bottom chord

简明释义

底弦杆

英英释义

例句

1.We need to replace the damaged bottom chord (下弦) before proceeding with the construction.

在继续施工之前，我们需要更换受损的bottom chord (下弦)。

2.The engineer specified that the bottom chord (下弦) must be reinforced to support the additional weight.

工程师指定必须加固bottom chord (下弦)以支撑额外的重量。

3.The truss design included a strong bottom chord (下弦) to ensure stability.

桁架设计中包含一个坚固的bottom chord (下弦)以确保稳定性。

4.During the inspection, we found that the bottom chord (下弦) was showing signs of fatigue.

在检查过程中，我们发现bottom chord (下弦)出现了疲劳的迹象。

5.In this bridge, the bottom chord (下弦) plays a critical role in load distribution.

在这座桥中，bottom chord (下弦)在负载分配中起着至关重要的作用。

作文

In the world of structural engineering, every component of a truss plays a crucial role in ensuring the stability and strength of a structure. Among these components, the bottom chord stands out as an essential element that supports the overall integrity of the truss system. The bottom chord refers to the horizontal member at the bottom of a truss, which connects the ends of the diagonal members and provides support for the loads acting on the structure. This component is vital because it helps distribute the weight evenly across the truss, allowing it to bear heavy loads without collapsing.When designing a truss, engineers must carefully consider the materials used for the bottom chord. Common materials include steel, wood, and reinforced concrete, each with its own advantages and disadvantages. For instance, steel offers high tensile strength and durability, making it an excellent choice for large structures such as bridges and roofs. On the other hand, wooden bottom chords can provide aesthetic appeal and are often used in residential buildings where design and cost considerations are paramount.The placement and configuration of the bottom chord also play a significant role in the performance of the truss. Depending on the design requirements, the bottom chord can be positioned in various ways, such as flat or cambered, to accommodate different loading conditions. A cambered bottom chord, for example, is slightly arched to counteract the deflection that occurs when the truss is loaded, ensuring that the structure remains stable under stress.Moreover, the bottom chord is not only crucial for load-bearing but also for the overall aesthetics of a structure. In many architectural designs, the visibility of the truss system, including the bottom chord, can enhance the visual appeal of a building. Engineers and architects often collaborate to create designs that highlight these components while maintaining their functional integrity.In conclusion, the bottom chord is a fundamental part of truss design in structural engineering. Its role in load distribution, material selection, positioning, and aesthetic contribution cannot be overstated. Understanding the importance of the bottom chord allows engineers to create safer and more efficient structures, ultimately leading to better buildings that stand the test of time. As we continue to innovate and develop new construction techniques, the bottom chord will remain a key focus in ensuring the stability and safety of our built environment.

在结构工程的世界中，桁架的每个组件在确保结构的稳定性和强度方面都发挥着至关重要的作用。在这些组件中，bottom chord（底弦）作为一个重要元素脱颖而出，它支持着整个桁架系统的完整性。bottom chord是指位于桁架底部的水平构件，它连接着斜杆的两端，并为作用在结构上的荷载提供支持。这个组件至关重要，因为它有助于将重量均匀分配到桁架上，使其能够承受重负荷而不会倒塌。在设计桁架时，工程师必须仔细考虑用于bottom chord的材料。常见的材料包括钢、木材和钢筋混凝土，每种材料都有其优缺点。例如，钢材具有高拉伸强度和耐久性，是桥梁和屋顶等大型结构的优秀选择。另一方面，木质bottom chord可以提供美学吸引力，通常用于住宅建筑中，在设计和成本考虑方面具有重要意义。bottom chord的放置和配置在桁架的性能中也起着重要作用。根据设计要求，bottom chord可以以不同的方式放置，例如平坦或拱形，以适应不同的荷载条件。例如，拱形bottom chord稍微弯曲，以抵消当桁架承载时发生的挠度，确保结构在受力下保持稳定。此外，bottom chord不仅对承载至关重要，而且对结构的整体美学也有影响。在许多建筑设计中，桁架系统，包括bottom chord的可见性，可以增强建筑的视觉吸引力。工程师和建筑师经常合作，创造突出这些组件的设计，同时保持其功能完整性。总之，bottom chord是结构工程中桁架设计的基本部分。它在荷载分配、材料选择、定位和美学贡献方面的重要性不容小觑。理解bottom chord的重要性使工程师能够创建更安全、更高效的结构，最终导致更好的建筑，经得起时间的考验。随着我们继续创新和发展新的建筑技术，bottom chord将始终是确保我们建成环境的稳定性和安全性的关键焦点。