grade of cement 中文意思是什麼

grade of cement 解釋
水泥標號
  • grade : n 1 等級，級別；階段；程度，標準，水平。2 〈美國〉（中小學的）年級；某一年級的學生。3 〈pl 〉 〈...
  • of : OF ＝Old French 古法語。
  • 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...
  1. There is correspondence in evaluating sulfate resistance of cement paste by three test methods such as rapid boiling, gypsum mixing and wet - dry test. high strength grade cement can meliorate property of sulfate resistance

    外摻石膏法、干濕交替法以及快速沸煮法三種實驗方法對評價水泥砂漿的抗硫酸鹽侵蝕性能有較好的一致性；高標號水泥品種對抗硫酸鹽侵蝕性能有很好的改善作用。
  2. The compatibility and harmony among workability, mechanical grade and durability are optimized, with the ground of adjusting composition and dosage of fd - 1 ; after analyzing anti - freezing damage mechanism, it is concluded that temperature is main factor, which affects structure and property of concrete. after two processes of temperature - elevation of hydration heat and temperature - descent of cold - environment, there is original damage in concrete and its existence leads to temperature fields, as results in temperature damage on transition phase > aggregate and cement mortar of concrete

    通過對負溫混凝土早期防凍分析研究認為，環境溫度對混凝土的結構形成及其性能的影響十分突出，水泥水化溫升和環境散熱降溫兩個過程導致混凝土結構內部產生不均勻溫度場，對過渡相、水泥砂漿以及骨料都能產生不同程度的溫度損傷，產生內部溫差應力裂紋，初始損傷也是不可避免的。
  3. We must take account of crack resistance when doing mixture design. after systematic and scientific determination and analysis of temperature contraction property, aridity contraction property and strength index, the thesis have chosen the best grade limits in which crack resistance and compressive strength are high. this conclusion is based upon standard ? grade limits of cement stabilizing crushed stones subbase

    本課題在對水泥穩定類材料溫縮、干縮性能以及強度和模量等指標的測試分析前提下，以規范原有的水泥穩定碎石基層級配范圍為基礎，選擇出抗裂性和抗壓強度兩項指標俱佳的級配范圍。
  4. An iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物，可獲得鐵品位大於20 %的含鐵物料，用此物料代替部分粘土質原料生產硅酸鹽水泥，使礦山尾礦排放量減少至43 . 52 % ，鐵的回收率由70 . 89 %提高到84 . 62 % ，並且減少了水泥生料配料中鐵礦粉的用量，降低了生料粉磨能耗。
  5. Abstract : because the water - binder ratio of both high strength concrete and high performance concrete are very low, it bring about the following consequences such as : 1, the grade of cement strength would be a negligible symbol 2, the effectiveness of mineral admixture would be considerably improved 3, the high cohesion of the mixture and concrete " s shrinkage and creep would be changed etc. all these consequences should be well deliberated by the construction circles

    文摘:高強混凝土和高性能混凝土因其水膠比都很低，給配製與施工帶來如下現象：水泥標號的「標志」作用淡化，礦物摻合料的作用顯著改善，拌合物的高粘聚性、混凝土的收縮和徐變性能的變化等，這些現象都值得施工人員注意。
  6. Due to high quantity and grade of cement, early shrinkage of super high strength & high performance concrete is larger than that of ordinary concrete

    超高強混凝土由於採用高水泥用量和高標號水泥，其早期收縮明顯大於普通混凝土。
  7. The " yungang " brand series of high - grade cement produced by us are all qualified products, among which the525 early - strength type of silicate cement is randes as world - class famous and qualified products. our

    公司生產的「雲網」牌系列高標號水泥全部為優質產品，其中525早強型硅酸鹽水泥被評為世界名優產品。
  8. Kiln simple structure, convenient and reliable control of the production process, the vulnerability of small, high rates of operation, the plant is calcined high - grade cement equipment, but also widely used in metallurgical, chemical, construction and other industries

    回轉窯結構簡單，生產過程式控制制方便可靠、易損件少、運轉率高，是水泥廠煅燒高標號水泥的設備，同時也廣泛用於冶金、化工、建築等行業。
  9. R & d of high strength hpc with strength grade c50 - c80 was conducted using high belite cement ( abbreviated as hbc ) as the main component of cementitious material. the workability, physical mechanical properties, durability and sub - microstructure of hbc concrete have been researched systematically in comparison with hbc using ordinary portland cement ( abbreviated as opc )

    本研究以高貝利特水泥（ hbc ）為主要膠凝材料，成功配製出了強度等級為c50 c80的高貝利特水泥高性能混凝土，該級別范圍內的高貝利特水泥高性能混凝土初始坍落度180mm ， 90min坍落度損失40mm ，且抗凍等級f300 ，抗滲等級w25 ，氯離子滲透值1000庫侖。
  10. The main achievements in this paper are as following : 1 based on the systematical study about physical properties, particle morphologies and micro - mechanism of ultra - fine fly ash, cufa ii products are successly developed by means of optimizing the particle gradation and activation technique. hprrc composed of cufa ii products and with the strength grade no less than 32. 5r ordinary portland cement can meet the minimum strength index demands. at present, cufa ii has been produced commercially and applied to engineering

    本文主要研究成果如下： 1 、在系統研究了超細粉煤灰的物理性能、形貌、粉體效應微觀機理的基礎上，採用粉體優化組合、活化激發技術，復配的cufa產品與32 . 5r及以上的普通硅酸鹽水泥配製的hprrc可達到12 48h開放交通所需的最低強度指標要求；該產品己工業化生產並推廣應用。
  11. Abstract : an iron - containing material with an iron grade of over 20 % can be recovered from magnetic separation tailings of liuling iron mine by gravity method. this material can be used instead of partial clayey material to produce portland cement so as to reduce the mine tailings discharge amount to 43. 52 %, to raise the iron recovery from 70. 89 % to 84. 62 % and to reduce the iron ore powder consumption in raw cement mixture and the energy consumption of raw material grinding

    文摘:用重選法從劉嶺鐵礦磁選尾礦中回收鐵礦物，可獲得鐵品位大於20 %的含鐵物料，用此物料代替部分粘土質原料生產硅酸鹽水泥，使礦山尾礦排放量減少至43 . 52 % ，鐵的回收率由70 . 89 %提高到84 . 62 % ，並且減少了水泥生料配料中鐵礦粉的用量，降低了生料粉磨能耗。
  12. As one kind of the high - grade pavement, portland cement concrete ( pcc ) pavement has been widely used in china since 1980 ' s. however, the trouble of early structural distress in pccp is often come up

    水泥混凝土路面作為高級路面的主要形式之一，八十年代以後在我國得到了推廣使用，但使用中出現了早期結構性損壞的問題。
  13. This paper presents design principle and method of asphalt concrete pavement typical construction and cement concrete pavement typical construction, formulates typical construction drawing of two type pavement and workouts pavement typical construction computer aided design, by summarizing and absorbing research production of home and abroad, considering different natural conditions, grade of road and traffic volume in ningxia, and collecting a mass of engineering datum, calculating and checking

    本文通過總結與吸收近年來國內外路面典型結構的研究成果，考慮寧夏地區不同的自然條件、道路等級和行車荷載條件，在大量計算、驗算的基礎上，提出適用於寧夏公路的瀝青混凝土路面典型結構和水泥混凝土路面典型結構的設計原則和方法，具體擬定了兩種類型路面的典型結構圖，並編制了公路路面典型結構計算機輔助設計程序。
  14. The cement concrete pavement, as one of the high - grade pavement structures, has been widely used because of such advantages as high strength, good stability, great durability, high temperature stability, abrasive hardness and low cost of maintenance

    水泥混凝土路面作為一種高級路面結構形式，以其強度高、穩定性和耐久性好、耐高溫、耐磨耗以及養護費用少等優點而得到了廣泛的應用。
  15. The management, equipments and technology of first level, the plant produces taper crusher, mandibles crusher, ball mill, single roll crusher, double gear roll crusher, double roll crusher, four roll crusher, fight back style crusher, rotary furnace, grade machine etc. cement, smelting, dresser

    工廠以一流的管理，一流的設備，一流的技術，生產各種規格型號的圓錐破碎機、鄂式破碎機、球磨機、雙輥破碎機、四輥破碎機、圓磨機、反擊式破碎機、回轉窯、分級機等冶金、選礦設備
  16. The influence of grade distribution of material on the anti - fold intensity of the road cement concrete

    集料的級配對道路水泥混凝土抗折強度的影響
  17. Since the water soluble fiber in fabric can be dissolved, the style and grade of the fabric will certainly be greatly improved. after it is processed to water soluble non - woven fabric it can be used as disposable cloth such as computer embroidery cloth, medical operation clothes, operation cap, gauze mask, and cloth pieces for medical operation etc. its pure yarn fabric can be used as medical nonstick cloth, and its high strength fiber can be spun into high strength yarn for the production of high quality and recoverable sacks for cement or fodder etc. with the development of the water solubility of the vinylon staple, the staple will be used more and more extensively day by day

    它可與棉花或其它纖維混紡織成布，將織物中的水溶性纖維成份溶解，將大大提高織物的風格和檔次加工成水溶性無紡布可作電腦繡花底布醫用手術衣手術帽口罩手術巾等一次性用布其純紡紗布可作醫用不粘紗布還可以用它的高強纖維紡成強力紗，用於製造可回收再加工的優質包裝袋如水泥袋飼料袋等。
  18. The author excogitated a kind of appropriative mud jacking material which is made up of cement, sand, fly ash, admixture and water. this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density, high earlier strength, non - segregation, non - weepage and non - contractility. especially, the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking

    本文研製了專用壓漿材料，採用水泥、砂、粉煤灰、外加劑和水混拌而成，通過大量實驗配製出的漿液具有自流淌密實性好、早期強度高、無離析、無泌水、無收縮的性能，特別是針對路面唧泥處理或預防性養護，板底脫空量較小，研製出高流動度材料，能滿足壓漿施工的需要。
  19. The concrete ’ s anti - frozen can reflect concrete ’ s synthesis durability in the certain degree. this paper changed the former research mentality which enhanced concrete anti - frozen to use an extra material, aimed at the inner mongolian characteristic, utilized compound cement substituted ordinary portland cement, mixed the dula - fiber, the grade 2 inner mongolian pulverized coal ash, the extra material that was highly effective reduces the quantity of water outside the concrete to improve the concrete ’ s main performance, especially the concrete ’ s anti - frozen

    混凝土抗凍性在一定程度上能夠反映混凝土的綜合耐久性能，本論文改變以往提高混凝土抗凍性只採用一種外摻料的單一研究思路，針對內蒙古地區特點，運用復合水泥取代普通硅酸鹽水泥，在混凝土中摻入杜拉纖維、內蒙2級粉煤灰、荼系高效減水劑三種外摻料，來提高混凝土的主要性能，尤其是混凝土的抗凍性。
  20. As a new mineral additive of cement and concrete, ground steel - making slag powder has quite high activity and its activity is obvious higher first grade fly ash and close to blast furnace slag. furthermore, its distribution is very wide and quantity is quit plenty in our country

    磨細鋼渣粉作為一種新的水泥混凝土摻合料，它的活性明顯優於一級粉煤灰，與礦渣活性不相上下，而且分佈較廣，數量較多，有較高的應用與研究價值。
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