ultimate limit state

简明释义

极限状态

英英释义

例句

1.When analyzing a dam, it's crucial to evaluate its ultimate limit state 极限状态 to prevent catastrophic failures.

在分析大坝时，评估其ultimate limit state 极限状态至关重要，以防止灾难性故障。

2.Engineers often perform simulations to assess the ultimate limit state 极限状态 of structures under extreme conditions.

工程师通常会进行模拟，以评估结构在极端条件下的ultimate limit state 极限状态。

3.The ultimate limit state 极限状态 criteria were established to ensure safety and reliability in building designs.

为了确保建筑设计的安全性和可靠性，建立了ultimate limit state 极限状态标准。

4.In geotechnical engineering, understanding the ultimate limit state 极限状态 is essential for foundation design.

在岩土工程中，理解ultimate limit state 极限状态对基础设计至关重要。

5.The design of the bridge must ensure that it can withstand loads without reaching the ultimate limit state 极限状态 during its lifespan.

桥梁的设计必须确保在其使用寿命内能够承受荷载，而不会达到ultimate limit state 极限状态。

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 failure occurs. This concept is essential for engineers as it helps them design buildings, bridges, and other infrastructures that can withstand various forces, including dead loads, live loads, wind loads, and seismic activities.Understanding the ultimate limit state involves recognizing different types of failures that can occur in structures. These failures may include collapse, excessive deformation, or loss of stability. For instance, when designing a bridge, engineers must consider the ultimate limit state to ensure that the bridge can support not only its own weight but also the weight of vehicles and pedestrians. If the load exceeds the ultimate limit state, the bridge may fail, leading to catastrophic consequences.To effectively analyze the ultimate limit state, engineers often use various methods, including limit state design and reliability analysis. Limit state design focuses on identifying the conditions under which a structure will fail and designing accordingly to prevent such failures. Reliability analysis, on the other hand, assesses the probability of failure and helps engineers make informed decisions about material selection and construction practices.Another important aspect of the ultimate limit state is the consideration of safety factors. Safety factors are used to provide a margin of safety in design, accounting for uncertainties in material properties, loading conditions, and construction quality. By incorporating safety factors, engineers can ensure that structures remain safe under unexpected circumstances, thereby enhancing their overall performance and longevity.The significance of the ultimate limit state extends beyond just structural safety; it also impacts economic efficiency. A well-designed structure that considers the ultimate limit state can minimize material waste and reduce construction costs. Engineers strive to find the balance between safety and economy, ensuring that structures are both reliable and cost-effective.In conclusion, the ultimate limit state is a fundamental concept in structural engineering that dictates the design and analysis of safe and efficient structures. By understanding the ultimate limit state, engineers can create designs that not only meet safety requirements but also optimize material usage and construction costs. As we continue to advance in engineering practices, the importance of the ultimate limit state will remain a cornerstone in building a sustainable and resilient infrastructure for the future.

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。极限状态指的是结构在发生失效之前能够承载的最大荷载能力。这个概念对工程师来说至关重要，因为它帮助他们设计能够承受各种力的建筑物、桥梁和其他基础设施，包括自重、活荷载、风荷载和地震活动。理解极限状态涉及到认识结构可能发生的不同类型的失效。这些失效可能包括倒塌、过度变形或失去稳定性。例如，在设计桥梁时，工程师必须考虑极限状态，以确保桥梁不仅能支撑自身的重量，还能支撑车辆和行人的重量。如果荷载超过了极限状态，桥梁可能会失效，导致灾难性的后果。为了有效分析极限状态，工程师通常使用多种方法，包括极限状态设计和可靠性分析。极限状态设计侧重于识别结构失效的条件，并据此进行设计以防止这种失效。而可靠性分析则评估失效的概率，帮助工程师就材料选择和施工实践做出明智的决策。极限状态的另一个重要方面是考虑安全系数。安全系数用于在设计中提供安全裕度，以考虑材料特性、荷载条件和施工质量的不确定性。通过引入安全系数，工程师可以确保在意外情况下结构仍然安全，从而增强其整体性能和使用寿命。极限状态的重要性不仅体现在结构安全上；它还影响经济效率。一个考虑了极限状态的合理设计可以最小化材料浪费并降低施工成本。工程师努力寻找安全与经济之间的平衡，确保结构既可靠又具有成本效益。总之，极限状态是结构工程中的一个基本概念，它决定了安全和高效结构的设计和分析。通过理解极限状态，工程师可以创建不仅满足安全要求，而且优化材料使用和施工成本的设计。随着我们在工程实践中的不断进步，极限状态的重要性将继续成为建设可持续和韧性基础设施的基石。