ultimate limit state

简明释义

极限状态

英英释义

例句

1.Engineers must consider the ultimate limit state 极限状态 when assessing the safety of a structure under extreme conditions.

工程师在评估结构在极端条件下的安全性时，必须考虑ultimate limit state 极限状态。

2.The ultimate limit state 极限状态 design approach helps in minimizing risks associated with structural failures.

采用ultimate limit state 极限状态设计方法有助于最小化与结构失效相关的风险。

3.In the analysis of the dam, the ultimate limit state 极限状态 was reached during the flood simulation tests.

在大坝的分析中，洪水模拟测试中达到了ultimate limit state 极限状态。

4.During the construction phase, the team monitored the ultimate limit state 极限状态 to ensure compliance with safety standards.

在施工阶段，团队监测ultimate limit state 极限状态以确保符合安全标准。

5.The design of the bridge was based on the concept of ultimate limit state 极限状态 to ensure it could withstand maximum loads.

这座桥的设计基于ultimate limit state 极限状态的概念，以确保它能够承受最大负荷。

作文

In the field of structural engineering, the concept of ultimate limit state plays a crucial role in ensuring the safety and reliability of structures. The ultimate limit state refers to the maximum load-carrying capacity of a structure before it fails or collapses. This concept is vital for engineers as it helps them determine the necessary design parameters that will allow a structure to withstand various loads throughout its lifespan.Understanding the ultimate limit state is essential for several reasons. First and foremost, it ensures public safety. Structures such as bridges, buildings, and dams must be designed to resist not only the expected loads but also unexpected events, such as natural disasters or accidental overloads. By considering the ultimate limit state, engineers can design structures that remain safe and functional even under extreme conditions.Moreover, the ultimate limit state is integral to the economic viability of construction projects. Designing a structure to meet these limits allows for the optimization of materials and resources. Engineers can avoid over-designing, which often leads to unnecessary costs and waste. For instance, if a bridge is designed with an understanding of its ultimate limit state, it can be constructed using just enough material to ensure safety without excessive expenditure.In addition to safety and cost-effectiveness, the ultimate limit state also influences the longevity of structures. When a building or infrastructure is designed with this principle in mind, it tends to have a longer service life. Regular assessments of the ultimate limit state during maintenance checks can help identify potential weaknesses before they lead to significant issues, thereby extending the overall lifespan of the structure.Furthermore, the ultimate limit state is not limited to static loads; it also encompasses dynamic loads, which are critical for structures subjected to forces like wind, earthquakes, or vibrations. Engineers must consider how these dynamic factors impact the ultimate limit state to ensure that the structure can accommodate both static and dynamic conditions effectively.To illustrate the importance of the ultimate limit state, consider the example of a high-rise building. During its design phase, engineers must calculate the maximum loads the building will face, including the weight of the building materials, occupants, and furniture, as well as environmental loads such as wind and seismic activity. By understanding the ultimate limit state, they can ensure that the building's structural elements, such as beams and columns, are adequately sized and reinforced to handle these loads without risk of failure.In conclusion, the ultimate limit state is a fundamental concept in structural engineering that ensures the safety, economic efficiency, and longevity of structures. By prioritizing this principle in design and analysis, engineers can create resilient infrastructures that withstand the test of time and protect public safety. As we continue to face challenges from climate change and increasing urbanization, the relevance of the ultimate limit state will only grow, making it an indispensable aspect of modern engineering practices.

在结构工程领域，极限状态的概念在确保结构的安全性和可靠性方面发挥着至关重要的作用。极限状态是指结构在失效或倒塌之前的最大承载能力。这个概念对工程师至关重要，因为它帮助他们确定必要的设计参数，使结构在其使用寿命内能够承受各种荷载。理解极限状态至关重要，原因有很多。首先，它确保公众安全。桥梁、建筑物和大坝等结构必须设计成不仅能抵抗预期荷载，还能抵御意外事件，如自然灾害或意外超载。通过考虑极限状态，工程师可以设计出即使在极端条件下也能保持安全和功能的结构。此外，极限状态对于建设项目的经济可行性也至关重要。根据这些极限设计结构可以优化材料和资源。工程师可以避免过度设计，这往往会导致不必要的成本和浪费。例如，如果一座桥梁在理解其极限状态的情况下设计，就可以使用足够的材料确保安全，而不会造成过多支出。除了安全性和成本效益外，极限状态还影响结构的耐久性。当建筑或基础设施在设计时考虑到这一原则时，它通常具有更长的使用寿命。在维护检查期间定期评估极限状态可以帮助识别潜在的弱点，从而在出现重大问题之前解决这些问题，从而延长结构的整体使用寿命。此外，极限状态不仅限于静态荷载；它还涵盖动态荷载，这对承受风、地震或振动等力的结构至关重要。工程师必须考虑这些动态因素如何影响极限状态，以确保结构能够有效地适应静态和动态条件。为了说明极限状态的重要性，可以考虑一座高层建筑的例子。在设计阶段，工程师必须计算建筑将面临的最大荷载，包括建筑材料、居住者和家具的重量，以及风和地震等环境荷载。通过理解极限状态，他们可以确保建筑的结构元素，如梁和柱，经过充分的尺寸和加固，以处理这些荷载而不发生失效。总之，极限状态是结构工程中的一个基本概念，确保结构的安全性、经济效率和耐久性。通过在设计和分析中优先考虑这一原则，工程师可以创建出能够经受时间考验并保护公众安全的韧性基础设施。随着我们继续面临气候变化和城市化加剧的挑战，极限状态的相关性只会增加，使其成为现代工程实践中不可或缺的方面。