早期收縮 的英文怎麼說

中文拼音 [zǎoqīshōusuō]
早期收縮 英文
early contraction
  • 早 : Ⅰ名詞1 （早晨） morning 2 （姓氏） a surname Ⅱ副詞（很久以前） long ago; as early as; for a long ...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 縮 : 縮構詞成分。
  • 早期 : early stage; early phase; prophase （細胞分裂）
  • 收縮 : 1 （由大變小; 由長變短） contract; shrink 2 （緊縮） concentrate one s forces; draw back 3 take u...
  1. Study on early autogenous shrinkage of high strength lightweight aggregate concrete hslwac

    高強輕集料混凝土的早期自收縮研究
  2. 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；早強減水劑和緩凝減水劑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，同時受緩凝劑和粉煤灰的抑制，而且膨脹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。
  3. 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

    對減縮劑與膨脹劑抗拉強度、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膨脹作用，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。
  4. This paper aims at the seriousness of concrete structure crack and presents one of main cause is that concrete early - age ( especially autogenous shrinkage ) become large through the systems academic analysis

    本文正是針對混凝土結構工程早期裂縫的嚴重性，通過理論分析，指出目前混凝土早期收縮（主要自收縮）的變大是造成這種早期裂縫的主要原因之一。
  5. Due to high quantity and grade of cement, early shrinkage of super high strength & high performance concrete is larger than that of ordinary concrete

    超高強混凝土由於採用高水泥用量和高標號水泥，其早期收縮明顯大於普通混凝土。
  6. To the common concrete, adding fly ash or blast furnace slag can decrease the shrinkage rate, but adding silica fume deteriorate the shrinkage rate

    其早期收縮主要是塑性收縮，而後是冷縮和自收縮，長期收縮以乾燥收縮為主。
  7. The paper has studied the influence of water - cement ratio on the early - age shrinkge and whole shrinkge through self - deviced experimental apparatus for measuring early - age shrinkage

    通過自行設計早期收縮測試裝置研究了水灰比對混凝土早期收縮的影響規律並在此基礎上測試了混凝土總收縮。
  8. The result of test shows it is not accurate to estimate concrete shrinkage if the early - age shrinkge is ignored, since the early - age shrinkge comprises the most part of the whole shrinkge

    試驗結果表明：混凝土早期收縮占混凝土總收縮較大的比例，忽視這種收縮不能準確反映混凝土收縮本質。
  9. The ring test result shows that tendency of concrete cracking is consistent with shrinkage and veritifies early - age shrinkage is responsible for the concrete early - age crack

    通過圓環法混凝土抗裂試驗，驗證了混凝土收縮與開裂趨勢的一致性，進一步證明了早期收縮對混凝土早期裂縫的重要影響。
  10. The effects of plain concrete expanding admixture on the early shrinkage of high performance concrete

    普通混凝土膨脹劑對高性能混凝土早期收縮的影響
  11. The original emm is adjusted. the new emm not only retains the simple expression, but also has a satisfied precision for calculating the restraining stress of the scc walls. the shrinkage compensation coefficient y is proposed for quantitatively estimating the effectiveness of die expansion at early age compensating the shrinkage at later stage

    基於以上認識，修正了原有的等效模量法，將總約束應力表示為早期膨脹和後期收縮兩個單調變形過程引起的分項應力之和，在保留其簡單形式的同時，使之在容許誤差下，適用於補償收縮混凝土墻的約束應力計算。
  12. Since pump high - flowability concrete commenced in late 70 ' s, it has been put to extensive application due to its advantages of fast, high - efficiency and stable quality. but its high flowing property and pumpability also cause some negative effects, such as serious shrinkage cracks at early age, which arouses wide social concern

    泵送高流態混凝土自從70年代末期產生以來，以其快速高效、質量穩定等特點得到了廣泛的應用，但它的高流動性和可泵性也產生了一些負面作用，如早期收縮開裂現象比較嚴重，引起了社會的普遍關注。
  13. Due to the fact that the study consequence about the influence of water - reducing admixture on the early - age shrinkge is scarce, this paper also broadly study influence of water - reducing admixture on the early - age shrinkge, drying shrinkage and whole shrinkge

    研究結果證明，三類減水劑都增大了混凝土的早期收縮且增幅較大高達200 - 300 ，最終總收縮增幅達80 - 90 ，遠遠超過現行規范規定的收縮比。
  14. Adding expansive admixture is the main material measures to control concrete structure crack in our country at present, however, influence of expansive admixture on the early - age shrinkge has never been reported detailedly in or abroad

    摻加膨脹劑是目前我國控制混凝土工程裂縫的主要材料措施，然而對摻膨脹劑混凝土早期收縮的研究報道很少，本文對此進行了研究。
  15. Effects of shrinkage reducing admixture and polypropylene fiber on early age shrinkage cracking of concrete

    減縮劑與聚丙烯纖維對混凝土早期收縮開裂的影響
  16. Simultanously, the influence of mineral admixture on the early - age shrinkge and early - age shrinkage mechanisms is studied in this paper

    國內外關于減水劑對混凝土早期收縮影響的研究極少，本文對此進行了較為系統的研究。
  17. By the apparatus for measuring early - age shrinkage, the principle of this shrinkage and the measures to control it has been studied in this paper

    通過混凝土早期收縮試驗，研究探索了這種收縮的影響規律並提出相應的改善或抑制措施。
  18. A new type of apparatus for measuring early - age shrinkage is presented on the basis of advantages and disadvantages of the fellow apparatus in or abroad

    綜合研究國內外早期收縮測試裝置的優缺點，本文改進研製出一種混凝土早期收縮自動測試裝置。
  19. This part is investigated in this paper. what ' s more, a new type admixtures - shrinkage - reducing admixture is also studied with respct to the concrete shrinkage. results indicates that expansive admixture and shrinkage - reducing admixture both decrease early - age shrinkage, but the shrinkage - reducing admixture has the merits of more stable shrinkage - reducing ratio, lower drop in elavation of shrinkage, more substantial reduction in overall shrinkage and so on

    此外，減縮劑是一種專門用於減少混凝土乾燥收縮和自收縮的新型外加劑，本文也研究了其對混凝土收縮作用效果，試驗結果表明：膨脹劑和減縮劑都具有改善混凝土早期收縮的作用效果，但同膨脹劑相比，減縮劑具有減縮穩定，收縮落差小易適應變化，改善效果更明顯等優點。
  20. The extensive application of high strength and high performance concrete has already obtained great technique, economy and social benefit, but its early cracking is serious, which is the important problem that the social concerned

    高強高性能混凝土的廣泛應用已取得了顯著的技術、經濟和社會效益，但是它的早期收縮開裂現象嚴重也已成為社會普遍關心的重要問題。
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