工中不提浆,增加强度和耐磨耐久性作用。
For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.
例如,碳水泥比波特兰品种更能避免二氧化碳硬化。
For example, the carbon-negative Ferrock cement is stronger than the Portland variety and sequesters carbon dioxide as it hardens.
因此为模拟复杂条件下的水泥水化、硬化过程提供了另一种可行的方法。
So it provides another feasible measure to stimulate the process of cement's hydrating and hardening under complex situation.
通过多种外加剂的复合,研究了几种以“UNF5”为主体的复合外加剂及其对改善水泥水化硬化性能的复合效应。
The composite effect of admixtures, which are mainly composed of UNF5 admixture for modifying the hydration and hardening performance of cement, is investigated through composing several admixtures.
利用物相分析技术,研究粉煤灰—水泥硬化浆体的组成、形貌以及HPC在荷载作用下的腐蚀产物。
Using physical phase analysis technology, the component and shape of fly ash cement hardened paste and the offspring of HPC bearing load faction is researched.
SEM图像表明,掺超缓凝剂的水泥硬化结构更加致密。
SEM photographs indicate that the microstructure of hardening cement with super-retarding agent is more compact.
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.
对硬化粉煤灰水泥浆体的微结构也进行了探讨。
The microstructure of hardened cement pastes with and without admixture was also investigated.
说明了这四种方法是研究水泥水化硬化规律的有效手段。
Explained that these four methods are rule the effective methods in study the cement hydration reaction.
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.
研究了转炉钢渣粉对矿渣粉-硅酸盐水泥混合胶砂硬化体收缩特性的影响。
The effect of converter steel slag powder(CSSP), on the shrinkage characteristic of hardened GGBFS-PC mixed mortar is studied.
水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合,经一定时间硬化而成的一种人造石材。
Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
在分析资料和室内试验的基础上,概括了提高水泥黄土强度的有效措施,就水泥黄土硬化和外加剂对水泥黄土的作用机理进行了初步探讨。
Based on all the above, the effective measures increasing strength of loess cement are presented, a model of hardening reaction and how the additives affect in loess cement are studied, too.
施工完毕后,希望水泥能尽快硬化,产生强度,所以终凝时间不宜太长。
After the completion of the engineering project, the hope cement hardening, as soon as possible to produce strength, so the final setting time shoulds not be too long.
高效砂浆塑化剂是一种新型的水泥砂浆专用外加剂,掺入后不仅能明显改善新拌砂浆性能,而且能提高硬化砂浆的性能。
High range mortar plasticizer is a new special additive for cement mortar. Its addition can not only obviously improve performance of fresh mortar but also increase performance of hardened mortar.
通过汞压入法(mip)和扫描电镜(sem)等现代测试方法对矿渣油井水泥的水化硬化特性和机理进行了研究。
By modern test methods like mercury intrusion pore measurement (MIP) and scanning electron microscope (SEM), the hydration and hardening mechanism of the slag cement was analyzed.
通过汞压入法(mip)和扫描电镜(sem)等现代测试方法对矿渣油井水泥的水化硬化特性和机理进行了研究。
By modern test methods like mercury intrusion pore measurement (MIP) and scanning electron microscope (SEM), the hydration and hardening mechanism of the slag cement was analyzed.
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