buckling limit

简明释义

扭曲极限

英英释义

例句

1.A material's buckling limit can vary depending on its shape and support conditions.

材料的屈曲极限可能会因其形状和支撑条件而有所不同。

2.Understanding the buckling limit is essential for ensuring the longevity of tall structures.

了解屈曲极限对于确保高层建筑的耐久性至关重要。

3.The engineer calculated the buckling limit to ensure the stability of the structure under load.

工程师计算了屈曲极限以确保结构在负载下的稳定性。

4.The architect specified materials that exceed the buckling limit for added safety.

建筑师指定了超过屈曲极限的材料以增加安全性。

5.When designing columns, it is crucial to consider the buckling limit to prevent failure.

在设计柱子时，考虑屈曲极限以防止失效是至关重要的。

作文

In the field of structural engineering, understanding the concept of the buckling limit is crucial for ensuring the safety and stability of various structures. The buckling limit refers to the maximum load that a structural element, such as a column or beam, can withstand before it deforms significantly due to buckling. Buckling is a failure mode that occurs when a structural member is subjected to compressive stress, leading to sudden lateral deflection. This phenomenon is especially critical in slender structures where the risk of buckling increases with height and slenderness ratio.To illustrate this concept, consider a tall, slender column supporting a roof. As the load on the column increases, there comes a point where the compressive stress exceeds the buckling limit. At this stage, instead of continuing to support the load in a straight vertical line, the column may bow outwards, leading to potential collapse. Engineers must calculate the buckling limit during the design phase to prevent such failures.The calculation of the buckling limit involves several factors, including the material properties, cross-sectional shape, and length of the structural element. For example, materials like steel have high compressive strengths, but their performance can vary based on how they are shaped. A wide, flat beam will have a lower buckling limit compared to a narrow, cylindrical one due to differences in how they distribute stress under load.Additionally, environmental factors such as temperature and moisture can also affect the buckling limit. For instance, in environments where high temperatures are common, materials may weaken, thus lowering their buckling limit. Engineers must take these variables into account when designing structures that will be exposed to varying conditions over time.Understanding the buckling limit is not only important for new constructions but also for the assessment and maintenance of existing structures. Regular inspections can help identify signs of potential buckling, allowing for timely interventions to reinforce or replace compromised elements. This proactive approach is essential for maintaining the integrity and safety of buildings, bridges, and other infrastructure.In conclusion, the buckling limit is a fundamental concept in structural engineering that influences design, safety, and longevity of structures. By thoroughly understanding and calculating the buckling limit, engineers can create safer buildings that withstand the forces they encounter throughout their lifespan. Ultimately, this knowledge contributes to the overall resilience of our built environment, ensuring that structures remain safe for public use and can endure the test of time.

在结构工程领域，理解屈曲极限的概念对确保各种结构的安全性和稳定性至关重要。屈曲极限指的是结构构件（如柱或梁）在发生显著变形之前所能承受的最大载荷。屈曲是一种失效模式，当结构构件受到压缩应力时，会导致突然的横向偏转。这种现象在细长结构中尤其重要，因为随着高度和细长比的增加，屈曲的风险也会增加。为了说明这个概念，可以考虑一根支撑屋顶的高细柱。当柱上的载荷增加时，会有一个点，压缩应力超过了屈曲极限。在这一阶段，柱子不会继续以直立的方式支撑载荷，而是可能向外弯曲，从而导致潜在的倒塌。工程师必须在设计阶段计算屈曲极限以防止这种失效。屈曲极限的计算涉及多个因素，包括材料特性、截面形状和结构构件的长度。例如，钢材具有高压缩强度，但其性能可能因形状不同而有所变化。一根宽扁的梁与一根狭窄的圆柱相比，其屈曲极限会更低，因为它们在承受载荷时应力分布的方式不同。此外，温度和湿度等环境因素也会影响屈曲极限。例如，在高温环境中，材料可能会变弱，从而降低其屈曲极限。工程师在设计将暴露于不同条件的结构时，必须考虑这些变量。理解屈曲极限不仅对新建筑物的重要性，还对现有结构的评估和维护至关重要。定期检查可以帮助识别潜在屈曲的迹象，从而及时进行加固或更换受损构件。这种主动的方法对于维护建筑物、桥梁和其他基础设施的完整性和安全性至关重要。总之，屈曲极限是结构工程中的一个基本概念，影响着结构的设计、安全性和使用寿命。通过全面理解和计算屈曲极限，工程师可以创造出更安全的建筑，能够承受其在整个生命周期中遇到的各种力量。最终，这一知识有助于我们建成环境的整体韧性，确保结构在公众使用时保持安全，并能够经受时间的考验。