研磨煤灰 的英文怎麼說
中文拼音 [yánmóméihuī]
研磨煤灰
英文
pulverized fuel ash pfa-
All results show, the performance of the high - strength concrete with mixture of pulverulent coal - fired ash is higher than the standard high - strength concrete, and is increased significantly
綜合研究結果表明,摻入磨細粉煤灰后的高強混凝土的各種性能均高於基準高強混凝土,得到了良好的改善。The results indicate that the all properties of pulverulent coal - fired ash are obviously higher than that if original coal - fired ash. based on the above studies, the studies on the strength changing mode of concrete with pulverulent are carried out. arrange of results are attained
首先對比研究了磨細灰與原狀灰在高強混凝土中的作用,結果表明,磨細粉煤灰的各種性能均好於原狀粉煤灰,這為下一步性能研究奠定了基礎。The concrete with the a 28 days compressive strength of c60 can be produced by using suitably pulverulent coal - fired ash, the higher the quantity of pulverlent coal - fired ash mixed in concrete with 10 % - 20 % is, the higher the strength of concrete is. then, we carry out the studies on the technics properties that reflect the comprehensive properties of concrete. we find that the separating and excreting water of the concrete can be avoided efficiently when the pulverulent coal - fired ash and superplasticizer are used suitably, the higher the quantity ration of coal - fired ash and super plasticizer are, the higher the caving degree of the concrete is
在上述研究基礎上,對摻細化粉煤灰后混凝土的強度變化規律進行了分析研究,在適當配合比及高效減水劑的作用下,摻一定數量的磨細粉煤灰,在28天齡期可以配製出抗壓強度高於c60的粉煤狄高強混凝土;當磨細粉煤灰以10 - - 20不同的摻量分別摻入粉煤灰中時,粉煤灰高強混凝土的強度隨摻量的增大,各齡期強度均逐漸降低;在摻入8硅灰+ 10粉煤灰可使高強混凝土的各齡期強度都有很大增加,當單摻8粉煤灰時,混凝土的後期強度增加較快;粉煤灰混凝土必須加入高效減水劑遼十l彬技術人學碩十學位論文後j 」能達到高強的目的。Mechanical performance, frost resistance and abrasion resistance of concrete with fly ash, air entraining agent and four kinds of inorganic salts including sodium sulfate, sodium nitrite, calcium nitrite and sodium chloride are mainly studied in this paper
本文研究了在路面水泥混凝土中摻入粉煤灰、引氣劑和四種無機鹽( na2so4 、 nano2 、 ca ( no2 ) 2和nacl )后,混凝土的力學性能、抗鹽凍剝蝕能力和耐磨性等性能的變化規律。In charge of one of major subjects of the national eighth five - year plan, i. e. " study on shotcreting techniques of polyacrylate emulsion cement mortar for impermeability coating of pu ding rcc dam ", the achievement of which has been appraised by the ministry of electric power and evaluated as reaching national leading level. 2. in charge of the major subject aided by the committee of national natural science funds, " study on durability of high bolumes of fly ash concrete ", the first phase achievement of which has been commended by the committee. 3. in charge of one of major subjects of the national ninth five - year plan, i. e. " study on high performance concrete in marine engineering, design and construction ". 4. acting as one of editors - in - chief of " technical specification for abrasion and cavities resistance of concrete in hydraulic structures ", which is issued by the ministry of water resources. 5. by providing the repairing and strengthening schemes on seepage and cracks of the basement of nanjing lukou international airport, the air traffic opening of the airport was ensured as scheduled. 6. consulting services on techniques of high performance and abrasion - erosion resistance concrete for three - gorges project, anti - corrosion of reinforced concrete strutures for the ore port of shanghai baoshan iron and steel works, mass fly ash concrete for jiangyin yangtze river bridge and pumping concrete for nanjing yangtze river second bridge
主持國家「八五」攻關項目「普定碾壓混凝土壩上游面丙乳砂漿防滲層大面積施工工藝研究」 ,成果通過部級鑒定,評價屬國內領先水平; 2 .主持國家自然科學基金重大項目「高摻量粉煤灰混凝土的長期性能研究「 ,階段成果獲國家自然科學基金委通報表彰與獎勵; 3 .主持國家「九五」攻關項目「海工高性能混凝土成套技術研究」 ; 4 .水利部「水工混凝土抗沖磨防空蝕技術規范」的主編之一; 5 .為南京祿口國際機場地下室修漏與裂縫補提出技術方案被采納並實施,為機場如期通航作出貢獻; 6 .為三峽工程抗沖磨高性能混凝土技術、上海寶鋼礦石碼頭鋼筋混凝土防腐蝕技術、江陰長江大橋大體積粉煤灰混凝土技術、南京長江二橋泵送混凝土技術等提供咨詢建議。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。This paper analyzes the impact of the variation of coal proportion on flying - ash erosion in heating surface at the rear of coal - fired boiler
研究了配煤比例變化對燃煤鍋爐尾部受熱面飛灰磨損的影響。By research the effect of mineral mixture on cement and admixture, we can improve it ' s utility in cement concrete. in this article we use the slag and fly ash as research object. we study the effect of the mineral " s dosage on the compability of different fineness cement and admixture, the effect of mineral fineness to the compatibility of cement and admixture. wo also research the effect of mineral to different cement and admixture in chongqing. by the study, we continue changing the character of mineral to improve it ' s effect to compatibility. slag and fly ash mix each other can have better character to the compatibility of cement and admixture. changing slag by admixture and gypsm also can improve it ' s compatibility to cement and admixture
礦物摻合料對水泥與不同摻量的外加劑之間的相容性影響。並結合重慶市現有的資源,研究了礦物摻合料對重慶地區不同廠家的水泥與外加劑的相容性影響。進而對礦物料的缺陷進行改善,採用礦渣與粉煤灰混摻,膨脹劑與礦渣混摻,礦渣與石膏,礦渣與外加劑混磨,優化礦物摻合料,更好的促使其在重慶市水泥混凝土中的應用。This paper analyses the problem of concrete cracking and leakage, and set up the model of the middle or low - strength steel slag anti - cracking and impermeable concrete ( acic ) on the base of the analysis. the four principles of water permeable resistance character, volume stability character, toughness and anti - chemical corroded character have been put forward for raw materials selection and durability design of acic, acic is designed by the theory of composite material and the theory of fiber - reinforced, and two series of acic, such as fly ash series and steel slag series, have been manufactured by means of mineral admixture, hybrid fiber and chemical admixture. hydrating heat, macro - mechanics quality, durability and microstructure of the acic have been researched
本文對中低標號大體積混凝土滲透開裂問題進行了研究,從混凝土自身結構形成與經濟角度指出大摻量粉煤灰與膨脹劑復合配製大體積混凝土的問題所在,提出採用鋼渣微細礦粉配製中低標號防滲抗裂混凝土的思路,運用復合材料理論設計中低標號防滲抗裂混凝土,提出了低水化熱、抗滲性能、體積穩定性、韌性和抗沖磨性能是中低標號防滲抗裂混凝土材料選擇和耐久性設計的主要原則,採用鋼渣微細粉復合混雜纖維、化學外加劑的技術路線,配製了適合於深水等特殊環境中的大體積中低標號鋼渣系列防滲抗裂混凝土,對其進行水化特性、宏觀物理力學性能、耐久性和微觀結構研究。Trial study on compound grinding aids of portland fly - ash cement
粉煤灰硅酸鹽水泥復合助磨劑的試驗研究As a new mineral additive of cement and concrete, ground steel - making slag powder has quite high activity and its activity is obvious higher first grade fly ash and close to blast furnace slag. furthermore, its distribution is very wide and quantity is quit plenty in our country
磨細鋼渣粉作為一種新的水泥混凝土摻合料,它的活性明顯優於一級粉煤灰,與礦渣活性不相上下,而且分佈較廣,數量較多,有較高的應用與研究價值。分享友人