live load

简明释义

活动负载有效负载

英英释义

例句

1.The live load 活载荷 on the roof includes snow accumulation during winter months.

屋顶上的 活载荷 live load 包括冬季的积雪。

2.To avoid structural failure, the live load 活载荷 must be monitored regularly.

为了避免结构失效，必须定期监测 活载荷 live load 。

3.During the inspection, we measured the live load 活载荷 on the structure to ensure safety.

在检查期间，我们测量了结构上的 活载荷 live load 以确保安全。

4.The bridge was designed to support a maximum live load 活载荷 of 10 tons.

这座桥的设计最大支持 活载荷 live load 为10吨。

5.Engineers must calculate the live load 活载荷 when designing buildings in urban areas.

工程师在设计城市建筑时必须计算 活载荷 live load 。

作文

In the field of engineering, particularly in structural engineering, the term live load refers to the dynamic forces that are applied to a structure during its use. These loads can vary over time and are typically caused by the weight of occupants, furniture, vehicles, and other movable objects within or on a structure. Unlike dead loads, which are static and consist of the weight of the structure itself, live load represents the variable load that can change depending on usage patterns. Understanding the concept of live load is crucial for engineers when designing buildings, bridges, and other structures to ensure safety and stability.When engineers design a building, they must consider various factors that contribute to the live load. For instance, in residential buildings, the live load might include the weight of people living in the home, as well as any furniture or appliances that could be moved around. In commercial buildings, the live load could be significantly higher due to the presence of many occupants, office equipment, and movable partitions. Similarly, for bridges, the live load consists of the weight of vehicles and pedestrians crossing the structure at any given time. To accurately calculate the live load, engineers refer to standardized codes and guidelines that provide specifications for different types of structures. These codes take into account the maximum expected occupancy and usage scenarios, allowing engineers to determine the appropriate load capacities. For example, the American Society of Civil Engineers (ASCE) provides guidelines for live load values based on the type of building and its intended use. One of the critical aspects of considering live load is its impact on the overall design and safety of a structure. If a building is not designed to support the anticipated live load, it may lead to structural failure, which can have catastrophic consequences. Therefore, engineers must perform thorough analyses to ensure that the structure can safely accommodate both dead loads and live loads throughout its lifespan.In addition to safety concerns, understanding live load is also essential for optimizing materials and costs in construction. By accurately estimating the live load, engineers can avoid over-engineering a structure, which can lead to unnecessary expenditure on materials and labor. Conversely, underestimating the live load can result in unsafe conditions, making it imperative for engineers to strike a balance between safety and cost-effectiveness.In summary, the term live load plays a vital role in the field of structural engineering. It encompasses the dynamic loads that a structure must support during its use, including the weight of people and movable objects. Engineers must carefully evaluate and incorporate live load considerations into their designs to ensure the safety, stability, and economic viability of structures. By adhering to established guidelines and conducting detailed analyses, engineers can create safe and functional spaces that meet the needs of their occupants while effectively managing resources.

在工程领域，特别是结构工程中，术语活载荷指的是在结构使用过程中施加于其上的动态力。这些载荷会随着时间的推移而变化，通常是由居住者、家具、车辆和其他可移动物体的重量引起的。与静态且由结构自身的重量组成的死载荷不同，活载荷代表了可根据使用模式变化的可变载荷。理解活载荷的概念对于工程师在设计建筑、桥梁和其他结构时确保安全和稳定至关重要。当工程师设计建筑时，他们必须考虑多种因素，这些因素会影响活载荷。例如，在住宅建筑中，活载荷可能包括居住在家中的人们的重量，以及任何可移动的家具或电器。在商业建筑中，由于存在众多居住者、办公设备和可移动隔断，活载荷可能会显著增加。类似地，对于桥梁，活载荷由过桥的车辆和行人的重量组成。为了准确计算活载荷，工程师会参考标准化的规范和指南，这些规范提供了针对不同类型结构的规格。这些规范考虑了最大预期的占用率和使用场景，使工程师能够确定适当的载荷能力。例如，美国土木工程师学会（ASCE）为不同类型建筑及其预期用途提供了活载荷值的指导。考虑活载荷的一个关键方面是其对结构整体设计和安全性的影响。如果建筑未能设计以支撑预期的活载荷，可能导致结构失效，从而造成灾难性后果。因此，工程师必须进行全面分析，以确保结构能够安全地承载死载荷和活载荷，并在其整个生命周期内保持稳定。除了安全问题，理解活载荷对于优化建筑材料和成本也至关重要。通过准确估算活载荷，工程师可以避免过度设计结构，这可能导致不必要的材料和劳动力支出。相反，低估活载荷可能会导致不安全的条件，因此工程师必须在安全性和经济性之间取得平衡。总之，术语活载荷在结构工程领域中发挥着至关重要的作用。它涵盖了结构在使用过程中必须支撑的动态载荷，包括人和可移动物体的重量。工程师必须仔细评估并将活载荷的考虑纳入他们的设计中，以确保结构的安全性、稳定性和经济可行性。通过遵循既定的指导方针并进行详细的分析，工程师可以创建安全且功能齐全的空间，满足居住者的需求，同时有效管理资源。