fluidity of concrete 中文意思是什麼
fluidity of concrete
解釋
混凝土的憐性-
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。 -
Mixing technology on concrete of high fluidity and high strength
大流動度超高強混凝土配製技術 -
But the chemical properties have no remarkable influence on it ( 3 ) as the water - to - binder reduces wich is one of key factors in the perpormance of reactive powder concrete with steel slag, the fluidity decreases but the strength increases ; incorporation of 4 percent steel fiber in volume can decrease fluility and increase strength ; heat - curing benefits the increase of strength which can still develop in 28 day water curing after heat - curing
（ 3 ）水膠比是影響其性能最為關鍵因素之一，隨著水膠比的降低，流動性下降和強度的提高都很明顯；摻入4的鋼纖維對流動性的影響比較明顯，同時也不同程度地提高了強度；熱養護有利於強度的提高，經熱水養護後放置水中至28天齡期，其強度有較大提升，並沒有出現強度倒縮現象。 -
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。 -
Free - vibration and self - densifying concrete, also definited as self - compacting concrete, is a kind of concrete with good performance of fluidity, adherence and anti - segregation
自密實混凝土是一種低水膠比的高性能混凝土，在追求高強度、高耐久性的同時，重點實現高施工性能。 -
Additions for concrete. water retention. method for measurement of fluidity by flowing with the " cone de marsh "
混凝土添加料.水分保持. "瑪希錐"噴涌法測量流動性 -
The properties of the new superplasticizer were studied by comparison with naphthyl type, including its effects on the fluidity and the slump - loss of cement paste and concrete ; its effects on the strength of the cement was also investigated. it has a good compatibility with cements of different types
將合成的hp高效減水劑與萘系高效減水劑的性能進行了系統的比較研究，包括分散性能、保塑性能；對水泥凈漿的流變性能的影響；與水泥的相容性；對水泥凝結時間的影響等等。 -
To best achieve the working performance of the said concrete, with the help of theology theory in the research, we have analyzed the principle of free - vibration densifying and shaping of mixed concrete, that is, with the perquisite of fluidity, the concrete should have good property of filling - up - space, penetration through voids of fixed steel reinforcement, adherence and prevention from losing water and segregation, and the conflict between anti - segregation and deforming capability should be sorted out
為得到自密實高性能混凝土的最佳工作性能，在研究中藉助流變學理論，分析研究了混凝土拌合物免振搗成型和密實的機理，在大流動性的前提下，要求混凝土具有良好的填充性、鋼筋間隙通過性和粘聚性，防止泌水、離析，解決變形能力與抗離析性能力的矛盾。 -
Using processed march cylinder, tapered circular mould, u - shaped instrument, l - shaped concrete fluidity instrument and some other testing instruments, and after research and study to physical and chemical property of various raw material. systematic tests have been carried out in respect of consistency between cement and additive, concrete fluidity, concrete filling - up - space and penetration capability and concrete anti - segregation property, basing on prudent and careful analysis to results of 34 - time tests a nd more than 500 data, and with utilization of combined additive, we finally conclude the proper mix design range for the self - densifying high performance concrete with ideal working performance at all respects
通過加工的march筒、截錐形圓模、 u型儀、 l型混凝土流動儀等實驗儀器以及對各種原材料的物理及化學性能展開詳盡的調查研究，進行了多種材料下的水泥與外加劑相容性、混凝土的流動性、混凝土的填充性和鋼筋通過性、混凝土的抗離析性等系統試驗，在對34組試驗、 500多個數據的詳細認真分析的基礎上，利用復合后的外加劑，得出各項工作性能均較佳的自密實混凝土所用原材料比例范圍。 -
Self - densifying high performance concrete is well - performing concrete with the good performance of fluidity, anti - segregation and filling - up - space. with its own gravity and without any vibration, it can automatically fill up the space in and between fixed shutters and form self - densified concrete structure of ideal dynamic property and durability, therefore, it can accelerate construction progress of a building, shorten the construction period, secure concrete quality and improve the building ' s durability. in the mean time, it is conducive as well for environment protection and effects remarkable social and economic efficiency
自密實混凝土屬于高性能混凝土，它具有高流動性、高抗離析性、高填充性的性能，在自重作用下無需振搗，自行填充模板空間，形成自密實的混凝土結構，有良好的力學性能和耐久性能，可以加快工程建設進度、縮短工期、有效控制混凝土的質量、提高建築物及構築物的耐久性，並有利於環境保護，具有較高的社會和經濟效益。 -
2 applied to the construction of large - fluidity pump concrete and thin - walled structures
Fnj 3混凝土早強劑fnj - 4液態泵送劑 -
To assure the workability such as fluidity, ability of filling, ability of resistance to segregation of the fresh self - compacting concrete, numerous tests have been done
進行了大量的優化配合比的試驗，使新拌混凝土具有更優良的流動性、填充性和抗分離性。 -
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。 -
Only when superplasticizer, admixture rf, early - hardening sulphoaluminate cement and aggregate of suitable size are used, high performance repairing concrete can be prepared with high - early strength and high fluidity and good interfacial bond property
必須選用高效減水劑、 rf摻合料、快硬硫鋁酸鹽水泥、合適粒徑的骨料，才能配製出便於施工操作、早期強度較高、新老界面粘結較好的混凝土修補材料。 -
Theoretic analysis and experimental results illustrate that the performance of high fluidity and super high - early strength repairing concrete is influenced by many factors relative to materials
試驗研究及理論分析結果表明：高流動性超早強修補混凝土的性能受到諸多材料因素的影響。 -
Combining on the investigation achievements of the base establishment concrete durability in shanxi province and the recent research situations of alkali aggregation reaction ( aar ) all over the world, on the condition of the same mortar fluidity, the preventing effects of mineral and chemical admixtures on aar were researched
結合陜西省混凝土耐久性調研成果及國內外目前混凝土堿?骨料反應研究現狀，本文還詳細研究了在相同流動度條件下礦物摻合料及化學外加劑對堿?骨料反應的抑制效果。
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