膨脹劑 的英文怎麼說

中文拼音 [péngzhàng]
膨脹劑 英文
bloater
  • : 動詞(物體的長度或體積增加) expand; swell
  • : 動詞1. (膨脹) expand; dilate; inflate 2. (脹大) swell; distend; bloat
  • : Ⅰ名詞1 (藥劑; 制劑) a pharmaceutical or other chemical preparation 2 (某些有化學作用的物品) a...
  • 膨脹 : expand; swell; dilate; inflate; puff; bulge; inflation; expansion; dilatation; buckling; swelling...
  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. To improve the binding strength between the deck slabs and deck surfacing layer of badong changjiang river highway bridge and to provide the surfacing layer with anti - cracking ductility, a series of technical measures has been taken in the construction of the deck surfacing of the bridge, including those of embedding binding reinforcement in the deck slabs, spraying inorganic binding agent between the slabs and layer, replacing part of the cement with micro expansion agent and adding appropriate amount of polypropylene fibers to the concrete

    摘要巴東長江公路大橋橋面鋪裝,通過採取預埋橋面粘接鋼筋、噴塗無機界面粘結、用微膨脹劑替代部分水泥、在混凝土中摻入適量的聚丙烯纖維等措施來提高橋面板與鋪裝層間的界面粘結強度和給橋面抗裂增韌。
  3. The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete

    研究結果表明,水泥的品種和用量是影響混凝土收縮值的主要因素之一,當混凝土中水泥用量超過470kg / m ~ 3時,混凝土的收縮值超過400 10 ~ ( - 6 ) ,在約束狀態下存在高開裂風險;採用細砂使混凝土單位用水量顯著提高,收縮值也大幅增加;優質粉煤灰總體上能抑制混凝土的收縮,以超量方式摻入其抑制作用更加明顯,但粉煤灰混凝土早期的粘聚性較差,應注意養護,以免失水產生龜裂;早強減水和緩凝減水都會使混凝土收縮值增加;膨脹劑只能補償混凝土部分收縮,同時受緩凝和粉煤灰的抑制,而且使混凝土的體積安定性增加了不確定因素,膨脹劑不是解決混凝土收縮裂縫的良方。
  4. Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering

    主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。
  5. On the other hand, prepared negative plate expander is commercially available.

    另一方面,在商業上可購到現成的負極板膨脹劑
  6. The research and application of organic shrinkage reducing agent ( sra ) and non - organic expansion agent ( ea ) are drawing great attention among that of new - type concrete anti - cracking admixtures

    摘要在新型混凝土抗裂外加中,有機類減縮及無機膨脹劑的研究與應用受到了廣泛的關注。
  7. The results of experiment on the relationship between tensile strength, shrinkage, self - desiccation shrinkage and flat restraint cracking show that sra ' s physical shrinkage - reducing effect and ea ' s chemical expansion effect greatly enhance the volume stability of concrete and reduce the probability of early - cracking

    對減縮膨脹劑抗拉強度、干縮、自乾燥收縮及平板約束開裂的試驗結果表明: sra的物理減縮作用及膨脹劑的化學作用,大大提高了混凝土早期的體積穩定性,降低了早期開裂的概率。
  8. It can typecast wet or dry shape sand, improve the cast quality. in a word, it is a fine quality cast sand adhesives, which has the character of dilatability, cohesiveness, floatability. and gel dispersivity, repeated use

    可以澆注濕態和干態型砂,改善鑄件質量,並有良好的復用性,是一種優質的膨脹劑,黏合,懸浮性和膠體分散性的鑄造型砂粘結
  9. The results indicate that the strength of mortar with early - strength admixture and uea expansion admixture will improve largely

    結果表明,摻有早強型減水和uea膨脹劑的砂漿的強度有了較大程度的提高。
  10. Uea, a key research fruit of china construction material research institute, merges the pith of china expansion concrete, former ussr expansion concrete and usa expansion concrete, is a special concrete additive

    我公司的所有產品均按國家標準組織生產,產品質量穩定可靠, u型混凝土膨脹劑uea是中國建築材料研究院一項重大科研成果。
  11. Incorporating with mineral admixtures could control the tendency of evening shrinkage of hpc, but the effect is not much remarkable. and the expansive agent uea could compensate shrinkage, but different curing conditions have significant effects on the volume stabilization of hpc. it is necessary to enhance the water curing at the young age and try the best to prolong the curing time

    本文對高性能混凝土體積穩定性的特點及其補償措施進行了系統的研究,主要包括:指出了水膠比對高性能混凝土體積穩定性的影響;分析了摻礦物外加高性能混凝土體積穩定性的特點;研究了聯合摻加礦物外加膨脹劑對高性能混凝土收縮的補償效果;探索了用型中熱水泥來配製高性能混凝土對收縮的改善。
  12. This kind of adglutinate mixed with u expansion admixture can grip anchor bolts tightly even underwater, as can be seen from the pull - out type tests for anchor bolts when the mortar age is over 10 days. ( 2 ) the author lays the supporting piles as a arched shape

    將摻加了u型微膨脹劑的砂將作為錨桿水下膠結物,由錨桿齡期10天的抗拔試驗結果可以看出,這種膠結物的握裹效果很好。
  13. 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。
  14. The study on hpec mortar shows that restricted expansive ratio ( e2 ) increases in the curve of parabola with the increase of the dosage of calcium sulphoaluminate ( csa ) expansive agent. so there is a suitable range of csa dosage ( generally 6 % - 12 % ). in this range, e2 of hpec mortar can reach as high as ( 5 - 10 ) 10 ~ 4, and the strength is not decreased

    對hpec砂漿的研究表明,限制率隨膨脹劑csa摻量的增加呈拋物線形式遞增,存在一個合適的csa摻量范圍(一般為6 - 12 ) ,在該范圍內hpec砂漿限制率可高達5萬- 10萬,且保證強度不下降,這就為設計不同能級混凝土而又保證混凝土強度等級提供了空間。
  15. In practical uses, the major performances of concrete are associated with the quantities, types and the service conditions of the expansion - admixture. the expansion admixtures of concrete available at present still have many shortcomings, such as the greater quantities required, the non - relevance between developments of concrete strength and durability and expanding speeds of expansion admixture, the evaluation of expanding effects, the def of aft etc. unfortunately, few achievements in these aspects have been obtained all over the world

    在實際使用中,膨脹劑類型、摻量及其使用條件對混凝土的主要性能影響很大,現有的膨脹劑存在著實際摻量較大、混凝土強度及耐久性發展與膨脹劑速率不協調、效能如何評價、鈣礬石aft相延遲性反應( def )等一系列問題,而目前國內外這方面的研究成果較少。
  16. The major performances of concrete and mortars, which are mixed with different quantities of expansion admixtures under the same mix proportions, are studied systematically and deeply in this work. sulphoaluminate mixed with a type of new expanding component by use of the composite methods are studied in the laboratory, and some achievements have been obtained. the service conditions, the characteristics and the shortcomings of expansion admixture in the concrete engineering are analyzed and summarized based on literatures, and the expanding mechanism of concrete is discussed

    本文試圖從膨脹劑不同摻量研究其對混凝土和砂漿主要性能的影響,進行了一系列宏觀力學性能試驗研究;利用差熱分析( dta ) 、掃描電子顯微鏡( sem )等分析手段對鈣礬石等水化產物的結晶和生成量、形貌特徵進行微觀分析;並採用復合方法摻加新型組分對硫鋁酸鹽類膨脹劑( uea )進行了改性試驗研究,根據多因素模糊綜合評價方法就各類膨脹劑的主要性能進行綜合評價,得出摻加新型組分pt的膨脹劑性能較優,取得了明顯的效果。
  17. It has a good compensation to shrinkage, and can improve the anti - cracking and anti - penetrating performance of concrete. it is often added to concrete to produce expanding concrete or the anti - cracking and anti - penetrating concrete, which are widely used in such engineering as waterproofing, anti - penetrating, mending etc. the expansion admixture include at present sulphoaluminate such as uea, ea - l etc ), calcium oxide, and some composite expansion admixtures

    混凝土膨脹劑在普通混凝土中可抵消干縮或溫度降低引起的拉應力,起到良好的補償收縮作用,能提高混凝土的抗裂防滲能力,常用於配製混凝土或抗裂防滲混凝土,廣泛地應用於防水、抗滲、修補等工程中。
  18. Research on the hydrate mechanism of green and low - alkali concrete expansion agent

    綠色低堿混凝土膨脹劑水化機理研究
  19. The influence of shrinkage - reducing agent, polypropylene fiber and expansion agent on strength and dry shrinkage of the concrete were systematically tested

    系統測試了減縮、聚丙烯纖維和膨脹劑對砌塊材料強度和干縮性能的影響規律。
  20. By routine test and base experience, with contrastive method, the appropriate mix content and the effect to concrete strength of a kind of expansion agent were studied

    摘要通過常規實驗和基礎實驗,採用對比的方法,研究了膨脹劑的適宜摻量和對水泥砂漿強度的影響。
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