live load

简明释义

活载荷

英英释义

例句

1.Engineers must calculate the live load 活载 when assessing the safety of a building.

工程师在评估建筑物安全性时必须计算活载。

2.During the inspection, the team measured the live load 活载 on the roof to ensure it could support heavy snow.

在检查过程中，团队测量了屋顶上的活载以确保它能承受重雪。

3.The bridge was designed to withstand a maximum live load 活载 of 10 tons.

这座桥的设计能承受最大活载为10吨。

4.Architects consider live load 活载 when designing spaces for public use.

建筑师在设计公共使用空间时考虑活载。

5.The live load 活载 in this area is particularly high due to frequent gatherings.

由于经常聚会，该地区的活载特别高。

作文

In the field of civil engineering, the term live load refers to the dynamic forces that are applied to a structure. These loads can vary over time and are not constant, which distinguishes them from dead loads, which are permanent and static. Understanding the concept of live load is crucial for engineers when designing buildings, bridges, and other structures to ensure safety and stability. Live loads include the weight of people, furniture, vehicles, and any movable objects that may be present in a building or on a bridge. For example, when designing a floor in a residential building, engineers must consider the potential number of occupants, their weight, and the furniture they might bring in. Similarly, for a bridge, the live load would encompass the weight of cars and trucks traveling across it, as well as any additional loads from pedestrians or cyclists. The importance of accurately calculating live load cannot be overstated. If an engineer underestimates these loads, it could lead to catastrophic failures. Structures need to be resilient enough to handle unexpected increases in load, such as during a large event where many people gather in one place. Therefore, building codes often provide guidelines on how to calculate expected live load based on the type of occupancy and use of the space.In addition to considering the maximum load, engineers must also account for the distribution of this load across the structure. Different materials respond differently to live load. For instance, steel beams can support significant live loads due to their strength, while wooden structures may require more careful consideration. Engineers use various mathematical models and simulations to predict how a structure will behave under different live load scenarios.Moreover, the impact of environmental factors on live load should not be overlooked. For example, in regions prone to heavy snowfall, the weight of snow can add to the live load on roofs and other surfaces. Similarly, wind can create dynamic loads on structures, particularly tall buildings and bridges. Therefore, engineers must take these factors into account when designing for live load.In conclusion, the concept of live load is integral to the field of civil engineering. It encompasses all the dynamic forces acting on a structure, which must be accurately calculated and accounted for in the design process. By understanding and applying the principles of live load, engineers can create safe, durable, and efficient structures that meet the needs of society while ensuring public safety. As we continue to develop our cities and infrastructure, the significance of recognizing and properly managing live load will remain a vital aspect of engineering practice.

在土木工程领域，术语live load指的是施加在结构上的动态力量。这些荷载会随时间变化，并不是恒定的，这使得它们与死荷载（dead load）区别开来，后者是永久性和静态的。理解live load的概念对于工程师在设计建筑、桥梁和其他结构时至关重要，以确保安全和稳定。活荷载包括人、家具、车辆以及可能出现在建筑物或桥梁上的任何可移动物体的重量。例如，在设计住宅建筑的地板时，工程师必须考虑潜在的居住人数、他们的体重以及他们可能带入的家具。同样，对于桥梁而言，live load将包括驶过它的汽车和卡车的重量，以及行人或骑自行车者的额外荷载。准确计算live load的重要性不容小觑。如果工程师低估了这些荷载，可能会导致灾难性的失败。结构需要足够坚固以应对意外的荷载增加，例如在大型活动中，许多人聚集在一个地方。因此，建筑规范通常提供有关如何根据空间的使用性质和占用类型计算预期live load的指导。除了考虑最大荷载外，工程师还必须考虑荷载在结构中的分布。不同材料对live load的反应不同。例如，钢梁由于其强度可以支持显著的活荷载，而木结构可能需要更仔细的考虑。工程师使用各种数学模型和模拟来预测结构在不同live load场景下的表现。此外，环境因素对live load的影响也不容忽视。例如，在容易出现大雪的地区，雪的重量会增加屋顶和其他表面的活荷载。同样，风可以对结构产生动态荷载，特别是高层建筑和桥梁。因此，工程师在设计live load时必须考虑这些因素。总之，live load的概念是土木工程领域不可或缺的一部分。它涵盖了作用在结构上的所有动态力量，这些力量必须在设计过程中准确计算和考虑。通过理解和应用live load的原理，工程师能够创造出安全、耐用且高效的结构，满足社会的需求，同时确保公共安全。随着我们继续发展城市和基础设施，认识到并妥善管理live load的重要性将始终是工程实践的一个重要方面。