air entrained agent

简明释义

加气剂

英英释义

例句

1.The contractor specified an air entrained agent for the new pavement project.

承包商为新的路面项目指定了气泡引入剂。

2.The use of air entrained agent improves the workability of concrete.

使用气泡引入剂可以改善混凝土的可加工性。

3.The air entrained agent helps create tiny air bubbles that improve insulation.

该气泡引入剂有助于产生微小气泡，从而改善绝缘性能。

4.Using an air entrained agent can enhance the durability of concrete structures.

使用气泡引入剂可以增强混凝土结构的耐久性。

5.In cold weather, adding an air entrained agent can help prevent freeze-thaw damage.

在寒冷天气中，添加气泡引入剂可以帮助防止冻融损伤。

作文

In the field of construction and civil engineering, the term air entrained agent refers to a specific type of additive used in concrete mixtures. These agents are designed to introduce tiny air bubbles into the concrete, which significantly enhances its performance characteristics. The process of entraining air involves incorporating microscopic air pockets during the mixing process, which can improve the durability and workability of the concrete. The use of an air entrained agent is particularly beneficial in regions that experience freeze-thaw cycles. When water in the concrete freezes, it expands, and without the presence of air pockets, this expansion can lead to cracking and structural damage. However, with the addition of an air entrained agent, the air bubbles provide space for the expanding ice, thus reducing the risk of damage. Moreover, the inclusion of an air entrained agent can improve the overall strength of the concrete. By enhancing the workability, contractors can achieve a more uniform mix, which contributes to better strength development over time. This is especially important in large-scale construction projects where consistency in material properties is crucial for safety and longevity. Additionally, using an air entrained agent can help reduce the water-to-cement ratio in the mixture, further contributing to the strength and durability of the concrete. Another advantage of using air entrained agents is their role in improving the resistance of concrete to chemical attacks. In environments where de-icing salts are commonly used, for example, the presence of air bubbles can mitigate the effects of these harsh chemicals, thereby prolonging the lifespan of the concrete structures. Furthermore, the energy efficiency of concrete production can also be enhanced by using air entrained agents. The improved workability means that less energy is required during the mixing and pouring processes, leading to a more sustainable construction practice. Despite the numerous benefits, it is essential to use air entrained agents judiciously. Over-entraining air can lead to a decrease in the density of the concrete, which could compromise its structural integrity. Therefore, it is vital for engineers and construction professionals to conduct thorough testing and adhere to recommended guidelines when incorporating these agents into their concrete mixes. In conclusion, the use of air entrained agents in concrete not only enhances its physical properties but also plays a crucial role in ensuring the durability and longevity of structures. As the construction industry continues to evolve, the importance of understanding and effectively utilizing such additives will only grow. For anyone involved in construction, having a solid grasp of the implications and applications of air entrained agents is essential for creating resilient and sustainable buildings.

在建筑和土木工程领域，术语空气引入剂指的是一种特定类型的添加剂，用于混凝土混合物。这些剂旨在将微小的空气泡引入混凝土中，从而显著增强其性能特征。引入空气的过程涉及在混合过程中加入微观空气孔，这可以改善混凝土的耐久性和可加工性。在经历冻融循环的地区，使用空气引入剂尤其有利。当混凝土中的水结冰时，它会膨胀，如果没有空气孔的存在，这种膨胀可能导致开裂和结构损坏。然而，通过添加空气引入剂，空气泡为膨胀的冰提供了空间，从而减少了损坏的风险。此外，加入空气引入剂还可以提高混凝土的整体强度。通过增强可加工性，承包商可以实现更均匀的混合，这有助于随着时间的发展获得更好的强度。这在大型建设项目中尤为重要，因为材料性能的一致性对安全性和耐用性至关重要。此外，使用空气引入剂还可以帮助降低混合物中的水泥比，进一步增强混凝土的强度和耐久性。使用空气引入剂的另一个优点是它们在提高混凝土抵抗化学侵蚀方面的作用。在常用除冰盐的环境中，空气泡的存在可以减轻这些严酷化学物质的影响，从而延长混凝土结构的使用寿命。此外，通过使用空气引入剂，混凝土生产的能源效率也可以得到提高。改善的可加工性意味着在混合和浇筑过程中所需的能量更少，从而导致更可持续的建筑实践。尽管有许多好处，但必须谨慎使用空气引入剂。过度引入空气可能导致混凝土密度下降，从而可能危及其结构完整性。因此，工程师和建筑专业人员在将这些剂纳入混凝土混合物时，进行彻底测试并遵循推荐指南至关重要。总之，在混凝土中使用空气引入剂不仅增强了其物理特性，而且在确保结构的耐久性和使用寿命方面发挥着至关重要的作用。随着建筑行业的不断发展，理解和有效利用这种添加剂的重要性只会增加。对于任何参与建筑的人来说，充分掌握空气引入剂的影响和应用对于创造坚固和可持续的建筑至关重要。