plastic shrinkage 中文意思是什麼

plastic shrinkage 解釋
塑性收縮
  • plastic : adj 1 造型的；塑造的；給與形態的。2 可塑的，塑性的，受范的；柔軟的；〈比喻〉溫順的，肯聽話的。3 ...
  • shrinkage : n. 1. 皺縮；縮水；減縮；減少。 2. 【物理學】縮誤；縮減量；（肉類在運輸、加工過程中的）重量的損耗。 shrinkage in the market place 市場萎縮。
  1. 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裂縫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裂縫的發展，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。
  2. 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。
  3. We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc

    目前，解決混凝土開裂的方法是綜合的，我們調查研究了混凝土開裂的原因，開發研製了高性能抗裂外加劑，優化混凝土的設計和施工方法，並通過補償收縮達到混凝土體積穩定，提高抗裂強度，滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術，應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法，從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題，發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。
  4. Some manufacturers use fiber reinforcement to control plastic shrinkage and thermal cracking

    一些生產商使用纖維增強來控制塑性收縮和熱脹開裂。
  5. Hsing, yu - his ( 2003 ). “ shrinkage of injection molded plastic optical pick - up lens. ”, department of aeronautics and astronautics, national cheng kung university

    刑玉璽（ 2003 ） 「射出成型之塑膠光學讀取透鏡收縮」 ，國立成功大學航空太空工程研究所碩士論文。
  6. The trends of plastic shrinkage cracking in concretes made with the same water or cement paste content per cubic meter are similar with the above case, but the critical w / c ratio is about 0. 45 - 0. 4 and 0. 4, respectively

    2 ）在一定砂率范圍內，較低和較高砂率對應的混凝土拌合物不易開裂，而中間某一臨界砂率對應的混凝土拌合物開裂較大，這一臨界砂率變化范圍為36 - 43 % 。
  7. 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裂，而中間某一臨界水灰比對應的混凝土拌合物開裂較嚴重，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裂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 。
  8. Test method for shrinkage stresses in plastic embedment materials using a photoelastic technique for electronic and similar applications

    用光彈性技術測定電子及類似用途的塑料灌封材料的收縮應力的試驗方法
  9. Pv161 is a therm - plastic low shrinkage. it is suitable for all kinds of pulltrusion, smc, bmc products with a surface. it can be cured in high temperature

    Pv161是新開發的一種熱塑型低收縮劑，用於各種擠拉成型製品。
  10. 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
  11. Testing of packaging ; methods of test for plastic sacks ; determination of the shrinkage of polyethylene films

    包裝檢驗.塑料袋試驗方法.第4部分:聚乙烯薄膜皺縮的
  12. 4 ) the effects of fly ash and silica fume on plastic shrinkage cracking were related to the actual w / b ratio of concrete mixture

    對粉煤灰，這一水膠比界限約為0 . 36 ，對硅灰約為0 . 4 。
  13. Thus, there is a theoretical and actual significance to pay attention to the study on plastic shrinkage and cracking

    因此，加強混凝土塑性收縮及其裂縫的研究具有重要的理論和現實意義。
  14. 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。
  15. 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。
  16. 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。
  17. 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裂縫更為明顯。
  18. 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。
  19. 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裂，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。
  20. Abstract : a probability calculation formula used for the cavity dimension of injection mold is derived on the basis of analysing the variation rule of plastic shrinkage rate, and a quantitative relation among the variation of plastic shrinkage rate, plastics dimension tole - rance, manufacturing tolerance and wear allowance is discussed

    文摘:在分析塑料收縮率波動規律的基礎上，導出了注塑模成型零件工作尺寸的概率計算公式，討論了塑料收縮率波動范圍、塑件尺寸公差、製造公差以及修模裕磨量之間的關系。
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