alkali aggregate expansion
释义：碱集料膨胀
发音：['?lk?lai] [?'gr?mpl] [?n'bre???n]
英语范文：
When we use cement in construction, we often need to add some water to make it workable. However, if there is too much water in the cement mixture, it may cause alkali aggregate expansion. This can lead to cracking and shrinkage of the concrete, which can affect its strength and durability. Therefore, it is important to use the correct amount of water in the cement mixture to ensure that it does not cause alkali aggregate expansion.
音标：['?lk?lai] [?'gr?mpl] [?n'bre???n]
[θ?'kwɑ?t] [ju?] [we?z] [i?] [?u] [?n] [?s?st??] , ［wi?］ [??lθ］ [ha?] [??li?z] [ju?] [h?v] [a?t] [h?m] [a?t] [za?k] [?n] ei ?kne?t ?mi?k ?smi?? ［a?kli］ ???gr?mpl ??n?bre???n］ . ［k?n］ ［li］ ?kri?k?? ［a?t］ ［?v］ ei ?kɑ?nl ?s?k?nt . ［kri?k??］ ［?v］ ?v ei ?kɑ?nl ?s?k?nt , ［e?t］ k?n?sa?t ei ?kr?k?? . ［?v］ l?k?? ［??str??k］ . ［e?t］ k?n?sa?t ?v ei k?n?tr??n?t . ［e?s］ k?n?sa?t ?v θr?kn?ti . ［e?t］ k?n?sa?t ?v [θra?k] . ［e?rn］ , ［?t］ iz [a?t] ?v [m?θ] ?v [θlu?ks?m] ei [kne?t] mi?k ?smi?? [a?t] ?vθri?z [ei?nθ?r] , [ju?tθ?r?s] [ju?] [h?v] ?vθra?d?rθmi?nθ?r [ei?nθ?r] .
基础释义：在建筑工程中，我们经常需要加入一些水使水泥易于操作。然而，如果水泥混合物中的水过多，可能会导致碱集料膨胀。这会导致混凝土开裂和收缩，从而影响其强度和耐久性。因此，在水泥混合物中正确使用水量非常重要，以确保不会引起碱集料膨胀。
alkali aggregate expansion
释义：碱集料膨胀
发音：['?lk?lai] [?'gr?bl] ['?nfr?]
英语范文：
标题：碱集料膨胀的影响与控制
在建筑工程中，碱集料膨胀是一个常见的问题，它会影响混凝土的结构和性能。碱集料膨胀通常是由于混凝土中的碱性材料与集料中的某些成分发生化学反应引起的。这种膨胀会导致混凝土开裂、剥落等现象，影响建筑物的使用寿命。
为了控制碱集料膨胀，我们可以采取一些措施。首先，选择合适的集料是非常重要的。我们应该选择那些与混凝土中的碱性材料不发生反应的集料。其次，我们可以在混凝土中加入一些添加剂，如膨胀剂，以抑制膨胀的发生。此外，我们还可以通过加强混凝土的养护和管理，确保混凝土的质量和稳定性。
在实际应用中，碱集料膨胀的问题仍然存在。因此，我们需要不断研究和探索新的解决方案，以确保建筑工程的质量和安全。
总的来说，碱集料膨胀是一个需要我们关注和解决的问题。通过合理的选择材料和采取有效的控制措施，我们可以减少膨胀的发生，提高建筑工程的质量和稳定性。
alkali aggregate expansion
发音: [??lk??lei? ??ɡr?v ??ntr??spr???n]
英语范文:
In construction, alkali aggregate expansion is a phenomenon that occurs when cement reacts with water and aggregates. When the cement combines with water, it creates a highly alkaline environment, which can expand and contract the aggregates in the concrete. This can lead to cracking and other structural issues in the concrete. To prevent alkali aggregate expansion, we need to use cement with a low alkalinity and add admixtures that reduce the alkaline content in the concrete.
In this context, it is important to note that alkali aggregate expansion is a natural phenomenon that occurs in concrete. However, it can be mitigated by using appropriate materials and techniques to ensure the structural integrity of the concrete.
英语作文:
As we know, alkali aggregate expansion is a common problem in concrete structures. It can lead to cracking and other structural issues, which can affect the long-term performance of the structure. To prevent this problem, we need to use cement with a low alkalinity and add admixtures that reduce the alkaline content in the concrete. By doing so, we can ensure that the concrete structure remains strong and stable over time. Therefore, it is essential to pay attention to the materials and techniques used in concrete construction to avoid such problems.
