ultimate load
简明释义
极限载荷
英英释义
Ultimate load refers to the maximum load or stress that a structure or component can withstand before failure occurs. | 极限荷载是指结构或构件在发生失效之前能够承受的最大荷载或应力。 |
例句
1.Engineers must calculate the ultimate load 极限载荷 to ensure safety in construction projects.
工程师必须计算ultimate load 极限载荷以确保建筑项目的安全。
2.The bridge was designed to withstand an ultimate load 极限载荷 of 100 tons.
这座桥的设计能够承受100吨的ultimate load 极限载荷。
3.The ultimate load 极限载荷 capacity of the dam is crucial for flood management.
大坝的ultimate load 极限载荷能力对于洪水管理至关重要。
4.The testing machine applies an ultimate load 极限载荷 to determine material strength.
测试机施加ultimate load 极限载荷以确定材料强度。
5.Before finalizing the design, we need to verify the ultimate load 极限载荷 calculations.
在最终确定设计之前,我们需要验证ultimate load 极限载荷的计算。
作文
In the field of engineering, particularly in structural and civil engineering, the term ultimate load refers to the maximum load that a structure can support before failure occurs. This concept is crucial when designing buildings, bridges, and other infrastructures because it ensures that they can withstand various forces without collapsing. Understanding the ultimate load is essential for engineers as it helps them to create safe and reliable structures that can endure the test of time and natural forces such as wind, earthquakes, and snow loads.The determination of the ultimate load involves rigorous testing and analysis. Engineers often use mathematical models and simulations to predict how different materials will behave under stress. For instance, when constructing a bridge, engineers must calculate the weight of the vehicles that will travel over it, as well as environmental factors like wind and temperature changes. By assessing these variables, they can establish the ultimate load that the bridge must be able to support.Moreover, the concept of ultimate load is not only limited to static loads but also includes dynamic loads. Dynamic loads are those that change over time, such as traffic on a highway or vibrations from machinery. Engineers must consider these factors to ensure that the structure remains stable and safe throughout its lifespan.One of the most critical aspects of understanding the ultimate load is the safety factor. The safety factor is a design principle that provides a margin of safety by ensuring that the actual load a structure experiences is significantly less than its ultimate load. For example, if a beam has an ultimate load of 10,000 pounds, engineers might design it to safely handle only 5,000 pounds during normal use. This precautionary measure accounts for unexpected events and potential material degradation over time.In practice, the application of the ultimate load concept can be seen in various construction projects. For instance, during the construction of skyscrapers, engineers must analyze the ultimate load to accommodate not only the weight of the building itself but also the occupants, furniture, and equipment. Additionally, they must consider the lateral forces that can occur due to wind or seismic activity. By doing so, they can ensure that the skyscraper remains standing even under extreme conditions.Furthermore, the ultimate load plays a significant role in the maintenance and inspection of existing structures. Regular assessments are necessary to determine if a structure still meets its original load requirements. If signs of wear or damage are detected, engineers may need to reinforce the structure to restore its ultimate load capacity.In conclusion, the concept of ultimate load is fundamental in the field of engineering. It encompasses the maximum load a structure can bear before failure and is vital for ensuring safety and reliability in construction. Through careful analysis and application of safety factors, engineers can design and maintain structures that not only meet but exceed the necessary load requirements, providing peace of mind to users and stakeholders alike.
在工程领域,特别是结构和土木工程中,术语ultimate load指的是结构在发生故障之前能够承受的最大负载。这个概念在设计建筑、桥梁和其他基础设施时至关重要,因为它确保这些结构能够承受各种力量而不会倒塌。理解ultimate load对工程师来说至关重要,因为它帮助他们创建安全可靠的结构,这些结构能够经受住时间和自然力量的考验,如风、地震和雪荷载。ultimate load的确定涉及严格的测试和分析。工程师通常使用数学模型和模拟来预测不同材料在压力下的表现。例如,在建造桥梁时,工程师必须计算将要通过桥梁的车辆的重量,以及风和温度变化等环境因素。通过评估这些变量,他们可以建立桥梁必须能够支持的ultimate load。此外,ultimate load的概念不仅限于静态荷载,还包括动态荷载。动态荷载是指随时间变化的荷载,例如高速公路上的交通或机械振动。工程师必须考虑这些因素,以确保结构在其整个生命周期内保持稳定和安全。理解ultimate load的一个关键方面是安全系数。安全系数是一种设计原则,通过确保结构实际承受的荷载远低于其ultimate load,提供了安全裕度。例如,如果一根梁的ultimate load为10,000磅,工程师可能会设计它在正常使用时安全处理的荷载仅为5,000磅。这种预防措施考虑了意外事件和材料随时间可能发生的降解。在实践中,ultimate load概念的应用可以在各种建设项目中看到。例如,在摩天大楼的建设过程中,工程师必须分析ultimate load以适应建筑本身的重量以及居住者、家具和设备。此外,他们还必须考虑由于风或地震活动可能发生的侧向力。通过这样做,他们可以确保摩天大楼在极端条件下仍然屹立不倒。此外,ultimate load在现有结构的维护和检查中也发挥着重要作用。定期评估是必要的,以确定结构是否仍然符合其原始的负载要求。如果发现磨损或损坏的迹象,工程师可能需要加固结构,以恢复其ultimate load能力。总之,ultimate load的概念在工程领域中是基础性的。它涵盖了结构在故障之前能够承受的最大负载,并且对于确保建筑的安全性和可靠性至关重要。通过仔细分析和应用安全系数,工程师可以设计和维护超出必要负载要求的结构,为用户和利益相关者提供安心。