built-up beam

简明释义

组合梁

英英释义

例句

1.The architect specified a built-up beam for the new bridge design due to its strength.

建筑师为新桥设计指定了一个组合梁，因为它的强度。

2.In this renovation project, a built-up beam will replace the old wooden support.

在这个翻新项目中，一根组合梁将替代旧的木支撑。

3.The contractor chose a built-up beam made from steel plates for the warehouse.

承包商为仓库选择了一根由钢板制成的组合梁。

4.We need to calculate the load capacity of the built-up beam before installation.

在安装之前，我们需要计算组合梁的承载能力。

5.The engineer recommended using a built-up beam for better structural integrity.

工程师建议使用组合梁以获得更好的结构完整性。

作文

In the field of civil engineering, structural components play a crucial role in ensuring the stability and safety of buildings and bridges. One such component is the built-up beam, which is widely used in various construction projects due to its versatility and strength. A built-up beam (组合梁) is created by combining multiple smaller sections or plates to form a larger, more robust beam. This method allows engineers to customize the dimensions and properties of the beam according to the specific requirements of the structure it supports.The process of constructing a built-up beam typically involves welding or bolting together several steel plates or sections. This assembly technique is particularly advantageous when dealing with heavy loads or long spans that standard beams cannot accommodate. For instance, in the construction of high-rise buildings, where loads are significantly greater, built-up beams (组合梁) provide the necessary support without excessive weight.One of the primary benefits of using a built-up beam is its ability to be tailored for different applications. Engineers can design the beam to have varying depths and widths, depending on the load it needs to bear and the span it must cover. This flexibility not only enhances structural integrity but also optimizes material usage, reducing waste and costs associated with over-engineering.Moreover, built-up beams (组合梁) are often used in conjunction with other structural elements, such as columns and trusses, to create a comprehensive framework for the building. The synergy between these components ensures that forces are effectively distributed throughout the structure, enhancing its overall stability.Another significant advantage of built-up beams is their ease of transportation and installation. Since these beams are constructed from smaller sections, they can be fabricated off-site and then assembled at the construction site. This not only speeds up the construction process but also minimizes disruptions caused by transporting large, solid beams. Additionally, the modular nature of built-up beams (组合梁) allows for easier adjustments during installation, ensuring a precise fit within the overall structure.Despite their many advantages, it is essential to consider the potential challenges associated with built-up beams. One concern is the complexity of the design and fabrication process, which requires skilled labor and careful planning. Furthermore, the joints where the sections are connected must be meticulously designed to ensure they can withstand the forces acting on the beam. If not properly executed, these connections can become weak points in the structure, leading to potential failures.In conclusion, the built-up beam (组合梁) represents a vital innovation in structural engineering, providing a solution for creating strong, adaptable beams that meet the demands of modern construction. Its ability to be customized for specific applications, combined with the benefits of ease of transportation and installation, makes it a preferred choice for engineers worldwide. As construction techniques continue to evolve, the importance of built-up beams will undoubtedly remain significant, contributing to the safety and durability of structures for years to come.