portland fly ash cement 中文意思是什麼

portland fly ash cement 解釋
粉煤灰硅酸鹽水泥
  • portland : n. 1. 波特蘭〈姓氏〉。2. 波特蘭〈美國港市〉。3. 波特蘭監獄〈英國 Dorsetshire 的監獄〉 （＝Portland prison）。
  • 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...
  1. Portland blastfurnace - slag cement, portland pozzolana cement and portland fly - ash cement

    礦渣硅酸鹽水泥火山灰質硅酸鹽水泥及粉煤灰硅酸鹽水泥
  2. 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。
  3. 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。
  4. The main achievements in this paper are as following : 1 based on the systematical study about physical properties, particle morphologies and micro - mechanism of ultra - fine fly ash, cufa ii products are successly developed by means of optimizing the particle gradation and activation technique. hprrc composed of cufa ii products and with the strength grade no less than 32. 5r ordinary portland cement can meet the minimum strength index demands. at present, cufa ii has been produced commercially and applied to engineering

    本文主要研究成果如下： 1 、在系統研究了超細粉煤灰的物理性能、形貌、粉體效應微觀機理的基礎上，採用粉體優化組合、活化激發技術，復配的cufa產品與32 . 5r及以上的普通硅酸鹽水泥配製的hprrc可達到12 48h開放交通所需的最低強度指標要求；該產品己工業化生產並推廣應用。
  5. 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
  6. 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

    本文對純硅酸鹽水泥膠凝體系的抗裂性能進行了研究，同時試驗考察了粉煤灰、礦渣、硅灰和外加劑對膠凝體系早期抗裂性能的影響。
  7. Portland fly - ash cement

    硅酸鹽粉煤灰水泥
  8. 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。
  9. 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。
  10. 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。
  11. Influence of curing temperatures on drying shrinkage characteristics of portland cement mortar with high doping of fly ash

    養護溫度對高摻量粉煤灰硅酸鹽水泥砂漿干縮性能的影響
  12. 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
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