pozzolanic
火山灰的
凝硬性的
2025-11-24 18:30 浏览次数 14
火山灰的
凝硬性的
1. finely divided siliceous or siliceous and aluminous material that reacts chemically with slaked lime at ordinary temperature and in the presence of moisture to form a strong slow-hardening cement
pozzolanic feature火山灰性
pozzolanic additive火山灰质混合料
pozzolanic action凝硬作用
pozzolanic reactivity火山灰活性
pozzolanic aggregate火山灰质集料
Pozzolanic material卜作岚材料
the pozzolanic火山灰
pozzolanic admixture火山灰质混合材
The products and their formation laws of pozzolanic reaction is the focus of research in the field of lime-stabilized soil.
火山灰作用生成物的生成规律研究一直是该领域国内外众学者研究的焦点。
With the clay in Yancheng area, the author has carried out experimental researches on the pozzolanic reactivity of the low temperature burnt clay and its application as cement admixture.
作者用盐城地区的粘土,进行了低温煅烧粘土的火山灰活性和用作水泥混合材的试验研究。
The impact on the pozzolanic effect by the fineness of superfine slag powder is changed with content.
掺量不同,火山灰效应受矿渣微粉细度的影响也不同。
The result of the experiments shows that the effects of compound pozzolanic and micro-aggregate have been produced when silica fume and slag were added into concrete together.
试验结果表明:在混凝土中同时掺入硅灰和矿渣可以产生复合火山灰效应和微集料填充效应;
Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;
利用矿物掺合料的火山灰活性等特性,研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛堿的程度;
In addition, highly pozzolanic ash can be produced by means of controlled combustion, when silica is kept in non-crystalline form and cellular structure.
此外,高火山灰性(凝硬性)灰可以通过控制燃烧来产生,此时,二氧化硅保持在非结晶形式和蜂窝状结构。
CSH gel with low water content forms in the pozzolanic reaction of fly ash.
粉煤灰的火山灰反应生成的也是含水率较低的CSH凝胶。
Especially in the later hydration process, it presents potential strength development and the distinct etching mark on the surface of fly ash at 28d shows the higher degree of pozzolanic reaction.
水泥浆脱水相与加气混凝土脱水相相比更能激发粉煤灰的火山灰活性,其复合胶凝材料力学性能、水化性能以及微观结构等均具有显着优势。
The steam curing condition has no effect on the variety of the hydration products but on their amount and improves pozzolanic activity of mineral admixtures.
蒸汽养护条件并没有对各种水化产物,但其量,并改善矿物掺合料的火山灰活性。
However, it is necessary to consider the CH consumption due to pozzolanic reaction of mineral admixtures when using CH content to determine the hydration degree of CCM.
然而,有必要考虑由于矿物掺合料的火山灰反应消耗的CH在用CH内容时,以确定的CCM的水化程度。
Activate the potential activity is the main purpose of the study about the pozzolanic properties of fly ash.
粉煤灰火山灰性能的研究主要是研究如何激发其潜在活性。
The pozzolanic reactivity of FBC and PC ashes was investigated based on the kinetics of the pozzolanic reaction.
用化学反应动力学方法研究固硫灰渣的火山灰反应特性,并与粉煤灰进行对比。
With the clay in yancheng area the author has carried out experimental research es on the pozzolanic reactivity of the low temperature burnt clay and its application as cement admixture.
作者用盐城地区的粘土,进行了低温煆烧粘土的火山灰活性和用作水泥混合材的试验研究。
A regressive equation is then given to predict pozzolanic activity index in accordance with ash parameters and cement composition.
本文提出了按粉煤灰理化参数及水泥成分预测抗压强度比的方程。
The result of hydration reaction shows that, with the help of alkali sulphate, the dissolved glass phases of reject fly ash at the early stage mainly join the pozzolanic reaction at the later stage.
水化程度测试的结果则表明,在早期堿式硫酸盐作用下大量溶解的废弃粗粉煤灰中的活性成分,要在后期才能够完全参与火山灰反应。
It is indicated that the pozzolanic activity of the rice husk ash is higher than that of pelletized silica fume, resulting to increase of strength for ordinary concrete and high strength concrete.
活性试验表明,低温稻壳灰火山灰活性超过造粒硅灰,对普通混凝土和高强混凝土都具有强烈的增强作用。
Pozzolanic reactivity of several pozzolanic admixture were measured and compared by acid dissolution method. Effects of reaction degree of pozzolanic admixture on strength of paste were discussed.
采用酸溶法测定并比较几种典型的火山灰质掺合料的火山灰活性,探讨其火山灰反应程度对浆体强度的影响。
Morphology and chemical composition of fly ash residues of pozzolanic reaction were investigated by scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).
采用扫描电镜和电子探针等分析手段研究了粉煤灰火山灰反应残渣的形貌和化学组成。
It has been inferred that high concentration of soluble ions may have restrained the hydration and pozzolanic reactions, thus the strength development of cemented soil.
经推断,很可能是高浓度的可溶盐抑制了水泥土的水化和硬凝过程,从而导致强度降低。
Whereas, those thermally activated coal gangue showed better pozzolanic reactivity, producing improved mortar strength properties.
煤矸石经热力活化后表现出较好的火山灰活性,水泥强度得到明显改善。
Requirements for the filters to protect fly ash slurry are higher than those in compacted soils; The engineering properties of fly ash are getting better with time because of the pozzolanic action.
由于凝硬作用的影响,粉煤灰的工程性质可能随时间增长而改善,浸水可能不致于使灰的性能恶化;
The enhancement effect and its sub-effect of superfine slag powder contribute most on slag cement's 28th strengths, in which the pozzolanic effect is the main factor and is amount to 80%.
矿渣微粉的增强效应及其子效应都对矿渣水泥28天强度贡献最大,并以火山灰效应为主,约占总效应的80%。
The activity test indicates that the pozzolanic activity of L-RHA surpasses that of palletized silica fume, and L-RHA has strong strength effect on ordinary concrete and high strength concrete.
活性试验显示,低温稻壳灰火山灰活性超过造粒硅灰,对普通混凝土和高强混凝土都具有强烈的增强作用。
In this paper, excitation effects of alkali, gypsum, lime and temperature on the pozzolanic activity of fly ash were researched.
研究了堿、石膏、石灰和温度对粉煤灰火山灰活性的激发作用。