流動混凝土 的英文怎麼說
中文拼音 [liúdònghúnníngtǔ]
流動混凝土
英文
flowing concrete- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
- 混凝土 : concrete; beton; jetereting混凝土壩 concrete dam; 混凝土板 concrete slab; 混凝土標號 concrete gra...
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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Then, the change of the pressure of the concrete in the pipage is studied. lastly, the pressure losing and the error of the routine measure are discussed. chapter three discusses the fussy self - study issues based on the concrete technology the first section expounds the basic fuzzy self - study theory
首先介紹泵送混凝土的流動特徵,接著研究泵送混凝土在輸送管中泵送壓力的變化,並分析影響泵送壓力損失的因素,從而討論常規計量方法的缺陷第三章主要是針對前章理論模型應用模糊自學習技術。The binders has supper fluidness 、 bonding capacity 、 water retentivity 、 filler properties, no segregation, no bleeding and supper mechanical properties after harden. it is one of high performance concrete. japanese have been researched self - compacting concrete from 1987, and used more than 1. 2millions litres
其拌和物具有良好的流動性、粘聚性和保水性,要求填充性能優異,不離析、不泌水且硬化后具有良好的力學性能,屬于高性能混凝土( high - performanceconcrete )的一種。Bitulith widely used in pavement of highway is of the characteristic of fluidity
目前廣泛應用於公路路面建設的瀝青混凝土材料具有流動性大的特徵。To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction
混凝土縫面處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體混凝土成型質量和工程進度;在二期混凝土施工區域,為免除人工鑿毛勞動強度,採用永久性免拆金屬模板網作為一期混凝土模板;鋼筋連接改進傳統的電焊連接方式,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度混凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一流工程」成為可能;三峽二期工程混凝土溫控綜合技術的應用,有效降低了壩體混凝土溫度的產生;混凝土表面處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。Based on the motion law of equal - width slit steady flow, the seepage calculation model simulating concrete face slab joints and face slab with dense cracks is studied and established under the extreme condition that slabs are destroyed
摘要基於等寬縫隙穩定流的運動規律,研究建立了混凝土面板極端破壞情況下面板接縫及密集裂縫型面板的滲流計算模型。Standard specification for grout fluidifier for preplaced - aggregate concrete
預置集料混凝土的灌漿流動機械的標準規范Standard test method for flow of freshly mixed hydraulic cement concrete
新拌水凝水泥混凝土流動性的標準試驗方法Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上,深入分析混凝土在輸送管道內的流動狀態,得出混凝土泵的負載特性方程;然後根據功率鍵合圖的建模方法,建立泵送迴路和分配迴路的數學模型,並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬,分析了在不同的輸入流量(泵送頻率)和換向時間下,活塞桿的位移和系統的液壓沖擊情況,找到了引起液壓沖擊的根本原因(即分配迴路的響應時間(固定值)與活塞桿的運動時間(變化值)不相匹配) ,並提出了相應的改進方法。In this research, the high - fluidity and super high - early strength repairing concrete is prepared though experimental research on quick - repairing materials to cement concrete pavement. this concrete is provided with many properties such as satisfying early traffic opening, benefiting operation, cutting down labor consumption and securing interfacial bond strength
本課題通過對水泥混凝土路面快速修補材料的實驗室研究,旨在研製高流動性超早強修補混凝土,以滿足及早開放交通、利於施工操作並降低勞動損耗、保證新老混凝土的粘結性。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。But some problems with self - compacting concrete such as high slump loss and the difficulty of harmonizing the cohesiveness and the flowability should be solved. the theory of concrete mix design should also be perfected. in accordance with these problems, this thesis carry out such research works as follows to deal with them
然而,免振搗混凝土特別是高強超高強免振搗混凝土坍落度損失大,粘聚性和流動性難以統一以及易產生收縮裂紋的問題亟待解決;免振搗混凝土的配比設計理論也需要進一步地加以完善。Slump flow test, slump test, and box test were carried out to evaluate concrete flowability
混凝土流動性方面則以坍度、坍流度、箱型試驗等進行評估。The large concrete structures, such as bridges, safety hull of nuclear power plants, sea oil plateforms et al. are subjected to not only static loads, but also dynamic loadings such as vehicles, nuclear power, wind, wave, water flow and violence earthquake
許多大型的混凝土結構工程,如橋梁、核電站安全殼、壓力殼、海上採油下臺等,不僅受到靜載荷的作用,還要受到諸如車輛、核動力、風、浪、水流和強烈地震等動荷載的作用。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。Polycarboxylate series high range water - reducing agents, which can provide concrete high fluidity, good retarding performance and low slump loss, have become more popular recently
聚羧酸鹽系高效減水劑既具有較好的初始流動性,又具有較好的保坍性,日益成為混凝土外加劑領域研究的熱點。Testing fresh concrete - part 5 : flow table test
試驗用新澆混凝土.第5部分:流動試驗臺試驗Standard specification for chemical admixtures for use in producing flowing concrete
流動混凝土生產用化學混合物的標準規范Since pump high - flowability concrete commenced in late 70 ' s, it has been put to extensive application due to its advantages of fast, high - efficiency and stable quality. but its high flowing property and pumpability also cause some negative effects, such as serious shrinkage cracks at early age, which arouses wide social concern
泵送高流態混凝土自從70年代末期產生以來,以其快速高效、質量穩定等特點得到了廣泛的應用,但它的高流動性和可泵性也產生了一些負面作用,如早期收縮開裂現象比較嚴重,引起了社會的普遍關注。分享友人