modified cement 中文意思是什麼

modified cement 解釋
改良水泥
  • modified : 變更的
  • 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. In this paper the properties of the polymer modified cement mortar are studied of didy formwork concrete surface coated layer for protection. the emphasis is focused on the permeability and cracking - proof feature

    本文主要對模網混凝土聚合物改性水泥砂漿保護層的性能進行研究,著重探討了與耐久性密切相關的抗裂性能和抗滲性能。
  2. The mechanical properties and the resistance to water and heat of the polymer modified cement based waterproofing coating are greatly improved by the synthesized melamine resin

    三聚氰胺甲醛樹脂交聯劑可明顯改善聚合物水泥基塗料的力學性能、耐熱性能和耐水性能。
  3. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。
  4. Abstract : the situation of vae waste water and waste residue applied in the process of paints, adhesive, modified cement, thermal insulation materials is introduced in this paper

    文摘:介紹了vae廢水和廢渣在塗料、粘合劑、水泥改性以及保溫材料加工中的應用情況。
  5. They can also be used for fiber sizing, textile finishing, the reinforcing agent for cement and ceramics, and the preparation of various kinds of latex paints, and all kinds of special adhesion agents. the products of vinyl acetate - acrylic ester copolymer emulsion, which have overcome some defect of homopolymerized products, are newly developed. the modified emulsion has stronger water resistance, better flexibility, and lower glass state temperature

    醋-丙共聚系列乳液產品是針對均聚產品的某些缺陷而發展起來的新膠種,它通過醋酸乙烯與丙烯酸脂類共聚改性,提高膠粘劑的耐水性和柔韌性,降低共聚物的玻璃化溫度,使產品對一些均聚乳液難以粘接的材料具有良好的粘接性能,主要產品有:寶麗板膠鋁箔紙膠塑板膠等。
  6. Polymer modified asphalt cement for use in pavement construction

    聚合物改性道路瀝青
  7. Standard specification for chemically modified asphalt cement for use in pavement construction

    用於路面建造的化學改良瀝青水泥的標準規范
  8. This thesis also first presents the most straightforward and the most effective evaluation indexes on the qualities of crack filling and pothole repair, compares and analyzes the properties, the applicable situations, the strong and the weak points of crack filling materials ( such as hot asphalt cement, emulsified asphalt, modified asphalt, etc. ) and pothole repair materials ( such as hot - mix asphalt mixture and cold - mix asphalt mixture ). on the basis of the permanent demands on repair, this thesis sums up and lists the maintenance steps in crack filling and pothole repair, and advances the procedure designs to be directly adopted by maintenance workers of asphalt roads

    首次提出了評定瀝青路面裂縫填封和坑槽修補質量好壞最為直接、有效的評價指標,分別對用作裂縫填封材料的熱瀝青、乳化瀝青和改性瀝青及用作坑槽修補材料的熱拌瀝青混合料和冷拌瀝青混合料的性能、適用場合及優缺點進行了比較分析,並按永久性修補要求,歸納提煉了裂縫填封和坑槽修補的工藝步驟,提出了可供瀝青路面養護人員直接採用的工藝方案。
  9. Test code on polymer - modified cement martor

    聚合物改性水泥砂漿試驗規程
  10. Study on mechanical properties of polymers modified cement mortars

    聚合物乾粉改性水泥砂漿力學性能的研究
  11. When cement mortar mixed into pae, its mechanics performance modified evidently

    即普通水泥砂漿的強度較低,耐久性能較差。
  12. The modified copolymer solution has lower surface tension than the unmodified one. by measuring adsorptive content, we find that the adsorptive content of fdn superplasticizer is higher than the modified copolymers, but their adsorptive shape on the surface of the cement particles is different. measuring of potential of cement particle indicated that higher potential leads to better dispersibility for used superplasticizer

    通過對減水劑的表面張力、吸附量、 5電位研究,發現改性后的減水劑均比未改性的共聚物更能降低水的表面張力;茶系減水劑比合成的減水劑具有更大的飽和吸附量,但彼此的在水泥顆粒表面的吸附形態並不相同:減水劑一水一水泥體系具有雙電層,加了減水劑的水泥膠粒的電負性顯著增加,改性后產物的負電性與改性前相比明顯增加。
  13. Specifications for polymer modified cement grouts for ceramic tile installation

    陶瓷磚鋪設用聚合物改良水泥薄泥漿規范
  14. Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume

    結合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。
  15. The influences of polymer on hydration of cement in mortar were analyzed by sem, and the mechanism of polymer modified mortar was discussed

    通過掃描電子顯微鏡分析聚合物摻入到砂漿中對水泥水化的影響,探討聚合物對砂漿的改性機理。
  16. Standard test method for time of setting of hydraulic cement mortar by modified vicat needle

    用改良的維卡特針測定水凝水泥灰漿凝固時間的標準試驗方法
  17. In the aspect of mortar permeability the author has done some experiments, including the water absorption, porosity, weatherability, anti - freeze - thaw cycle, carbonation and the chloride diffusion experiment, and compared those properties with conventional mortar to testify the modified effects. on the base of these experiments, the method of sem was used to analyze the microstructure and hydration mechanism of polymer modified cement mortar, and the author draws a conclusion that the 9 percent of polymer - cement ratio is the optimum ratio

    在改進砂漿的密實度和抗滲性能方面,主要進行了不同聚合物摻量下的吸水性試驗、可透孔隙率試驗、耐老化性試驗、抗凍性試驗、抗碳化試驗,以及對耐久性能影響最大的快速氯離子擴散試驗,並和普通砂漿的相應試驗進行了對比分析,驗證了聚合物砂漿的改性效果。
  18. In order to develop the high performance polymer modified cement based waterproofing coating, cross - linking modification and nanometer modification were used to improve its performance based on the research of the relationship of its structure and performance in this paper. the microstructure of the waterproofing films was analysised by sem, tem, afm, xrd and ftir, and its mechanical property, ageing performance and resistance to water were studied

    為研製高性能聚合物水泥基防水塗料,本論文在對聚合物水泥塗膜的結構與性能關系的研究基礎上,通過交聯改性和納米改性來提高聚合物水泥基防水塗料的性能,採用sem 、 tem 、 afm 、 xrd和ftir等測試方法對改性聚合物的結構進行了表徵,並對改性防水塗膜的力學性能,耐水性能,耐紫外老化性能和耐熱老化性能進行了研究。
  19. Concrete constituent materialspolymer - aggregates, cement, concrete, diagnostic tests, grout, gypsum, mineral filler, mortar, polymer latex, polymer modified mortar, pulverised fuel ash, repaired mortar and water

    混凝土組成物料聚脂(砂石、水泥、混凝土、診斷測試、灌漿、石膏、灰漿、聚脂膠漿、修葺用砂漿、聚脂強力砂漿、煤灰、水)
  20. The paper adopts such materials as common cement materials, mineral modified cement - based materials, polymer modified cement - based materials and epoxy resin and places emphasis on the polymer modified cement - based materials. polymers include np powder, sbr latex, acrylic acid latex, pure acrylic acid latex, chlorobutyl latex and epoxy latex

    研究中採用的界面粘結材料有普通水泥基材料、礦物摻合料改性水泥基材料、聚合物改性水泥基材料和環氧樹脂,其中重點研究了聚合物改性水泥基材料,所用聚合物包括np粉末、丁苯乳液、丙烯酸乳液、純丙乳液、氯丁乳液、水乳環氧。
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