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cement slurry     
相关语句
  水泥浆
     and at 30 ℃, the thickening time of the cement slurry for long section is conditioned within 90~120 min and the cement slurry for short section within 50~60 min, and the filtrate volume below 50 mL.
     在30 ℃左右时,长段水泥浆稠化时间控制为90~120min,短段为50~60 min,失水量小于50 mL。
短句来源
     APPLICATION OF CEMENT SLURRY SYSTEM WITH LOW DENSITY AND HIGH STRENGTH IN BLOCKS 1/2/4 OF SUDAN
     低密度高强度水泥浆体系在苏丹1/2/4区块的应用
短句来源
     APPLICATION OF LDHS CEMENT SLURRY SYSTEM WITH HIGH STRENGTH & LOW DENSITY IN WELL S70
     LDHS高强度低密度水泥浆体系在S70井的应用
短句来源
     APPLICATION OF EXPANDING CEMENT SLURRY SYSTEM IN HORIZONTAL WELL CEMENTING IN 1/2/4 BLOCK OF SUDAN
     膨胀水泥浆体系在苏丹1/2/4区块水平井固井中的应用
短句来源
     Study and application of DLS cement slurry
     DLS水泥浆的研制与应用
短句来源
更多       
  水泥胶浆
     Mixture of cement slurry with semi-flexible pavement
     半柔性路面用水泥胶浆的配比
短句来源
     Research on Cement Slurry Filling in Semi-Flexible Asphalt Mixture
     半柔性混合料灌入式水泥胶浆的研究
短句来源
     When used in semi flexible pavement,the cement slurry must have good fluidity,enough strength and so on.
     半柔性路面用水泥胶浆必须具有良好的流动性以及足够的强度等性质。
短句来源
     Color cement slurry-filling asphalt mixture is a new kind of mixture formed by filling special cement slurry into asphalt mixture with large void and open grade.
     彩色水泥灌浆沥青混合料是将特殊设计的彩色水泥胶浆灌入到大空隙开级配基体沥青混合料中而成型的混合料。
短句来源
     On the base of researches inside and outside of the country, and recurring to many kinds of test methods, the mix design of cement slurry and mother asphalt mixture has been studied, and the corresponding design method has been brought forward.
     论文在参考国内外研究成果的基础上,借助于多种试验分析方法,对水泥胶浆、母体沥青混合料的配比进行了研究,并提出了相应的配合比设计方法。
短句来源
更多       
  水泥浆液
     A series of measures, including choosing high grade casing of KO-140T×15. 8mm, optimizing casing schematics and cement slurry systems and applying good performance brine cement slurry, enhance the quality of salt-gypsum formation cementing and ensure safety downhole drilling operations.
     通过选用KO-140T×15.8mm高钢级厚壁套管,优化井身结构、固井管串结构及水泥浆液柱结构,应用性能优良的盐水水泥浆体系,提高了盐膏层段固井质量,保证了盐下钻探作业的安全。
短句来源
     Under the condition that pumping period(15-50 min) of the cement slurry is suitable,the press strength of common silicate cement grouting liquid could increase 50 to 100 percent than no-modificated cement grouting in two or three days condensing time,that it is 15-25 MPa,which would greatly enhance the construction speed of anchor engineering.
     试验确定了氯化钠、硫酸钠、三乙醇胺、水玻璃、纤维、硅灰等水泥外加剂或填料的加量比例,在满足浆液可泵期(15-50m in)的前提下,使结石体2-3d凝期抗压强度提高到15-25MPa,与改性前的纯水泥浆液相比,其抗压强度提高了50%-100%,从而加快了锚固工程施工速度,使支护边坡位移得到及时的控制。
短句来源
     On the other hand, the interrelations among the viscidity of cement slurry, diffusion time, grouting pressure, diameter of grouting pipe and slurry diffusion radius are analyzed.
     分析了水泥浆液粘度、扩散时间、注浆压力、注浆管直径与浆液扩散半径之间的相互关系。
短句来源
     Wet-ground ordiary cement slurry and modified grouting cement can all meet TGP curtain grouting material requirement.
     湿磨普通水泥浆液和改性灌浆水泥,均能满足三峡帷幕灌浆对浆材的要求。
短句来源
     Considering that the grouting material was cement slurry,it influenced the character of existing earth dam after being congealed; people were worried about the new hidden dangers due to the grouting.
     考虑到对坝基所用的灌浆材料为水泥浆液,并且凝结后在坝体内形成的结石体改变了既有土坝的均质性,因此,人们总是担心这种坝基灌浆方法是否会对坝体构成新的隐患。
短句来源
更多       
  水泥浆
     and at 30 ℃, the thickening time of the cement slurry for long section is conditioned within 90~120 min and the cement slurry for short section within 50~60 min, and the filtrate volume below 50 mL.
     在30 ℃左右时,长段水泥浆稠化时间控制为90~120min,短段为50~60 min,失水量小于50 mL。
短句来源
     APPLICATION OF CEMENT SLURRY SYSTEM WITH LOW DENSITY AND HIGH STRENGTH IN BLOCKS 1/2/4 OF SUDAN
     低密度高强度水泥浆体系在苏丹1/2/4区块的应用
短句来源
     APPLICATION OF LDHS CEMENT SLURRY SYSTEM WITH HIGH STRENGTH & LOW DENSITY IN WELL S70
     LDHS高强度低密度水泥浆体系在S70井的应用
短句来源
     APPLICATION OF EXPANDING CEMENT SLURRY SYSTEM IN HORIZONTAL WELL CEMENTING IN 1/2/4 BLOCK OF SUDAN
     膨胀水泥浆体系在苏丹1/2/4区块水平井固井中的应用
短句来源
     Study and application of DLS cement slurry
     DLS水泥浆的研制与应用
短句来源
更多       

 

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      cement slurry
    It is shown that as ambient temperature grows to 30°C, the impurities in MS increase the cement slurry thickness and impede the placement of refractory concrete in summer period.
          
    The high content of impurities in MS degrades the flow properties of cement slurry and the respective concrete slurry.
          
    Effect of the quality of microsilica on the flow properties of cement slurry and characteristics of low-cement refractory concre
          
    Setting time, strength and composition of cement produced with nHA was dependant on both the Ca/P ratio of nHA and the concentration of phosphoric acid in cement slurry.
          
    They are made by adding aluminium powder to the cement mix or by introducing a foaming agent to a cement slurry.
          
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    The technique of deep mixing method is used to reinforcing soft cohesive ground,in which cement is used as a consolidating agent and a special deep mixing machine is utilized. The purpose of this technique is to increase the strength of the soil in a considerable depth by injecting cement slurry and by mixing of the cement slurry with the soil. Compared with the untreated soil,soil consolidated by this method has a compressive strength 40-100 times higher.This method is suitable for reinforcing the...

    The technique of deep mixing method is used to reinforcing soft cohesive ground,in which cement is used as a consolidating agent and a special deep mixing machine is utilized. The purpose of this technique is to increase the strength of the soil in a considerable depth by injecting cement slurry and by mixing of the cement slurry with the soil. Compared with the untreated soil,soil consolidated by this method has a compressive strength 40-100 times higher.This method is suitable for reinforcing the soft cohesive ground,particularly the very soft clay.This paper introduces cardinal parts of the aforesaid technique: ①laboratory studies, ②research for deep mixing machine, ③in-situ experiments and applications of this technique to foundation engineering.Technical appraisement concluded that the dispansation of the consolidation agent, the deep mixing machine SJB-1,and the associated technology of the job basically have formed a system of deep mixing method on land suitable to our country. It offers a new method in the field of cohesive ground reinforcement,and will extend with a wider application in soft cohesive ground inprovement progressively.

    深层搅拌法是用水泥作为固化剂,通过特制的深层搅拌机械,在地基深部就地将软粘土与固化剂强制拌和,使软粘土硬结而提高地基强度。这种新的地基加固方法适用于加固软粘土特别是超软土。本文介绍该技术的主要内容:①室内试验研究;②深层搅拌机械的研制;③深层搅拌法加固软粘土地基的现场试验和工程应用。该加固方法经技术鉴定认为:所研制的SJB-1型深层搅拌机、相应的搅拌工艺及专用固化剂配方等已基本形成一套适合我国条件的陆上深层搅拌技术,为我国软土地基加固技术增添了一种新方法,今后可在软土地基加固工程中逐步推广应用。

    On the basis of a previous research and in consideration of the invariant point withthe lowest CaO concentration in the system CaO-Al_2O_3-CaSO_4-H_2O and CaO-SiO_2-H_2O, alow alkalinity cement (having a low pH value ) has been made which is only slightly cor-rosive on the glass fibres. SEM, XRD, DTA, acidimetric analysis and chemical analysiswere employed in the study on the mechanism of its action.The following conclusions havebeen drawn: (1) The pH value of the liquid phase compatible with the cement hydra-tion...

    On the basis of a previous research and in consideration of the invariant point withthe lowest CaO concentration in the system CaO-Al_2O_3-CaSO_4-H_2O and CaO-SiO_2-H_2O, alow alkalinity cement (having a low pH value ) has been made which is only slightly cor-rosive on the glass fibres. SEM, XRD, DTA, acidimetric analysis and chemical analysiswere employed in the study on the mechanism of its action.The following conclusions havebeen drawn: (1) The pH value of the liquid phase compatible with the cement hydra-tion products containing ettringite, Al(OH)_3 gel and gypsum is rather low; (2) the rateof attack of such cement on medium-alkali glass fibres is low, approximate to that ofgypsum slurry and water, and is only one twentieth of that of portland cement; (3) thedurability of the medium-alkali glass fibres immersed in the low alkalinity cement slur-ry is superior to that of alkali resistant glass fibres in portland cement slurry under thetemperature of 50℃, and the strength of alkali resistant glass fibres remains unchangedwhen immersed in the low alkalinity cement slurry for a duration of seven months; (4)the attack of the cement on glass fibres is essentially a chemical action.

    在“玻璃纤维在水泥中的侵蚀机理与防止侵蚀的途径”一文的基础上,我们根据CaO-Al_2O_3-CaSO_4-H_2O和CaO-SiO_2-H_2O系统不变点的CaO浓度最低,研制出对玻璃纤维侵蚀小的低碱度水泥。应用扫描电镜观察、X射线分析、差热分析、酸度测定和化学分析等方法,对低碱度水泥与中碱玻璃纤维作用机理进行了研究。认为具有钙矾石、水化氧化铝凝胶、石膏三相共存的液相碱度是比较低的;对玻璃纤维的侵蚀速率缓慢,相当于石膏浆液或者水对中碱玻璃纤维的侵蚀速率,比硅酸盐水泥侵蚀中碱玻璃速率慢20倍左右。证明了低碱水泥对玻璃纤维的侵蚀是以化学侵蚀为主。 试验还表明,中碱玻璃纤维浸泡在低碱度水泥浆液中,其耐久性胜于硅酸盐水泥浆液浸泡抗碱玻璃纤维;如果用50℃低碱度水泥浆液浸泡抗碱玻璃纤维,七个月后玻璃纤维强度未下降。

    This paper is the study of the gas communication andthe loss of hyd rostatic head of cement column caused by the gelling of cement slurry in the case of simulating the changes of temperature and pressuse in the well bore. From the results of experiments, it has been proved to be true that the gas communication and the loss of hydrostatic head of cement column caused by the gelling of cement slurry are serious, and the loss of hydrostatic head of cement column caused by the gelling of...

    This paper is the study of the gas communication andthe loss of hyd rostatic head of cement column caused by the gelling of cement slurry in the case of simulating the changes of temperature and pressuse in the well bore. From the results of experiments, it has been proved to be true that the gas communication and the loss of hydrostatic head of cement column caused by the gelling of cement slurry are serious, and the loss of hydrostatic head of cement column caused by the gelling of cement slurry can be calculated quantatively after experimentation and mathematical analysis. This makes it possible that a sound basis is provided for taking technical measures to prevent oil, gas and water communication in the casing cementing job.

    本文是在摸拟井身温度和压力变化的情况下,对水泥浆柱由于水泥胶凝引起的“失重”和气侵的研究。从实验研究的结果证实了水泥胶凝引起的“失重”和气侵是严重的,而水泥浆胶凝引起的“失重”,通过实验和数学分析后是可以作到定量计算的,这就可能给固井施工中,为防止油、气、水窜工艺技术措施,提供可靠的基本依据。

     
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