浆体
- 网络slurry;Paste;Grout
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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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该浆体平均粒径为110~120nm,在可见光区透光率在90%以上,UV区透光率小于5%,具透明和抗紫外线辐射性能;
The average size of slurry is 110 ~ 120 nm , the transmittance of slurry is above 90 % in visible zone and low than 5 % in UV zone , and the slurry is transparent with good UV resistance .
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Cu基、Ni基喷焊层材料的浆体冲蚀性能研究
Study of slurry erosion resistance of Cu-base and Ni-base flame spray welding coating
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高C3S水泥硬化浆体水浸取液中离子浓度的变化规律
The Ion Concentrations in Water Extraction Solution of High C_3S 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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硬化浆体中Ca(OH)2的含量明显低于基准试样。
In the hardening paste , The amount of Ca ( OH ) 2 is obviously less than the reference sample .
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PAM对磨料浆体射流速度的影响规律研究
Study on the Effect of PAM on Abrasive Jet Flow
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将以白水泥和硅灰制成的DSP水泥浆体于120℃、183℃、240℃下蒸压。
DSP cement pastes , prepared from white portland cement and silica fume , were autoclaved at different temperatures up to 240 ℃ .
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实验表明,磨料浆体旋转射流冲蚀岩石形成的破碎坑呈“V”形。
The results show that the bottom hole shape of rock drilling with the ASSJ under submergence mode looks like " V " .
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本文首次用实验方法探讨了泥石流浆体的触变唯象模型η=η∞/tcγ+η∞。
This study is the first time to inquire into the debris flow thixotropy model by experimental method .
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秦岭隧道仰拱TBM浆体技术的研究
Study on the Technology of TBM Casting Paste Under Invert in Qinling Tunnel
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活化煤矸石水泥硬化浆体中Ca(OH)2的含量在水化3d时最多,而后随龄期逐渐减少;
The content of Ca ( OH ) _2 was the most when the curing age was 3 days , and gradually reduced lately in activated coal-gangue-cement hardened paste .
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MTC设计用分散剂的研制及其对浆体流变性的影响
Researching of dispersion additive used in MTC and its effect on rheological property
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利用XRD,SEM,力学性能测试等手段,研究了物理活化和化学活化粉煤灰对硅酸盐水泥强度及其浆体结构的影响;
The influence of physical activated and chemical activated fly-ash on the strength and paste structure of portland cement was studied by XRD , SEM and measuring strength etc.
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聚氨酯-Si3N4陶瓷复合材料浆体冲蚀磨损性能研究
Erosion-Wear Resistance of Polyurethane-Si_3N_4 Composite
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用SEM和EDS研究了粉煤灰掺入水泥后与水泥浆体间所形成界面的形貌特征。
Using SEM and EDS , the characteristics of morphology within the interfacial zone between fly ash and cement paste added with fly ash was studied .
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新近的研究成果表明,掺入1%~3%的纳米SiO2就能明显地提高水泥硬化浆体的力学性能
The recent research results show that the mechanical property of cement hardened paste is obviously increased by adding 1 % ~ 3 % of nano-SiO2
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从而达到实现确立嘉华G级油井水泥的强度衰退临界温度及合理加砂量、浆体性能的合理调控原则及外加剂的合理选配等目的。
So critical temperature of strength decline , optimum amount of sand added to cement slurry , rule of properly controlling slurry properties and properly choosing additives are determined for Jiahua Class G Oilwell Cement .
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X-Ray和SEM实验结果表明,纳米二氧化硅能够明显改善混凝土中骨料与浆体的过渡界面结构,从微观角度有力地证明了纳米二氧化硅对混凝土各项性能的影响。
The results from X-Ray and SEM showed that NS can obviously improved the interfacial transition zone between aggregate and paste , which can be evidence to the influences of NS on concrete properties .
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水化产物以花瓣状或片状的AFm、短柱状的AFt及C-S-H等胶体为主,浆体结构致密。
The hydrated product with high density structure is mainly consist of petal-like or sheet-like AFm , puncheon-like AFt and colloid C-S-H.
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本论文以国家973项目为课题背景,针对C3S含量较高的硅酸盐水泥,采用多种测试评价方法,开展化学外加剂对水泥水化历程的影响、浆体初始结构的演变过程及其作用机理的研究。
Based on State " 973 " Project in China , hydration process , development of initial structure and mechanism of high C3S content cement with chemical admixtures were unfolded through multiple measurements .
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通过研究纤维素醚(celluloseether,CE)改性水泥浆体的流变性能和热-电特性,探明多因素环境下水泥浆体的水化动力学过程。
In multiple factors environment , kinetics of hydration process of cement paste modified with cellulose ether ( CE ) was verified by the research of rheological properties and heat-electrical characteristics .
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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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利用XRD和ESEM研究了由硅酸盐水泥、矿物掺和料和膨胀剂组成的复合胶凝材料的初期水化产物和浆体结构。
The early-age hydrates and paste structure of complex binders composed of Portland cement , mineral admixture and expansive agent were investigated with XRD and ESEM .
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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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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 .