simply supported beam

简明释义

简支梁

英英释义

例句

1.When analyzing the load distribution, we found that the simply supported beam 简支梁 had the least deflection.

在分析载荷分布时，我们发现简支梁 simply supported beam 的挠度最小。

2.The design of the bridge included a series of simply supported beams 简支梁 to minimize material costs.

这座桥的设计包括一系列的简支梁 simply supported beams，以降低材料成本。

3.The architect specified simply supported beams 简支梁 for the roof to allow for easy installation.

建筑师指定使用简支梁 simply supported beams 作为屋顶，以便于安装。

4.In our structural engineering course, we learned how to calculate the reactions at the supports of a simply supported beam 简支梁.

在我们的结构工程课程中，我们学习了如何计算简支梁 simply supported beam 支座的反应力。

5.For this project, we will use simply supported beams 简支梁 made of reinforced concrete.

在这个项目中，我们将使用由钢筋混凝土制成的简支梁 simply supported beams。

作文

In the field of structural engineering, one of the fundamental concepts is that of a simply supported beam. A simply supported beam is defined as a type of beam that is supported at both ends, allowing it to freely rotate and deflect under load. This simple support condition makes it an essential element in many construction projects. Understanding the behavior of a simply supported beam is crucial for engineers when designing structures such as bridges, buildings, and other frameworks. The mechanics of a simply supported beam can be analyzed using various methods, including static equilibrium equations and bending theory. When a load is applied to the beam, it experiences bending moments and shear forces. The maximum deflection and stress can be calculated using established formulas, which help engineers ensure that the beam will perform safely under expected loads. For instance, one common formula used to calculate the maximum deflection of a simply supported beam under a uniform load is given by the equation: \[ \delta_{max} = \frac{5 w L^4}{384 E I} \] where \( \delta_{max} \) is the maximum deflection, \( w \) is the uniform load per unit length, \( L \) is the length of the beam, \( E \) is the modulus of elasticity of the material, and \( I \) is the moment of inertia of the beam's cross-section. One of the key advantages of using a simply supported beam in design is its simplicity, both in terms of analysis and construction. Since the supports do not restrain the beam's rotation, it can easily adapt to various loading conditions without inducing complex internal stresses. This characteristic allows for more straightforward calculations and designs, making it a favorable choice for many applications. However, while a simply supported beam has its benefits, it also has limitations. For instance, its inability to resist lateral-torsional buckling makes it unsuitable for long spans without additional bracing or support. Additionally, the maximum bending moment occurs at the center of the beam, which may lead to failure if the beam is not adequately sized or made from suitable materials. In real-world applications, simply supported beams are often used in conjunction with other structural elements to create a stable and efficient framework. For example, in bridge construction, multiple simply supported beams can be used together to distribute loads effectively across the span, enhancing the overall strength and stability of the structure. To summarize, the concept of a simply supported beam is a cornerstone in structural engineering. Its straightforward nature allows engineers to design and analyze structures efficiently. By understanding the behavior of a simply supported beam, engineers can ensure the safety and reliability of various constructions. As we continue to innovate in the field of engineering, the principles surrounding simply supported beams will remain integral to creating safe and effective structures that stand the test of time.

在结构工程领域，简支梁是一个基本概念。简支梁被定义为一种两端支撑的梁，允许其在载荷作用下自由旋转和挠曲。这种简单的支撑条件使其成为许多建设项目的重要组成部分。理解简支梁的行为对于工程师在设计桥梁、建筑物和其他框架时至关重要。简支梁的力学分析可以通过静力平衡方程和弯曲理论等多种方法进行。当载荷施加到梁上时，它会经历弯矩和剪力。可以使用已建立的公式计算最大挠度和应力，这帮助工程师确保梁在预期载荷下安全工作。例如，用于计算均匀载荷下简支梁最大挠度的常用公式为：\[ \delta_{max} = \frac{5 w L^4}{384 E I} \]其中，\( \delta_{max} \) 是最大挠度，\( w \) 是单位长度的均匀载荷，\( L \) 是梁的长度，\( E \) 是材料的弹性模量，\( I \) 是梁截面的惯性矩。使用简支梁设计的一个主要优点是其简单性，无论是在分析还是施工方面。由于支撑不限制梁的旋转，因此它可以轻松适应各种载荷条件，而不会引起复杂的内部应力。这一特性使得计算和设计更加简单，使其成为许多应用中的理想选择。然而，虽然简支梁有其优点，但也有局限性。例如，其无法抵抗侧向扭转屈曲，使其在没有额外支撑或支撑的情况下不适合长跨距。此外，最大弯矩发生在梁的中心，如果梁没有适当的尺寸或由合适的材料制成，可能会导致失效。在实际应用中，简支梁通常与其他结构元素结合使用，以创建稳定和高效的框架。例如，在桥梁建设中，可以将多个简支梁结合在一起，有效分配跨距上的载荷，从而增强整体结构的强度和稳定性。总之，简支梁的概念是结构工程的基石。其直接的性质使工程师能够高效地设计和分析结构。通过理解简支梁的行为，工程师可以确保各种建筑物的安全性和可靠性。随着我们在工程领域的不断创新，围绕简支梁的原则将继续对创建经得起时间考验的安全有效的结构至关重要。