ettringite
英
美
网络 钙矾石; 矾石; 钙钒石; 硫铝酸钙水化物; 钙铝矾
双语例句
- Research on expansion characteristics of ettringite and lime composite expansive agent
钙矾石-石灰复合型膨胀剂膨胀特性的研究 - The results show that ettringite is one of the main sources for the early strength of this cementing material;
结果表明：钙矾石是海排灰胶凝材料的早期强度主要来源之一； - If the assumed mechanism of pyrocatechol is correct, the inhibited gypsum may react on a later stage and lead to a kind of delayed ettringite formation that could generate expansion and cracking.
如果假定上述机理是正确的，那么被抑制溶解的石膏会在水化后期发生反应，导致延迟钙矾石生成并使水泥浆体产生膨胀开裂。 - The hydration of slag forms water rigid minerals such as ettringite and hydrated calcium silicate, and the strength and water-resistance of the anhydrite binder material are accordingly increased.
矿渣水化形成钙矾石与水化硅酸钙等水硬性矿物，使硬石膏硬化体强度与耐水性提高，矿渣水化与硬石膏水化相互促进； - Comparative Study on Expansion of Undercalcined Magnesia and Ettringite Expansive Agents; The optimum condition for synthesis of ethyl acetate catalyzed by expansible graphite was investigated through orthogonal test.
通过正交实验研究了可膨胀石墨的催化合成乙酸乙酯的最佳条件。 - The ettringite formation of active Al_2O_3 in the spontaneous combustion coal gangue cementitious material is analyzed by XRD.
采用XRD分析了自燃煤矸石胶凝材料中活性Al2O3在不同因素影响下水化形成钙矾石的情况。 - Besides, the paper discusses the influence on the stability of ettringite by different temperatures and different humidity and analyzes the reasons and conditions of the delayed formation of ettringite.
探讨了温度和湿度对钙矾石稳定性的影响，并分析了延迟钙矾石形成的原因和条件。 - ? Discussions were made on various concrete deteriorations including chloride induced corrosion, freeze thaw attach Sulfate attack, carbonation induced corrosion, alkali aggregate reaction and delayed ettringite formation.
导致混凝土结构性能劣化的最普通、最严重的原因是氯化物侵蚀引起的锈蚀，其次是冻融侵蚀、硫酸盐侵蚀、碳化锈蚀、碱集料反应和延缓钙矾石生成。 - As a result, it is shown that a mushy mixture consisting of thaumasite, ettringite, gypsum and calcite occurs in the residual concrete exposed to low temperature, high humidity, sulfate and carbonate for a long time.
结果表明，低温、高湿、硫酸盐和碳酸盐长期共同作用下混凝土的腐蚀产物是由硅灰石膏、钙矾石、石膏和方解石组成的一种稀泥状混合物。 - In addition, ettringite is the main hydration product in the ITZ.
ITZ中的主要水化产物是水化硫铝酸钙。 - The study of influence of SO_3 and Al_2O_3 content in cement group complex materials on ettringite and concrete expansion property
水泥基复合材料中SO3与Al2O3含量对钙矾石及膨胀性能影响的研究 - The effect of this delayed ettringite formation upon the properties of concrete is discussed.
本文探讨了这种延迟钙矾石生成现象对混凝土性能的影响。 - Secondary Ettringite Formation and Durability of Expansive Concrete
二次钙矾石形成和膨胀混凝土的耐久性 - According to the microstructure development of mortar, TSA includes the following four procedures: diffusion of ions, ettringite formation, gypsum formation and thaumasite formation.
从微观角度分析，将TSA侵蚀过程分为四个阶段：离子迁移期，钙矾石生成期，石膏生成期和碳硫硅酸钙生成期.评价的形成性问题； - A higher temperature leaded to a quicker sulfate attack on the pure cement mortar, and more ettringite and gypsum crystals form in the attacked mortar.
温度越高，纯水泥砂浆的硫酸盐侵蚀破坏越快，砂浆中生成了更多的钙矾石与石膏晶体； - At last, microcosmic mechanism has been studied on shrinkage-compensating crushed stone mortar by BET, XRD and SEM methods. Conjuncted with the experiment results, the expansion discipline of Ettringite and Brucite was studied by using the theory of fractal geometry and viscoelastic mechanism model.
最后，通过BET、XRD、SEM对补偿收缩石屑砂浆的微观机理进行了研究，并应用分形理论与粘弹性力学模型，结合试验结果对水镁石和钙矾石的膨胀规律进行了解释。 - Comparative Study on Expansion of Undercalcined Magnesia and Ettringite Expansive Agents
轻烧氧化镁和钙矾石的膨胀性能对比研究 - The ettringite can be synthesized and stable existing, under hydrothermal condition below 100 ℃.
100℃以下的湿热条件下，钙矾石可生成和稳定存在； - The activity of Al from calcined kaolinite affects the forming ettringite of hardening system.
煅烧高岭石中Al的溶出活性决定了硬化体中钙矾石的生成量。 - The results show that the hydrated products include mainly C-S-H, ettringite.
结果表明，水化产物主要是C-S-H、钙矾石、Ca（OH）2。 - The factor is that the Ca ( OH) 2 in the cement paste is reduced and the formation of expansive ettringite against sulfate attack is decreased yet by the dilute effect and the pozzolanic reaction of silica fume.
原因是由于硅灰的稀释作用和火山灰效应减少了水泥净浆中Ca（OH）2的量，从而降低了水泥净浆试件在硫酸盐溶液侵蚀下形成的膨胀性钙矾石的量。 - The action mechanism of the retarder was studied by XRD, SEM, DTA with the measurements of ettringite formed and the analyses of the liquid composition of cement pastes at the initial hydration stage.
通过对水泥水化初期浆体中钙矾石生成量的测定、水泥浆体液相组成的分析及XRD，DTA，SEM分析，对这种新型缓凝剂的作用机理进行了系统研究。 - The preconditions of the harmful effect induced by delayed ettringite formation ( DEF) in massive shrinkage-compensating concrete whose binder is composed of portland cement and expansive agent were studied.
研究了大体积补偿收缩混凝土中延迟钙矾石生成可能对混凝土产生危害的条件。 - Calcium silicate hydrate, ettringite and calcium hydroxide are formed at the early stage of hydration of two pastes.
2种水泥浆体水化反应初期有水化硅酸钙、钙矾石及氢氧化钙形成； - The comparative study of undercalcined magnesia and ettringite as expansive agents to compensate shrinkage of cement paste has been mainly made in the present work.
同时，主要研究了轻烧氧化镁膨胀剂与钙矾石型膨胀剂对水泥石收缩的补偿效果的区别。 - The strength for hardening calcined kaolinite-Portlandite-gypsum system is derived from the quantity of forming ettringite.
煅烧高岭石-石灰-石膏硬化体的强度与钙矾石生成量的多少相关。 - Expansive agent of ettringite type and shrinkage-reducing agent can effectively suppress drying shrinkage and autogenous shrinkage of mortar.
膨胀剂和减缩剂均能有效抑制砂浆的收缩。 - The formation of expansive ettringite will cause cracks in concrete structure.
膨胀性钙矾石的生成会导致水泥混凝土结构裂缝的产生。 - Ettringite formed during early hydration filled the porous space, which contributed together with C-S-H gel to shorten the setting time and to improve the early strength of cement.
早期水化形成的钙矾石，起到填充空隙作用，和C-S-H凝胶一起构成硬化浆体的骨架，有利于促进水泥凝结和提高早期强度。 - The structure of hardening gypsum-based cementing composite body is Calcium sulfate dehydrate, Ettringite and Xonotlite crosswise symbiotic crystallization, C-S-H ( gel) around them with unreacted slag particles fill the pore.
石膏基复合胶凝材料硬化体结构为二水石膏、钙矾石晶体和硬硅钙石交叉共生，C-S-H凝胶包围在其周围及接触点，未反应完全的矿渣颗粒填充孔隙。