grain size distribution curve

简明释义

1. 粒度分布曲线; 2. 粒径分布曲线; 3. 筛析曲线;

英英释义

例句

1.In soil mechanics, the grain size distribution curve 粒径分布曲线 helps predict the behavior of soil under load.

在土壤力学中，粒径分布曲线 grain size distribution curve有助于预测土壤在荷载下的行为。

2.The geologist analyzed the grain size distribution curve 粒径分布曲线 to determine the sedimentary environment.

地质学家分析了粒径分布曲线 grain size distribution curve以确定沉积环境。

3.The grain size distribution curve 粒径分布曲线 is essential for understanding soil permeability.

了解土壤渗透性时，粒径分布曲线 grain size distribution curve是必不可少的。

4.The grain size distribution curve 粒径分布曲线 can indicate the sorting of sediments in a river.

粒径分布曲线 grain size distribution curve可以指示河流中沉积物的分选情况。

5.By plotting the grain size distribution curve 粒径分布曲线, we can assess the uniformity of the material.

通过绘制粒径分布曲线 grain size distribution curve，我们可以评估材料的均匀性。

作文

The study of soil and sediment characteristics is crucial in various fields such as geology, civil engineering, and environmental science. One of the key concepts in this area is the grain size distribution curve, which provides valuable insights into the composition and behavior of particulate materials. The grain size distribution curve is a graphical representation that illustrates the proportion of different grain sizes present in a given sample. By analyzing this curve, scientists and engineers can infer important information about the material's properties, such as its permeability, stability, and strength.To understand the significance of the grain size distribution curve, it is essential to recognize the factors that influence grain size. These factors include the processes of weathering, erosion, and transportation, which can alter the size and distribution of grains in a sedimentary deposit. For instance, in a river environment, larger particles may settle quickly, while finer particles are carried further downstream. This results in a varied distribution of grain sizes, which can be effectively captured by the grain size distribution curve.The construction of a grain size distribution curve typically involves collecting a sediment sample and sieving it through a series of screens with different mesh sizes. The weight of the material retained on each screen is recorded, and this data is used to create the curve. The x-axis of the curve represents the grain size, while the y-axis represents the cumulative percentage of the total sample weight. The resulting curve provides a visual representation of how grain sizes are distributed within the sample.Interpreting the grain size distribution curve allows researchers to classify sediments into different categories, such as well-sorted or poorly sorted. Well-sorted sediments have a narrow range of grain sizes, while poorly sorted sediments contain a wide variety of sizes. This classification is important because it affects the physical properties of the sediment, influencing how it behaves under various conditions. For example, well-sorted sands tend to have higher permeability, making them suitable for applications like groundwater aquifers, whereas poorly sorted materials may have lower permeability and greater stability.In engineering applications, understanding the grain size distribution curve is vital for designing foundations, retaining walls, and other structures that interact with soil or sediment. Engineers use this information to predict how the material will respond to loads, water flow, and other environmental factors. Moreover, the grain size distribution curve can also inform decisions regarding sediment remediation and management in contaminated sites, as different grain sizes can affect the transport and retention of pollutants.In conclusion, the grain size distribution curve is a fundamental tool in the analysis of soils and sediments. Its ability to convey complex information about grain size composition makes it invaluable in various scientific and engineering disciplines. By studying the grain size distribution curve, professionals can make informed decisions that enhance our understanding of the natural world and improve the design and safety of human-made structures. As research continues to evolve, the importance of mastering the concept of the grain size distribution curve will only grow, underscoring its role in advancing knowledge and innovation across multiple fields.

土壤和沉积物特性的研究在地质学、土木工程和环境科学等多个领域中至关重要。其中一个关键概念是粒度分布曲线，它为颗粒材料的组成和行为提供了宝贵的见解。粒度分布曲线是一种图形表示，展示了给定样本中不同粒径的比例。通过分析这条曲线，科学家和工程师可以推断出有关材料特性的重要信息，例如其渗透性、稳定性和强度。要理解粒度分布曲线的重要性，必须认识到影响粒径的因素。这些因素包括风化、侵蚀和运输过程，这些过程可以改变沉积物中的颗粒大小和分布。例如，在河流环境中，较大的颗粒可能会迅速沉降，而较细的颗粒则会被带到更远的下游。这导致了粒径的多样分布，可以通过粒度分布曲线有效捕捉。构建粒度分布曲线通常涉及收集沉积物样本，并通过一系列不同网眼尺寸的筛子进行筛分。记录每个筛子上保留的材料重量，然后使用这些数据创建曲线。曲线的x轴表示粒径，而y轴表示样本总重量的累计百分比。结果曲线提供了样本中粒径分布的视觉表示。解释粒度分布曲线使研究人员能够将沉积物分类为不同类别，如良好分选或差分选。良好分选的沉积物具有狭窄的粒径范围，而差分选的沉积物则包含各种尺寸。这种分类很重要，因为它影响沉积物的物理特性，从而影响其在各种条件下的行为。例如，良好分选的砂子往往具有更高的渗透性，使其适合用于地下水含水层，而差分选的材料可能具有较低的渗透性和更大的稳定性。在工程应用中，了解粒度分布曲线对于设计基础、挡土墙和其他与土壤或沉积物相互作用的结构至关重要。工程师利用这些信息预测材料在负载、水流和其他环境因素下的反应。此外，粒度分布曲线还可以为受污染场所的沉积物修复和管理提供决策依据，因为不同的粒径可以影响污染物的运输和滞留。总之，粒度分布曲线是分析土壤和沉积物的基本工具。它传达复杂的粒径组成信息的能力使其在多个科学和工程学科中不可或缺。通过研究粒度分布曲线，专业人士可以做出明智的决策，增强我们对自然世界的理解，提高人造结构的设计和安全性。随着研究的不断发展，掌握粒度分布曲线概念的重要性只会增加，突显其在推动多个领域知识和创新方面的作用。