box girder
简明释义
箱形桁
英英释义
A box girder is a structural element that has a hollow rectangular or square cross-section, used primarily in bridges and buildings to support loads. | 箱形梁是一种结构元素,具有中空的矩形或正方形截面,主要用于桥梁和建筑物中以支撑荷载。 |
例句
1.The new bridge will be supported by a strong box girder 箱形梁 to ensure stability.
新桥将由坚固的box girder 箱形梁 支撑,以确保稳定性。
2.A box girder 箱形梁 can support heavier loads compared to traditional beams.
与传统梁相比,box girder 箱形梁 可以支撑更重的载荷。
3.During construction, the team carefully aligned the box girder 箱形梁 sections for proper load distribution.
在施工过程中,团队仔细对齐了box girder 箱形梁 部件,以确保正确的载荷分配。
4.The box girder 箱形梁 is often used in highway overpasses due to its durability.
由于耐用性,box girder 箱形梁 通常用于高速公路立交桥。
5.Engineers designed the box girder 箱形梁 to minimize weight while maximizing strength.
工程师设计了box girder 箱形梁,以在最大化强度的同时最小化重量。
作文
In the field of civil engineering, the term box girder refers to a specific type of beam that is commonly used in the construction of bridges and large structures. A box girder is characterized by its hollow, rectangular shape, which provides high strength and rigidity while minimizing weight. This design allows for efficient load distribution and makes it suitable for spanning long distances without requiring excessive support. The use of box girders has become increasingly popular due to their ability to withstand various forces, including bending, shear, and torsion.The construction of a box girder typically involves materials such as reinforced concrete or steel. When constructed from reinforced concrete, the girder is poured into molds to create the desired shape. Steel box girders, on the other hand, are fabricated by welding together plates of steel, resulting in a durable and robust structure. Both types have their advantages; for instance, concrete box girders offer excellent compressive strength, while steel box girders provide superior tensile strength.One of the significant benefits of using box girders in bridge construction is their ability to minimize deflection. Deflection occurs when a beam bends under load, which can lead to structural failure if not properly managed. The geometry of a box girder allows it to resist deflection more effectively than traditional I-beams, making it a preferred choice for modern bridge designs.Moreover, box girders can be designed to accommodate various architectural styles and requirements. They can be used in straight spans as well as in curved configurations, providing flexibility for engineers and architects alike. This adaptability is essential in urban environments where space is limited, and aesthetic considerations play a crucial role in design.Another important aspect of box girders is their role in the overall safety and longevity of a structure. Due to their enclosed shape, box girders are less susceptible to environmental factors, such as corrosion and wear, compared to open beam designs. This durability means that structures utilizing box girders can have extended lifespans, reducing the need for frequent repairs or replacements.In conclusion, the use of box girders in construction represents a significant advancement in engineering practices. Their unique design offers numerous advantages, including enhanced strength, reduced deflection, and improved durability. As cities continue to grow and the demand for innovative infrastructure increases, the importance of box girders will undoubtedly remain a key consideration in the development of safe and sustainable structures. Understanding the principles behind box girders is essential for future engineers who aim to contribute to the evolving landscape of civil engineering and architecture.
在土木工程领域,短语箱梁指的是一种特定类型的梁,通常用于桥梁和大型结构的建设。箱梁的特点是其中空的矩形形状,这种设计提供了高强度和刚性,同时最小化了重量。这种设计允许有效的荷载分布,使其适合跨越长距离而不需要过多的支撑。由于能够承受各种力量,包括弯曲、剪切和扭转,使用箱梁已变得越来越流行。箱梁的构造通常涉及使用增强混凝土或钢材等材料。当由增强混凝土构成时,梁会被倒入模具中以创建所需的形状。而钢制箱梁则通过焊接钢板制造,形成耐用且坚固的结构。这两种类型各有其优点;例如,混凝土箱梁提供出色的抗压强度,而钢制箱梁则提供卓越的抗拉强度。在桥梁建设中使用箱梁的一个重要好处是能够最小化挠度。挠度是指梁在荷载下弯曲时发生的现象,如果没有妥善管理,可能导致结构失效。箱梁的几何形状使其比传统的I型梁更有效地抵抗挠度,因此成为现代桥梁设计的首选。此外,箱梁可以设计成适应各种建筑风格和要求。它们可以用于直线跨度,也可以用于曲线配置,为工程师和建筑师提供灵活性。这种适应性在城市环境中尤为重要,因为空间有限,审美考虑在设计中发挥着至关重要的作用。箱梁的另一个重要方面是其在整体安全性和结构耐久性中的作用。由于其封闭的形状,箱梁比开放梁设计更不易受到环境因素的影响,如腐蚀和磨损。这种耐用性意味着使用箱梁的结构可以延长其使用寿命,减少频繁维修或更换的需求。总之,箱梁在建筑中的使用代表了工程实践的重大进步。其独特的设计提供了许多优势,包括增强的强度、减少的挠度和改善的耐久性。随着城市的不断发展和对创新基础设施的需求增加,箱梁的重要性无疑将继续成为安全和可持续结构发展的关键考虑因素。理解箱梁背后的原理对于未来希望为土木工程和建筑学不断发展的领域做出贡献的工程师至关重要。
相关单词