low workability concrete 中文意思是什麼

low workability concrete 解釋
低和易性混凝土
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • workability : 操作性能
  • concrete : adj 1 具體的，有形的；實在的，實際的。2 固結成的，混凝土製的。3 圖案詩歌的（參閱concrete poetry）...
  1. The results of research on the workability of hbc concrete show that hbc concrete, when compared with opc concrete, has excellent compatibility with superplasticizer, in terms of better initial fluidity, less slump loss, definite saturation point and less dosage at saturation point. in addition, good mineral admixture such as i class fly ash can obviously improve the workability of hbc concrete. moreover, hbc concrete exhibits more excellent workability under the condition of low w / c ratio, which indicates hbc is more suitable for making super high strength concrete whose w / c ratio is very low

    對高貝利特水泥高性能混凝土工作性能的研究結果表明，高貝利特水泥與高效減水劑具有良好的適應性，表現為初始流動度較大，經時損失較小，具有明顯的飽和點且飽和點摻量較小；此外，優質的礦物摻和料如一級粉煤灰能明顯改善hbc混凝土的工作性能；更為突出的是hbc混凝土在低水膠比的情況下表現出更為優異的工作性，這一特性預示著高貝利特水泥更適宜配製水膠比很低的超高強混凝土。
  2. 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。
  3. Because of its high strength, high workability, high volume stability and high anti - permeability, hsc ( high strength concrete ) has been widely used throughout the world as a new generation structure material. but due to its low ductility, seldom has it been used in the protective engineering

    高強混凝土具有高強度、高工作度、高體積穩定性、高抗滲性等優良性能，作為新一代建築材料在國際范圍內得到了廣泛應用，但是由於高強混凝土的延性較差，未能在防護工程中得到大量使用。
  4. Self - compacting concrete is a kind of concrete with low w / b ratio and good workability, which does not need to pug. it is a trend for both the researchers and the concrete engineer

    自密實混凝土是一種在較低水灰比條件下，不泌水，不離析，不需振搗或只需少量振搗即達到均勻密實的混凝土，是混凝土工程技術的一個重要發展方向，也是目前國內外學者研究的一個熱點。
  5. In this paper, the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically. through the study the influence of the shape, the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete, it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete, but when they are combined and the additive and assistant band material are used, c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production, construction and curing was set up. and the result of the research is applied into several projects

    通過分析特細山砂和機制砂的顆粒形態、粉末含量、顆粒級配等特性對自密實混凝土的工作性能和力學性能的影響，發現特細山砂、機制砂不宜單獨用於配製中低強度等級自密實混凝土，宜將特細山砂和機制砂進行合理復配，並選擇合適的外加劑和礦物摻合料，優化配合比設計，可生產c20 c40中低強度等級自密實高性能混凝土；研製開發出了具有高效減水、保塑、抗離析功能的外加劑，有效解決了中低強度等級自密實混凝土由於膠凝材料用量少而出現的離析、泌水問題；應用正交設計方法，對因素和水平進行合理選擇，確定了生產中低等級自密實混凝土的最優配合比；建立了中低強度等級自密實混凝土的工作性評價體系；提出了生產、施工及養護的質量控制技術方法。
  6. The shrinkage characteristics of hsc and normal concrete at short term and long term are researched. based on the above research, high performance expansive c50 - c80 concrete, which posses good expansive properties, excellent flow ability, low slump loss and hydration heat. in order to improve the anti - cracking of some important projects, such as cutting wall, the workability and bulk stability of fiber - reinforced micro expensive concrete are researched

    針對高強混凝土的收縮特性以及性能特點，本文提出將膨脹劑引入高強混凝土內進行補償收縮，研究了粉煤灰、礦渣、硅灰等摻和料對混凝土工作、力學耐久性能的影響和c50 c80高強微膨脹補償收縮混凝土的力學與工作性能，配製出具有很好的可泵性能和耐久性能的混凝土。
  7. Depending on the tenth five - year plan by china, the workability, physical mechanics property, durabilities of concrete were systematic studied. combining with micro - structure test and applying the laws between the composition, structure, qualitiy of materials and considering the production cost of engineering, the principle of the design and technique route of mamufacturing low - cost high performance concrete ( lc - hpc ) was put forward. the important theoretical and technological support for the design, application of lc - hpc is provided

    本文以「十五攻關」課題為依託，對混凝土的工作性、物理力學性能、耐久性能進行了系統實驗研究，通過與微觀結構測試相結合，應用材料組成、結構與性能的規律，考慮生產成本並結合工程應用，提出低成本高性能混凝土（ lc - hpc ）配製的設計原則與技術路線，為lc - hpc的設計、應用提供了重要的理論與技術支撐。
  8. The poor workability of low - strength concrete compounded by iso new - standard cement

    新標準水泥配製低強度混凝土的和易性特點
  9. By uses of handan raw materials, this paper studies the influence of coarse aggregate limiting grain size, water - binder ratio, fly ash replacement, sand - total aggregate ratio on the strength and workability of concrete prepared with low water - binder ratio

    摘要本試驗採用邯鄲當地的混凝土原材料，利用正交設計方法，試驗研究和分析了粗骨料最大粒徑、水膠比、粉煤灰摻量、砂率對低水膠比混凝土的強度及和易性的影響。
  10. Abstract : by adding into concrete batch with greater proportion of active fine additive and pumping agent, reacted to the compound impact of the two substances, concrete workability, durability and strength could be improved. in addition, pumping - suitability of low strength concrete may be improved as well

    文摘:將大摻量活性細摻料和泵送劑加入混凝土拌合物中，兩者的復合作用下，可使混凝土的工作性、耐久性，強度得到改善，並提高低強混凝土的可泵性。
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