angle of repose

简明释义

休止角

英英释义

例句

1.Farmers need to consider the angle of repose when stacking hay bales.

农民在堆放干草捆时需要考虑静止角。

2.In geology, the angle of repose helps predict landslide risks in hilly areas.

在地质学中，静止角有助于预测丘陵地区的滑坡风险。

3.The engineer calculated the angle of repose to ensure the stability of the sand during construction.

工程师计算了静止角以确保施工期间沙子的稳定性。

4.The angle of repose determines how steep a pile of gravel can be before it collapses.

在碎石堆积之前，静止角决定了其可以多陡。

5.Understanding the angle of repose is crucial when designing slopes for earthworks.

了解静止角在设计土方工程的坡度时至关重要。

作文

The concept of the angle of repose is an essential principle in the fields of geology and engineering. It refers to the steepest angle at which a sloped surface formed of a particular material is stable. This angle varies depending on the type of material, its moisture content, and other environmental factors. Understanding the angle of repose is crucial for various applications, including construction, landslide prevention, and even in the design of amusement park rides.In nature, the angle of repose can be observed in sandy beaches, dunes, and even in the formation of mountains. For instance, when sand is poured onto a flat surface, it will form a conical pile. The angle at which the sand remains stable without sliding off is known as the angle of repose. Typically, dry sand has an angle of repose of about 30 to 35 degrees, while wet sand can have a much higher angle due to the cohesive forces created by water.In engineering, understanding the angle of repose is vital for designing safe structures. For example, when constructing a retaining wall, engineers must consider the angle of repose of the soil behind the wall. If the wall is built without accounting for this angle, it may fail under the pressure of the soil, leading to catastrophic consequences. Similarly, in the context of mining, the angle of repose helps determine the safe slope of waste piles, ensuring that they do not collapse.Moreover, the angle of repose is also significant in the field of agriculture. Farmers need to understand the angle of repose when designing terraces on hilly terrain to prevent soil erosion. By creating terraces that align with the angle of repose, farmers can effectively manage water runoff and maintain soil integrity.In addition to practical applications, the angle of repose serves as a fascinating topic of study in physics and materials science. Scientists explore how different materials behave under various conditions, examining how factors like particle size, shape, and moisture content influence the angle of repose. This research not only enhances our understanding of natural processes but also informs industrial practices, such as the storage of bulk materials.Lastly, the angle of repose can be metaphorically applied to human behavior and decision-making. Just as physical materials have a limit to their stability, individuals often have personal boundaries and thresholds that dictate their reactions to stressors. Recognizing one’s own angle of repose can lead to better self-awareness and emotional resilience. It encourages individuals to identify their limits and make informed choices that promote well-being.In conclusion, the angle of repose is a multifaceted concept that extends beyond its technical definitions. It plays a crucial role in various fields, from geology and engineering to agriculture and personal development. By understanding the angle of repose, we can better navigate both the physical world and our own lives, making informed decisions that enhance safety, efficiency, and well-being.

“静止角”是地质学和工程学领域中的一个重要概念。它指的是特定材料形成的倾斜表面所能保持稳定的最大角度。这个角度会因材料类型、含水量及其他环境因素而异。理解“静止角”对于建筑、滑坡预防，甚至游乐园设施的设计等各个应用都至关重要。在自然界中，“静止角”可以在沙滩、沙丘甚至山脉的形成中观察到。例如，当沙子倒在平坦的表面上时，它会形成一个圆锥形的堆。沙子保持稳定而不滑落的角度就是所谓的“静止角”。通常，干沙的“静止角”约为30到35度，而湿沙由于水分产生的内聚力，可以有更高的角度。在工程学中，理解“静止角”对安全结构的设计至关重要。例如，在建造挡土墙时，工程师必须考虑挡土墙后面的土壤的“静止角”。如果在设计时没有考虑这个角度，墙体可能会因土壤的压力而失效，导致灾难性的后果。同样，在采矿的背景下，“静止角”帮助确定废物堆的安全斜率，确保它们不会崩溃。此外，“静止角”在农业领域也具有重要意义。农民需要了解“静止角”，以便在丘陵地带设计梯田，防止土壤侵蚀。通过创建与“静止角”一致的梯田，农民可以有效管理水流并保持土壤完整性。除了实际应用外，“静止角”也是物理学和材料科学中一个引人入胜的研究主题。科学家们探索不同材料在各种条件下的行为，研究颗粒大小、形状和含水量等因素如何影响“静止角”。这项研究不仅增强了我们对自然过程的理解，也为工业实践提供了指导，例如大宗材料的储存。最后，“静止角”还可以隐喻性地应用于人类行为和决策中。正如物理材料有其稳定性的极限，个人往往也有个人界限和阈值，决定他们对压力源的反应。认识到自己的“静止角”可以提高自我意识和情感韧性。这鼓励个人识别自己的极限，做出促进福祉的明智选择。总之，“静止角”是一个多方面的概念，超越了其技术定义。它在地质学、工程学、农业和个人发展等多个领域发挥着关键作用。通过理解“静止角”，我们可以更好地驾驭物理世界和自己的生活，做出明智的决策，提高安全性、效率和福祉。