砂率 的英文怎麼說

中文拼音 [shālǜ]
砂率 英文
sand coarse aggregate ratio
  • 砂 : 名詞（沙子） sand; grit
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Research on sand ratio of modified asphalt mixture

    對改性瀝青混合料中砂率的研究
  2. Taking the measure of uncorking on the steel tube and filling water before sand filling, the installation process of sand compaction piles is optimized, the installation parameters and testing rate under the near shore condition are confirmed, and the control and testing methods for the piles ' quality are summarized

    採取樁管壁開孔、先灌水后灌砂的方法，優化了水上擠密砂樁的施工工藝；給出了在近岸無掩護、水流急的施工條件下的施工參數和檢驗比率，總結了沉樁定位、高程式控制制、灌砂率等參數的控制措施和檢驗方法。
  3. This paper first discusses the cause of crack formation and crack mechanism of high performance concrete. then carries out crack tests of three groups of concrete slabs using aggregate type, sand rate and dosage of fly ash as design parameter

    本文初步探討了泵送高流態混凝土的裂縫成因和開裂機理，並分別以骨料品種、砂率以及粉煤灰摻量為設計參數進行了三組配合比混凝土平板的抗裂試驗。
  4. On this base, a more precise volume model of concrete is established and one conception of dry mortar volume is brought forward. at the same time the author absorbed the concept of the best ratio between paste and aggregates and used mathematical method to induce the formulas of water content and ratio between fine aggregate and coarse aggregate in concrete : ratio between fine aggregate and coarse aggregate : if the two formulas are connected with the classical rule of water cementitious materials ratio ( bolmy formula ), the contents of all materials in concrete can be determined completely by calculation and overall calculation proportioning is realized

    在此基礎上建立了普遍適用的更精確的混凝土體積模型，提出了「干砂漿體積」概念，同時吸收國外關于最佳漿集比概念，用數學方法推導建立了混凝土用水量和砂率的計算公式：用水量公式：砂率公式：這兩個公式結合傳統的水膠比定則（保羅米公式） ，即可全面定量地確定混凝土的所有組成材料的用量，實現混凝土的全計算配合比設計。
  5. It is high performance concrete of low water - binder ratio. with its own gravity and without any vibration, it can fill up the space automatically. with high adding quantity of fly ash and slag, high quality water reducing agent and other compound admixture is the most important technology of this kind of high performance concrete. scc focus on high workability at the same time on high strength and high durability through choosing the composite of aggregate, additives, content of cementions material, admixture reasonably and the optimum design of mix proportion

    本文研究了採用吉林省本地原材料和常規生產工藝配製c40自密實混凝土的製作技術，採用水膠比、粉煤灰摻量、砂率、膠凝材料總量四個因素進行配合比的正交設計，試驗分析了自密實混凝土拌合物的工作性以及硬化后的力學性能、耐久性和生產與施工注意事項，並對其經濟性做出了客觀評價，本次試驗為吉林地區自密實混凝土的推廣應用提供了數據基礎。
  6. Based on the principles of designs of self - compacting and light aggregate concrete mix, sclc of lc30 - lc50 was developed by using absolute volume method. the main factors affecting the workability of sclc were studied by adopting the modified l - 800 fluidity instrument. the results indicate that the key techniques insuring good workability of sclc are about 30 % first - grade fly ash, about 50 % volume sand ratio, 2 % ~ 6 % dosages of silicon fume and compounded superplasticicizers with viscous ingredient

    採用改進l - 800流動儀，研究了影響lc40自密實輕骨料高性能混凝土工作性的主要因素，結果表明：粉煤灰摻量保持30左右，硅灰摻量為2 6 ，體積砂率為50左右和摻加具有粘塑組分的復合高效減水劑是保證sclc拌合物具有較好工作性的關鍵。
  7. Moreover, the main components of h mineral admixture is procured from industry waste, and its " production procedure is simple, so its " production cost is very low. the most tightness pile up theory and rheology is successfully applied in the designation of self - compacting concrete, and the factors such as sand rate, aggregate grading, paste content and mineral admixtures are been studied. under the guidance of mix design theory and on the basis of mass experiments, c20 - c80 high performance self - compacting concrete is been produced

    將最緊密堆積原理和流變學原理相結合，運用於免振搗混凝土配合比設計之中，系統地研究了砂率、集料級配、水泥漿量、礦物摻合料等因素對免振搗混凝土物理力學性能、工作性能、耐久性能的影響，成功配製出從c20 - c80及以上強度等級的高性能免振搗混凝土。
  8. The results of research work show that the values of sand rate, aggregate grading, paste content and mineral admixtures control the degree of tightness pile up and the workability of fresh concrete, furthermore, they determined the mechanics performance and the durability of self - compacting concrete

    研究表明，砂率、集料級配、水泥漿量、礦物摻合料等因素的取值決定了免振搗混凝土的緊密堆積程度及新拌混凝土的工作性能，從而進一步決定了免振搗混凝土的物理力學性能及耐久性能。
  9. Abstract : the cause of underwater concrete reinforcing cage up - floating accident is improper operation, such as loose - placement of reinforcing cage, fast - drawing of conduct pipe, improper embedded depth of conduct pipe ; and the poor quality of concrete, for example, the slump, sand percentage, adhesiveness and initial setting time don " t meet requirement

    文摘:水下混凝土澆注鋼筋籠上浮事故的原因是操作不當，如鋼筋籠固定不牢、提升導管過猛、導管埋深不當等，以及混凝土品質差，如坍落度、含砂率、粘聚性、初凝時間等不合要求。
  10. The study of the influence of sand percentage on the workability and strength of concrete

    砂率對砼和易性及強度影響的試驗研究
  11. Elastic moduli of scc were compared with those of normal concrete

    研究中以不同含砂率之混凝土配比進行彈性模數試驗，並與一般混凝土比較。
  12. If the strength and workability are approximate identical, concrete tends more easily to crack with the increasing sand rate

    在強度和工作性相當的情況下，隨著砂率的增大，混凝土出現裂縫的機會增加了。
  13. However, the elastic modulus of scc is not significantly affected by s / a ratio when total aggregate volume is kept constant

    然而對彈性模數而言，當骨材總體積量一定時，改變混凝土含砂率對于彈性模數並沒有太大的影響。
  14. The test results show that the drawing interval of 1. 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal

    試驗結果表明，放煤步距採用三采一放有利於控制頂板極鬆散細砂巖，降低放出頂煤的含砂率。
  15. 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。
  16. In order to study the effect of sand ratio ( s / a ratio, fine aggregate volume / total aggregate volume ) on the elastic modulus of self - compacting concrete ( scc ), concretes with various s / a ratios were cast and tested

    摘要本研究主要探討混凝土含砂率（ s / a ，細骨材體積/總骨材體積）對流動化混凝土（ scc ）彈性模數的影響。
  17. For the mixing proportion design of marine engineering high - performance concrete, the strength and durability, as well as raw material performance, water - binder ratio, sand ratio, and water quantity shall be designed synthetically

    海工高性能混凝土的配合比設計應充分考慮強度和耐久性，並對原材料的性能、水膠比、砂率、用水量等進行綜合設計。
  18. The trends of plastic shrinkage cracking in concretes made with the same water or cement paste content per cubic meter are similar with the above case, but the critical w / c ratio is about 0. 45 - 0. 4 and 0. 4, respectively

    2 ）在一定砂率范圍內，較低和較高砂率對應的混凝土拌合物不易開裂，而中間某一臨界砂率對應的混凝土拌合物開裂較大，這一臨界砂率變化范圍為36 - 43 % 。
  19. The cause of underwater concrete reinforcing cage up - floating accident is improper operation, such as loose - placement of reinforcing cage, fast - drawing of conduct pipe, improper embedded depth of conduct pipe ; and the poor quality of concrete, for example, the slump, sand percentage, adhesiveness and initial setting time don " t meet requirement

    水下混凝土澆注鋼筋籠上浮事故的原因是操作不當，如鋼筋籠固定不牢、提升導管過猛、導管埋深不當等，以及混凝土品質差，如坍落度、含砂率、粘聚性、初凝時間等不合要求。
  20. 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。
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