cofferdam

简明释义

英[ˈkɒfəˌdæm]美[ˈkɔːfərˌdæm]

n. 围堰；潜水箱

vt. 修筑围堰

英英释义

单词用法

同义词

反义词

例句

1.Temporary projects include temporary cofferdam project and protection project of ancient relics.

临时附属工程主要是临时围堰工程和文物防护工程。

2.Taking Anqing Highway Bridge over Yangtze River for example, give the design and key construction technology in large double-wall steel cofferdam.

结合安庆长江公路大桥的施工，介绍大型双壁钢吊箱围堰的设计方法和关键施工技术。

3.This is aimed at providing an effective measuring method for such kind of cofferdam construction.

旨在为大型斜拉桥建设提供可行的主塔基础钢围堰施测方法。

4.A mechanical model is established based on the actual bearing capacity of the steel sheet cofferdam.

根据钢板桩围堰的实际受力状况建立力学模型。

5.The concrete impervious wall for the second phase cofferdam in the Three Gorges Project is the key to the cofferdam.

三峡工程二期围堰混凝土防渗墙是围堰工程成败的关键。

6.The second stage foundation pit of the TGP will be bounded by the upstream and downstream transverse cofferdams and the longitudinal concrete cofferdam.

三峡工程二期上下游横向围堰与混凝土纵向围堰共同形成基坑，保证二期工程施工。

7.Before starting the bridge construction, the team erected a cofferdam around the pillars.

在开始桥梁建设之前，团队在支柱周围搭建了一个围堰。

8.The engineers designed a temporary cofferdam to control water flow while repairing the dam.

工程师设计了一个临时的围堰以控制水流，同时修复大坝。

9.Using a cofferdam allowed workers to access the underwater foundation safely.

使用围堰使工人能够安全地接触水下基础。

10.The construction team built a cofferdam to ensure the site remained dry during the excavation process.

施工团队建造了一个围堰以确保在挖掘过程中现场保持干燥。

11.A well-constructed cofferdam can withstand strong currents and protect the work area.

一个构造良好的围堰可以抵御强流并保护工作区域。

作文

A cofferdam is a temporary structure used to hold back water during construction projects, particularly in areas where the work must be done below the waterline. The concept of a cofferdam has been utilized for centuries, allowing engineers and builders to create dry working environments in otherwise challenging conditions. Typically made from materials such as steel, concrete, or wood, a cofferdam can take various forms depending on the specific requirements of the project and the environment it is situated in.The primary purpose of a cofferdam is to create a safe and dry area for workers to perform necessary tasks without the interference of water. For instance, when constructing bridges, piers, or dams, a cofferdam allows crews to excavate and lay foundations securely. Without this essential tool, construction would be nearly impossible in many locations, especially those near rivers, lakes, or other bodies of water.One of the most notable examples of a cofferdam in use was during the construction of the Hoover Dam in the 1930s. Engineers faced the challenge of working in the Colorado River, which posed significant risks and difficulties. By employing large cofferdams, they were able to divert the river's flow and create a dry workspace, ultimately leading to the successful completion of the dam. This monumental project not only showcased the effectiveness of cofferdams but also highlighted their importance in modern engineering practices.In addition to their role in construction, cofferdams are also used in environmental remediation projects. For example, if a site is contaminated by hazardous materials submerged underwater, a cofferdam can be erected to isolate the area and allow for safe cleanup without the risk of pollutants spreading into adjacent waters. This application demonstrates the versatility and necessity of cofferdams in both construction and environmental management.However, constructing a cofferdam is not without its challenges. Engineers must carefully assess the hydrology of the site, considering factors such as water pressure, soil stability, and potential environmental impacts. Furthermore, maintaining the integrity of a cofferdam is crucial; any failure could lead to flooding, endangering workers and delaying projects significantly. Therefore, continuous monitoring and maintenance are essential throughout the construction process.In conclusion, a cofferdam is an invaluable tool in the field of construction and environmental protection. Its ability to create safe, dry working conditions in challenging environments has made it a staple in engineering projects around the world. As we continue to face complex construction challenges, the innovation and application of cofferdams will undoubtedly evolve, ensuring that we can meet the demands of modern infrastructure while safeguarding our natural resources.

“cofferdam”是一个临时结构，用于在施工项目中挡住水，特别是在必须在水位以下进行工作的区域。cofferdam的概念已经被使用了几个世纪，使工程师和建筑商能够在其他条件具有挑战性的环境中创造干燥的工作环境。通常由钢材、混凝土或木材等材料制成，cofferdam可以根据项目的具体要求和所处环境采取不同的形式。cofferdam的主要目的是为工人创造一个安全干燥的区域，以便在没有水干扰的情况下进行必要的任务。例如，在建造桥梁、码头或大坝时，cofferdam允许工作人员安全地挖掘和铺设基础。如果没有这个重要工具，许多地方的建设几乎是不可能的，尤其是那些靠近河流、湖泊或其他水体的地方。最著名的cofferdam使用实例之一是在20世纪30年代胡佛大坝的建设过程中。工程师面临着在科罗拉多河中工作的挑战，这带来了重大风险和困难。通过使用大型cofferdams，他们能够转移河流的流动，创造一个干燥的工作空间，最终成功完成大坝。这项宏伟的工程不仅展示了cofferdams的有效性，还突显了它们在现代工程实践中的重要性。除了在施工中的作用，cofferdams还用于环境修复项目。例如，如果一个地点被淹没在水下的危险材料污染，cofferdam可以被建立以隔离该区域，并允许在没有污染物扩散到邻近水域的风险下进行安全清理。这一应用展示了cofferdams在建筑和环境管理中的多功能性和必要性。然而，建造cofferdam并非没有挑战。工程师必须仔细评估现场的水文学，考虑水压、土壤稳定性和潜在的环境影响等因素。此外，保持cofferdam的完整性至关重要；任何失败都可能导致洪水，危及工人并显著延误项目。因此，在整个施工过程中，持续监测和维护是必不可少的。总之，cofferdam是建筑和环境保护领域中不可或缺的工具。它在具有挑战性的环境中创造安全、干燥的工作条件的能力使其成为世界各地工程项目的支柱。随着我们继续面临复杂的建筑挑战，cofferdams的创新和应用无疑将不断发展，确保我们能够满足现代基础设施的需求，同时保护我们的自然资源。