fineness of aggregate

简明释义

骨料细度

英英释义

例句

1.The fineness of aggregate is crucial for achieving a smooth finish in plastering work.

在抹灰工作中，骨料的细度对实现光滑的表面至关重要。

2.Adjusting the fineness of aggregate can help improve the durability of the pavement.

调整骨料的细度可以帮助提高路面的耐久性。

3.The fineness of aggregate affects the workability of concrete mixtures.

骨料的细度影响混凝土混合物的可施工性。

4.In this study, we measured the fineness of aggregate to determine its impact on strength.

在这项研究中，我们测量了骨料的细度以确定其对强度的影响。

5.Higher fineness of aggregate leads to better bonding in concrete applications.

较高的骨料细度在混凝土应用中会导致更好的粘结性。

作文

The construction industry relies heavily on various materials, and one of the most crucial components is aggregate. Understanding the fineness of aggregate (骨料的细度) is essential for ensuring the quality and durability of concrete. The term 'fineness of aggregate' refers to the particle size distribution of the aggregate material used in concrete mixtures. This aspect plays a significant role in determining how well the concrete will perform under different conditions. Aggregates are typically classified into coarse and fine categories. Coarse aggregates consist of larger particles, while fine aggregates are composed of smaller particles, such as sand. The fineness of aggregate (骨料的细度) specifically pertains to the proportions of these smaller particles within the mix. A well-graded aggregate blend will include a variety of sizes, which can help improve the workability and strength of the concrete. One of the primary reasons why the fineness of aggregate (骨料的细度) is important is its impact on the water-cement ratio. Finer aggregates tend to have a larger surface area, which can absorb more water. If the fineness of aggregate (骨料的细度) is too high, it can lead to an increase in the amount of water required for mixing, potentially weakening the final product. Conversely, if the aggregate is too coarse, it may not bond well with the cement paste, leading to voids and reduced strength. Moreover, the fineness of aggregate (骨料的细度) also affects the workability of the concrete mix. Finer aggregates can enhance the flowability of the mixture, making it easier to place and finish. This is particularly important in complex forms or when working in challenging conditions. However, excessive fineness can lead to segregation and bleeding, which can compromise the integrity of the concrete. In addition to workability and strength, the fineness of aggregate (骨料的细度) influences the durability of concrete. Finer aggregates can improve the density of the concrete, reducing permeability and enhancing resistance to environmental factors such as freeze-thaw cycles and chemical attacks. This is particularly vital in regions with harsh climates or exposure to aggressive substances. Testing the fineness of aggregate (骨料的细度) is a standard practice in the industry. Various methods, such as sieve analysis, are employed to determine the particle size distribution. By understanding the fineness of aggregate (骨料的细度), engineers and construction professionals can make informed decisions about the appropriate mix design for their projects. In conclusion, the fineness of aggregate (骨料的细度) is a critical factor in concrete production that affects its workability, strength, and durability. A thorough understanding of this concept allows for better quality control and optimization of concrete mixtures, ultimately leading to safer and more reliable structures. As the construction industry continues to evolve, the importance of mastering the fineness of aggregate (骨料的细度) will remain paramount for achieving excellence in concrete performance.

建筑行业在很大程度上依赖于各种材料，而其中最重要的组成部分之一就是骨料。理解和掌握骨料的细度（fineness of aggregate）对于确保混凝土的质量和耐久性至关重要。术语“骨料的细度”指的是用于混凝土混合物的骨料材料的颗粒大小分布。这一方面在决定混凝土在不同条件下的性能方面发挥着重要作用。骨料通常分为粗骨料和细骨料。粗骨料由较大的颗粒组成，而细骨料则由较小的颗粒（如沙子）构成。骨料的细度（fineness of aggregate）特别涉及混合物中这些较小颗粒的比例。良好级配的骨料混合物将包括多种尺寸，这有助于提高混凝土的可施工性和强度。骨料的细度（fineness of aggregate）重要的主要原因之一是它对水泥比的影响。细骨料往往具有更大的表面积，这可能吸收更多的水。如果骨料的细度（fineness of aggregate）过高，可能会导致混合所需的水量增加，从而削弱最终产品。相反，如果骨料过粗，可能无法与水泥浆很好地结合，导致空隙和强度降低。此外，骨料的细度（fineness of aggregate）还影响混凝土混合物的可施工性。细骨料可以增强混合物的流动性，使其更易于浇筑和修整。这在复杂的模具或在困难条件下工作时尤为重要。然而，过度的细度可能导致分离和出水，这可能会损害混凝土的完整性。除了可施工性和强度外，骨料的细度（fineness of aggregate）还影响混凝土的耐久性。细骨料可以提高混凝土的密度，减少渗透性，增强对环境因素（如冻融循环和化学侵蚀）的抵抗力。这在气候恶劣或暴露于侵蚀性物质的地区尤为重要。测试骨料的细度（fineness of aggregate）是行业中的标准实践。采用各种方法，如筛分分析，来确定颗粒大小分布。通过了解骨料的细度（fineness of aggregate），工程师和建筑专业人员可以对其项目的适当配合设计做出明智的决定。总之，骨料的细度（fineness of aggregate）是混凝土生产中的一个关键因素，影响其可施工性、强度和耐久性。对这一概念的透彻理解可以改善质量控制和优化混凝土混合物，最终导致更安全、更可靠的结构。随着建筑行业的不断发展，掌握骨料的细度（fineness of aggregate）的重要性将继续在实现混凝土性能卓越方面保持首要地位。