center span

简明释义

中央跨距

英英释义

例句

1.During the inspection, they found cracks in the center span that needed urgent repair.

在检查过程中，他们发现中心跨度有裂缝，需要紧急修复。

2.The center span of the cable-stayed bridge is the longest section, providing stability.

斜拉桥的中心跨度是最长的部分，提供了稳定性。

3.The architect emphasized the importance of the center span in the overall aesthetic of the building.

建筑师强调了中心跨度在建筑整体美学中的重要性。

4.Engineers calculated the load on the center span to ensure safety during construction.

工程师计算了中心跨度的负载，以确保施工期间的安全。

5.The bridge's design features a unique center span that allows for larger ships to pass underneath.

这座桥的设计具有独特的中心跨度，可以让更大的船只通过。

作文

The architectural design of bridges has always fascinated engineers and architects alike. One crucial aspect of bridge construction is the concept of the center span, which refers to the longest part of the bridge that is suspended between two supports. This section is critical because it bears the majority of the load and determines the overall stability of the structure. The center span is often a focal point in the design process, influencing not only the aesthetics of the bridge but also its functionality.When designing a bridge, engineers must consider various factors that affect the center span. These include the materials used, the intended traffic load, and environmental conditions such as wind and seismic activity. For instance, a suspension bridge typically features a long center span supported by cables, allowing it to accommodate heavy loads while maintaining flexibility. In contrast, a beam bridge might have a shorter center span, relying on solid beams to distribute weight evenly.The choice of a longer or shorter center span can significantly impact the bridge's overall design. A longer center span allows for wider river crossings or gaps between land masses, making it ideal for locations where traditional support structures would be impractical. However, longer spans often require more advanced engineering techniques and materials to ensure safety and durability.In addition to structural considerations, the center span also plays a vital role in the bridge's visual appeal. Many iconic bridges, such as the Golden Gate Bridge in San Francisco, are celebrated for their impressive center spans. The graceful arcs of the cables and the sleek lines of the deck create a stunning silhouette against the skyline. This aesthetic aspect can enhance tourism and community pride, making the bridge a landmark in its own right.Moreover, the center span can influence the maintenance and longevity of the bridge. Regular inspections and maintenance are necessary to ensure that the center span remains structurally sound over time. Factors such as corrosion, wear, and tear from traffic can compromise its integrity, leading to costly repairs or even catastrophic failures if not addressed promptly.In conclusion, the center span is a fundamental element in bridge design that encompasses both engineering and aesthetic considerations. Its importance cannot be overstated, as it directly affects the bridge's load-bearing capacity, stability, and visual impact. As we continue to innovate in engineering practices and materials, the center span will remain a vital topic of study and discussion among professionals in the field. Understanding its significance helps us appreciate the complexity and beauty of bridge construction, ensuring that these structures can serve their purpose effectively for generations to come.

桥梁的建筑设计一直以来都吸引着工程师和建筑师。桥梁施工的一个关键方面是中心跨度的概念，它指的是悬挂在两个支撑之间的桥梁最长部分。这个部分至关重要，因为它承载着大部分负荷，并决定了结构的整体稳定性。中心跨度通常是设计过程中的一个焦点，影响着桥梁的美学以及其功能性。在设计桥梁时，工程师必须考虑影响中心跨度的各种因素。这些因素包括使用的材料、预期的交通负荷以及风和地震等环境条件。例如，悬索桥通常具有较长的中心跨度，由电缆支撑，使其能够承受重负荷，同时保持灵活性。相比之下，梁桥可能具有较短的中心跨度，依靠坚固的梁来均匀分配重量。选择较长或较短的中心跨度会显著影响桥梁的整体设计。较长的中心跨度允许更宽的河流跨越或陆地之间的间隙，使其在传统支撑结构不切实际的地方理想。然而，较长的跨度通常需要更先进的工程技术和材料，以确保安全性和耐用性。除了结构考虑外，中心跨度在桥梁的视觉吸引力中也发挥着至关重要的作用。许多标志性的桥梁，例如旧金山的金门大桥，以其令人印象深刻的中心跨度而受到赞誉。电缆的优雅弧线和甲板的流畅线条在天际线上创造出惊人的轮廓。这种美学方面可以增强旅游业和社区自豪感，使桥梁成为一个地标。此外，中心跨度还会影响桥梁的维护和使用寿命。定期检查和维护是必要的，以确保中心跨度在时间上保持结构完整。腐蚀、磨损和交通造成的损害等因素可能会危及其完整性，如果不及时处理，可能导致昂贵的修复或甚至灾难性的故障。总之，中心跨度是桥梁设计中的一个基本要素，涵盖了工程和美学的考虑。它的重要性不容小觑，因为它直接影响到桥梁的承载能力、稳定性和视觉效果。随着我们在工程实践和材料方面的不断创新，中心跨度将继续成为该领域专业人士研究和讨论的重要主题。理解其重要性有助于我们欣赏桥梁建设的复杂性和美丽，确保这些结构能够有效地服务于未来几代人。