moving load

简明释义

活动负载

英英释义

例句

1.Calculating the moving load is essential for ensuring safety in construction projects.

计算移动荷载对于确保建筑项目的安全至关重要。

2.The bridge was designed to withstand a significant moving load.

这座桥梁的设计能够承受较大的移动荷载。

3.Engineers must consider the effects of moving load when analyzing the stability of structures.

工程师在分析结构的稳定性时必须考虑移动荷载的影响。

4.The moving load of the train caused vibrations in the nearby buildings.

火车的移动荷载导致附近建筑物产生震动。

5.The moving load on the highway increases during rush hour.

高速公路上的移动荷载在高峰时段增加。

作文

In the field of engineering and construction, understanding the concept of a moving load is crucial for designing safe and efficient structures. A moving load refers to any load that is not stationary; it changes position over time as it moves across a structure. This can include vehicles driving over a bridge, trains traveling along a railway, or even pedestrians walking on a sidewalk. The significance of moving loads lies in their impact on the structural integrity and stability of various constructions. When engineers design bridges, they must account for the moving load that vehicles will impose on the structure. The load is not only about the weight of the vehicles but also how this weight shifts as the vehicles move. For example, when a heavy truck travels over a bridge, it exerts a different force compared to a lightweight car. Engineers use complex calculations and simulations to predict how these moving loads will affect the bridge over time. They must ensure that the bridge can withstand not just the maximum load but also the dynamic forces that occur when the load is in motion. Moreover, moving loads can lead to vibrations and oscillations within structures, which can be detrimental if not properly managed. For instance, if a train passes over a railway bridge, the vibrations caused by the moving load can resonate with the natural frequency of the bridge, potentially leading to structural failure. To mitigate such risks, engineers often incorporate damping systems or design the bridge with specific materials that can absorb and dissipate these vibrations effectively. Another important aspect of moving loads is their relevance in the design of buildings. In urban areas, where pedestrian traffic is common, architects must consider the effects of moving loads on walkways, staircases, and elevators. High-rise buildings, for instance, experience significant moving loads from people moving between floors, and this must be factored into the design to ensure safety and comfort. Furthermore, the analysis of moving loads is not limited to traditional structures. In modern engineering, where technology plays a vital role, the concept extends to dynamic systems such as robotic arms and automated machinery. These systems must account for moving loads in their operations to function efficiently and safely. The precision in handling moving loads is essential for industries like manufacturing and logistics, where even minor errors can lead to significant consequences. In conclusion, the understanding of moving loads is fundamental in engineering and construction. It influences the design, safety, and longevity of structures, ensuring they can accommodate the dynamic nature of loads in motion. As technology advances, the methods for analyzing and managing moving loads will continue to evolve, further enhancing our ability to create resilient and efficient infrastructure. Engineers and architects must remain vigilant in their study of moving loads to ensure that they build structures that not only meet current demands but are also prepared for future challenges.

在工程和建筑领域，理解“移动荷载”的概念对设计安全高效的结构至关重要。“移动荷载”指的是任何不固定的荷载；它随着时间的推移而改变位置，移动穿过一个结构。这可以包括车辆在桥上行驶、火车沿着铁路行驶，甚至是行人在人行道上走动。“移动荷载”的重要性在于它对各种建筑物的结构完整性和稳定性的影响。当工程师设计桥梁时，他们必须考虑车辆施加在结构上的“移动荷载”。这个荷载不仅仅是车辆的重量，还包括车辆移动时这种重量如何变化。例如，当一辆重型卡车经过一座桥时，它施加的力量与一辆轻型汽车的力量是不同的。工程师使用复杂的计算和模拟来预测这些“移动荷载”将如何影响桥梁的使用寿命。他们必须确保桥梁能够承受的不仅仅是最大荷载，还有荷载在运动时产生的动态力量。此外，“移动荷载”可能导致结构内的振动和振荡，如果没有适当管理，可能会造成损害。例如，当火车经过铁路桥时，“移动荷载”引起的振动可能与桥梁的自然频率共振，潜在地导致结构失效。为了减轻此类风险，工程师通常会采用阻尼系统或用特定材料设计桥梁，以有效吸收和消散这些振动。“移动荷载”的另一个重要方面是在建筑设计中的相关性。在城市地区，人流密集，建筑师必须考虑“移动荷载”对人行道、楼梯和电梯的影响。例如，高层建筑在楼层之间移动的人群会产生显著的“移动荷载”，这必须纳入设计中，以确保安全和舒适。此外，“移动荷载”的分析不仅限于传统结构。在现代工程中，技术发挥着至关重要的作用，这个概念扩展到动态系统，例如机器人手臂和自动化机械。这些系统在操作时必须考虑“移动荷载”，以便高效、安全地运行。处理“移动荷载”的精确性对于制造和物流等行业至关重要，因为即使是微小的错误也可能导致重大后果。总之，理解“移动荷载”在工程和建筑中是基础性的。它影响结构的设计、安全性和耐久性，确保它们能够适应动态的运动荷载。随着技术的进步，分析和管理“移动荷载”的方法将继续发展，进一步增强我们创造韧性和高效基础设施的能力。工程师和建筑师必须在研究“移动荷载”方面保持警惕，以确保他们建造的结构不仅满足当前需求，而且也为未来的挑战做好准备。