air entraining agent

简明释义

加气剂

英英释义

An air entraining agent is a chemical additive used in concrete and mortar that helps to introduce and stabilize tiny air bubbles within the mixture.

空气引入剂是一种用于混凝土和砂浆的化学添加剂,帮助在混合物中引入和稳定微小气泡。

例句

1.The addition of an air entraining agent (气泡引入剂) improves the workability of concrete.

添加气泡引入剂可以改善混凝土的可加工性。

2.The air entraining agent (气泡引入剂) creates tiny air bubbles that enhance the durability of the material.

气泡引入剂产生微小的气泡,增强材料的耐久性。

3.Using an air entraining agent (气泡引入剂) can help prevent freeze-thaw damage in concrete structures.

使用气泡引入剂可以帮助防止混凝土结构的冻融损害。

4.In this study, we evaluated the performance of various air entraining agents (气泡引入剂) in reducing water permeability.

在这项研究中,我们评估了不同气泡引入剂在降低水渗透性方面的表现。

5.We added a specific air entraining agent (气泡引入剂) to improve the insulation properties of the concrete mix.

我们添加了一种特定的气泡引入剂以改善混凝土混合物的绝缘性能。

作文

In the field of construction and civil engineering, the use of additives in concrete has become increasingly important for enhancing the properties of the final product. One such additive is the air entraining agent, which plays a critical role in improving the durability and workability of concrete mixtures. The air entraining agent is a type of chemical additive that introduces tiny air bubbles into the concrete during mixing. These microscopic air pockets serve several purposes, primarily to enhance the freeze-thaw resistance of the concrete. When water freezes, it expands; if there are no air pockets, this expansion can lead to cracking and deterioration of the concrete over time. By incorporating an air entraining agent, engineers can ensure that the concrete can withstand harsh environmental conditions, making it ideal for outdoor applications in regions with severe winters.Furthermore, the presence of air bubbles in concrete also improves its workability. This is particularly beneficial when pouring concrete in intricate forms or when using heavy aggregates. The air entraining agent reduces the density of the mixture, allowing it to flow more easily and fill voids without requiring excessive vibration. This not only saves time during the construction process but also ensures a more uniform distribution of materials, leading to a higher quality end product.However, the use of air entraining agents must be carefully controlled. Too much air can weaken the concrete, reducing its compressive strength. Therefore, it is crucial for engineers and construction professionals to conduct thorough testing to determine the appropriate dosage of air entraining agents needed for specific projects. Different types of air entraining agents are available, each with unique properties and performance characteristics. Understanding these differences allows for more informed decisions regarding their application.In addition to enhancing mechanical properties, air entraining agents also contribute to the sustainability of concrete. By improving the longevity of structures, they reduce the need for repairs and replacements, ultimately saving resources and minimizing environmental impact. As the construction industry continues to evolve, the importance of additives like air entraining agents will only grow, particularly as we strive for more resilient and sustainable building practices.In conclusion, the air entraining agent is an essential component in modern concrete technology. Its ability to improve durability, workability, and sustainability makes it invaluable for various construction projects. As we continue to face challenges related to climate change and resource scarcity, the strategic use of air entraining agents will undoubtedly play a significant role in shaping the future of construction and civil engineering.

在建筑和土木工程领域,混凝土中添加剂的使用变得越来越重要,以提高最终产品的性能。其中一种添加剂是引气剂,它在改善混凝土混合物的耐久性和可加工性方面发挥着关键作用。引气剂是一种化学添加剂,在混合过程中将微小的气泡引入混凝土。这些微观的空气口袋有几个用途,主要是提高混凝土的抗冻融能力。当水结冰时,它会膨胀;如果没有空气口袋,这种膨胀可能导致混凝土随时间开裂和恶化。通过加入引气剂,工程师可以确保混凝土能够承受恶劣的环境条件,使其在严寒地区的户外应用中理想。此外,混凝土中气泡的存在也改善了其可加工性。这对在复杂的模具中浇筑混凝土或使用重骨料时尤其有利。引气剂降低了混合物的密度,使其更容易流动并填充空隙,而不需要过多的振动。这不仅节省了施工过程中的时间,还确保了材料的更均匀分布,从而提高了最终产品的质量。然而,使用引气剂必须谨慎控制。过多的空气会削弱混凝土,降低其抗压强度。因此,工程师和建筑专业人士必须进行彻底的测试,以确定特定项目所需的引气剂的适当用量。市面上有不同类型的引气剂,每种都有独特的属性和性能特点。了解这些差异使得在应用时能做出更明智的决定。除了增强机械性能外,引气剂还有助于混凝土的可持续性。通过提高结构的耐久性,它们减少了维修和更换的需求,最终节省了资源并最小化了环境影响。随着建筑行业的不断发展,像引气剂这样的添加剂的重要性只会增加,特别是在我们努力实现更具弹性和可持续的建筑实践时。总之,引气剂是现代混凝土技术中的一个重要组成部分。它提高耐久性、可加工性和可持续性的能力使其在各种建筑项目中不可或缺。随着我们继续面临与气候变化和资源稀缺相关的挑战,战略性地使用引气剂无疑将在塑造建筑和土木工程的未来中发挥重要作用。

相关单词

entraining

entraining详解:怎么读、什么意思、用法

agent

agent详解:怎么读、什么意思、用法