pontoon bridge

简明释义

舟桥

英英释义

例句

1.Engineers designed a sturdy 浮桥 to support the weight of military tanks.

工程师设计了一座坚固的浮桥以支撑军用坦克的重量。

2.The 浮桥 allowed vehicles to travel across the flooded area after the heavy rains.

在大雨过后，浮桥使车辆能够穿越被淹没的地区。

3.During the military exercise, the troops constructed a temporary 浮桥 to cross the river.

在军事演习中，部队建造了一座临时的浮桥以穿越河流。

4.After the dam was destroyed, a 浮桥 was quickly built to restore access to the other side.

在大坝被毁后，迅速建造了一座浮桥以恢复通往另一侧的通道。

5.The festival organizers set up a decorative 浮桥 over the lake for visitors to enjoy.

节日组织者在湖上搭建了一座装饰性的浮桥供游客欣赏。

作文

The concept of a pontoon bridge has fascinated engineers and historians alike for centuries. A pontoon bridge is a type of floating bridge that uses buoyant structures, called pontoons, to support the bridge deck above the water. These bridges are particularly useful in situations where traditional bridge construction is impractical or too expensive. For instance, during military operations, a pontoon bridge can be quickly assembled to allow troops and vehicles to cross rivers or other bodies of water. This flexibility makes it an invaluable asset in various scenarios.Historically, pontoon bridges have played a crucial role in warfare. During World War II, both the Allies and Axis powers employed pontoon bridges to facilitate rapid troop movements across rivers, which was essential for the success of many operations. The ability to deploy a pontoon bridge swiftly allowed armies to maintain momentum, often catching their enemies off guard. Engineers would work tirelessly to construct these bridges under challenging conditions, highlighting the ingenuity and resourcefulness of military engineering.In addition to military applications, pontoon bridges are also used in civilian contexts. For example, they can be found at festivals, fairs, and events where temporary crossings are needed. These structures can be erected quickly and dismantled just as easily, making them ideal for short-term use. Furthermore, pontoon bridges can be a cost-effective solution for connecting communities separated by water, especially in remote areas where building a permanent bridge might not be feasible.The design of a pontoon bridge must consider various factors, including water depth, flow rate, and potential obstacles. Engineers must ensure that the pontoons are adequately spaced and anchored to withstand environmental forces such as currents and waves. The materials used to construct a pontoon bridge are also critical; they must be durable enough to support heavy loads while remaining lightweight enough to float. Innovations in materials science have led to the development of stronger and more resilient pontoons, further enhancing the effectiveness of these bridges.Despite their many advantages, pontoon bridges do have limitations. They are generally not suitable for heavy traffic or extreme weather conditions. For instance, strong winds or flooding can compromise the stability of a pontoon bridge, making it unsafe for use. Additionally, the lifespan of a pontoon bridge is typically shorter than that of a traditional bridge, necessitating regular inspections and maintenance.In conclusion, the pontoon bridge is a remarkable engineering solution that has stood the test of time. Its versatility and adaptability make it a valuable tool in both military and civilian applications. As technology continues to advance, we can expect to see even more innovative designs and uses for pontoon bridges. Whether facilitating troop movements in wartime or providing temporary access at community events, the pontoon bridge remains an essential structure in our infrastructure toolkit.

“浮桥”这一概念在几个世纪以来一直吸引着工程师和历史学家的关注。浮桥是一种浮动桥，使用称为浮筒的漂浮结构来支撑桥面高于水面。这些桥在传统桥梁建设不切实际或成本过高的情况下特别有用。例如，在军事行动中，可以快速组装浮桥，以便让部队和车辆跨越河流或其他水体。这种灵活性使其在各种情况下成为宝贵的资产。历史上，浮桥在战争中发挥了至关重要的作用。在第二次世界大战期间，盟军和轴心国都使用浮桥来促进跨河的快速部队移动，这对许多行动的成功至关重要。迅速部署浮桥的能力使军队能够保持势头，常常使敌人措手不及。工程师们在艰苦的条件下不懈努力地建造这些桥梁，突显了军事工程的独创性和机智。除了军事应用外，浮桥在民用背景中也被广泛使用。例如，在节日、集市和需要临时通道的活动中可以找到这些结构。这些结构可以快速搭建，并且同样容易拆除，使其非常适合短期使用。此外，浮桥可以成为连接被水隔开的社区的经济有效的解决方案，尤其是在偏远地区，建造永久性桥梁可能不可行。浮桥的设计必须考虑多种因素，包括水深、流速和潜在障碍物。工程师必须确保浮筒间距适当并锚固，以承受水流和波浪等环境力量。用于建造浮桥的材料也至关重要；它们必须足够耐用以支持重负荷，同时又要轻便到足以浮起。材料科学的创新导致更强大和更具韧性的浮筒的发展，进一步增强了这些桥梁的有效性。尽管有许多优点，浮桥也有其局限性。它们通常不适合重型交通或极端天气条件。例如，强风或洪水可能会危及浮桥的稳定性，使其不安全。此外，浮桥的使用寿命通常比传统桥梁短，因此需要定期检查和维护。总之，浮桥是一项卓越的工程解决方案，经受住了时间的考验。它的多功能性和适应性使其在军事和民用应用中成为宝贵的工具。随着技术的不断进步，我们可以期待看到更多创新的设计和浮桥的使用。无论是在战争时期促进部队移动，还是在社区活动中提供临时通道，浮桥仍然是我们基础设施工具箱中的重要结构。