superplasticizer 中文意思是什麼

superplasticizer 解釋
超塑化附加物
  1. The results of research on the workability of hbc concrete show that hbc concrete, when compared with opc concrete, has excellent compatibility with superplasticizer, in terms of better initial fluidity, less slump loss, definite saturation point and less dosage at saturation point. in addition, good mineral admixture such as i class fly ash can obviously improve the workability of hbc concrete. moreover, hbc concrete exhibits more excellent workability under the condition of low w / c ratio, which indicates hbc is more suitable for making super high strength concrete whose w / c ratio is very low

    對高貝利特水泥高性能混凝土工作性能的研究結果表明,高貝利特水泥與高效減水劑具有良好的適應性,表現為初始流動度較大,經時損失較小,具有明顯的飽和點且飽和點摻量較小;此外,優質的礦物摻和料如一級粉煤灰能明顯改善hbc混凝土的工作性能;更為突出的是hbc混凝土在低水膠比的情況下表現出更為優異的工作性,這一特性預示著高貝利特水泥更適宜配製水膠比很低的超高強混凝土。
  2. By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved

    通過控制這些因素提高了密胺樹脂高效減水劑的羥甲基化率和磺化率,改善了產物性能。
  3. The parameters of synthesizing technology of traditional melamine resin superplasticizer were optimized, and the distinct parameters were ascertained through the perpendicular experiments

    以正交試驗為基礎優化了傳統密胺樹脂高效減水劑的合成工藝參數,找出了顯著影響因素。
  4. The major reason for the occurring of nonconformance between cement and superplasticizer lies in the fact that large amount of superplasticizer is absorbed by hydrates

    水泥與超塑化劑相適應性不好主要是水泥水化產物吸附大量的超塑化劑所致。
  5. Factors which can accelerate the early hydration of cement, the setting in particular, such as excessively high c3a content, too low so3 content, high alkali content and the blending of pozzolana with large inner specific surface area, etc., will result in poor compatibility of the superplasticizer with cement

    凡是加速水泥初期水化的因素,特別是使水泥凝結加速的因素如c3a含量過高、 so3摻量過少、堿含量高以及摻入內比表面積大的火山灰質混合材等均使水泥與超塑化劑的相適應性變差。
  6. 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。
  7. Study of adsorbability of cement for superplasticizer with different clinker modulus and mineral composition

    熟料率值及礦物組成不同的水泥對高效減水劑吸附性能的研究
  8. The research result indicated that on the condition of the same mortar fluidity, the preventing effects of mineral and superplasticizer compounded on aar are better than that of mineral used singly, the preventing effects of mineral admixture and entraining agent compounded are better than that of mineral admixtures used singly, the preventing effects of mineral and superplasticizer and entraining agent compounded are lower than that of mineral admixture and entraining agent compounded. the research achievement has some guiding sense on the recognition of aar prevention in pumping hpc and the researches of test methods for determining the alkali reactivity of aggregate used in hpc

    研究結果表明:在相同砂漿流動度條件下,減水劑與礦物摻合料復合使用對堿?骨料反應的抑制作用大於礦物摻合料單獨使用的抑制作用;引氣劑與礦物摻合料復合使用對堿?骨料反應的抑制作用優于礦物摻合料單獨使用的抑制作用;減水劑、引氣劑與礦物摻合料三元復合使用對堿?骨料反應的抑制作用小於引氣劑與礦物摻合料二元復合使用的抑制作用。
  9. The synthesis technology of polycarboxylic acid superplasticizer

    聚羧酸系高性能減水劑的合成技術
  10. Dense of structure and development of final properties were benefited from retardation of hydration. in contrast, cement hydration process was controlled better by polycarboxylate superplasticizer than the other three superplasticizers owing to its stereoscopic action. and its adaptability to cement was better, by which the cement particles were

    相比之下,聚羧酸鹽高效減水劑由於其良好的空間位阻效應,能夠使水泥顆粒呈完全分散狀態,與其他三種高效減水劑相比可有效控制水泥水化歷程,與水泥適應性較好。
  11. Consequently concrete production practices are now being conducted by relying on more experiences or trial and error than related theory. so the study on the interfacial chemistry phenomena and rheological properties of the “ cement - water - superplasticizer ” system is in active demand. the systematical study on the interfacial properties and their influence factors based on the theory of colloidal science, interface chemistry, chemistry of cement and polymer science were conducted in order to establish the relationship among interfacial properties, microstructure and rheological characteristics of “ cement ? water - superplasticizer ” system, and provide the theoretical guide for the manufacture and applications of cement, concrete and superplasticizers

    本文選擇「水泥-水-高效減水劑」系統的界面化學現象和流變特徵作為研究課題,旨在通過深入系統地研究水泥與高效減水劑在水介質中的一系列界面化學現象及其影響規律,利用膠體化學、界面化學、水泥化學和高分子化學的相關基礎理論,分析水泥與高效減水劑的相互作用機理,確定系統中界面化學現象、系統微觀結構和流變特性的關系,指導水泥、混凝土及外加劑的生產實踐。
  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. The properties of the new superplasticizer were studied by comparison with naphthyl type, including its effects on the fluidity and the slump - loss of cement paste and concrete ; its effects on the strength of the cement was also investigated. it has a good compatibility with cements of different types

    將合成的hp高效減水劑與萘系高效減水劑的性能進行了系統的比較研究,包括分散性能、保塑性能;對水泥凈漿的流變性能的影響;與水泥的相容性;對水泥凝結時間的影響等等。
  14. The result of experiment states hpc which initial slump is more than 230mm, after 120min is still above 190mm ; the 7d and 28d hydration, the compression strength of concrete is more than vompa and 90mpa can be made from the ground high - ti bfs instead of 10 - 30 percent of equal p. o. 525r, with the aid of superplasticizer and additive on the water cement ratio is 0. 26

    利用磨細的高鈦礦渣等量取代10 - 30的硅酸鹽水泥,並摻入高效減水劑b和外加劑ua ,在水灰比為0 . 26時,可以配置出初始塌落度大於230mm , 120min后,塌落度仍大於190mm , 7天強度大於70mpa , 28天強度大於80mpa的高性能混凝土。
  15. Abstract : based on composite testing of naphthalene superplasticizer and different retarders as well as retarding water reducer, in which the overall amount of admixture is certain, this paper analyzes the influence of these multicomponent admixtures on flowability of neat cement 、 retarding action and development of strength of colloidal mortar. the result shows that compatibilities of different components are different, and composition effects are also different

    文摘:在總摻量一定的情況下,就萘磺酸鹽高效減水劑與不同緩凝組分、緩凝型減水劑等復合后對水泥凈漿流動度、緩凝作用、膠砂強度發展等性能的影響作用進行了試驗分析,結果表明各不同組份復合的相容性不同,復合效應也存在差別。
  16. Synthesis and property of superplasticizer of polycarboxylate series

    聚羧酸系超塑化劑的合成及性能研究
  17. Performance of shrinkage - reducing and anti - cracking concrete superplasticizer and its action mechanism

    減縮抗裂型混凝土超塑化劑的性能及其作用機理
  18. Several questions about the compatibility of superplasticizer with cement for ready - mixed concrete are discussed from the standpoint of cement chemistry

    從水泥化學角度討論了預拌混凝土用的水泥與超塑化劑相適應性的幾個問題。
  19. Superplasticizer mainly absorbs on the cement hydrates covering the surface of cement particles instead of on the surface of unhydrated particles

    超塑化劑主要是大量吸附在水泥顆粒表面的水化產物上而不是吸附在未水化水泥顆粒表面。
  20. By testing according to correlation criterions, the performances of jd such as ratio of water - reducing, ratio of compressive strcngth, effect of accelerating and enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn

    按照相關標準進行測試,所開發的改性密胺樹脂高效減水劑的各種性能如減水率、抗壓強度比、早強增強效果、泌水率、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等都遠遠優于傳統的三聚氰胺高效減水劑sm ,也優于萘系高效減水劑fdn 。
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