angle of repose

简明释义

静止角

英英释义

例句

1.In the construction of the retaining wall, we had to consider the angle of repose for the soil being used.

在建造挡土墙时，我们必须考虑所用土壤的静止角。

2.The engineer calculated the angle of repose to determine how steep the slope could be without causing a landslide.

工程师计算了静止角以确定斜坡可以有多陡而不会导致山体滑坡。

3.When designing the slope for the landfill, the team needed to measure the angle of repose of the waste material.

在设计垃圾填埋场的斜坡时，团队需要测量废弃物的静止角。

4.Different materials have different angle of repose, affecting how they can be stored in bins.

不同材料具有不同的静止角，这会影响它们在仓库中的存储方式。

5.The angle of repose for sand is generally around 30 degrees, which is important for beach erosion studies.

沙子的静止角通常在30度左右，这对海滩侵蚀研究非常重要。

作文

The concept of the angle of repose is fundamental in understanding the stability of granular materials. This term refers to the steepest angle at which a sloped surface formed of loose material remains stable without sliding. It plays a crucial role in various fields, including geology, civil engineering, and even in everyday life scenarios such as stacking sand or snow. Understanding the angle of repose can help us predict how materials will behave under different conditions, which is essential for designing safe structures and preventing landslides.In geology, the angle of repose helps explain why certain slopes are more prone to erosion and failure than others. Different materials have different angles of repose based on their size, shape, and moisture content. For instance, dry sand has a higher angle of repose compared to wet sand, which tends to slide more easily due to the lack of friction between particles. This phenomenon is not only important for natural landscapes but also for human-made structures like embankments and retaining walls.Civil engineers often take the angle of repose into account when designing roads, bridges, and buildings. For example, when constructing a road on a hillside, engineers need to ensure that the slope does not exceed the angle of repose for the soil type present. If the slope is too steep, it could lead to catastrophic failures, resulting in landslides that could damage infrastructure and endanger lives. Thus, understanding the angle of repose is vital for ensuring safety in construction projects.Moreover, the angle of repose can also be observed in everyday situations. When we pile snow during winter, there comes a point where the snow can no longer stay piled without sliding down. This is the practical application of the angle of repose. Similarly, when stacking grains or other materials, knowing the angle of repose helps in determining how high one can stack without risking a collapse.To further illustrate the importance of the angle of repose, consider the case of a landslide. A landslide occurs when the force of gravity acting on a slope exceeds the frictional forces holding the material in place. By studying the angle of repose, scientists can better understand the conditions that lead to such events. They can analyze factors like rainfall, which can reduce the angle of repose by adding weight and lubrication to the soil, making it more susceptible to sliding.In conclusion, the angle of repose is a critical concept that provides insight into the behavior of granular materials in various contexts. Whether in nature or human engineering, understanding this angle allows us to make informed decisions that enhance safety and functionality. As we continue to study and apply the principles surrounding the angle of repose, we can improve our ability to manage and interact with the world around us, preventing disasters and optimizing designs for better performance.

“安息角”这一概念在理解颗粒材料的稳定性方面至关重要。这个术语指的是松散材料形成的倾斜表面保持稳定而不滑动的最大角度。它在地质学、土木工程甚至日常生活场景中都发挥着关键作用，例如堆积沙子或雪。理解“安息角”可以帮助我们预测材料在不同条件下的行为，这对于设计安全结构和防止山体滑坡至关重要。在地质学中，“安息角”有助于解释为什么某些坡度比其他坡度更容易侵蚀和失稳。不同材料根据其大小、形状和含水量具有不同的安息角。例如，干燥的沙子具有较高的安息角，而湿沙则因颗粒间摩擦力不足而更容易滑动。这一现象不仅对自然景观重要，也对如堤坝和挡土墙等人造结构至关重要。土木工程师在设计道路、桥梁和建筑物时，往往会考虑“安息角”。例如，在山坡上修建道路时，工程师需要确保坡度不超过该土壤类型的安息角。如果坡度过陡，可能导致灾难性的失败，造成山体滑坡，损坏基础设施并危及生命。因此，理解“安息角”对于确保建筑项目的安全至关重要。此外，“安息角”也可以在日常情况下观察到。当冬天堆积雪时，会有一个点，雪再也无法堆积而不滑下来。这是“安息角”的实际应用。同样，当堆积谷物或其他材料时，了解“安息角”有助于确定可以堆积多高而不冒风险倒塌。为了进一步说明“安息角”的重要性，可以考虑滑坡的案例。当重力作用于坡度超过保持材料在位的摩擦力时，就会发生滑坡。通过研究“安息角”，科学家可以更好地理解导致此类事件的条件。他们可以分析降雨等因素，这可能通过给土壤增加重量和润滑来降低“安息角”，使其更容易滑动。总之，“安息角”是一个关键概念，它提供了对各种背景下颗粒材料行为的洞察。无论是在自然界还是在人类工程中，理解这个角度使我们能够做出明智的决策，从而增强安全性和功能性。随着我们继续研究和应用围绕“安息角”的原则，我们可以提高管理和与周围世界互动的能力，防止灾难并优化设计以实现更好的性能。