section modulus

简明释义

剖面模数;剖面系数

英英释义

例句

1.The architect specified a higher section modulus for the columns to support the additional weight.

建筑师指定了更高的截面模量以支撑额外的重量。

2.Increasing the section modulus can help improve the structural integrity of the design.

增加截面模量可以帮助提高设计的结构完整性。

3.The engineer calculated the section modulus to determine the strength of the beam under load.

工程师计算了截面模量以确定梁在载荷下的强度。

4.Understanding the section modulus helps in choosing the right materials for construction.

理解截面模量有助于选择合适的建筑材料。

5.When designing a bridge, the section modulus is crucial for ensuring safety and stability.

在设计桥梁时，截面模量对确保安全和稳定至关重要。

作文

The concept of section modulus is crucial in the field of structural engineering and design. It helps engineers determine the strength and stability of various structural elements under different loading conditions. The section modulus is defined as a geometric property that describes the distribution of material in a cross-section of a structural member, such as a beam or a column. It is calculated by dividing the moment of inertia of the section by the distance from the neutral axis to the outermost fiber. This property is essential for ensuring that structures can withstand the forces they encounter during their lifespan.Understanding the section modulus allows engineers to optimize the design of structures. For instance, when designing a beam, an engineer must consider how much load it will bear and the material from which it is made. By calculating the section modulus, the engineer can select a beam that not only meets the required load-bearing capacity but also minimizes material usage, thus reducing costs.In practical applications, the section modulus plays a significant role in determining the safety and efficiency of buildings and bridges. For example, if a bridge is designed with insufficient section modulus, it may not be able to support the weight of vehicles traveling over it, leading to potential structural failure. Therefore, engineers must ensure that all structural components have adequate section modulus to handle expected loads.Moreover, the section modulus varies depending on the shape of the cross-section. Common shapes include rectangular, circular, and I-shaped beams. Each shape has its own formula for calculating the section modulus. Engineers often use standardized tables and software to quickly find the section modulus for various materials and shapes, making the design process more efficient.In addition to its importance in design, the section modulus is also vital in assessing existing structures. When evaluating an older building or bridge, engineers will measure the section modulus of its components to determine if they still meet current safety standards. If the section modulus is found to be inadequate, retrofitting or reinforcing the structure may be necessary to ensure its continued safety and functionality.In conclusion, the section modulus is a fundamental concept in structural engineering that influences the design, safety, and evaluation of various structures. By understanding and applying this property, engineers can create safe, efficient, and cost-effective designs. As technology advances, the methods for calculating and applying the section modulus will continue to evolve, further enhancing the capabilities of engineers in the field. Thus, mastering the concept of section modulus is essential for anyone pursuing a career in structural engineering.

“截面模量”是结构工程和设计领域中一个至关重要的概念。它帮助工程师确定各种结构元素在不同载荷条件下的强度和稳定性。“截面模量”被定义为描述结构构件（如梁或柱）横截面材料分布的几何性质。它通过将截面的惯性矩除以从中性轴到最外层纤维的距离来计算。这个特性对于确保结构能够承受其使用寿命内所遇到的力至关重要。理解“截面模量”使工程师能够优化结构设计。例如，在设计梁时，工程师必须考虑它将承受多少载荷以及它的材料。通过计算“截面模量”，工程师可以选择一个不仅满足所需承载能力而且最小化材料使用的梁，从而降低成本。在实际应用中，“截面模量”在确定建筑物和桥梁的安全性和效率方面发挥着重要作用。例如，如果一座桥梁的设计中“截面模量”不足，它可能无法支撑经过的车辆的重量，导致潜在的结构失效。因此，工程师必须确保所有结构组件具有足够的“截面模量”以应对预期载荷。此外，“截面模量”根据横截面的形状而有所不同。常见的形状包括矩形、圆形和I型梁。每种形状都有其自己的“截面模量”计算公式。工程师通常使用标准化表格和软件快速找到各种材料和形状的“截面模量”，从而使设计过程更加高效。除了在设计中的重要性外，“截面模量”在评估现有结构时也至关重要。在评估一座旧建筑或桥梁时，工程师会测量其组件的“截面模量”，以确定它们是否仍然符合当前的安全标准。如果发现“截面模量”不足，可能需要对结构进行加固或改造，以确保其继续安全和功能。总之，“截面模量”是结构工程中的一个基本概念，影响着各种结构的设计、安全性和评估。通过理解和应用这一特性，工程师可以创造安全、高效且具有成本效益的设计。随着技术的进步，计算和应用“截面模量”的方法将继续发展，进一步增强工程师在该领域的能力。因此，掌握“截面模量”的概念对于任何追求结构工程职业的人来说都是必不可少的。