bending stress

简明释义

弯曲应力

英英释义

例句

1.Engineers must calculate the bending stress in materials to ensure safety and durability.

工程师必须计算材料中的弯曲应力以确保安全和耐用性。

2.The design of the floor joists must account for the bending stress caused by heavy furniture.

地板托梁的设计必须考虑到重家具造成的弯曲应力。

3.Excessive bending stress can lead to structural failure in bridges.

过度的弯曲应力可能导致桥梁的结构失效。

4.The beam experienced significant bending stress due to the weight of the structure above.

由于上方结构的重量，这根梁经历了显著的弯曲应力。

5.To prevent bending stress, the engineers reinforced the columns with additional supports.

为了防止弯曲应力，工程师用额外的支撑加固了柱子。

作文

Bending stress is a critical concept in the field of engineering and materials science. It refers to the internal stress that develops in a material when it is subjected to bending forces. When an external load is applied to a beam or any structural element, it causes the material to bend, leading to tension on one side and compression on the other. This phenomenon is essential to understand for designing safe and effective structures. For instance, consider a simple beam supported at both ends with a load applied in the middle. As the load presses down, the top part of the beam experiences compression, while the bottom part experiences tension. The point where the material transitions from compression to tension is known as the neutral axis, and this is where the maximum bending stress (弯曲应力) occurs. Engineers must calculate this bending stress (弯曲应力) to ensure that the beam can withstand the applied loads without failing. The formula used to calculate bending stress (弯曲应力) is given by: σ = My/I Where σ is the bending stress, M is the moment about the neutral axis, y is the distance from the neutral axis to the outermost fiber, and I is the moment of inertia of the beam's cross-section. This equation highlights how the geometry of the beam and the location of the load play significant roles in determining the bending stress (弯曲应力) experienced by the material. Understanding bending stress (弯曲应力) is not only important for static loads but also for dynamic loads that structures may face during their lifespan. For example, bridges must be designed to handle not just the weight of vehicles but also the forces exerted by wind, earthquakes, and other environmental factors. Engineers use advanced materials and design techniques to minimize the effects of bending stress (弯曲应力), ensuring the safety and longevity of structures. Moreover, the concept of bending stress (弯曲应力) extends beyond traditional materials like steel and concrete. With the advent of composite materials and innovative construction methods, understanding how these materials respond to bending forces is vital. For instance, carbon fiber and fiberglass exhibit different properties under bending stress (弯曲应力), which means engineers must adapt their calculations and designs accordingly. In conclusion, bending stress (弯曲应力) is a fundamental aspect of structural engineering that influences the design and safety of various constructions. By accurately calculating and understanding this internal stress, engineers can create safer, more efficient structures that meet the demands of modern society. As we continue to innovate and explore new materials and designs, the principles surrounding bending stress (弯曲应力) will remain a cornerstone of engineering education and practice.

弯曲应力是工程和材料科学领域的一个关键概念。它指的是当材料受到弯曲力时，在材料内部产生的应力。当外部载荷施加到梁或任何结构元件上时，会导致材料弯曲，从而在一侧产生拉伸，在另一侧产生压缩。这种现象对于设计安全有效的结构至关重要。例如，考虑一个简单的两端支撑的梁，中间施加了一个载荷。当载荷向下施加时，梁的顶部经历压缩，而底部则经历拉伸。材料从压缩过渡到拉伸的点被称为中性轴，在这里会发生最大弯曲应力。工程师必须计算这种弯曲应力，以确保梁能够承受施加的载荷而不会失效。计算弯曲应力的公式为：σ = My/I其中σ是弯曲应力，M是关于中性轴的力矩，y是从中性轴到最外层纤维的距离，I是梁截面的惯性矩。这个方程突出了梁的几何形状和载荷位置在确定材料所经历的弯曲应力方面的重要作用。理解弯曲应力不仅对静态载荷重要，而且对结构在其生命周期内可能面临的动态载荷也很重要。例如，桥梁必须设计成不仅能承受车辆的重量，还能承受风、地震和其他环境因素施加的力量。工程师使用先进的材料和设计技术来最小化弯曲应力的影响，以确保结构的安全性和耐久性。此外，弯曲应力的概念不仅限于传统材料如钢和混凝土。随着复合材料和创新建筑方法的出现，了解这些材料在弯曲力下的反应至关重要。例如，碳纤维和玻璃纤维在弯曲应力下表现出不同的特性，这意味着工程师必须相应地调整他们的计算和设计。总之，弯曲应力是结构工程的基本方面，影响着各种建筑的设计和安全。通过准确计算和理解这种内部应力，工程师可以创建更安全、更高效的结构，以满足现代社会的需求。随着我们继续创新和探索新材料和设计，围绕弯曲应力的原则将始终是工程教育和实践的基石。