high workability concrete 中文意思是什麼

high workability concrete 解釋
高和易性混凝土
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • 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. According to the need for design and construction of prestressed reinforced concrete of jingzhou yangtze river highway bridge, c60 conctrete was mixed with superfine admixture and high workability agent, then it was speeding up construction progress for the bridge

    摘要根據荊州長江公路大橋預應力混凝土結構設計、施工要求，採用摻入超細摻和料和高能外加劑配製c60混凝土，長距離、大高度泵送混凝土，為大橋建設加快進度，確保質量起到了作用。
  3. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前，解決混凝土開裂的方法是綜合的，我們調查研究了混凝土開裂的原因，開發研製了高性能抗裂外加劑，優化混凝土的設計和施工方法，並通過補償收縮達到混凝土體積穩定，提高抗裂強度，滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術，應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法，從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題，發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。
  4. 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。
  5. 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。
  6. Mineral admixtures have unsuperseded advantages in improving the workability and durability of self - compacting concrete. the reasons of tendency of cracking in self - compacting concrete and the influence factors have been studied, and the new type of mineral admixture has been used in high performance self - compacting concrete, and its defects such as high slump - losing and shrinking or cracking is successfully prevented

    分析了免振搗混凝土容易產生收縮開裂的原因及其影響因素，將研製的新型礦物添加劑應用於免振搗高性能混凝土之中，解決了免振搗混凝土坍落度經時損失大、易產生收縮開裂等技術難題，配製出免振搗微膨脹高性能混凝土。
  7. 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。
  8. 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。
  9. Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance

    本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題，根據大量實驗建立了高強輕集料混凝土工作性能的評價體系，提出了高強輕集料混凝土可泵性的測試方法；通過分析輕集料混凝土的結構形成過程，建立了輕集料混凝土拌和物物料運動的數學模型，提出了防止輕集料混凝土分層離析的技術措施；通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究，確定了影響輕集料混凝土強度因素的主次關系，提出了配製高強輕集料混凝土的技術路線；研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。
  10. 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。
  11. And compared with ordinary concrete, high performance concrete adding fly ash shows better workability. but there is an optimum mixing dosage of fly ash for crack resistance of concrete

    與普通混凝土相比，摻入粉煤灰可以改善混凝土拌和物的和易性，但粉煤灰對于混凝土的抗裂性存在一個最優的摻量。
  12. Under the direction of such theories, the influence of the composition of the concrete to the workability, mechanical property and durability of hplc is analyzed systematically ; the key technology of the preparation of hplc was grasped. the theory of strength improvement of subsidiary bonder is detected, special additive - fdl for hplc is made, lc40 - lc60 hplc with the slump over 18cm, the slump flow over 50cm, segregation degree below 5 %, small drying shrinkage, high tension strength and long durability is prepared. the concept and experimental method of the segregation degree of the mixture is put out and the analytical system of high performance hplc is built

    以設計理念和設計理論為指導，系統研究了輕集料、輔助膠凝材料等組分及其配比參數對輕集料混凝土工作性能、力學性能和耐久性能的影響規律，探明了輔助膠凝材料對于輕集料混凝土的增強機理，研製出能夠有效控制輕集料混凝土拌和物分層離析度和降低坍落度經時損失的專用外加劑fdl ，掌握了制備高性能輕集料混凝土的關鍵技術，制備出坍落度大於18cm 、擴展度大於50cm 、分層度小於5 、低干縮、高韌性、高耐久的lc40 lc60高性能輕集料混凝土。
  13. High performance lightweight aggregate concrete ( hplc ) is a kind of lightweight environment - protected building material with high strength, good workability, volume stability and durability, which suits for large scale engineering such as high buildings and bridges and some important engineering which had a complicated geography condition or a special command for durability

    高性能輕集料混凝土是一種具有高工作性、高強、良好體積穩定性和優良耐久性的生態環保型輕質建築材料，特別適用於高層建築、橋梁等大跨度結構工程，以及地質條件復雜和對材料耐久性有特殊要求的重點工程建設，並對各種工程具有廣泛意義，其應用前景非常廣闊。
  14. At present, high strength and high performance concrete is studied > produced and used extensively at home and abroad. but in our country, common strength concrete is used in huge quantities, this paper is based on this point, from studying and analysing the structure and formation of common concrete to adjust all kinds of components and to add fly ash and cinder powder to concrete to make common concrete acquire high performance and high durability. the experiment has manifested that common concrete ' s workability and even performance are improved greatly, at the same time, common concrete ' s strength and permeation is also improved after its performance - proof is improved

    當前國內外大量研究與生產應用的是高強高性能混凝土，但是，目前在我國大量使用的還是普通強度的混凝土，本文正是基於這一點，從研究與分析普通混凝土的結構形成入手，合理調節各組分，摻入粉煤灰與礦渣磨細粉，使普通混凝土獲得了高性能與高耐久性，試驗證明，高性能化后的普通混凝土，其和易性和結構均勻性得到改善，強度提高，抗滲性明顯提高。
  15. 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。
  16. Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer

    如採用粗集料破碎率作為耐久性設計的一個指標；採用砂漿坍落擴展度試驗選擇水泥和減水劑，確定砂漿中減水劑的飽和摻量，並通過上述數學模計算混凝土中減水劑的飽和摻量，以此為參照確定最佳摻量；採用障礙坍落度試驗確混凝土的穩定性和流動性，結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數，從而實現對高流動性高穩定性要求的混凝土（如泵送和免振自密實等）的工作性設計。
  17. 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。
  18. The experiment research on influence of fly ash with workability of high - performance concrete

    粉煤灰影響高性能混凝土工作性能的試驗研究
  19. High performance concrete ( hpc ) is now a hotspot in concrete research field in the worldwide. its expected design target is durability and it aims at meeting the different requests of different projects, such as workability, applicability, strength, volume stability and economy

    高性能混凝土（ hpc ）是當前國內外混凝土領域中研究的熱點，它以耐久性為設計目標，針對具體工程同時對其工作性、適用性、強度、體積穩定性、經濟性等提出不同要求。
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