live load
简明释义
活荷载
英英释义
A live load refers to the weight of movable or temporary loads that a structure must support, such as people, furniture, vehicles, and equipment. | 活载荷指的是结构必须支持的可移动或临时载荷的重量,例如人、家具、车辆和设备。 |
例句
1.The building's design includes considerations for both dead and live load 活载荷 in its calculations.
建筑的设计在计算中考虑了静载荷和活载荷。
2.When calculating the total weight, we must consider the live load 活载荷 from people and furniture.
在计算总重量时,我们必须考虑来自人和家具的活载荷。
3.The bridge was designed to support a maximum live load 活载荷 of 20 tons.
这座桥的设计能够支持最大为20吨的活载荷。
4.Heavy machinery can significantly increase the live load 活载荷 on a construction site.
重型机械可以显著增加建筑工地上的活载荷。
5.During the inspection, engineers measured the live load 活载荷 on the structure to ensure safety.
在检查期间,工程师测量了结构上的活载荷以确保安全。
作文
In the field of civil engineering, understanding the various types of loads that structures must support is crucial for ensuring safety and stability. One of the most important concepts in this area is the term live load, which refers to the dynamic forces that act on a structure during its use. Unlike dead loads, which are constant and include the weight of the structure itself, live loads change over time and can vary significantly based on the activities taking place within or around the structure. For instance, in a building, the live load includes the weight of occupants, furniture, and movable equipment, all of which can fluctuate depending on the number of people present and their activities.To illustrate the significance of live loads, consider a public library. During peak hours, the library may be filled with students and visitors, leading to a high live load. Conversely, during off-peak times, the number of occupants may decrease dramatically, thus reducing the live load on the structure. Engineers must account for these variations when designing the building to ensure that it can safely support both maximum and minimum live loads without compromising structural integrity.Moreover, different types of buildings have different considerations for live loads. For example, a gymnasium will experience higher live loads due to the presence of sports equipment and large crowds during events. In contrast, an office building may have a relatively lower live load, but the fluctuating number of employees and their workstations still requires careful calculation. The design process involves assessing these potential live loads and applying safety factors to ensure that the structure can withstand unexpected surges in weight.Another critical aspect of live loads is their impact on the overall design and materials used in construction. Structures that are expected to bear significant live loads may require stronger materials or reinforcement techniques to prevent failure. For instance, beams and columns must be designed to accommodate the maximum anticipated live load, and this often involves complex calculations and simulations. Engineers utilize various codes and standards to guide them in determining appropriate live loads for different types of buildings, ensuring compliance with safety regulations.In summary, the concept of live load is integral to civil engineering and architecture. It encompasses the variable forces exerted on a structure by its occupants and contents, which can fluctuate widely. Understanding live loads allows engineers to design safe, functional buildings that can adapt to changing circumstances while maintaining structural integrity. By carefully considering live loads during the design phase, engineers contribute to the longevity and safety of the structures we rely on every day.
在土木工程领域,理解结构必须承受的各种负载类型对于确保安全和稳定至关重要。在这个领域中,一个重要的概念是术语活荷载,它指的是在结构使用过程中施加于其上的动态力量。与恒定的死荷载不同,死荷载包括结构自身的重量,活荷载会随着时间而变化,并且可能因结构内外发生的活动而显著不同。例如,在一栋建筑物中,活荷载包括居住者、家具和可移动设备的重量,这些都可能根据在场人数和他们的活动而波动。为了说明活荷载的重要性,考虑一个公共图书馆。在高峰时段,图书馆可能挤满了学生和访客,从而导致高活荷载。相反,在非高峰时段,居住者数量可能急剧减少,从而降低结构上的活荷载。工程师在设计建筑时必须考虑这些变化,以确保它能够安全地支持最大和最小活荷载而不影响结构完整性。此外,不同类型的建筑对活荷载有不同的考虑。例如,体育馆将由于运动设备和大型观众在活动期间而经历更高的活荷载。相比之下,办公楼的活荷载可能相对较低,但员工数量和工作站的波动仍然需要仔细计算。设计过程涉及评估这些潜在的活荷载并应用安全系数,以确保结构能够承受意外的重量激增。活荷载的另一个关键方面是它们对整体设计和建筑材料的影响。预计承受重大活荷载的结构可能需要更强的材料或加固技术以防止失效。例如,梁和柱必须设计成能够适应预期的最大活荷载,这通常涉及复杂的计算和模拟。工程师利用各种规范和标准来指导他们确定不同类型建筑的适当活荷载,确保符合安全法规。总之,活荷载的概念对于土木工程和建筑学至关重要。它涵盖了由其居住者和内容施加于结构的可变力量,这些力量可能广泛波动。理解活荷载使工程师能够设计安全、功能齐全的建筑,这些建筑能够适应不断变化的情况,同时保持结构完整性。通过在设计阶段仔细考虑活荷载,工程师为我们每天依赖的结构的耐久性和安全性做出了贡献。