收縮裂縫 的英文怎麼說

中文拼音 [shōusuōlièféng]
收縮裂縫 英文
cheek crack
  • : 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...
  • : 縮構詞成分。
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 縫名詞1. (接合處) seam 2. (縫隙) crack; crevice; fissure; slit
  • 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...
  • 裂縫 : 1. (裂開的縫兒) rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
  1. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  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,混凝土的值超過400 10 ~ ( - 6 ) ,在約束狀態下存在高開風險;採用細砂使混凝土單位用水量顯著提高,值也大幅增加;優質粉煤灰總體上能抑制混凝土的,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;早強減水劑和緩凝減水劑都會使混凝土值增加;膨脹劑只能補償混凝土部分,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. Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures

    鑄件內部的其它一些缺點是,凝固過程中,在不均勻造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下,出現的清晰和熱撕
  4. There are three kinds of crack include of structure crack, diagenetic crack and synaeresis crack in this area

    該區主要有構造、成巖三種類型。
  5. The proportion of plastic shrinkage cracking is rather high in early cracking. the plastic shrinkage cracking would effect construction appearance and promote the propagation of drying shrinkage cracking or other types cracking, but also provide a passage for aggressive agents penetrating and moving to the concrete mass

    塑性收縮裂縫在早期中佔有相當大的比重,其存在不僅影響工程外觀,促使乾燥收縮裂縫或其它形式的發展,而且還將為侵蝕性介質向混凝土基體滲透、遷移提供通道,對混凝土的耐久性造成嚴重影響。
  6. This thesis investigated and researched on non - loaded crack, especially those caused by thermal - shrink, and analyzed the thermal - shrink stress of beam, slab and continuous - wall, found that according data of civil and overseas offered thermal - shrink calculating formula without considering effect of factors, such as the cement quantity, using of aruhuesiru, aggregate size and quantity of sand, which made the result data smaller. in addition, there are not enough construct measure in code

    本文對非荷載,特別是溫度?收縮裂縫進行了調查研究,並對兩端或四周約束的梁、板和底部約束的地下連續墻進行了應力分析,發現國內外有關文獻給出的計算公式沒有考慮泵送商品混凝土的水泥用量、外加劑使用、骨料粒徑和砂用量等因素的影響,計算出的混凝土量往往偏小;另外, 《規范》中針對溫度?收縮裂縫的構造措施不足。
  7. 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的嚴重性,通過理論分析,指出目前混凝土早期(主要自)的變大是造成這種早期的主要原因之一。
  8. There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete

    水電行業有句「無壩不」的俗話,產生的原因主要有「堿集料反應」造成的破壞性膨脹,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積等造成。
  9. The thesis studies the influence of compounding polypropylene fiber and expansion agent to plastic shrinkage of mortar

    摘要混凝土的塑性收縮裂縫,是其結構原生缺陷的主要來源,無論是否可見,都會影響混凝土的耐久性。
  10. When the confined shrinkage value which resulted from the confined action of all above shrinkage exceed the ultimate tensile strain, cracks occur

    各種變形疊加后,混凝土的限制值超過極限拉伸率導致的產生。
  11. According to the genetic classification, fracture system can be classified as follow : structure fracture, regional fracture and shrinkage fracture

    系統按其成因分類可分為:剪、擴張和拉張。按地質分類可分為:構造、區域收縮裂縫
  12. In the paper the effects of the made parameters, the main materials and environmental conditions on plastic shrinkage cracking were investigated. it can be concluded as following : 1 ) there was a critical w / c ratio of maximum plastic shrinkage cracking between lower and higher w / c ratio of concrete mixtures made with the same cement content per cubic meter, concretes with lower or higher w / c ratio being less prone to plastic shrinkage cracking and the w / c critical ratio critical of maximum plastic shrinkage cracking being about 0. 5

    本文研究了配製參數、主要原材料以及環境條件對新拌混凝土塑性收縮裂縫的影響,結果表明: 1 )單方混凝土水泥用量一定時,較低水灰比和較高水灰比對應的混凝土拌合物不易開,而中間某一臨界水灰比對應的混凝土拌合物開較嚴重,這一臨界水灰比為0 . 5 ;單方混凝土水用量或水泥漿量一定時,混凝土拌合物的塑性開趨勢與上述情況相似,但臨界水灰比分別為0 . 45 - 0 . 4和0 . 4 。
  13. Effects of water - cement ratio on plastic shrinkage cracking of concrete

    水灰比對混凝土塑性收縮裂縫的影響
  14. Analysis and control of contraction cracks for pumped concrete

    混凝土收縮裂縫原因分析與控制
  15. The material of cement - treated aggregate based on new strength standard has the enough strength and little shrinkage that is helpful to decrease shrinkage crack of cement - treated aggregate and reflective crack of asphalt layer

    經試驗驗證,根據該標準所確定的水泥穩定碎石基層的級配組成、強度均符合要求,且量小,致使其收縮裂縫減少,瀝青面層的反射也相應減少。
  16. There was a borderline w / b ratio, above which concretes containing fly ash or silica fume were more sensitive to plastic shrinkage cracking than that of concretes without fly ash or silica fume, and below which fly ash or silica fume high performance concretes can restrain the plastic shrinkage cracking

    6 )在室內控制環境條件下,降低環境溫度、風速以及提高相對濕度均可減少新拌混凝土水分蒸發速率,從而減少塑性收縮裂縫。相比之下,提高環境相對濕度對減少水分蒸發和更為明顯。
  17. The results shows that the combined use of fibers and expansions was superior to the use of fibers or expansion agents alone in reducing the amounts of plastic shrinkage cracks and diminishing the size of cracks, and it improved the resistance to plastic shrinkage crack extremely

    文章研究了聚丙烯纖維和膨脹劑復合對砂漿塑性收縮裂縫的影響,結果顯示,纖維與膨脹劑復合,在減少塑性收縮裂縫數量和細化兩個方面均優于纖維或膨脹劑的單獨作用,砂漿抵抗塑性能力顯著提高。
  18. 2 ) to a certainty of sand percentage, concretes with moderate critical sand percentage which changed in about 36 % - 43 % were more sensitive to plastic shrinkage cracking than concretes with lower or higher sand percentage. 3 ) concrete made with lower strength grading cement was more prone to plastic shrinkage cracking than that of concrete made with higher strength grading cement

    4 )粉煤灰和硅灰對混凝土塑性收縮裂縫的影響與拌合物的實際水膠比有關,存在一個水膠比界限,在此界限之上,摻入粉煤灰或硅灰的混凝土較易開,在此界限之下,粉煤灰或硅灰高性能混凝土對塑性收縮裂縫具有抑制作用。
  19. Based on that, the reason for producing cracks and the calculation must be analyzed. especially the dissertation expounds the contract cracks in out restriction

    基於此,首先分析了產生的原因及控制計算,特別是對外約束產生的收縮裂縫進行了詳細分析。
  20. Because concrete can be made diversified form and dimension, and have favorable wearing, and it ’ s cost is very low, concrete is the used very widely and generous, but the shrinkage of concrete is puzzling all the engineers, especially the pumping concrete, high performance concrete and high intension concrete. so it is necessary to invent a new shrinkage reducing agent

    但是混凝土的收縮裂縫一直是困擾著工程界的一個難題,尤其是泵送混凝土、高性能混凝土( hpc )及高強混凝土( hsc ) ,所以開發一種新型的、能夠有效降低混凝土的混凝土減劑意義重大。
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