influence line

简明释义

影响线

英英释义

例句

1.The team plotted the influence line to visualize the impact of various loading scenarios.

团队绘制了影响线以可视化各种荷载情景的影响。

2.The engineer used the influence line to determine the effect of moving loads on the bridge.

工程师使用影响线来确定移动荷载对桥梁的影响。

3.In structural analysis, the influence line is essential for load placement decisions.

在结构分析中，影响线对于荷载放置决策至关重要。

4.By analyzing the influence line, we can predict how different loads will affect the structure.

通过分析影响线，我们可以预测不同荷载将如何影响结构。

5.The influence line helps in understanding the distribution of forces within the beam.

通过影响线可以帮助理解梁内力的分布。

作文

In the field of structural engineering, the concept of an influence line plays a crucial role in analyzing how different loads affect a structure. An influence line is a graphical representation that shows the variation of a particular response function, such as shear force or bending moment, at a specific point in a structure as a moving load travels across it. Understanding this concept is essential for engineers when designing safe and efficient structures, such as bridges and buildings.The importance of the influence line can be illustrated through its application in bridge design. When engineers design a bridge, they must consider various types of vehicles that will travel over it, each with different weights and configurations. By using influence lines, engineers can determine the maximum forces that will occur at different points on the bridge as these vehicles pass. This analysis helps ensure that the bridge can safely support the loads without experiencing excessive stress or deformation.To construct an influence line, engineers typically begin by selecting a point of interest on the structure, such as a support or a critical section. They then analyze how the response at that point changes as a concentrated load moves along the length of the structure. The resulting graph provides valuable insights into the behavior of the structure under varying load conditions.One of the key benefits of using influence lines is that they allow for a simplified analysis of complex loading scenarios. Instead of calculating the effects of every possible load configuration individually, engineers can use the influence line to quickly assess the impact of moving loads. This efficiency is particularly beneficial in the design phase, where multiple iterations may be necessary to optimize the structure.Moreover, influence lines are not limited to bridges; they can also be applied to other structural elements, such as beams and frames. For instance, when analyzing a simply supported beam, the influence line can help engineers understand how the bending moment varies as a point load moves across the beam. This information is vital for ensuring that the beam is adequately designed to withstand the expected loads throughout its lifespan.In conclusion, the concept of an influence line is fundamental to the field of structural engineering. It provides a powerful tool for analyzing how loads affect structures and assists engineers in making informed design decisions. By leveraging the insights gained from influence lines, engineers can create safer, more reliable structures that meet the demands of modern society. As the field of engineering continues to evolve, the application of influence lines will remain an essential practice for ensuring the integrity and longevity of our built environment.

在结构工程领域，影响线的概念在分析不同载荷如何影响结构方面发挥着至关重要的作用。影响线是一个图形表示，显示了当一个移动载荷在结构上移动时，特定点的响应函数（如剪力或弯矩）的变化。理解这一概念对于工程师在设计安全高效的结构（如桥梁和建筑物）时至关重要。影响线的重要性可以通过其在桥梁设计中的应用来说明。当工程师设计一座桥时，他们必须考虑将要经过的各种类型的车辆，每种车辆的重量和配置各不相同。通过使用影响线，工程师可以确定当这些车辆通过时，桥上不同点的最大力。这种分析有助于确保桥梁能够安全支撑载荷，而不会经历过大的应力或变形。为了构建影响线，工程师通常首先选择结构上的一个感兴趣点，例如支撑点或关键截面。然后，他们分析当一个集中载荷沿着结构移动时，该点的响应如何变化。得到的图形提供了关于结构在不同载荷条件下行为的宝贵见解。使用影响线的一个主要好处是，它们可以简化复杂载荷场景的分析。工程师无需单独计算每种可能的载荷配置的影响，而可以利用影响线快速评估移动载荷的影响。这种效率在设计阶段尤其有益，因为可能需要多次迭代以优化结构。此外，影响线并不限于桥梁；它们也可以应用于其他结构元素，如梁和框架。例如，在分析一个简支梁时，影响线可以帮助工程师理解当一个点载荷在梁上移动时，弯矩如何变化。这些信息对于确保梁能够承受预期载荷并保持其使用寿命至关重要。总之，影响线的概念是结构工程领域的基础。它为分析载荷如何影响结构提供了强大的工具，并帮助工程师做出明智的设计决策。通过利用从影响线中获得的见解，工程师可以创建更安全、更可靠的结构，以满足现代社会的需求。随着工程领域的不断发展，影响线的应用将继续成为确保我们建筑环境的完整性和持久性的基本实践。