section modulus

简明释义

剖面模数

英英释义

例句

1.In bridge design, a higher section modulus can enhance safety and performance.

在桥梁设计中，更高的截面模量可以增强安全性和性能。

2.The section modulus is crucial for determining the strength of structural components.

对于确定结构组件的强度，截面模量是至关重要的。

3.The engineer calculated the section modulus to ensure the beam could support the load without failure.

工程师计算了截面模量以确保梁能够在不失效的情况下支撑负载。

4.Increasing the section modulus of a beam can improve its bending resistance.

增加梁的截面模量可以提高其抗弯能力。

5.To optimize the design, they adjusted the section modulus based on material properties.

为了优化设计，他们根据材料特性调整了截面模量。

作文

The concept of section modulus plays a crucial role in the field of structural engineering and design. It is a geometric property that reflects how well a particular cross-section can resist bending. Understanding section modulus is essential for engineers as it helps them determine the strength and stability of structural elements, such as beams and columns. The section modulus is defined as the ratio of the moment of inertia of the cross-section to the distance from the neutral axis to the outermost fiber. This property is particularly important when designing structures that must support loads without failing or deforming excessively.In practical terms, the section modulus indicates how much load a beam can carry before it begins to yield or fail. For example, when engineers are tasked with designing a bridge, they must consider the materials used and their respective section modulus values to ensure that the structure can withstand the forces applied to it. Different materials, such as steel and concrete, have varying section modulus values, which influence the overall design of the structure.One of the key aspects of the section modulus is its ability to help engineers optimize the material usage in their designs. By calculating the section modulus of various shapes—like I-beams, rectangular beams, or circular tubes—engineers can choose the most efficient cross-section that provides the necessary strength while minimizing material costs. This optimization not only leads to cost savings but also contributes to sustainability by reducing waste.Furthermore, the section modulus is particularly significant in ensuring safety. Structures must be designed with a margin of safety, meaning that the actual loads they experience should be well below the capacity indicated by the section modulus. This safety factor accounts for uncertainties in loading conditions, material properties, and potential flaws in construction. Engineers use the section modulus to ensure that their designs can handle unexpected loads, such as those caused by extreme weather events or accidental impacts.In conclusion, the section modulus is a fundamental concept in structural engineering that aids in the design and analysis of various structural components. Its importance cannot be overstated, as it not only influences the strength and stability of structures but also impacts material efficiency and safety. Engineers must have a thorough understanding of section modulus to create designs that are safe, economical, and capable of enduring the loads they will encounter throughout their lifespan. As the field of engineering continues to evolve, the principles surrounding section modulus will remain integral to the successful design of resilient structures.

“截面模量”这一概念在结构工程和设计领域中扮演着至关重要的角色。它是一种几何属性，反映了特定横截面抵抗弯曲的能力。理解“截面模量”对工程师来说至关重要，因为它帮助他们确定结构构件（如梁和柱）的强度和稳定性。“截面模量”的定义是横截面的惯性矩与从中性轴到最外层纤维的距离之比。这个属性在设计必须承受负荷而不发生失效或过度变形的结构时尤其重要。在实际应用中，“截面模量”指示了一根梁在开始屈服或失效之前可以承载多少负荷。例如，当工程师负责设计一座桥梁时，他们必须考虑所使用材料及其各自的“截面模量”值，以确保该结构能够承受施加于其上的力。不同材料（如钢和混凝土）具有不同的“截面模量”值，这会影响结构的整体设计。“截面模量”的一个关键方面是它能够帮助工程师优化设计中的材料使用。通过计算各种形状（如工字梁、矩形梁或圆管）的“截面模量”，工程师可以选择最有效的横截面，以提供必要的强度，同时最小化材料成本。这种优化不仅节省了成本，还通过减少浪费促进了可持续发展。此外，“截面模量”在确保安全方面也尤为重要。结构必须以安全裕度进行设计，这意味着它们所经历的实际负荷应远低于“截面模量”所指示的能力。这个安全系数考虑了加载条件、材料特性以及施工中的潜在缺陷的不确定性。工程师利用“截面模量”来确保他们的设计能够应对意外负荷，例如由极端天气事件或意外冲击造成的负荷。总之，“截面模量”是结构工程中的一个基本概念，帮助设计和分析各种结构组件。它的重要性不言而喻，因为它不仅影响结构的强度和稳定性，还影响材料的效率和安全性。工程师必须深入理解“截面模量”，以创建安全、经济且能够承受其整个生命周期中所遇到负荷的设计。随着工程领域的不断发展，围绕“截面模量”的原则将继续在韧性结构的成功设计中发挥重要作用。