收縮開裂 的英文怎麼說

中文拼音 [shōusuōkāiliè]
收縮開裂 英文
shrinkage cracking
  • 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。
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 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. 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裂性能良好，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裂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，抗裂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裂縫，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. This paper analyzes the influence of sra on the shrinkage - cracking property of hpc by designing five check - up experiments including desiccation - shrinkage, autogeous shrinkage, flat - restraint, anti - chloride ion penetration and ultimate tensile strain

    摘要設計了乾燥收縮、自收縮、平板約束、抗氯離子滲透性以及極限拉應變等5種試驗方法來檢驗減縮劑對高性能混凝土收縮開裂性能的影響。
  4. 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。
  5. Mineral admixtures have unsuperseded advantages in improving the workability and durability of self - compacting concrete. the reasons of tendency of cracking in self - compacting concrete and the influence factors have been studied, and the new type of mineral admixture has been used in high performance self - compacting concrete, and its defects such as high slump - losing and shrinking or cracking is successfully prevented

    分析了免振搗混凝土容易產生收縮開裂的原因及其影響因素，將研製的新型礦物添加劑應用於免振搗高性能混凝土之中，解決了免振搗混凝土坍落度經時損失大、易產生收縮開裂等技術難題，配製出免振搗微膨脹高性能混凝土。
  6. Based on theoretical analysis and computational model, a three - dimension numerical simulation software 3c3d ( concrete cracking control 3d ) was finished in which finite element and finite difference method were both hired. compared with the known data, good agreement proved it reliable and practicable. finally, by means of the software, with variant of environmental temperature and relative humidity and different curing conditions, the variety regulation of temperature and humidity and the stress due to them within concrete were analyzed

    然後針對收縮開裂的本質因素即混凝土內部的溫度梯度和濕度梯度，進一步從理論上分析了高強高性能混凝土早期溫濕度場隨齡期發展的分佈情況，分析溫濕度變化與收縮變形的關系，建立了相應的計算模型，並且採用有限元和有限差分方法編制三維模擬系統軟體3c3d （ concretecrackingcontrol3d ） ，通過與已知數據的對比分析，驗證了該模型的可靠性和實用性。
  7. But the questions of buildings cracking of hsc are very serious. it brings people a lot of trouble and unnecessary loss

    但是，其存在自收縮開裂、濕漲開裂以及脆性等缺點大大影響了高強混凝土的工作及使用性能。
  8. The research of crack trend about the fly - ash high - strength concrete

    粉煤灰高強混凝土收縮開裂趨勢的研究
  9. This text, we mainly do experiments on the base of the truth that expansive agent control splitting. first, fixing on the dosage of expansive agent, then we mix the polymer or polypropylene fiber re into expansive agent in order to improve the anti - cracking performance and the anti - infiltrate of concrete. through the comparison and analysis of result that are tested, we choose a kind of relatively excellent anti - crack material proportion ? gt anti - crack material

    為了更好地解決混凝土開裂，提高混凝土的抗裂能力，本課題以混凝土膨脹劑補償收縮抗裂的原理為基礎，選定csa膨脹劑摻量情況下，再摻加聚丙烯纖維和聚合物a ，通過復合摻加抗裂組分來達到增強混凝土的抗裂性能，提高抗滲性能，並通過比較和分析，選擇了綜合性能較優的復合摻加抗裂組分的配比方案? gt新型抗裂劑。
  10. 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。
  11. Because of its many excellent advantages, hpc has come to be used in a wide range. but the existed projects show it ' s weakness, such as the brittleness and the tendency to early age cracking of hpc is more serious and sensitive than ordinary performance concrete ( opc )

    高性能混凝土由於其優異的性能得到了越來越廣泛的應用，但已有的工程實踐中也相繼暴露了hpc的一些弱點，如高性能混凝土的脆性和易於收縮開裂的傾向可能比普通混凝土更嚴重。
  12. Therefore, the technology combining steel fiber with expensive agent is appropriate to the plastic shrinkage and cracking of concretes

    因此，採用膨脹劑與鋼纖維的復合技術是防止混凝土發生塑性收縮開裂的比較理想的技術措施。
  13. The judge criterion of plastic shrinkage cracking for cement based material was studied through the testing of plastic tensile strength and plastic shrinkage capillary stress of cement mortar and concrete

    摘要採用自行設計的塑性抗拉強度、塑性收縮開裂應力測定裝置測試了水泥砂漿、混凝土塑性抗拉強度和塑性收縮開裂應力。
  14. With a slab test of restricted shrinkage, the effect of polypropylene fiber, steel fiber and expansive agent on early - age plastic shrinkage and cracking of concretes with high content mineral admixtures is investigated

    摘要採用平板限制收縮試驗法，研究了聚丙烯纖維、鋼纖維與膨脹劑及其復合技術對大摻量礦物摻合料混凝土早期塑性收縮開裂的影響。
  15. 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裂縫兩個方面均優于纖維或膨脹劑的單獨作用，砂漿抵抗塑性收縮開裂能力顯著提高。
  16. 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
  17. The development of mortar shrinkage and cracking level is attributed to cracking total weigh w. the experiment results showed that above - mentioned test method can evaluate effectively the cracking status of mortar, the cracking resistance of polymer modified mortar is better than traditional mortar

    採用環形約束裝置測定砂漿的開裂情況，並應用開裂總權值w表徵砂漿收縮開裂程度發展情況，研究結果表明:該方法可有效評價聚合物改性砂漿與普通砂漿的開裂情況，聚合物改性砂漿的抗裂性要明顯優于普通砂漿。
  18. Study on shrinkage - cracking property of hpc by shrinkage - reducing admixture

    減縮劑對高性能砼收縮開裂性能影響的研究
  19. 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。
  20. On the base of studying the compatible of chemical admixture and mineral admixture with cement, according to heat of hydration, chemical shrinkage and environment condition in the course of concreting and restrained cracking sensitivity indicates different quantity of mineral admixtures lead to different effect to the stability of concrete, such as 30 % fly ash and 40 % ~ 60 % micro - slag can improve the stability, but silica fume deteriorates the stability

    在研究了化學外加劑、礦物摻合料與水泥兼容匹配關系的基礎上，指出不同礦物摻合料對混凝土的體積穩定性（熱穩定性、化學收縮、干縮、開裂敏感性）的影響不同，粉煤灰摻量達到30 ，礦粉在40 60改善體積穩定性，硅灰惡化了體積穩定性。
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