live load

简明释义

实用负载;工作负载;动载荷

英英释义

例句

1.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10吨的活载荷。

2.Engineers must calculate the live load 活载荷 when designing buildings to ensure safety.

工程师在设计建筑时必须计算活载荷以确保安全。

3.The live load 活载荷 from the crowd at the concert was higher than expected.

音乐会人群的活载荷超过了预期。

4.In structural engineering, live load 活载荷 refers to temporary loads that can change over time.

在结构工程中，活载荷指的是随着时间变化的临时负荷。

5.During the inspection, we measured the live load 活载荷 on the rooftop terrace.

在检查过程中，我们测量了屋顶露台上的活载荷。

作文

In the field of civil engineering, understanding the concept of live load is crucial for designing safe and effective structures. A live load, which refers to the dynamic forces acting on a structure, includes all the temporary loads that a building or bridge must support during its use. These can include people, furniture, vehicles, and even snow accumulation. Unlike dead loads, which are static and constant forces such as the weight of the building materials themselves, live loads can vary significantly over time. The importance of accurately calculating live loads cannot be overstated. Engineers must consider various factors when determining these loads, including the intended use of the structure, the maximum occupancy, and local environmental conditions. For instance, a public library will have different live load requirements compared to a residential home due to the varying number of occupants and the types of activities that take place within. Similarly, a parking garage must account for the weight of cars and the potential for heavy traffic, while a bridge must consider both pedestrian and vehicular loads. To ensure safety, engineers often refer to building codes that provide guidelines on how to calculate live loads. These codes take into account historical data and statistical analysis to predict the maximum expected loads. Additionally, engineers may conduct simulations and stress tests to see how a structure performs under different live load scenarios. This process helps in identifying potential weaknesses in the design before construction begins. Moreover, the concept of live load is not just limited to buildings and bridges; it extends to other infrastructures like dams and towers. Each structure has its unique challenges and considerations regarding live loads. For example, in the case of a dam, the live load might include water levels fluctuating due to rainfall or drought, which can impact the structural integrity of the dam itself. In conclusion, the concept of live load plays a vital role in the design and construction of various structures. It encompasses all the dynamic forces that a building or infrastructure must endure throughout its lifespan. By carefully calculating and planning for live loads, engineers can ensure that structures are safe, functional, and capable of withstanding the demands placed upon them by their users and the environment. Understanding live load allows for better engineering practices, ultimately leading to safer communities and enhanced quality of life for everyone. In essence, the study of live loads is a testament to the intricate balance between human activity and structural resilience, highlighting the importance of thoughtful design in our built environment.

在土木工程领域，理解活荷载的概念对于设计安全有效的结构至关重要。活荷载指的是作用于结构上的动态力，包括建筑物或桥梁在使用过程中必须承受的所有临时荷载。这些荷载可以包括人、家具、车辆，甚至是积雪。与静态且恒定的死荷载不同，死荷载是建筑材料自身的重量，活荷载会随着时间的推移而显著变化。准确计算活荷载的重要性不容小觑。工程师在确定这些荷载时必须考虑各种因素，包括结构的预期用途、最大居住人数和当地环境条件。例如，公共图书馆的活荷载要求与住宅的要求不同，因为两者的居住人数和活动类型各异。同样，停车场必须考虑汽车的重量和潜在的交通繁忙，而桥梁则必须同时考虑行人和车辆的荷载。为了确保安全，工程师通常参考建筑规范，这些规范提供了如何计算活荷载的指南。这些规范考虑了历史数据和统计分析，以预测最大预期荷载。此外，工程师可能会进行模拟和应力测试，以查看结构在不同活荷载场景下的表现。这一过程有助于在施工开始前识别设计中的潜在弱点。此外，活荷载的概念不仅限于建筑物和桥梁；它还扩展到其他基础设施，如大坝和塔楼。每种结构在活荷载方面都有其独特的挑战和考虑。例如，在大坝的情况下，活荷载可能包括由于降雨或干旱而波动的水位，这可能影响大坝本身的结构完整性。总之，活荷载的概念在各种结构的设计和建造中发挥着至关重要的作用。它涵盖了建筑物或基础设施在其生命周期内必须承受的所有动态力量。通过仔细计算和规划活荷载，工程师可以确保结构安全、功能齐全，并能够承受用户和环境施加的要求。理解活荷载使得工程实践更加优秀，最终为每个人创造更安全的社区和更高的生活质量。从本质上讲，活荷载的研究是人类活动与结构韧性之间微妙平衡的证明，突显了在我们建成环境中深思熟虑的设计的重要性。