friction angle

简明释义

摩擦角

英英释义

The angle between the normal force and the resultant force acting on a body, typically in the context of frictional forces in materials or soil mechanics.

作用在物体上的法向力与合力之间的角度,通常在材料或土壤力学中涉及摩擦力的情况下使用。

例句

1.To calculate the load-bearing capacity of a foundation, engineers must consider the friction angle 摩擦角 of the underlying soil.

为了计算基础的承载能力,工程师必须考虑基础土壤的摩擦角

2.The stability of the slope depends significantly on the friction angle 摩擦角 of the soil used in construction.

坡道的稳定性在很大程度上取决于用于施工的土壤的摩擦角

3.The friction angle 摩擦角 can vary based on moisture content and compaction of the soil.

土壤的摩擦角可能会根据水分含量和压实程度而变化。

4.In geotechnical engineering, the friction angle 摩擦角 is a critical parameter for assessing soil shear strength.

在岩土工程中,摩擦角是评估土壤剪切强度的关键参数。

5.A higher friction angle 摩擦角 indicates better resistance to sliding in soil mechanics.

较高的摩擦角表示土壤力学中对滑动的抵抗能力更强。

作文

The concept of the friction angle is essential in the fields of engineering and geotechnical studies. It refers to the angle that describes the relationship between the normal force and the shear force acting on a material, particularly soil or rock. Understanding the friction angle is crucial for predicting how materials will behave under various loads and conditions. In civil engineering, for instance, it plays a vital role in the design of foundations, slopes, and retaining walls. When engineers assess the stability of a slope, they often calculate the friction angle to determine whether the soil can support the weight above it without failing. A higher friction angle indicates that the material can withstand greater shear forces before sliding occurs. This is particularly important in areas prone to landslides or where heavy structures are built on soft ground. Moreover, the friction angle can vary significantly depending on several factors, including the type of soil, moisture content, and the presence of clay or other materials. For example, sandy soils typically have a higher friction angle compared to clayey soils, which tend to be more cohesive but less stable under shear stress. Engineers often perform laboratory tests, such as the triaxial test, to accurately measure the friction angle of different soil types. In addition to its applications in construction and stability analysis, the friction angle also has implications in natural processes such as erosion and sediment transport. Understanding how particles interact with one another under various conditions helps scientists predict how landscapes will evolve over time. For instance, if the friction angle of a riverbank decreases due to increased water saturation, it may lead to bank failure and significant changes in the river's course. Furthermore, the friction angle is not only limited to soil mechanics but also applies to other materials, including concrete and asphalt. In pavement design, for example, knowing the friction angle of the surface material can help engineers determine the skid resistance of roads, which is critical for vehicle safety. A surface with an adequate friction angle reduces the likelihood of accidents during wet or icy conditions. In conclusion, the friction angle is a fundamental parameter that influences various engineering and environmental processes. Its importance cannot be overstated, as it affects everything from the stability of structures to the behavior of natural landscapes. As engineers and scientists continue to study and understand this concept, they will be better equipped to design safer and more resilient systems that can withstand the forces of nature. Through ongoing research and innovation, the knowledge surrounding the friction angle will undoubtedly evolve, leading to improved practices in engineering and environmental management.

“摩擦角”这一概念在工程和土木工程研究领域至关重要。它指的是描述材料(特别是土壤或岩石)上作用的法向力与剪切力之间关系的角度。理解“摩擦角”对预测材料在各种负荷和条件下的行为至关重要。例如,在土木工程中,它在基础、边坡和挡土墙的设计中发挥着重要作用。当工程师评估坡度的稳定性时,他们通常会计算“摩擦角”以确定土壤是否能够在不发生失效的情况下支撑其上方的重量。较高的“摩擦角”表明材料可以在滑动发生之前承受更大的剪切力。这在容易发生滑坡的地区或在软土上建造重型结构的地方尤其重要。此外,“摩擦角”可能会因多种因素而显著变化,包括土壤类型、湿度和粘土或其他材料的存在。例如,沙土的“摩擦角”通常高于粘土,后者尽管具有更强的内聚力,但在剪切应力下的稳定性较差。工程师通常通过实验室测试(如三轴试验)来准确测量不同土壤类型的“摩擦角”。除了在建筑和稳定性分析中的应用外,“摩擦角”在自然过程如侵蚀和沉积物运输中也有影响。理解颗粒在各种条件下如何相互作用,有助于科学家预测景观如何随着时间的推移而演变。例如,如果由于水分饱和度增加,河岸的“摩擦角”降低,可能导致河岸失稳,河流的走向发生重大变化。此外,“摩擦角”不仅限于土壤力学,还适用于其他材料,包括混凝土和沥青。在路面设计中,例如,了解表面材料的“摩擦角”可以帮助工程师确定道路的抗滑性能,这对车辆安全至关重要。具有足够“摩擦角”的表面可以减少在潮湿或结冰条件下发生事故的可能性。总之,“摩擦角”是影响各种工程和环境过程的基本参数。其重要性不容小觑,因为它影响着从结构的稳定性到自然景观的行为等各个方面。随着工程师和科学家继续研究和理解这一概念,他们将更好地设计出能够承受自然力量的更安全、更具韧性的系统。通过持续的研究和创新,围绕“摩擦角”的知识无疑会不断发展,推动工程和环境管理实践的改善。

相关单词

friction

friction详解:怎么读、什么意思、用法

angle

angle详解:怎么读、什么意思、用法