nominal maximum size of aggregate

简明释义

骨料的额定最大粒径

英英释义

例句

1.The nominal maximum size of aggregate 骨料的名义最大粒径 affects the drainage properties of the concrete pavement.

对于混凝土路面的排水性能，骨料的名义最大粒径会产生影响。

2.For optimal performance, the nominal maximum size of aggregate 骨料的名义最大粒径 should be carefully chosen based on the project requirements.

为了获得最佳性能，骨料的名义最大粒径应根据项目要求仔细选择。

3.The engineer specified a nominal maximum size of aggregate 骨料的名义最大粒径 of 20 mm for the concrete mix to ensure proper workability.

工程师指定混凝土配合比的名义最大粒径为20毫米，以确保良好的可施工性。

4.In the laboratory, we measured the nominal maximum size of aggregate 骨料的名义最大粒径 to ensure compliance with the specifications.

在实验室中，我们测量了骨料的名义最大粒径以确保符合规范。

5.When selecting materials, it's crucial to consider the nominal maximum size of aggregate 骨料的名义最大粒径 to achieve the desired strength.

在选择材料时，考虑骨料的名义最大粒径以达到所需强度是至关重要的。

作文

In the field of civil engineering and construction, the selection of materials plays a crucial role in determining the overall quality and durability of structures. One of the key components in concrete production is the aggregate, which can significantly influence the properties of the final product. When discussing aggregates, one often encounters the term nominal maximum size of aggregate, which refers to the largest size of aggregate particles used in a concrete mix that will pass through a specified sieve. Understanding this term is essential for engineers and builders alike, as it directly impacts the workability, strength, and durability of concrete. The nominal maximum size of aggregate is not just a technical specification; it represents a balance between various factors in concrete design. For instance, larger aggregates can enhance the compressive strength of concrete, but they may also make the mix less workable. In contrast, smaller aggregates tend to improve workability but might reduce the overall strength of the concrete. Therefore, selecting the appropriate nominal maximum size of aggregate is vital in achieving the desired performance characteristics of concrete. Moreover, the nominal maximum size of aggregate can affect the water-cement ratio, which is another critical factor in concrete mix design. A higher water-cement ratio can lead to increased porosity and reduced strength, while a lower ratio can enhance strength but may compromise workability. By carefully considering the nominal maximum size of aggregate, engineers can optimize the water-cement ratio to produce a concrete mix that meets specific project requirements. When it comes to practical applications, the nominal maximum size of aggregate varies depending on the type of construction project. For example, in residential construction, a nominal maximum size of 20 mm may be suitable for structural elements like beams and slabs. However, for high-performance concrete used in bridges or skyscrapers, a smaller aggregate size might be required to ensure proper compaction and strength. Thus, understanding the implications of the nominal maximum size of aggregate allows engineers to tailor their concrete mixes to the unique demands of each project. In conclusion, the concept of nominal maximum size of aggregate is fundamental in the realm of concrete technology. It influences various aspects of concrete performance, including strength, workability, and durability. By mastering the implications of this term, engineers and construction professionals can make informed decisions that lead to the successful execution of their projects. Ultimately, a thorough understanding of the nominal maximum size of aggregate contributes to the creation of safer, more resilient structures that stand the test of time.

在土木工程和建筑领域，材料的选择在决定结构的整体质量和耐久性方面起着至关重要的作用。混凝土生产中的关键组成部分之一是骨料，它可以显著影响最终产品的特性。当讨论骨料时，人们经常会遇到术语名义最大骨料尺寸，这指的是用于混凝土混合物中、能够通过特定筛网的最大骨料颗粒尺寸。理解这个术语对工程师和建筑商来说至关重要，因为它直接影响混凝土的可加工性、强度和耐久性。 名义最大骨料尺寸不仅仅是一个技术规范；它代表了混凝土设计中各种因素之间的平衡。例如，较大的骨料可以增强混凝土的抗压强度，但也可能使混合物的可加工性降低。相比之下，较小的骨料往往提高可加工性，但可能降低混凝土的整体强度。因此，选择合适的名义最大骨料尺寸对实现混凝土所需的性能特性至关重要。 此外，名义最大骨料尺寸还会影响水泥水比，这也是混凝土配合设计中的另一个关键因素。较高的水泥水比可能导致孔隙率增加和强度降低，而较低的比值则可以增强强度，但可能会影响可加工性。通过仔细考虑名义最大骨料尺寸，工程师可以优化水泥水比，以生产出符合特定项目要求的混凝土混合物。 在实际应用中，名义最大骨料尺寸会根据不同的建筑项目而有所不同。例如，在住宅建筑中，20毫米的名义最大尺寸可能适合用于梁和板等结构构件。然而，对于用于桥梁或摩天大楼的高性能混凝土，可能需要更小的骨料尺寸，以确保适当的密实度和强度。因此，理解名义最大骨料尺寸的影响可以让工程师根据每个项目的独特需求量身定制混凝土混合物。 总之，名义最大骨料尺寸的概念在混凝土技术领域中是基础性的。它影响混凝土性能的各个方面，包括强度、可加工性和耐久性。通过掌握这一术语的含义，工程师和建筑专业人士可以做出明智的决策，从而成功地执行他们的项目。最终，对名义最大骨料尺寸的透彻理解有助于创造出更安全、更具韧性的结构，能够经受时间的考验。