water cement ratio 中文意思是什麼

water cement ratio 解釋
水-水泥比
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • cement : n 1 水泥。2 膠泥;膠合劑,接合劑,膠;【醫學】(牙科等用的)黏固粉。3 【解剖學】(牙齒的)白堊質...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. High water - cement ratio during construction and low water - cement ratio during solidification are realized by using electroosmosis technology to change the process of concrete construction

    採用電滲濾水施工技術,滿足了混凝土大水灰比施工、小水灰比固化的要求。
  2. Electroosmosis technology can solve the problem of high water cement ratio during construction and low water cement ratio during solidification effectively so that have expansive application prospect

    結論電滲濾水混凝土技術能有效地解決混凝土的大水灰質量比施工、小水灰質量比固化的矛盾,有重要學術價值和廣闊的應用前景。
  3. Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology

    方法採用電滲技術,利用水泥水化產生的雙電層的導電性能,使混凝土中的多餘水分向陰極聚集,以減少混凝土的凝結水灰質量比。
  4. The paper analyzes its performance with the range of the content of gas former, expanding pearlite and water - cement ratio

    文中對引氣劑用量、珍珠巖用量及水灰比對材料吸聲性能影響進行了研究與分析。
  5. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加纖維使之成為鋼纖維高強混凝土( sfrhsc )和聚丙烯纖維高強混凝土( pfrhsc ) ,對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截面寬度,研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響;並對試驗構件的裂縫發展情況進行了觀測。
  6. ( 2 ) interfacial agents this experiment adopts three types of interfacial agents : no interfacial agent, neat cement paste which has the same water - cement ratio with the new concrete, cement paste mixed with 10 % expanding agent which has the same ratio with the new concrete ( which is called cement paste mixed with expanding agent for short ). the thickness of the interfacial agent is 2 ~ 3mm

    ( 2 )粘結劑本試驗採用三種粘結劑:無粘結劑、同新混凝土相同水灰比的水泥凈漿、摻10 u型膨脹劑的同新混凝土相同水灰比的水泥凈漿(以下簡稱水泥膨漿) 。界面劑的厚度一般為2 3mm 。
  7. Research on portland cement hydration and mechanical properties of prc low water cement ratio system

    低水膠比體系硅酸鹽水泥水化特性與力學性能研究
  8. The distance of the single - row curtain grout hole is between 1. 4 to 1. 8 meter, and 2. 0 meter is suitable for the double - row curtain ; the grouting pressure generally is 1. 0 to 1. 5 mpa at the first three grout compartment, then grouting pressure of under the fourth control in 4 to 5 mpa ; for mast grout compartments, a water - cement ratio of 2 or 1 may used in the first grouting

    鉆孔密度也由原來的0 . slm / mz降至o . 64n擴mz ,節約工程投資447 . 35萬元。 6 、單排帷幕的孔距在1 . 4一1 . 8m之間,雙排帷幕的孔距以zm為宜;灌漿壓力在地表以下前三段一般為1一1 . smpa ,第四段以下按4一smpa控制;對大部分孔段而言,開灌水灰比可定為2或1 。
  9. Under different sand ratio, the relationship between water cement ratio and 28 day compressive strength is researched and the coefficient of recycled concrete is induced

    在不同砂率下,分析了再生混凝土28天齡期抗壓強度與水灰比之間的關系,並回歸分析得出了再生骨料系數。
  10. Firstly, this paper analyzes the influence of some factors ( such as the water / cement ratio, types of cement, curing time etc. ) on the carbonization properties of high performance concrete as well as that of common concrete

    首先,對諸多因素(如水膠比、水泥品種、養護齡期等)對于高性能混凝土及普通混凝土的抗碳化能力影響程度進行定性和定量分析。
  11. The result of experiment states hpc which initial slump is more than 230mm, after 120min is still above 190mm ; the 7d and 28d hydration, the compression strength of concrete is more than vompa and 90mpa can be made from the ground high - ti bfs instead of 10 - 30 percent of equal p. o. 525r, with the aid of superplasticizer and additive on the water cement ratio is 0. 26

    利用磨細的高鈦礦渣等量取代10 - 30的硅酸鹽水泥,並摻入高效減水劑b和外加劑ua ,在水灰比為0 . 26時,可以配置出初始塌落度大於230mm , 120min后,塌落度仍大於190mm , 7天強度大於70mpa , 28天強度大於80mpa的高性能混凝土。
  12. Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as

    模型中考慮水灰比和混凝土配合比(摻入不同量的粉煤灰和礦渣)變化對混凝土抵抗氯離子侵蝕能力的影響,同時考慮溫度、相對濕度和表面氯離子濃度累積變化等環境因素對氯離子侵入混凝土過程的影響,以及氯離子擴散系數隨時間的變化。
  13. This paper deals with high fluid concrete in which high strength ceramsite made from shale was used as coarse aggregate. effects of cement content, water - cement ratio, sand percentage, mineral admixture, grading and pretreatment of lightweight aggregate on compressive strength and workability of high fluid structural lightweight aggregate concrete have been studied. the rules of water absorption of high strength lightweight aggregate under different pressure and effects on uniformity of high fluid structural lightweight aggregate concrete have been studied too

    本文採用高強頁巖陶粒,摻加高效減水劑配製大流動性結構輕集料混凝土,討論了水泥用量、水灰比、砂率、礦物摻料及輕集料的級配和預濕方式對大流動性結構輕集料混凝土強度和工作性的影響;系統研究了高強陶粒在常壓和壓力下的吸水規律;研究了影響大流動性結構輕集料混凝土勻質性的因素,提出了解決大流動性結構輕集料混凝土分層離析的具體措施。
  14. Based on the calculation methods of nominal water - cement ratio of mortar and average paste thickness of standard sand provided by authors, the nonlinear relation between fluidity of mortar and nominal water - cement ratio of mortar, average paste thickness of standard sand, fly ash - binder ratio was established by using artificial neural network ( ann )

    摘要在給出水泥膠砂名義水灰比和標準砂平均漿體厚度計算方法的基礎上,採用人工神經網路方法,建立了水泥膠砂流動度與水泥膠砂名義水灰比、標準砂平均漿體厚度、粉煤灰與膠凝材料用量比之間的非線性映射關系。
  15. Based on above, the characteristics of hydration hardening process and microstructure of hsc as well as the interfacial layer between cement paste and coarse aggregate are investigated under low water cement ratio, high content superplasticiser and with one kind or more than one kind of mineral materials condition, the reaction mechanisms of different mineral materials are also discussed

    研究了不同水膠比、復合緩凝成分高效減水劑及礦物摻合料的摻加方式、摻量對高強混凝土水泥漿體水化放熱過程和水泥漿體的水化熱、水化放熱速率以及最高溫升的影響規律。探明了高強混凝土中水泥漿體的水化硬化過程、礦物摻合料之間的相互作用機理。
  16. The grouting liquid with this stability agent has many advantages such as the good volume stability, low dialysis ratio, high strength of cement rock less dry - shrink and convenient construction etc. when the water - cement ratio is 0. 6 or 0. 8, the 28d strength of cement - rock is 210 % and 179 % of the bentonite cement - rock under standard maintain

    該穩定劑配製的水泥漿具有體積穩定性好、不析水、結石強度高、不幹縮、施工方便等優點。如水灰比0 . 6 、 0 . 8時,標準養護條件下28d強度分別較膨潤土水泥漿結石提高100和80以上, 20水中養護28d強度則提高30左右。
  17. Effects of water - cement ratio on plastic shrinkage cracking of concrete

    水灰比對混凝土塑性收縮裂縫的影響
  18. Abstract : water - cement ratio is an important parameter in concrete proportioning design and has a great effect on the nature of concrete, such as its intensity and durability

    文摘:水灰比是砼配合比設計中一個重要參數,主要體現在其對砼性能(和易性、強度和耐久性等)的影響上。
  19. By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled

    通過控制混合料的干密度、水泥用量和水灰比的取值范圍,可使混合料同時滿足排水性能要求和結構強度要求。
  20. The paper has studied the influence of water - cement ratio on the early - age shrinkge and whole shrinkge through self - deviced experimental apparatus for measuring early - age shrinkage

    通過自行設計早期收縮測試裝置研究了水灰比對混凝土早期收縮的影響規律並在此基礎上測試了混凝土總收縮。
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