coefficient of permeability

简明释义

参透系数导磁系数

英英释义

例句

1.The soil sample showed a low coefficient of permeability, suggesting it would retain water effectively.

土壤样本显示出低的渗透系数，这表明它能够有效地保持水分。

2.In geotechnical studies, the coefficient of permeability is crucial for assessing groundwater movement.

在岩土工程研究中，渗透系数对于评估地下水流动至关重要。

3.The engineer calculated the coefficient of permeability to determine how quickly water could flow through the soil.

工程师计算了渗透系数以确定水流过土壤的速度。

4.To design an effective drainage system, we must measure the coefficient of permeability of the site.

为了设计一个有效的排水系统，我们必须测量该地点的渗透系数。

5.A high coefficient of permeability indicates that the material allows water to pass through easily.

高的渗透系数表明材料允许水轻易通过。

作文

The study of soil mechanics is essential for civil engineering, as it provides insights into how soil behaves under various conditions. One crucial parameter in this field is the coefficient of permeability, which describes the ability of soil to allow water to flow through it. Understanding the coefficient of permeability is vital for projects such as foundations, retaining walls, and drainage systems. The coefficient of permeability is influenced by several factors, including soil texture, structure, and moisture content. Coarse-grained soils, like sand and gravel, typically have a higher coefficient of permeability than fine-grained soils, such as clay. This means that water can flow more freely through sandy soils, making them suitable for certain construction applications. In contrast, clayey soils, with their lower coefficient of permeability, can retain water and may lead to issues like swelling or shrinkage, which can affect the stability of structures built on them.To determine the coefficient of permeability, engineers often conduct laboratory tests, such as the constant head test or the falling head test. These tests measure the rate at which water moves through a soil sample under controlled conditions. The results provide valuable data that can be used in design calculations and risk assessments for construction projects.In addition to its importance in construction, the coefficient of permeability plays a significant role in environmental engineering. For instance, understanding how pollutants move through soil can help in designing effective remediation strategies for contaminated sites. By knowing the coefficient of permeability, engineers can predict how quickly contaminants might spread and develop plans to mitigate their impact on groundwater resources.Moreover, the coefficient of permeability is also relevant in hydrology, where it influences groundwater flow and aquifer recharge. Accurate measurements of this coefficient are essential for managing water resources effectively, especially in areas prone to drought or flooding. By understanding the coefficient of permeability, hydrologists can model water movement through different soil types and make informed decisions regarding water conservation and management practices.In conclusion, the coefficient of permeability is a fundamental concept in both civil and environmental engineering. Its implications stretch beyond mere construction, affecting everything from groundwater management to environmental protection. As engineers continue to face challenges related to soil behavior and water movement, a thorough understanding of the coefficient of permeability will remain a critical component of their work, ensuring that infrastructure is safe, sustainable, and resilient against the forces of nature.

土壤力学的研究对于土木工程至关重要，因为它提供了土壤在各种条件下如何行为的见解。在这个领域中，一个关键参数是渗透系数，它描述了土壤允许水流通过的能力。理解渗透系数对基础、挡土墙和排水系统等项目至关重要。渗透系数受到几个因素的影响，包括土壤纹理、结构和水分含量。粗颗粒土壤，如沙子和砾石，通常具有比细颗粒土壤（如粘土）更高的渗透系数。这意味着水可以更自由地流过沙土，使其适合某些施工应用。相反，粘土由于其较低的渗透系数，可以保留水分，可能导致膨胀或收缩等问题，这会影响建在其上的结构的稳定性。为了确定渗透系数，工程师通常会进行实验室测试，如恒水头试验或降水头试验。这些测试测量水在受控条件下通过土壤样品的速率。结果提供了宝贵的数据，可用于设计计算和施工项目的风险评估。除了在施工中的重要性外，渗透系数在环境工程中也发挥着重要作用。例如，了解污染物如何在土壤中移动可以帮助设计有效的修复策略，以应对污染场所。通过了解渗透系数，工程师可以预测污染物扩散的速度，并制定减轻其对地下水资源影响的计划。此外，渗透系数在水文学中也相关，它影响地下水流动和含水层补给。准确测量这一系数对于有效管理水资源至关重要，特别是在干旱或洪水易发的地区。通过理解渗透系数，水文学家可以模拟不同土壤类型中的水运动，并就水资源保护和管理实践做出明智的决策。总之，渗透系数是土木和环境工程中的基本概念。它的影响超越了简单的施工，影响从地下水管理到环境保护的一切。随着工程师继续面临与土壤行为和水运动相关的挑战，全面理解渗透系数将始终是他们工作的关键组成部分，确保基础设施安全、可持续并能够抵御自然力量的影响。