railway bridge
简明释义
铁桥
英英释义
A railway bridge is a structure built to span a physical obstacle such as a body of water, valley, or road, allowing trains to cross over. | 铁路桥是一种结构,用于跨越水体、山谷或道路等物理障碍,允许火车通过。 |
例句
1.The view from the railway bridge 铁路桥 is breathtaking.
从这座铁路桥上看到的景色令人惊叹。
2.The old railway bridge 铁路桥 needs repairs before it can be used again.
这座旧的铁路桥在再次使用之前需要修理。
3.They are planning to build a new railway bridge 铁路桥 to improve transportation.
他们计划建造一座新的铁路桥以改善交通。
4.The train passed over the railway bridge 铁路桥 without any issues.
火车顺利通过了这座铁路桥。
5.During the storm, the railway bridge 铁路桥 was closed for safety reasons.
由于暴风雨,这座铁路桥出于安全原因关闭。
作文
The construction of a railway bridge has always been a significant engineering feat that showcases the advancements in transportation infrastructure. A railway bridge is designed to allow trains to cross over obstacles such as rivers, valleys, or even roads. These structures are essential for maintaining efficient rail networks, facilitating the movement of goods and passengers across vast distances. The design and construction of a railway bridge require careful planning and consideration of various factors including the weight of trains, environmental conditions, and safety regulations.One of the most iconic examples of a railway bridge is the Golden Gate Bridge in San Francisco. Although primarily a road bridge, it serves as a symbol of engineering excellence and innovation. However, there are numerous dedicated railway bridges around the world that have their own unique characteristics. For instance, the Forth Rail Bridge in Scotland is recognized for its distinctive cantilever design and has been a UNESCO World Heritage Site since 2015. This railway bridge not only serves as a vital transport link but also as a testament to Victorian engineering prowess.The process of building a railway bridge involves several stages. Initially, engineers conduct thorough surveys to determine the best location and design for the bridge. They must consider the geological conditions, potential environmental impacts, and the existing transportation network. Once the design is finalized, construction begins with the foundation, which is crucial for supporting the weight of the bridge and the trains that will traverse it.Materials used in the construction of a railway bridge vary depending on the design and location. Steel and concrete are common choices due to their strength and durability. In some cases, wooden bridges may still be used, especially in rural areas where trains do not carry heavy loads. Regardless of the materials chosen, the goal remains the same: to create a safe and reliable structure that can withstand the test of time.Safety is a paramount concern when constructing and maintaining a railway bridge. Regular inspections are conducted to identify any potential issues such as corrosion, structural weaknesses, or damage from natural disasters. Many countries have strict regulations governing the maintenance of railway bridges to ensure they remain safe for public use.In recent years, the role of technology in the construction and maintenance of railway bridges has grown significantly. Advanced materials, such as fiber-reinforced polymers, and innovative construction techniques are being employed to enhance the longevity and safety of these structures. Additionally, the use of drones and sensors allows for more efficient inspections and monitoring of railway bridges, helping to identify problems before they become critical.In conclusion, railway bridges are vital components of our transportation infrastructure, playing a crucial role in connecting communities and facilitating trade. Their construction is a complex process that requires careful planning, skilled labor, and ongoing maintenance to ensure safety and reliability. As technology continues to evolve, the future of railway bridges looks promising, with new materials and methods paving the way for even more impressive structures that can meet the demands of modern transportation.
铁路桥的建设一直是一项重要的工程壮举,展示了运输基础设施的进步。铁路桥旨在让火车跨越河流、山谷甚至道路等障碍物。这些结构对于维持高效的铁路网络至关重要,促进了货物和乘客在广阔距离上的移动。设计和建造铁路桥需要仔细规划和考虑多种因素,包括火车的重量、环境条件和安全法规。铁路桥最具标志性的例子之一是旧金山的金门大桥。尽管主要是一座公路桥,但它作为工程卓越和创新的象征而存在。然而,世界各地还有许多专用的铁路桥,它们各自具有独特的特征。例如,苏格兰的福斯铁路桥以其独特的悬臂设计而闻名,自2015年以来被联合国教科文组织列为世界遗产。这座铁路桥不仅作为一个重要的交通连接,还作为维多利亚时代工程实力的见证。建造一座铁路桥的过程包括几个阶段。最初,工程师进行彻底的勘测,以确定桥梁的最佳位置和设计。他们必须考虑地质条件、潜在的环境影响以及现有的交通网络。一旦设计最终确定,建设便开始于基础,这对于支撑桥梁的重量和将要经过的火车至关重要。用于铁路桥建设的材料因设计和位置而异。钢材和混凝土是常见的选择,因为它们的强度和耐久性。在某些情况下,木质桥梁仍可能被使用,特别是在火车不载重的农村地区。无论选择哪种材料,目标始终相同:创建一个安全可靠的结构,可以经受住时间的考验。安全是建造和维护铁路桥时的首要关注点。定期检查以识别潜在问题,例如腐蚀、结构弱点或自然灾害造成的损坏。许多国家对铁路桥的维护有严格的规定,以确保它们保持安全供公众使用。近年来,科技在铁路桥的建设和维护中所扮演的角色显著增强。先进材料,如纤维增强聚合物,以及创新的施工技术正在被采用,以增强这些结构的耐久性和安全性。此外,无人机和传感器的使用使得铁路桥的检查和监测更为高效,有助于在问题变得严重之前识别出问题。总之,铁路桥是我们运输基础设施的重要组成部分,在连接社区和促进贸易方面发挥着至关重要的作用。它们的建设是一个复杂的过程,需要仔细规划、熟练的劳动力和持续的维护,以确保安全和可靠性。随着技术的不断发展,铁路桥的未来看起来充满希望,新材料和方法为满足现代交通需求铺平了道路,创造出更令人印象深刻的结构。
相关单词