simply supported span

简明释义

简支跨度

英英释义

例句

1.The bridge has a simply supported span that allows for easy maintenance and inspection.

这座桥有一个简支跨，便于维护和检查。

2.When modeling the beam, we assumed it had a simply supported span for our calculations.

在建模梁时，我们假设它有一个简支跨以进行计算。

3.In structural analysis, a simply supported span is often used to simplify calculations.

在结构分析中，简支跨常用于简化计算。

4.The load distribution on a simply supported span is crucial for ensuring structural integrity.

在简支跨上的荷载分布对确保结构完整性至关重要。

5.The architect designed the roof with a simply supported span to minimize material costs.

建筑师设计了一个简支跨的屋顶，以最小化材料成本。

作文

In the field of structural engineering, understanding the concept of a simply supported span is crucial for designing safe and efficient structures. A simply supported span refers to a beam or structural element that is supported at its ends, allowing it to freely deflect under load without any fixed constraints in the middle. This type of support is one of the most basic forms of structural support and is widely used in various applications such as bridges, buildings, and other frameworks. The design of a simply supported span involves several factors, including the material properties, load conditions, and the span length. When engineers design a structure with a simply supported span, they must consider how loads will be applied to the beam, whether from static sources like furniture or dynamic sources like vehicles. The ability of the beam to carry these loads without failing is critical to the overall safety of the structure.One of the primary advantages of using a simply supported span is its simplicity in analysis and design. Engineers can easily calculate the bending moments and shear forces acting on the beam using standard formulas. This allows for efficient use of materials and helps in reducing construction costs. Furthermore, the clear support conditions make it easier to predict how the beam will behave under different loading scenarios.However, there are limitations to the simply supported span. For instance, while it can effectively handle vertical loads, it may not perform well under lateral forces such as wind or seismic activity. In such cases, additional bracing or support might be necessary to ensure stability. Understanding these limitations is essential for engineers to avoid potential failures in their designs.In practical applications, simply supported spans are commonly found in bridges. Many pedestrian and vehicular bridges utilize this type of support due to its effectiveness in spanning short distances. For example, a simple bridge may consist of a single beam resting on two piers, creating a simply supported span that allows for safe passage over a river or valley. The ease of construction and straightforward maintenance further contribute to the popularity of this design.In conclusion, the concept of a simply supported span is fundamental in structural engineering. Its straightforward nature allows for efficient design and analysis, making it a preferred choice in many construction projects. However, engineers must remain vigilant about its limitations and ensure that proper measures are taken to address any potential weaknesses. By mastering the principles surrounding a simply supported span, engineers can create structures that are not only functional but also safe and reliable.

在结构工程领域，理解“简单支撑跨距”的概念对于设计安全和高效的结构至关重要。“简单支撑跨距”指的是一种在两端支撑的梁或结构元件，允许其在荷载下自由挠曲，而中间没有任何固定约束。这种支撑类型是结构支撑的最基本形式之一，广泛应用于桥梁、建筑物及其他框架结构中。 设计“简单支撑跨距”涉及多个因素，包括材料特性、荷载条件和跨度长度。当工程师设计具有“简单支撑跨距”的结构时，必须考虑荷载如何施加到梁上，无论是来自静态源（如家具）还是动态源（如车辆）。梁在不失效的情况下承载这些荷载的能力对结构的整体安全至关重要。使用“简单支撑跨距”的主要优点之一是其分析和设计的简单性。工程师可以轻松地使用标准公式计算作用在梁上的弯矩和剪力。这有助于有效利用材料，并降低施工成本。此外，明确的支撑条件使得预测梁在不同荷载情境下的行为变得更加容易。然而，“简单支撑跨距”也存在局限性。例如，虽然它能够有效处理垂直荷载，但在风力或地震等侧向力作用下可能表现不佳。在这种情况下，可能需要额外的支撑或支撑以确保稳定性。理解这些局限性对于工程师避免设计潜在失效至关重要。在实际应用中，“简单支撑跨距”常见于桥梁。许多行人和车辆桥梁利用这种支撑类型，因为其在跨越短距离方面的有效性。例如，一座简单的桥可能由一根梁支撑在两个墩上，形成一个“简单支撑跨距”，允许安全通过河流或山谷。施工简便和维护简单进一步促进了这种设计的普及。总之，“简单支撑跨距”的概念在结构工程中是基础性的。它的直接性使得设计和分析高效，使其成为许多建设项目的首选。然而，工程师必须时刻关注其局限性，并确保采取适当措施来解决任何潜在的弱点。通过掌握围绕“简单支撑跨距”的原则，工程师可以创造出不仅功能齐全而且安全可靠的结构。