repeated load

简明释义

重复载荷

英英释义

例句

1.The testing machine applies a repeated load (重复载荷) to simulate real-world conditions.

测试机施加重复载荷以模拟现实条件。

2.The bridge was designed to withstand a repeated load (重复载荷) from heavy traffic.

这座桥的设计能够承受来自重型交通的重复载荷。

3.Understanding repeated load (重复载荷) is crucial for designing safe structures.

理解重复载荷对于设计安全结构至关重要。

4.The pavement showed signs of wear due to repeated load (重复载荷) from vehicles.

由于车辆的重复载荷，路面出现了磨损迹象。

5.Engineers must consider the effects of repeated load (重复载荷) when analyzing material fatigue.

工程师在分析材料疲劳时必须考虑重复载荷的影响。

作文

In the field of engineering, particularly in structural and mechanical design, the concept of repeated load plays a crucial role in ensuring the safety and durability of various structures and components. A repeated load refers to a force or weight that is applied to a structure multiple times over a period. This can occur in many forms, such as the cyclical loading experienced by bridges due to traffic, or the fluctuating forces on aircraft wings during flight. Understanding how materials respond to repeated load is essential for engineers to design structures that can withstand these forces without failing.The effects of repeated load can lead to fatigue in materials, which is a gradual weakening that occurs over time. When a material is subjected to repeated load, microscopic cracks can develop, leading to eventual failure even if the loads are below the material's ultimate strength. This phenomenon emphasizes the importance of considering repeated load in the design phase. Engineers must calculate the expected number of load cycles a structure will experience throughout its lifespan and ensure that the materials used can endure these conditions.For instance, in the design of a pedestrian bridge, engineers must account for the repeated load imposed by people walking across it. The bridge must be robust enough to handle not just the static weight of individuals but also the dynamic effects caused by groups of people moving together. Similarly, in the automotive industry, the components of a car, such as the suspension system, are constantly subjected to repeated load from road conditions. Engineers conduct extensive testing to simulate these conditions and determine the lifespan and safety of the vehicle.Moreover, the study of repeated load is not limited to large structures. It also applies to everyday objects, such as the hinges on doors that experience frequent opening and closing. Over time, these hinges may fail due to the cumulative effects of repeated load. Therefore, understanding the impact of repeated load can help in selecting appropriate materials and designs that enhance longevity and performance.In conclusion, the significance of repeated load in engineering cannot be overstated. It is a fundamental aspect that influences the design, testing, and maintenance of structures and components across various industries. By acknowledging and addressing the challenges posed by repeated load, engineers can create safer and more reliable products that meet the demands of their intended use. Continuous research and innovation in materials science also contribute to better understanding and management of repeated load, ensuring that our infrastructures remain resilient in the face of constant use.

在工程领域，特别是在结构和机械设计中，重复载荷的概念在确保各种结构和组件的安全性和耐久性方面发挥着至关重要的作用。重复载荷指的是在一段时间内多次施加于结构上的力或重量。这可以以多种形式出现，例如由于交通而导致的桥梁所经历的循环载荷，或飞机在飞行过程中机翼上的波动力。理解材料对重复载荷的反应对于工程师设计能够承受这些力而不发生失效的结构至关重要。重复载荷的影响可能导致材料疲劳，这是一种随着时间的推移逐渐减弱的现象。当材料受到重复载荷时，微观裂纹可能会发展，即使负载低于材料的极限强度，也会导致最终失效。这一现象强调了在设计阶段考虑重复载荷的重要性。工程师必须计算出结构在其使用寿命内将经历的预期载荷循环次数，并确保所用材料能够承受这些条件。例如，在人行天桥的设计中，工程师必须考虑到人们走过时施加的重复载荷。这座桥必须足够坚固，以承受不仅是个体的静态重量，还有因人群一起移动而产生的动态效应。类似地，在汽车工业中，汽车的悬挂系统等组件不断受到来自路况的重复载荷的影响。工程师进行广泛的测试，以模拟这些条件并确定车辆的使用寿命和安全性。此外，重复载荷的研究并不限于大型结构。它还适用于日常物品，例如经常开关的门铰链。随着时间的推移，由于重复载荷的累积效应，这些铰链可能会失效。因此，理解重复载荷的影响有助于选择合适的材料和设计，以增强耐用性和性能。总之，重复载荷在工程中的重要性不可低估。它是影响各行业结构和组件设计、测试和维护的基本方面。通过承认和应对重复载荷带来的挑战，工程师可以创造出更安全、更可靠的产品，以满足其预期用途的需求。材料科学的持续研究和创新也有助于更好地理解和管理重复载荷，确保我们的基础设施在持续使用中保持韧性。