roller bridge

简明释义

用滚轮的活动桥

英英释义

A roller bridge is a type of bridge that uses rollers or wheels to support and facilitate the movement of the bridge structure, allowing for easier passage over obstacles such as rivers or valleys.

滚轮桥是一种使用滚轮或车轮来支撑和促进桥梁结构运动的桥梁类型,允许更轻松地跨越河流或山谷等障碍物。

例句

1.The roller bridge is a crucial part of the new highway project.

这座滚筒桥是新高速公路项目的重要组成部分。

2.They designed the roller bridge to withstand strong winds and heavy loads.

他们设计的滚筒桥能够抵御强风和重载。

3.The construction team installed a new roller bridge to improve access across the river.

施工队安装了一座新的滚筒桥以改善河流两岸的通行。

4.During the inspection, we found that the roller bridge was in excellent condition.

在检查中,我们发现这座滚筒桥的状态非常良好。

5.The roller bridge allows heavy vehicles to cross without damaging the structure.

这座滚筒桥允许重型车辆通行而不会损坏结构。

作文

The concept of a roller bridge is fascinating, especially when we consider its applications in modern engineering and architecture. A roller bridge is designed to allow for the smooth movement of vehicles and pedestrians over obstacles such as rivers or valleys while accommodating the natural expansion and contraction of materials due to temperature changes. This type of bridge utilizes rollers or bearings that enable it to adjust to various loads and environmental conditions, making it an essential structure in civil engineering.One of the most significant advantages of a roller bridge is its ability to handle dynamic loads effectively. For instance, when heavy trucks or trains pass over, the rollers help distribute the weight evenly across the structure. This distribution minimizes stress on any single part of the bridge, reducing the risk of structural failure. Additionally, the rollers allow the bridge to expand and contract without causing damage, which is particularly important in regions with extreme temperature fluctuations.In terms of design, roller bridges can be constructed using various materials, including steel, concrete, and composite materials. Steel is often preferred for its strength and durability, while concrete offers excellent resistance to weathering. The choice of material significantly impacts the overall lifespan and maintenance requirements of the bridge. Engineers must carefully consider these factors when designing a roller bridge to ensure it meets safety standards and can withstand environmental challenges.Moreover, the aesthetic aspect of a roller bridge should not be overlooked. Many modern bridges incorporate innovative designs that enhance their visual appeal while still serving their functional purpose. For example, the use of sleek lines and open spaces can create an inviting atmosphere for pedestrians and cyclists. Some engineers even integrate lighting features into the design of a roller bridge, transforming it into a landmark that enhances the surrounding landscape.Environmental considerations are also crucial when constructing a roller bridge. Engineers must assess the potential impact on local ecosystems and wildlife. By choosing materials and designs that minimize disruption, they can create a bridge that not only serves transportation needs but also respects the natural environment. In some cases, roller bridges are designed to be environmentally friendly by incorporating green technologies, such as solar panels or rainwater harvesting systems.In conclusion, the roller bridge is a remarkable feat of engineering that combines functionality, safety, and aesthetics. Its ability to accommodate dynamic loads and environmental changes makes it an ideal choice for various applications. As we continue to advance in technology and design, the roller bridge will undoubtedly play a critical role in our infrastructure, connecting communities and enhancing mobility while respecting the environment. Understanding the significance of a roller bridge helps us appreciate the intricate balance between engineering excellence and ecological responsibility.

“滚轮桥”的概念令人着迷,尤其是在我们考虑其在现代工程和建筑中的应用时。滚轮桥旨在允许车辆和行人平稳地跨越河流或山谷等障碍,同时适应材料因温度变化而产生的自然膨胀和收缩。这种类型的桥利用滚轮或轴承,使其能够适应各种载荷和环境条件,使其成为土木工程中不可或缺的结构。滚轮桥的一大显著优势是其有效处理动态载荷的能力。例如,当重型卡车或火车经过时,滚轮有助于将重量均匀分布在结构上。这种分布最小化了桥的任何单一部分的压力,降低了结构失效的风险。此外,滚轮使桥能够膨胀和收缩而不造成损坏,这在温差极大的地区尤为重要。在设计方面,滚轮桥可以使用多种材料建造,包括钢、混凝土和复合材料。由于其强度和耐久性,钢材通常是首选,而混凝土则提供了优良的抗风化性能。材料的选择对桥的整体使用寿命和维护要求产生重大影响。工程师在设计滚轮桥时必须仔细考虑这些因素,以确保其符合安全标准并能承受环境挑战。此外,滚轮桥的美学方面也不容忽视。许多现代桥梁采用创新设计,增强其视觉吸引力,同时仍然发挥功能性。例如,流线型的线条和开放空间的使用可以为行人和骑自行车的人创造一个宜人的氛围。一些工程师甚至将照明功能整合到滚轮桥的设计中,将其转变为增强周边景观的地标。在建造滚轮桥时,环境考虑也是至关重要的。工程师必须评估对当地生态系统和野生动物的潜在影响。通过选择最小化干扰的材料和设计,他们可以创造出不仅满足交通需求,而且尊重自然环境的桥梁。在某些情况下,滚轮桥被设计为环保,通过整合绿色技术,如太阳能电池板或雨水收集系统。总之,滚轮桥是一项卓越的工程成就,结合了功能性、安全性和美学。其适应动态载荷和环境变化的能力使其成为各种应用的理想选择。随着我们在技术和设计上的不断进步,滚轮桥无疑将在我们的基础设施中发挥关键作用,连接社区,增强流动性,同时尊重环境。理解滚轮桥的意义帮助我们欣赏工程卓越与生态责任之间的微妙平衡。

相关单词

roller

roller详解:怎么读、什么意思、用法