fineness coefficient

简明释义

肥瘠系数

英英释义

例句

1.In concrete mix design, the fineness coefficient helps to assess the quality of sand used.

在混凝土配合比设计中，细度系数有助于评估所用砂子的质量。

2.The engineer calculated the fineness coefficient to determine the suitability of the soil for construction.

工程师计算了细度系数以确定土壤是否适合施工。

3.Understanding the fineness coefficient is crucial for optimizing the performance of asphalt mixtures.

理解细度系数对于优化沥青混合物的性能至关重要。

4.A higher fineness coefficient usually indicates finer particles in the aggregate.

更高的细度系数通常表示骨料中颗粒更细。

5.The laboratory reported a fineness coefficient of 1.2 for the sand sample tested.

实验室报告称测试的砂样品的细度系数为1.2。

作文

The concept of the fineness coefficient is essential in various fields, particularly in civil engineering and construction. The fineness coefficient is a numerical value that indicates the average size of particles in a given material, such as sand or aggregate. It plays a crucial role in determining the suitability of these materials for different construction applications. Understanding the fineness coefficient helps engineers and architects select the right materials to ensure the durability and stability of structures.In civil engineering, the fineness coefficient is calculated by performing a sieve analysis. This process involves passing a sample of the material through a series of sieves with varying mesh sizes. By measuring the mass of the material retained on each sieve, one can determine the distribution of particle sizes. The fineness coefficient is then derived from the total weight of the material and the weight retained on the sieves. A higher fineness coefficient indicates a greater proportion of finer particles, while a lower value suggests coarser materials.One of the primary reasons for evaluating the fineness coefficient is its impact on the workability of concrete mixes. Fine aggregates, which have a high fineness coefficient, contribute to a smoother finish and better bonding properties in concrete. Conversely, if the fineness coefficient is too low, the concrete may become too harsh and difficult to work with. Thus, achieving the right balance in the fineness coefficient is vital for creating high-quality concrete that meets engineering standards.Moreover, the fineness coefficient also influences the strength and durability of concrete. Finer aggregates can fill the voids between larger particles, leading to a denser mix that enhances the overall strength of the concrete. This is particularly important in structural applications where load-bearing capacity is critical. Engineers often specify a target fineness coefficient for the aggregates used in a project to ensure optimal performance.In addition to concrete, the fineness coefficient is also relevant in other construction materials, such as asphalt and mortar. For instance, in asphalt mixtures, the fineness coefficient affects the adhesion of the binder to the aggregates, influencing the overall performance of the pavement. Similarly, in mortar, the fineness coefficient can impact the workability and bond strength of the mixture.Understanding the fineness coefficient is not only important for engineers but also for quality control in construction projects. Regular testing of the fineness coefficient ensures that the materials used meet the specified requirements, helping to prevent potential issues during construction. By maintaining consistent quality, construction professionals can mitigate risks and ensure the longevity of their projects.In conclusion, the fineness coefficient is a vital parameter in the construction industry that impacts the workability, strength, and durability of various materials. Its significance cannot be overstated, as it influences the selection of materials and the overall quality of construction. As such, both aspiring and experienced engineers should strive to understand and apply the principles related to the fineness coefficient to enhance their work in civil engineering and construction.

“细度系数”这一概念在多个领域中至关重要，特别是在土木工程和建筑领域。“细度系数”是一个数值，表示给定材料（如沙子或骨料）中颗粒的平均大小。它在确定这些材料在不同建筑应用中的适用性方面发挥着关键作用。理解“细度系数”有助于工程师和建筑师选择合适的材料，以确保结构的耐久性和稳定性。在土木工程中，“细度系数”通过进行筛分分析来计算。这个过程涉及将材料样本通过一系列不同网孔大小的筛子。通过测量每个筛子上保留的材料质量，可以确定颗粒大小的分布。然后，从材料的总重量和保留在筛子上的重量中得出“细度系数”。较高的“细度系数”表示较多的细颗粒比例，而较低的值则表明材料较粗。评价“细度系数”的主要原因之一是它对混凝土配合比的可加工性的影响。细骨料具有较高的“细度系数”，有助于混凝土的光滑表面和更好的粘结性能。相反，如果“细度系数”过低，混凝土可能变得过于粗糙，难以处理。因此，在“细度系数”上达到正确的平衡对于创造符合工程标准的高质量混凝土至关重要。此外，“细度系数”还影响混凝土的强度和耐久性。细骨料可以填充较大颗粒之间的空隙，从而形成更密实的混合物，增强混凝土的整体强度。这在承重能力至关重要的结构应用中尤为重要。工程师通常会为项目中使用的骨料指定目标“细度系数”，以确保最佳性能。除了混凝土外，“细度系数”在其他建筑材料中也相关，如沥青和砂浆。例如，在沥青混合物中，“细度系数”影响粘合剂与骨料的粘附性，从而影响路面的整体性能。同样，在砂浆中，“细度系数”会影响混合物的可加工性和粘结强度。理解“细度系数”不仅对工程师重要，对于建筑项目中的质量控制也至关重要。定期测试“细度系数”确保所用材料满足规定要求，有助于防止施工过程中潜在问题的发生。通过保持一致的质量，建筑专业人员可以降低风险，确保其项目的长期性。总之，“细度系数”是建筑行业中的一个重要参数，影响各种材料的可加工性、强度和耐久性。它的重要性不容小觑，因为它影响材料的选择和建筑的整体质量。因此，无论是有志于成为还是经验丰富的工程师，都应努力理解和应用与“细度系数”相关的原则，以提升他们在土木工程和建筑方面的工作。