air entrained cement

简明释义

加气水泥;

英英释义

Air entrained cement is a type of cement that contains microscopic air bubbles, which are intentionally introduced during the mixing process to improve the workability and durability of concrete.

气泡掺入水泥是一种在混合过程中故意引入微小气泡的水泥类型,以改善混凝土的可加工性和耐久性。

例句

1.The contractor specified air entrained cement for the highway pavement to withstand harsh weather conditions.

承包商为高速公路路面指定了引气水泥以抵御恶劣天气条件。

2.Using air entrained cement allows for better workability during the mixing process.

使用引气水泥可以在混合过程中获得更好的可操作性。

3.Adding air entrained cement can help reduce water permeability in concrete structures.

加入引气水泥可以帮助减少混凝土结构的水渗透性。

4.The use of air entrained cement in concrete mix improves its resistance to freeze-thaw cycles.

在混凝土配合比中使用引气水泥可以提高其抗冻融循环的能力。

5.For projects in cold climates, air entrained cement is recommended to enhance durability.

对于寒冷气候下的项目,建议使用引气水泥以增强耐久性。

作文

The construction industry has evolved significantly over the years, introducing various innovative materials to enhance the durability and performance of structures. One such material that has gained popularity is air entrained cement. This type of cement is specially formulated to contain microscopic air bubbles, which play a crucial role in improving the overall properties of concrete. In this essay, we will explore the benefits, applications, and importance of air entrained cement in modern construction practices.Firstly, the primary benefit of air entrained cement is its ability to improve the workability of concrete. The incorporation of air bubbles reduces the density of the mixture, making it easier to mix, transport, and place. This is particularly advantageous in large-scale construction projects where efficiency is key. Furthermore, the enhanced workability allows for better compaction, reducing the likelihood of voids and ensuring a more uniform distribution of materials throughout the concrete.Another significant advantage of air entrained cement is its resistance to freeze-thaw cycles. In regions with harsh winter climates, concrete is often subjected to freezing temperatures, which can cause cracking and deterioration. The air bubbles created during the mixing process act as pressure relief valves, allowing the water within the concrete to expand when it freezes. As a result, air entrained cement significantly enhances the longevity of concrete structures exposed to such conditions, making it an essential choice for pavements, bridges, and other outdoor constructions.Moreover, air entrained cement contributes to improved durability against chemical attacks. Concrete is susceptible to damage from chlorides, sulfates, and other aggressive substances commonly found in the environment. The presence of air bubbles helps to mitigate these effects by creating a more robust microstructure that resists penetration by harmful agents. This characteristic is particularly important for structures located near coastal areas or industrial sites where exposure to such chemicals is prevalent.The use of air entrained cement is not limited to specific applications; it can be utilized in a wide range of construction projects. From residential buildings to large infrastructure developments, the versatility of this material makes it an ideal choice for various environments. Additionally, it can be combined with other additives and admixtures to further enhance its properties, allowing engineers and architects to tailor concrete mixtures to meet specific project requirements.In conclusion, air entrained cement represents a significant advancement in the field of construction materials. Its unique properties offer numerous benefits, including improved workability, enhanced freeze-thaw resistance, and increased durability against chemical attacks. As the demand for durable and sustainable construction continues to rise, the role of air entrained cement will undoubtedly become more prominent. By embracing this innovative material, the construction industry can ensure the longevity and resilience of structures, ultimately leading to safer and more reliable built environments.

建筑行业在过去几年中经历了显著的发展,引入了各种创新材料,以增强结构的耐久性和性能。其中一种越来越受欢迎的材料是气泡混凝土。这种类型的水泥经过特殊配制,含有微小的气泡,这些气泡在改善混凝土的整体性能方面发挥着至关重要的作用。在这篇文章中,我们将探讨气泡混凝土的优点、应用及其在现代建筑实践中的重要性。首先,气泡混凝土的主要优点是能够改善混凝土的可加工性。气泡的加入降低了混合物的密度,使混合、运输和放置变得更加容易。这在大型建筑项目中尤为有利,因为效率至关重要。此外,增强的可加工性使得更好地压实成为可能,降低了空隙的可能性,确保材料在混凝土中的均匀分布。另一个重要的优势是气泡混凝土对冻融循环的抵抗力。在冬季气候严酷的地区,混凝土常常面临冻结温度,这可能导致开裂和恶化。混合过程中产生的气泡充当压力释放阀,允许混凝土内的水在冻结时膨胀。因此,气泡混凝土显著提高了暴露于这些条件下的混凝土结构的耐久性,使其成为人行道、桥梁和其他户外建筑的必要选择。此外,气泡混凝土有助于提高对化学侵蚀的耐久性。混凝土易受到氯化物、硫酸盐和其他在环境中常见的侵蚀性物质的损害。气泡的存在通过创造更强大的微观结构来抵御有害物质的渗透,从而减轻这些影响。这一特性对于位于沿海地区或工业场所的结构尤其重要,因为这些地方暴露于此类化学物质的风险较高。气泡混凝土的使用并不局限于特定应用;它可以用于各种建筑项目。从住宅建筑到大型基础设施开发,这种材料的多功能性使其成为各种环境的理想选择。此外,它可以与其他添加剂和掺合料结合使用,以进一步增强其性能,使工程师和建筑师能够根据具体项目要求定制混凝土混合物。总之,气泡混凝土代表了建筑材料领域的一项重大进步。其独特的特性提供了众多好处,包括改善的可加工性、增强的冻融抵抗力以及对化学侵蚀的耐久性。随着对耐用和可持续建筑需求的不断上升,气泡混凝土的角色无疑会变得更加突出。通过采用这一创新材料,建筑行业可以确保结构的耐久性和韧性,最终导致更安全、更可靠的建筑环境。

相关单词

cement

cement详解:怎么读、什么意思、用法