moving load

简明释义

活动负载

英英释义

例句

1.The crane's capacity is affected by the weight of the moving load it carries.

起重机的能力受到它所承载的移动载荷重量的影响。

2.During the test, the moving load simulated a train passing over the tracks.

在测试中，移动载荷模拟了一列火车经过轨道的情况。

3.Engineers must calculate the effects of moving load on the structure's stability.

工程师必须计算移动载荷对结构稳定性的影响。

4.The bridge was designed to withstand a significant amount of moving load.

这座桥的设计能够承受大量的移动载荷。

5.Calculating the impact of a moving load is crucial for bridge safety.

计算移动载荷的影响对于桥梁安全至关重要。

作文

In the field of civil engineering, the concept of a moving load is crucial for the design and analysis of structures such as bridges, highways, and buildings. A moving load refers to any load that is not stationary but instead changes its position over time. This can include vehicles traveling on a road or train cars moving along a track. Understanding how these loads affect structural integrity is essential for ensuring safety and durability.When engineers design a bridge, they must consider various factors related to moving loads. For instance, the weight of vehicles can vary significantly; therefore, engineers often use standardized vehicle weights to simulate potential moving loads. Additionally, they take into account the dynamic effects that occur when a load moves across a structure. These dynamic effects can lead to increased stresses and strains in the materials used, which must be carefully analyzed during the design phase.One of the primary challenges with moving loads is predicting how they will interact with the structure. Engineers utilize sophisticated mathematical models and simulations to estimate the impact of different types of moving loads. For example, when a heavy truck crosses a bridge, it generates forces that can cause vibrations and oscillations. If these forces are not adequately accounted for, they can lead to structural failures over time.Moreover, moving loads can also influence the design of other infrastructure components, such as pavements and rail tracks. The wear and tear caused by moving loads necessitate regular maintenance and inspections to ensure that the infrastructure remains safe for public use. Engineers often implement strategies such as using durable materials and designing for flexibility to accommodate the effects of moving loads.In summary, the concept of a moving load is integral to civil engineering. It encompasses the dynamic forces exerted by vehicles and other mobile entities on structures. By understanding and analyzing moving loads, engineers can create safer, more resilient infrastructures that can withstand the test of time. As cities continue to grow and transportation systems evolve, the importance of addressing moving loads in design and maintenance will only increase, making it a vital area of study within the field of engineering.

在土木工程领域，移动荷载的概念对于桥梁、公路和建筑物等结构的设计与分析至关重要。移动荷载指的是任何不是静止的荷载，而是随时间变化其位置的荷载。这可以包括在道路上行驶的车辆或沿轨道移动的列车。理解这些荷载如何影响结构的完整性对于确保安全和耐久性至关重要。当工程师设计桥梁时，他们必须考虑与移动荷载相关的各种因素。例如，车辆的重量可能会有显著变化；因此，工程师通常使用标准化的车辆重量来模拟潜在的移动荷载。此外，他们还考虑到荷载在结构上移动时产生的动态效应。这些动态效应可能导致材料中产生额外的应力和应变，这必须在设计阶段进行仔细分析。与移动荷载相关的主要挑战之一是预测它们如何与结构相互作用。工程师利用复杂的数学模型和仿真来估算不同类型移动荷载的影响。例如，当一辆重型卡车穿过桥梁时，它会产生力量，导致振动和摆动。如果这些力量没有得到充分考虑，可能会导致结构随着时间的推移而出现故障。此外，移动荷载还会影响其他基础设施组件的设计，例如路面和轨道。移动荷载造成的磨损和撕裂需要定期维护和检查，以确保基础设施对公众使用的安全。工程师通常实施耐用材料和灵活设计等策略，以适应移动荷载的影响。总之，移动荷载的概念是土木工程的重要组成部分。它包含了车辆和其他活动实体对结构施加的动态力量。通过理解和分析移动荷载，工程师可以创建更安全、更具韧性的基础设施，能够经受住时间的考验。随着城市的不断发展和交通系统的演变，在设计和维护中解决移动荷载的重要性只会增加，使其成为工程领域内一个至关重要的研究领域。