local buckling

简明释义

局部皱折

英英释义

例句

1.The research focused on the effects of local buckling 局部屈曲 in steel structures subjected to seismic loads.

研究集中在受地震荷载作用下钢结构中的局部屈曲效应。

2.The engineer warned that the thin-walled column was susceptible to local buckling 局部屈曲 under high loads.

工程师警告说，薄壁柱在高负载下易发生局部屈曲。

3.During the analysis, we found that local buckling 局部屈曲 could occur at the mid-span of the plate.

在分析过程中，我们发现板的中跨处可能发生局部屈曲。

4.To prevent local buckling 局部屈曲, the design included additional stiffeners on the beam.

为了防止局部屈曲，设计在梁上增加了额外的加劲肋。

5.To ensure stability, the team had to account for local buckling 局部屈曲 in their calculations.

为了确保稳定性，团队在计算中必须考虑局部屈曲。

作文

Understanding the concept of local buckling is crucial for engineers and architects when designing structural elements. Local buckling refers to the phenomenon where a portion of a structural member deforms or buckles while the rest remains stable. This typically occurs in slender elements such as beams, columns, and plates under compressive loads. The implications of local buckling can significantly affect the overall stability and strength of a structure, making it essential to address this issue during the design phase.When a structural member is subjected to compression, it is expected to carry the load without any deformation. However, if the member is too slender relative to its height or width, certain sections may yield before the entire member fails. This is particularly common in thin-walled structures, where the walls can buckle locally due to the applied stress. Engineers must account for these local effects to ensure that the structure can withstand the expected loads.The critical load at which local buckling occurs can be determined through various methods, including analytical solutions and numerical simulations. By understanding the geometry and material properties of the structural element, engineers can predict when and where local buckling might take place. This knowledge allows them to design reinforcements or select appropriate materials that enhance the overall stability of the structure.In many cases, the consequences of ignoring local buckling can be severe. For instance, if a bridge's girders are not adequately designed to prevent local buckling, they may fail under heavy traffic loads, leading to catastrophic results. Similarly, in high-rise buildings, columns that experience local buckling can compromise the integrity of the entire structure, posing risks to occupants and surrounding areas.To mitigate the risks associated with local buckling, engineers often employ several strategies. One common approach is to increase the thickness of the structural elements, thereby enhancing their resistance to buckling. Additionally, incorporating stiffeners or using composite materials can help distribute loads more evenly and reduce the likelihood of local buckling.Furthermore, modern design codes provide guidelines and formulas for assessing the potential for local buckling in various types of structures. These codes are based on extensive research and testing, providing engineers with reliable tools to ensure safety and performance. By adhering to these standards, professionals can create structures that not only meet aesthetic demands but also withstand the forces of nature and human activity.In conclusion, local buckling is a vital consideration in structural engineering that cannot be overlooked. Understanding its mechanisms and implications allows engineers to design safer and more efficient structures. As technology advances and new materials emerge, the strategies to combat local buckling will continue to evolve, ensuring that our built environment remains resilient and secure for future generations.

理解局部屈曲的概念对于工程师和建筑师在设计结构元素时至关重要。局部屈曲是指结构构件的一部分在变形或屈曲的同时，其余部分保持稳定的现象。这通常发生在细长的元素中，例如受压的梁、柱和板。局部屈曲的影响可能显著影响结构的整体稳定性和强度，因此在设计阶段必须解决这个问题。当结构构件受到压缩时，预期它能够承载负载而不发生任何变形。然而，如果构件相对于其高度或宽度过于细长，则某些部分可能会在整个构件失效之前先发生屈曲。这在薄壁结构中特别常见，因为墙体在施加的应力下可能会局部屈曲。工程师必须考虑这些局部效应，以确保结构能够承受预期的负载。发生局部屈曲的临界负载可以通过各种方法确定，包括分析解和数值模拟。通过了解结构元素的几何形状和材料特性，工程师可以预测何时何地可能发生局部屈曲。这一知识使他们能够设计加固措施或选择适当的材料，从而增强结构的整体稳定性。在许多情况下，忽视局部屈曲的后果可能是严重的。例如，如果一座桥的主梁没有得到充分设计以防止局部屈曲，那么在重型交通负载下，它们可能会失效，导致灾难性的结果。同样，在高层建筑中，经历局部屈曲的柱子可能会危及整个结构的完整性，给居住者和周围区域带来风险。为了减轻与局部屈曲相关的风险，工程师通常采用几种策略。一种常见的方法是增加结构元素的厚度，从而增强其抵抗屈曲的能力。此外，加入加劲肋或使用复合材料可以帮助更均匀地分配负载，减少局部屈曲的可能性。此外，现代设计规范提供了评估各种类型结构中局部屈曲潜力的指南和公式。这些规范基于广泛的研究和测试，为工程师提供了可靠的工具，以确保安全性和性能。通过遵循这些标准，专业人士可以创建不仅满足美学要求而且能够承受自然和人为活动力量的结构。总之，局部屈曲是结构工程中一个不可忽视的重要考虑因素。理解其机制和影响使工程师能够设计出更安全、更高效的结构。随着技术的进步和新材料的出现，抵御局部屈曲的策略将继续发展，确保我们建造的环境在未来几代人中保持韧性和安全。