pore cement 中文意思是什麼

pore cement 解釋
孔隙膠結物
  • pore : vi 1 注視,細看。2 用心閱讀;細心研究 (on over)。3 沉思,默想。vt 因凝視過度而使(眼睛)疲勞。 ...
  • 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. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參數,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  2. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中,在水化硬化過程中生成一定量的微膨脹結晶體,降低空隙率,改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下,使混凝土產生0
  3. The results showed that the combination of both capillary absorption and moisture diffusion fitted the experimental data very well, pore structures of cement - based materials had great effect on the kinetics of water transport in the materials

    結果表明:只有結合毛細吸收和擴散2種傳輸過程才能很好地表徵水泥基材料內部的水分傳輸過程,材料內部孔隙結構時水分傳輸的動力學過程有很大的影響。
  4. It was shown that resistance of pore solution ( r ) and resistance of electrochemistry reaction ( ret ) increased with the prolongation of hydration ages but r decreased with the augment of coal stone. can indirectly reflect the hydration degree of cement pastes

    研究結果表明,孔溶液電阻隨著水化齡期的延長而增大,但隨著煤矸石摻量的增大而減小;電化學反應電阻隨著水化齡期的延長而增大,且可以間接地反映水泥漿體的水化程度;分形維數值隨著水化齡期的延長而減小,但隨著煤矸石摻量的增大而增大。
  5. The hydration theory and the structure forming of hplc are analyzed through xrd, sem, edxa, and the analysis of pore structure, micro hardness. the model of the interface structure between lightweight aggregate and harden cement paste is divided into 4steps, which are penetrating, hydrating and hardening, diffusing of moisture and ion, forming of optimal interface structure, and the ideal structure model of lightweight aggregate is built

    採用xrd 、 sem 、 edxa 、孔結構分析與顯微硬度技術分析了高性能輕集料混凝土的水化硬化機理及結構形成過程,把輕集料與水泥石之間界面結構形成過程分為滲透、水化硬化、水分遷移與離子擴散、界面結構優化四個階段,提出了輕集料與水泥石之間的界面結構模型和高性能輕集料的理想結構模型。
  6. A study of pore specific surface area and its correlation with the strength of silica fume cement paste

    硅粉水泥石中的孔比表面積及其與強度的相關性
  7. Influence of ground mineral admixtures on pore structure of hardened cement paste and strength of cement mortar

    磨細礦物摻合料對水泥硬化漿體孔結構及砂漿強度的影響
  8. Then, the relationship between effect of cement content on the structural formation and the increase of the strengths of the stabilized soils with various cement contents was analyzed, and it was shown that the structural formation of stabilized soil consisted of soil particle cementing and pore filling

    在此基礎上,對水泥含量不同時,水泥在固化土結構形成過程中所起不同作用及其與水泥土抗壓強度增長規律相互關系進行了分析,提出固化土結構形成由固化劑膠結土顆粒與填充孔隙兩部分構成。
  9. The addition of aluminium powders induced cement mortar to produce a mount of pore, the existing of pore could block path of through pore, so increased cement mortar impermeability. the experiments results revealed that appropriate addition amount of aluminium powders in cement mortar was 0. 004 - 0. 005 wt %

    氣泡的引入可以阻斷水泥石中的貫通孔的通路,從而增加其抗滲性能,通過試驗研究,鋁粉在水泥砂漿中的摻量以( 0 . 004 0 . 005 )為宜。
  10. Abstract : the development of slag cement was summaried and the influence of compound admixtures with three components on strength and pore structure of high content slag cement ( added content 70 % 90 % ) was studied

    文摘:綜述了礦渣水泥的發展、研究了3組分復合外加劑對礦渣摻量(質量分數)為70 % 90 %的高摻量礦渣水泥強度和孔結構性能的影響。
  11. For silt, the relationship between the strength of stabilized soils with various cement contents and the cement content was investigated experimentally, and the formula of cement contents for wrapping soil particle and filling pore during the structural formation of the stabilized soil was derived

    摘要以粉砂土為研究對象,對水泥土抗壓強度與水泥含量關系進行了試驗研究,推導了水泥土結構形成過程中水泥漿包裹土顆粒和填充孔隙所分別對應水泥量的理論計算公式。
  12. Based on a brief introduction of modern nanometer technology in the study on concrete, this paper gives an analysis to the nanopore in base material of cement and the influence of this nano - scaled pore structure on the durability of cement base material

    摘要在簡要介紹砼研究中的現代納米技術的基礎上,分析了水泥基材料中的納米級孔隙結構,探討了納米級孔隙對水泥基材料耐久性的影響。
  13. Via analysis of reservoir, typical gas and tight zone, it has an obvious character that the content of cement controls reservoir property, pore texture growing, definitely effects logging responsibility and micropore controls hydrocarbon content

    經對試氣層段與典型氣層和緻密層分析,認為該區有一個明顯特徵:巖石膠結物的質量分數控制著儲集層物性及孔隙結構的發育程度並對測井響應有一定影響,微孔喉制約著儲層含氣性。
  14. The experiment was done that the cured cement stone with addition of calcined kaolin were dipped into nacl solution of 2. 5wt %, and the experiment results showed that addition of calcined kaolin made cement stone pore fine and cement mortar displayed high property of impermeability

    煅燒高嶺土的摻入可以使水泥石中的孔細化,通過對煅燒高嶺土摻入水泥中標養后在2 . 5氯化鈉溶液中浸泡試驗發現,煅燒后的高嶺土摻入水泥砂漿使其具有極好的抗滲透性。
  15. Further more, the computer code pdss is used to analyze the consolidation process of composite ground with cement - mixed columns under one teaching building and under one laboratory building, respectively, and the principle of the developments of excess pore water pressure in these composite ground and of the settlement is revealed. finally, the fem results are compared with the ones obtained from traditional method and field observation, and the feasibility of using pdss to calculate the settlement of composite ground with cement - mixed colu mns after construction of building is discussed

    進而運用pdss程序對一教學樓和一實驗綜合樓的水泥攪拌樁復合地基的固結過程進行了較完整的數值計算,分析了該類復合地基中超靜孔壓和基底沉降的發展規律,並通過與規范法計算值和現場實測數據的比較,討論了採用pdss程序計算建築物下水泥攪拌樁復合地基沉降和工后沉降的可行性。
  16. It has good practical and academic value for research of interfacial bonding between shaped synthetic macro - fiber and matrix. for concrete consisting of hardened cement, aggregates, pore and micro - cracks of different sizes, reinforcing effects of only one type of fiber are limited, however,

    由於混凝土自身是多相、多組分、多尺度層次的非均質結構特性,單一纖維增強作用是有限的,混雜纖維能在不同結構和不同性能層次上逐級阻裂與強化,達到取長補短的作用。
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