shear buckling

简明释义

剪切屈曲

英英释义

例句

1.The research paper focused on the effects of shear buckling 剪切屈曲 on thin-walled steel sections.

这篇研究论文集中探讨了剪切屈曲 shear buckling 对薄壁钢构件的影响。

2.The architect had to consider shear buckling 剪切屈曲 when designing the roof structure.

建筑师在设计屋顶结构时必须考虑到剪切屈曲 shear buckling。

3.The engineer explained that the design must account for shear buckling 剪切屈曲 in order to ensure stability under load.

工程师解释说，设计必须考虑到剪切屈曲 shear buckling，以确保在载荷下的稳定性。

4.In tall structures, shear buckling 剪切屈曲 can lead to catastrophic failures if not properly addressed.

在高层建筑中，如果不加以妥善处理，剪切屈曲 shear buckling 可能导致灾难性的失败。

5.To prevent shear buckling 剪切屈曲, additional bracing was added to the framework.

为了防止剪切屈曲 shear buckling，在框架中增加了额外的支撑。

作文

In the field of structural engineering, understanding various failure mechanisms is crucial for designing safe and efficient structures. One such phenomenon is shear buckling, which refers to the sudden failure of a structural element due to shear forces. This type of buckling typically occurs in slender members, such as beams or plates, when they are subjected to lateral loads. The importance of recognizing shear buckling lies in its potential to compromise the integrity of a structure, leading to catastrophic consequences if not properly addressed.When a structural member is loaded, it experiences various stresses, including axial, bending, and shear stresses. While engineers often focus on axial and bending failures, shear buckling can occur under specific conditions that may not be immediately apparent. For example, in thin-walled structures, the material may not have sufficient thickness to resist shear forces effectively. As a result, when the applied shear load exceeds a critical threshold, the member can buckle, leading to a sudden and unexpected failure.To illustrate this concept, consider a steel plate subjected to shear forces. If the plate is thin, it may deform laterally instead of carrying the load as intended. This lateral deformation is what we refer to as shear buckling. Engineers must calculate the critical shear load at which this buckling occurs to ensure that the design can withstand expected loads without failure. Various factors influence this critical load, including the material properties, geometry of the member, and boundary conditions.Preventing shear buckling involves several strategies. One common approach is to increase the thickness of the structural member, thereby enhancing its resistance to shear forces. Additionally, engineers may employ stiffeners or reinforcement techniques to improve the overall stability of the structure. These modifications help distribute shear loads more evenly and minimize the risk of buckling.It is also essential to consider the effects of imperfections in the material or construction process, as these can significantly impact the performance of a structural member. For instance, welds or joints may introduce weaknesses that predispose the structure to shear buckling. Therefore, thorough inspections and quality control measures are vital in ensuring that the final construction adheres to design specifications.In summary, shear buckling is a critical consideration in structural design, particularly for slender members subjected to shear loads. By understanding the mechanisms behind this phenomenon and implementing appropriate design strategies, engineers can enhance the safety and reliability of structures. Continued research and advancements in materials science will further aid in mitigating the risks associated with shear buckling, paving the way for more innovative and resilient engineering solutions.

在结构工程领域，理解各种失效机制对于设计安全有效的结构至关重要。其中一种现象是剪切屈曲，指的是由于剪切力导致的结构元件的突然失效。这种类型的屈曲通常发生在细长构件上，例如梁或板，当它们受到侧向荷载时。认识到剪切屈曲的重要性在于其可能会危及结构的完整性，如果不加以妥善处理，可能导致灾难性的后果。当结构构件受荷载时，会经历各种应力，包括轴向、弯曲和剪切应力。虽然工程师通常关注轴向和弯曲失效，但在特定条件下，剪切屈曲也可能发生，这可能并不立即显现。例如，在薄壁结构中，材料可能没有足够的厚度来有效抵抗剪切力。因此，当施加的剪切荷载超过临界阈值时，构件可能会屈曲，导致突然和意外的失效。为了说明这一概念，考虑一个受剪切力作用的钢板。如果板材较薄，它可能会横向变形，而不是按预期承载荷载。这种横向变形就是我们所说的剪切屈曲。工程师必须计算出这种屈曲发生时的临界剪切荷载，以确保设计能够承受预期的荷载而不会失效。影响这个临界荷载的因素包括材料特性、构件几何形状和边界条件。防止剪切屈曲涉及几种策略。一种常见的方法是增加结构构件的厚度，从而增强其抵抗剪切力的能力。此外，工程师还可以采用加劲肋或加固技术来改善结构的整体稳定性。这些修改有助于更均匀地分配剪切荷载，最小化屈曲的风险。还必须考虑材料或施工过程中的缺陷，因为这些缺陷可能会显著影响结构构件的性能。例如，焊接或接头可能引入弱点，使结构容易发生剪切屈曲。因此，彻底的检查和质量控制措施对于确保最终施工符合设计规范至关重要。总之，剪切屈曲是结构设计中的一个关键考虑，特别是对于受到剪切荷载的细长构件。通过理解这一现象背后的机制并实施适当的设计策略，工程师可以增强结构的安全性和可靠性。材料科学的持续研究和进展将进一步帮助减轻与剪切屈曲相关的风险，为更具创新性和韧性的工程解决方案铺平道路。