水泥浆
- cement paste
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从胶凝材料浆体抗裂性的试验结果来看,粉煤灰烧失量、碱含量、SO3含量越低,掺粉煤灰水泥浆体的抗裂性越好。
The lower the loss on ignition , alkali content and SO3 content of fly ash are , the better the crack resistance of the blended cement paste is .
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石灰-石膏-粉煤灰水泥浆体的水化机理研究
Study on hydration mechanism of lime-gypsum fly ash cement paste
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NaNO2型防冻剂组分对新拌水泥浆体性能的影响
Influence of NaNO_2 Deicing - agent Composition of Performance on Fresh Cement Paste
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应用三相模型(Three-phasemodel)模拟水泥浆体骨架的有效弹性模量;
The effective elastic properties of the skeleton of cement paste were described using the three-phase model ( or the generalized self-consistent scheme model );
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复合矿物掺合料的掺入使C2水泥浆体的粘度增大,而使屈服值减小。
The addition of the compound makes the viscosity of C_2 cement paste increases , and the yield value of it decreases in the meanwhile .
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掺EPS颗粒水泥浆体的吸波性能
Electromagnetic Absorbing Property of Cement Paste Filled with Expanded Polystyrene
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掺MgO膨胀剂水泥浆体膨胀机理研究述评
Review on the Expansion Mechanism of Cement Paste Mixed with MgO-type Expansion Agent
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本文研究了SO3和C3A对水泥浆体膨胀的影响。
This paper is concerned with the effect of SO_3 and C_3A on the expansion of cement pastes .
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室内试验表明,DS零析水水泥浆体系较好地解决了这一问题。
Laboratory experiment shows DS zero-separate water slurry system can better resolve the breakthrough problems .
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多功能钻井液、UF和钻井液转化为水泥浆(MTC)全方位结合的钻固一体化技术;
Drilling and cementing technology combining multifunctional drilling fluid , UF and MTC technology ;
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粉煤灰水泥浆体系MTC配方设计及实验
Ingredient design and field test on the MTC of coal ash and cement systems
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建立了分形模型来模拟水泥浆体的空间结构,在此基础上推导出了孔体积分形维数D和孔隙率P、孔径分布的关系式;
A fractal model is established to simulate the spatial structure of concrete slurry , and a formula that describes the relationship among the fractal dimension D , the porosity P and the pore distribution is deduced .
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MTC水泥浆的室内研究(Ⅰ)&分散剂的研制
Laboratory study on mtc : developing dispersants
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与常规水泥浆固井技术相比,MTC固井技术具有明显的技术、经济优势。
Compared with conventional slurry cementing , slag MTC is of obvious technical and economic superiority .
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对比了BFS&MTC水泥浆与波特兰水泥浆及波特兰MTC水泥浆的性能。
The slurry properties of BFS - MTC , Portland cement and Portland MTC are compared .
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本文介绍用低粘度CMC作为水泥浆缓凝剂的室内试验和现场使用情况。
This paper introduces the results of laboratory experiment and field application hy using the low viscosity CMC as a retarder in cement slurry .
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通过微孔结构(MIP)、化学结合水等研究,分析了AAS水泥浆体微结构形成与工艺参数的关系。
The relation between micro structural formation of AAS cement and parameters is analyzed through the study of micro pore structural and chemical combined water .
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对于某一较早的龄期,当SO3掺量超过某一数值时,水泥浆体的膨胀与SO3掺量关系不大,而提高水泥中的C3A含量则能显著地增加其膨胀。
The expansion at a given early age is nearly independent of the amount of SO_3 added when the addition exceeds a certain amount but increases considerably as C_3A content is raised .
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研究了MTC固井液和油井水泥浆固井液与多功能钻井液泥饼的胶结状况。
The cementation of MTC cementing fluid and oil well cement slurry with the mud cake of multifunctional drilling fluid is studied .
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在高温高压动态养护条件下,硬化水泥浆体内部存在大量CSH凝胶和Ca(OH)2晶体,而堵漏剂浆体的主要水化产物是CSH凝胶。
There are abundant CSH gel and Ca ( OH ) 2 crystal formed inside the cement paste . The main hydration product of YLD sealant is CSH gel .
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本文采用电导法和酸度法研究了嘉华G级油井水泥浆及加有缓凝剂酒石酸时水泥的水化历程,并对酒石酸的缓凝机理进行了分析。
The hydration rate of Class G net oil-well cement slurry and the slurry with retarder tartaric acid is measured respectively by the methods of electrical conductance and acidity , and then the retardation mechanism of tartaric acid is discussed .
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采用以改性纤维为主要材料的早强增塑剂QA研究出了深井抗盐塑性水泥浆体系。
Thus , salt resistance plastic cement slurry has been developed by the study on the early strength plasticizer QA which using modified fiber as the main material .
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但这些缓凝剂会延迟C3S的水化,从而也延迟水泥浆体强度的发展。
However , these retarders delays onset of C3S hydration and may therefore also delay strength evolution .
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顶替效率高。介绍了国外常见的几种深水固井水泥浆技术,包括快凝石膏水泥浆体系、PSD水泥浆技术、高铝水泥、充气水泥浆技术和其他水泥浆技术。
The several conventional cementing technologies for deep sea abroad were reviewed which included rapid setting gypsum slurry , PSD slurry , high alumina slurry , aerated slurry and so on .
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钢纤维增强混凝土(SFRC)是由细骨料、粗骨料、乱向分布的钢纤维和水泥浆所组成。
Steel fiber reinforced concrete ( SFRC ) is made of hydraulic cements containing fine aggregate , coarse aggregate , and with randomly oriented steel fibers .
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微硅粉能显著改善EPS颗粒与水泥浆体的粘结性能,提高EPS轻质混凝土抗压强度,而掺入钢纤维则能显著改善其干缩性能。
Fine silica fume greatly improves the bond between the EPS beads and cement paste and increases the compressive strength of EPS concrete . In addition , adding steel fiber significantly improves the drying shrinkage .
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在120℃下,其水泥浆体系的稠化时间,用常用的缓凝剂可调整到337min,SPS对水泥浆其他性能无不良影响。
Thickening time can be adjusted to 337 min under 120 ℃ by the regular retarder . The SPS has been proved to have no side effects on cement slurry 's other properties .
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针对泥浆转化成水泥浆时体系含盐量高、pH值高的特点,通过大量实验开发出了一种适合泥浆转化成水泥浆用的高效分散剂AB-1。
In view of the characteristics of the high salt content and high pH value in the system when the mud is converted into cement slurry , a high efficiency dispersant & AB 1 suitable for mud to cement is developed through a large number of experiments .
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在此基础上,用XRF分析从水泥浆分离出的溶液中S元素的含量,进而计算PNS吸附结果。
Based on the above , the results of adsorption of PNS superplasticizer can be determined by analyzing the quantity of element S in the liquid separated from cement paste by XRF method .
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研究了低掺量重金属氧化物ZnO,PbO和CuO对水泥浆体的凝结时间和力学性能的影响,并借助SEM和XRD探讨了它们对水泥浆体微结构的影响。
The impact of heavy metal oxides , such as ZnO , PbO and CuO , on the setting time and mechanical properties of cement pastes was investigated . SEM and XRD were used to examine the microstructure of cement paste as well .