freely-supported beam

简明释义

简支梁

英英释义

例句

1.A common application of a freely-supported beam is in bridges where spans need to be maximized.

自由支撑梁 的一个常见应用是在桥梁中，跨度需要最大化。

2.In structural engineering, a freely-supported beam is essential for understanding load distribution.

在结构工程中，自由支撑梁 对于理解荷载分布至关重要。

3.The freely-supported beam can carry loads without fixed constraints at its ends.

自由支撑梁 可以在没有固定约束的情况下承载荷载。

4.The design of a freely-supported beam allows for greater flexibility in architectural layouts.

设计一个 自由支撑梁 使建筑布局更加灵活。

5.When calculating deflection, engineers must consider the characteristics of a freely-supported beam.

在计算挠度时，工程师必须考虑 自由支撑梁 的特性。

作文

In the field of structural engineering, understanding the behavior of various types of beams is crucial for designing safe and efficient structures. One of the most fundamental types of beams is the freely-supported beam, which is a beam that is supported at its ends but is not fixed in place. This means that it can freely rotate at the supports, allowing for the bending and deflection that occurs under load. The concept of a freely-supported beam (自由支撑梁) is essential when analyzing how loads are distributed across a structure. When engineers design a structure, they must consider the types of loads that will be applied to it, including dead loads, live loads, and environmental loads such as wind or seismic activity. A freely-supported beam typically experiences bending moments and shear forces, which can be calculated using various methods such as the Euler-Bernoulli beam theory. This theory helps engineers predict how the beam will behave under different loading conditions. The simplicity of a freely-supported beam makes it an ideal model for learning about structural analysis. By assuming that the beam is simply supported, engineers can use straightforward equations to determine the reactions at the supports, the maximum bending moment, and the deflection of the beam. This knowledge is critical in ensuring that the beam can safely carry the intended loads without failing. One common application of freely-supported beams is in bridges, where the spans between piers can be designed as simply supported beams. This allows for efficient construction and material use, as well as easier maintenance. Additionally, understanding the behavior of freely-supported beams is important when designing frames for buildings, where multiple beams may interact with one another. In practical applications, engineers often use software tools to model the behavior of freely-supported beams under various loading scenarios. These tools allow for more complex analyses that take into account factors such as material properties, temperature changes, and long-term loading effects. However, the fundamental principles remain rooted in the basic understanding of freely-supported beams. In conclusion, the study of freely-supported beams is a cornerstone of structural engineering. It provides a framework for understanding how loads affect structures and guides engineers in their design processes. By mastering the concepts associated with freely-supported beams (自由支撑梁), engineers can ensure that their designs are both safe and efficient, ultimately contributing to the longevity and stability of the structures we rely on every day.

在结构工程领域，理解各种类型梁的行为对于设计安全和高效的结构至关重要。其中最基本的梁之一是自由支撑梁，它是一种在两端支撑但不固定的梁。这意味着它可以在支撑处自由旋转，从而允许在载荷作用下发生弯曲和挠曲。自由支撑梁（freely-supported beam）的概念在分析载荷如何分布在结构上时是必不可少的。当工程师设计结构时，必须考虑将施加于其上的各种类型载荷，包括恒载、活载以及风或地震等环境载荷。自由支撑梁通常会经历弯矩和剪力，这可以通过各种方法进行计算，例如欧拉-伯努利梁理论。该理论帮助工程师预测梁在不同加载条件下的行为。自由支撑梁的简单性使其成为学习结构分析的理想模型。通过假设梁是简单支撑的，工程师可以使用简单的方程来确定支撑处的反应、最大弯矩和梁的挠度。这些知识对于确保梁能够安全承载预定载荷而不发生失效至关重要。自由支撑梁的一个常见应用是在桥梁中，其中支座之间的跨度可以设计为简单支撑梁。这允许高效的施工和材料使用，以及更容易的维护。此外，理解自由支撑梁的行为对于设计建筑框架也很重要，多个梁可能会相互作用。在实际应用中，工程师通常使用软件工具来模拟自由支撑梁在各种加载场景下的行为。这些工具允许进行更复杂的分析，考虑材料特性、温度变化和长期载荷效应等因素。然而，基本原理仍然根植于对自由支撑梁的基本理解。总之，自由支撑梁的研究是结构工程的基石。它提供了理解载荷如何影响结构的框架，并指导工程师的设计过程。通过掌握与自由支撑梁（freely-supported beam）相关的概念，工程师可以确保他们的设计既安全又高效，从而最终有助于我们每天依赖的结构的持久性和稳定性。