buckling strength

简明释义

纵向弯曲强度

英英释义

例句

1.In structural design, understanding the buckling strength 屈曲强度 is crucial for stability.

在结构设计中，理解buckling strength 屈曲强度 对于稳定性至关重要。

2.The buckling strength 屈曲强度 of thin-walled sections is often lower than that of thicker sections.

薄壁截面的buckling strength 屈曲强度 通常低于厚截面。

3.The design specifications included a detailed analysis of the buckling strength 屈曲强度 of the beams.

设计规范包括对梁的buckling strength 屈曲强度 的详细分析。

4.To prevent failure, the buckling strength 屈曲强度 must exceed the maximum expected load.

为了防止失效，buckling strength 屈曲强度 必须超过最大预期负载。

5.The engineer calculated the buckling strength 屈曲强度 of the column to ensure it could support the load.

工程师计算了这根柱子的buckling strength 屈曲强度，以确保它能够支撑负载。

作文

The concept of buckling strength is critical in the field of engineering, particularly when it comes to the design and analysis of structures. Buckling strength refers to the maximum load a structural element can support before it undergoes buckling, which is a sudden failure mode characterized by a lateral deflection. This phenomenon is especially important for slender structures such as columns and beams, where the risk of buckling increases with height and slenderness ratio.Understanding buckling strength involves grasping the principles of stability and material mechanics. When a load is applied to a column, it may initially bear the weight without any issues. However, as the load increases, there comes a point where the column can no longer maintain its straight form, leading to a failure known as buckling. The critical load at which this occurs is determined by several factors, including the material properties, geometric dimensions, and boundary conditions of the column.In practical applications, engineers must calculate the buckling strength of various structural elements to ensure safety and reliability. For instance, in high-rise buildings, the columns must be designed to withstand not only vertical loads but also lateral forces caused by wind or seismic activity. By understanding the buckling strength of these columns, engineers can make informed decisions about materials, dimensions, and reinforcement techniques.The calculations for buckling strength often employ Euler's formula, which provides a theoretical basis for predicting the critical load for long, slender columns. According to this formula, the critical load (P_cr) can be expressed as P_cr = π²EI/(L²), where E is the modulus of elasticity, I is the moment of inertia, and L is the effective length of the column. This equation highlights the importance of both material properties and geometric factors in determining buckling strength.Moreover, real-world applications require engineers to consider additional factors such as imperfections in the material and variations in loading conditions. These factors can significantly reduce the buckling strength beyond what is predicted by theoretical models. Therefore, safety factors are often applied to account for these uncertainties, ensuring that structures can withstand unexpected loads without collapsing.In conclusion, buckling strength is a fundamental concept in structural engineering that ensures the safety and integrity of buildings and other structures. By understanding how to calculate and apply this concept, engineers can design safer, more efficient structures that can withstand various forces throughout their lifespan. As our understanding of materials and construction techniques continues to evolve, so too will our ability to enhance the buckling strength of structural elements, ultimately leading to safer and more resilient infrastructure for future generations.

“屈曲强度”这一概念在工程领域中至关重要，特别是在结构设计和分析方面。“屈曲强度”是指结构构件在发生屈曲之前能够承受的最大负载，这是一个突发的失效模式，其特征是横向偏转。这一现象对于柱子和梁等细长结构尤为重要，因为随着高度和细长比的增加，屈曲的风险也随之增加。理解“屈曲强度”需要掌握稳定性和材料力学的原理。当负载施加到柱子上时，它最初可能会毫无问题地承受重量。然而，随着负载的增加，会出现一个临界点，此时柱子无法再保持其直线形状，从而导致屈曲。这种现象发生的临界负载由多个因素决定，包括材料特性、几何尺寸以及柱子的边界条件。在实际应用中，工程师必须计算各种结构构件的“屈曲强度”，以确保安全和可靠性。例如，在高层建筑中，柱子不仅必须设计成能够承受垂直负载，还要能抵抗风或地震活动引起的横向力。通过了解这些柱子的“屈曲强度”，工程师可以就材料、尺寸和加固技术做出明智的决策。“屈曲强度”的计算通常使用欧拉公式，该公式为预测细长柱子的临界负载提供了理论基础。根据该公式，临界负载（P_cr）可以表示为P_cr = π²EI/(L²)，其中E是弹性模量，I是惯性矩，L是柱子的有效长度。这个方程强调了材料特性和几何因素在确定“屈曲强度”中的重要性。此外，现实世界的应用要求工程师考虑诸如材料缺陷和负载条件变化等额外因素。这些因素可能显著降低“屈曲强度”，超出理论模型的预测。因此，通常会应用安全系数，以考虑这些不确定性，确保结构能够承受意外负载而不会倒塌。总之，“屈曲强度”是结构工程中的一个基本概念，它确保建筑物和其他结构的安全性和完整性。通过理解如何计算和应用这一概念，工程师可以设计出更安全、更高效的结构，能够在整个生命周期中承受各种力量。随着我们对材料和施工技术理解的不断发展，我们增强结构构件“屈曲强度”的能力也将不断提高，最终为未来几代人提供更安全、更具韧性的基础设施。