bascule bridge

简明释义

竖旋桥;活动桥

英英释义

例句

1.During the boat parade, the bascule bridge was raised to let the vessels pass.

在船只游行期间，平衡桥被抬起以让船只通过。

2.The city plans to renovate the old bascule bridge to improve traffic flow.

这座城市计划翻新旧的平衡桥以改善交通流量。

3.Tourists often stop to take pictures of the iconic bascule bridge in the city center.

游客们常常停下来拍摄市中心标志性的平衡桥。

4.The bascule bridge connects the two sides of the river, allowing both vehicles and pedestrians to cross.

这座平衡桥连接了河流的两岸，允许车辆和行人通行。

5.Engineers designed a new bascule bridge that can open in less than a minute.

工程师设计了一座新的平衡桥，可以在不到一分钟的时间内开启。

作文

A bascule bridge is a type of movable bridge that consists of two leaves, or arms, which can be raised and lowered to allow for the passage of boats and ships. The term 'bascule' comes from the French word for 'seesaw', which is an apt description of how this bridge operates. When one side of the bridge is lifted, the other side descends, creating a balance similar to a seesaw. This ingenious design has made bascule bridges popular in areas where waterways are prevalent, as they provide a practical solution for both road traffic and maritime navigation.The history of the bascule bridge dates back to the late 19th century, when engineers began experimenting with various types of movable bridges to accommodate increasing maritime traffic. One of the most famous examples of a bascule bridge is the Tower Bridge in London, which was completed in 1894. This iconic structure not only serves as a vital transportation link but also as a symbol of the city itself. The design and functionality of the bascule bridge have evolved over the years, with modern versions incorporating advanced technologies that enhance their efficiency and safety.In terms of construction, a bascule bridge typically requires robust materials and precise engineering to ensure that it can withstand the forces exerted during its operation. The counterweights used to balance the leaves of the bridge are crucial; they must be carefully calculated to ensure smooth movement. Additionally, the mechanisms that control the lifting and lowering of the bridge must be reliable and well-maintained to prevent accidents and ensure the safety of both vehicles and pedestrians.One of the significant advantages of a bascule bridge is its ability to open and close quickly, which minimizes delays for both road and water traffic. Unlike other types of movable bridges, such as drawbridges or swing bridges, bascule bridges can operate in a more compact space, making them suitable for urban environments where space is limited. This efficiency is particularly important in busy ports and harbors, where the constant movement of vessels necessitates a bridge design that can accommodate both land and sea traffic seamlessly.Despite their many benefits, bascule bridges also present challenges. For instance, the mechanical parts require regular maintenance to prevent wear and tear, and the lifting mechanism must be monitored to ensure it operates correctly. Additionally, the presence of a bascule bridge can sometimes lead to traffic congestion, especially if the bridge needs to be raised frequently. Urban planners must consider these factors when designing infrastructure that includes a bascule bridge.In conclusion, the bascule bridge is a remarkable feat of engineering that plays a vital role in facilitating transportation across waterways. Its unique design allows for efficient movement of both vehicles and vessels, making it an essential component of many urban landscapes. As cities continue to grow and develop, the bascule bridge will undoubtedly remain an important solution for managing the complexities of modern transportation systems. Understanding the mechanics and significance of the bascule bridge not only highlights the ingenuity of engineering but also emphasizes the importance of harmonious coexistence between land and water transportation.

悬臂桥是一种可移动桥梁，由两个叶片或臂组成，可以升降以允许船只和船只通行。术语“悬臂”源自法语中的“跷跷板”一词，这恰当地描述了这座桥的运作方式。当桥的一侧被抬起时，另一侧下降，形成类似于跷跷板的平衡。这种巧妙的设计使得悬臂桥在水道繁多的地区受到欢迎，因为它为道路交通和海上航行提供了实用的解决方案。悬臂桥的历史可以追溯到19世纪末，当时工程师们开始尝试各种类型的可移动桥梁，以适应日益增长的海上交通。伦敦的塔桥是最著名的悬臂桥之一，建成于1894年。这座标志性结构不仅作为重要的交通链接，还作为城市本身的象征。悬臂桥的设计和功能随着时间的推移而演变，现代版本融入了先进的技术，提高了其效率和安全性。在建设方面，悬臂桥通常需要坚固的材料和精确的工程设计，以确保能够承受在操作过程中施加的力量。用于平衡桥叶的配重至关重要；必须仔细计算，以确保顺利运动。此外，控制桥梁升降的机制必须可靠并得到良好维护，以防止事故并确保车辆和行人的安全。悬臂桥的一个显著优势是其能够快速开启和关闭，从而减少道路和水上交通的延误。与其他类型的可移动桥梁（如提桥或摆桥）不同，悬臂桥可以在更紧凑的空间内操作，使其适合城市环境，特别是在空间有限的地方。这种效率在繁忙的港口和码头尤为重要，因为船只的不断移动需要桥梁设计能够无缝地容纳陆地和海上交通。尽管悬臂桥有许多优点，但也面临挑战。例如，机械部件需要定期维护，以防止磨损，升降机制必须进行监控，以确保其正常运行。此外，悬臂桥的存在有时会导致交通拥堵，尤其是当桥梁需要频繁抬起时。城市规划者在设计包括悬臂桥的基础设施时，必须考虑这些因素。总之，悬臂桥是一项卓越的工程成就，在促进水道交通方面发挥着重要作用。其独特的设计允许车辆和船只的高效移动，使其成为许多城市景观的重要组成部分。随着城市的不断发展，悬臂桥无疑将继续成为管理现代交通系统复杂性的一个重要解决方案。理解悬臂桥的机制和重要性不仅突显了工程的聪明才智，也强调了陆地与水上交通之间和谐共存的重要性。