fly ash cement concrete 中文意思是什麼

fly ash cement concrete 解釋
粉煤灰水泥混凝土
  • fly : vi (flew flown )1 飛 (about away forth off out) 飛行;駕駛飛機,坐飛機旅行。2 飛跑;(時間等...
  • ash : n 1 〈常 pl 〉 灰。2 〈pl 〉灰燼;廢墟。3 〈pl 〉骨灰,遺骨;〈詩〉遺骸。4 灰色,蒼白。5 碳酸鈉 ...
  • cement : n 1 水泥。2 膠泥;膠合劑,接合劑,膠;【醫學】(牙科等用的)黏固粉。3 【解剖學】(牙齒的)白堊質...
  • 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 result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  2. The separate addition of micro - silica, ultra - fined slag, high quality fly ash can improve the cement concrete ' s anti - chloride permeability. the result is micro - silica grater than slag grater than fly ash, and the greater the amount that added the greater the improvement is

    5 x而水化產物對氯離于的固化主要為水化氯鋁酸鈣( friedel鹽)生成及c s h凝膠體的層間物理化學吸附作用。
  3. It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g

    本論文的主要成果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。
  4. The microstructure of fly ash foamed concrete and the water resistance of magnesium oxychloride cement foamed concrete were analysed in virtue of sem method, at the same time, whose process to hydrate and carbonization resistance were analysed correspondly

    藉助sem測試手段對粉煤灰發泡混凝土的微觀結構和氯氧鎂水泥基發泡混凝土的耐水性進行了機理分析,同時對其水化過程及抗碳化性能也進行了相應的機理分析。
  5. In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

    本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。
  6. Utilization is of importance for hydraulic concrete. utilization of the industrial scrap such as fly ash for concrete not only saves cement and invest, but also produces and improvement of concrete performance, including the cracking of mass concrete due to hydration heat

    利用粉煤灰等工業廢料生產混凝土不僅可節約大量水泥,減少投資,而且可以改善混凝土的某些性能,包括在大體積混凝土中防止水化熱引起的結構開裂。
  7. Abstract : the result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    文摘:試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。
  8. On the background of the innovation of the wall material and the current situation of the development in china, the regenerative material is synthetically used to prepare new wall material, including high - environmental - protection steam - maintain fly ash bricks ( hsfab ) and self - aerated lightweight concrete ( salc ). the mechanics characteristic, durability and micro - structure of the new wall material are analysed. it shows that the materials are the perfect replacement products of the traditional solid clay brick. two systems of hsfab - cement - steel slag - fly ash - slag and lime - steel slag - fly ash - slag - are designed to fit for the requirement of performance, cost and environmental - protection, etc.

    本課題以國家和地方墻體材料改革政策和發展現狀為背景,綜合利用當地可再生資源研製開發了新型墻體材料體系,該體系包括承重墻體材料? ?高綠色度蒸養粉煤灰磚( high - environmental - protectionsteam - maintainflyashbricks ,以下簡稱hsfab )和非承重墻體材料? ?自發氣輕質混凝土( self - aeratedlightweightconcrete ,以下簡稱為salc ) 。
  9. 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。
  10. The fact that cufa ii based on fly ash is applied to whole plate portland cement concrete pavement rapid repair engineering has not been reported at home and abroad

    以粉煤灰為基材的cufa用於水泥混凝土路面整板快速修補工程中,國內外未見報道。
  11. In this paper, a series of ultra - fine fly ash composite powder ( cufa ii ) products for rapid repair are researched and developed successly with the ultra - fine fly ash as matrix. cufa ii can replace cement equivalently more than 30 %. high performance rapid repair concrete ( hprrc ) in which cufa ii replaces cement equivalently more than 30 % can meet the requirements of opening traffic within 12 ~ 48h, which solves the problem of opening traffic as soon as possible after damaged portland cement concrete pavement are repaired for a whole plate, and the engineering cost is lowered greatly

    本文以超細粉煤灰為基材,研製並開發出粉煤灰復合超細粉快速修補專用摻合料( cufa )系列產品,等量取代水泥30 ,配製的高性能快速修補砼( hprrc )在12 48h內達到開放交通的要求,解決了破損的水泥砼路面整板翻修后快速開放交通這一問題,並大大降低工程成本。
  12. Standard test methods for sampling and testing fly ash or natural pozzolans for use in portland - cement concrete

    硅酸鹽水泥混凝土中使用的飛灰或天然火山灰的取樣和試驗用標準試驗方法
  13. Water cement ratio and mixing fly ash or slag into concrete effect on ability of resisting chloride penetrating that are considered in the model. the effect of environment that include temperature, relative humidity and cumulating of surface chloride concentration of concrete are also considered. moreover, chloride diffusion changing with time is included in this model as well as

    模型中考慮水灰比和混凝土配合比(摻入不同量的粉煤灰和礦渣)變化對混凝土抵抗氯離子侵蝕能力的影響,同時考慮溫度、相對濕度和表面氯離子濃度累積變化等環境因素對氯離子侵入混凝土過程的影響,以及氯離子擴散系數隨時間的變化。
  14. 6. the durability of concrete structures resisting chloride diffusion in different water cement ratio and different contents of fly ash and silica was analyzed and durable life was predicted based on the results of the test, which will be helpful to preparation of high performance concrete ( hpc ) as well as durability design and assessment of concrete structures

    系統地研究了低水膠比及摻加粉煤灰、硅灰的高性能混凝土的電滲透性和氯離子擴散系數,分析了水膠比以及粉煤灰和硅灰等活性集料對混凝土結構抵抗氯離子侵蝕的耐久性能的影響,並對高性能混凝土結構抗氯離子侵蝕的耐久壽命進行了預測,為氯鹽污染環境下高性能混凝土的配製以及混凝土結構耐久性評估與設計提供參考。
  15. The author of this article used orthogonal test design, arranged the test scheme scientifically, selected material carefully, at last yielded an high strength lightweight aggregate concrete material ( hslacm ), whose compressive strength exceeded 50 mpa and quality under 1950kg / m3, mainly by using 42. 5 ordinary portland cement, expanded fly ash aggregate, silica fume, superplasticizers and so on

    本文是在廣泛閱讀國內外有關資料的基礎上,採用正交設計,科學地安排試驗,精心選材,用42 . 5普通硅酸鹽水泥、粉煤灰陶粒、硅灰、高效減水劑等材料,採用一般工藝配製出了一種抗壓強度超過50mpa 、質量低於1950kg m ~ 3的高強輕骨料混凝土材料。
  16. 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。
  17. Based on this system the cracking resistence of portland cement paste system was tested. also the effect of fly ash, slag, silica fume and admixtures on the cracking at early ages was studied. according to the basis relation of stress, strain and the value of limit deformation during the strengthening of concrete architecture, the derivate computing method is applied under different state of load and internal force

    本文從國內外住宅比較入手,較系統地研究了小區規劃建設、造價、投資、物業管理模式及影響因素,運用數學方法,通過典型項目剖析,對小區造價、資金來源等相關問題進行定量分析,為未來小區規劃建設管理的理論研究,項目實施奠定了基礎,提出了方向。
  18. Based on the basic principles of densified systems containing homogeneously arranged ultra - fine particles ( dsp ) and reactive powder concrete ( rpc ) adopted by foreign researchers specialized in building materials, silica rume, ultra - fine fly ash, quartz powder, 52. 5 - class portland cement and superplasticizer were selected and mixed, the theoretic of mixed steel fiber reinforced cement - based composite materials and of micro - aggregate filling voids were applied, the composition was adjusted, the mixture ratio of rpc was optimized, a suitable curing schedule was adopted, in the result, an ultra - high performance concrete designated rpc was successfully prepared by normal technology methods

    本文基於超細粒聚密材料( dsp )和活性粉末混凝土( rpc )配製的基本原理,選用硅灰、粉煤灰、石英粉和硅酸鹽水泥,輔以高效減水劑,採用多重復合的技術路線,運用混雜鋼纖維增強理論和微集料填充密實原理,調整材料組成,優化混凝土配合比,結合適宜的養護制度,在現有技術條件下,成功制備出了rpc200材料。
  19. Nan su, chea - fang wu. ( 2003 ) effect of magnetic field treated water on mortar and concrete containing fly ash. cement & concrete composites 25 p681 ? 688

    張庭瑋, 」強塑劑與水的磁化對混凝土性質的影響」 ,雲林科技大學碩士論文。
  20. The one of most important factor of affecting durabilities in construction concrete is chloride deterioration. the chloride penetration current exceeds 2, 000 coulomb in the no mineral admixtures silicate cement, using 30 % ~ 40 % fly ash it falls to 800 coulomb and the 60 % micro - slag falls to 500 coulomb ; though silica fume reduces penetration current, it deteriorates the workability of concrete

    氯離子侵蝕是影響混凝土結構安全性最重要因素之一,不摻加任何礦物摻合料,氯離子滲透電量一般大於2000庫侖;粉煤灰摻量在30 40 ,滲透電量達到800庫侖;礦粉摻量在60左右,滲透電量達到500庫侖,並具有較高的綜合性能;硅灰可以改善混凝土氯離子滲透能力,但惡化了混凝土工作性。
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