forward cofferdam

简明释义

首部隔离舱

英英释义

例句

1.The construction team is planning to install the forward cofferdam to ensure the area remains dry during the excavation process.

施工团队计划安装前方围堰以确保在挖掘过程中区域保持干燥。

2.The purpose of the forward cofferdam is to create a dry working environment for the foundation work.

前方围堰的目的是为基础工作创造一个干燥的工作环境。

3.Before we begin the bridge construction, we need to build a forward cofferdam to protect the site from water inflow.

在开始桥梁建设之前，我们需要建造一个前方围堰以保护工地免受水流入。

4.The engineers have designed the forward cofferdam to withstand high water pressure during the rainy season.

工程师们设计的前方围堰能够承受雨季期间的高水压。

5.We encountered some issues with the forward cofferdam, which delayed the project timeline.

我们在前方围堰上遇到了一些问题，这延迟了项目进度。

作文

In the realm of civil engineering and construction, the term forward cofferdam plays a significant role in ensuring the safety and efficiency of underwater projects. A cofferdam is essentially a temporary structure designed to hold back water and create a dry working environment for construction activities. The forward cofferdam specifically refers to a cofferdam that is placed ahead of the main construction area, allowing workers to safely access the site without interference from water. This technique is particularly useful in projects such as bridge construction, dam building, or any underwater excavation work.The use of a forward cofferdam can greatly enhance the overall workflow of a project. By creating a dry working area, it enables construction teams to operate with greater efficiency and safety. For instance, when constructing a bridge over a river, a forward cofferdam would be installed upstream of the construction site. This allows workers to install foundations and piers without the constant challenge of rising water levels or strong currents.Moreover, the installation of a forward cofferdam can also help mitigate environmental impacts. By managing the flow of water, construction teams can minimize sediment displacement and protect aquatic ecosystems. This is particularly important in areas where endangered species may reside or where the water body is crucial for local biodiversity.However, the design and construction of a forward cofferdam are not without challenges. Engineers must consider various factors such as water pressure, soil conditions, and potential weather impacts when designing these structures. The materials used must be robust enough to withstand the forces exerted by the water while remaining cost-effective. Additionally, careful planning is required to ensure that the cofferdam does not disrupt the natural flow of water or cause flooding in adjacent areas.Furthermore, the construction of a forward cofferdam involves a series of steps that require meticulous attention to detail. First, engineers must conduct thorough site assessments to determine the most suitable location for the cofferdam. Once the site is approved, construction begins with the installation of sheet piles or other barriers to create the cofferdam structure. After the structure is in place, pumps are used to remove water from the enclosed area, allowing for dry conditions to prevail.In conclusion, the concept of a forward cofferdam is crucial in the field of civil engineering, particularly for projects involving water bodies. It provides a safe and efficient working environment while also addressing environmental concerns. As technology advances, the methods and materials used in constructing forward cofferdams will likely continue to evolve, leading to even more effective solutions for underwater construction challenges. Understanding this term and its applications is essential for anyone involved in construction and engineering fields.

在土木工程和建筑领域，术语前置围堰在确保水下项目的安全和效率方面发挥着重要作用。围堰本质上是一种临时结构，旨在阻挡水流并为施工活动创造一个干燥的工作环境。而前置围堰特指设置在主要施工区域前方的围堰，使工人能够安全地进入现场而不受水的干扰。这种技术在桥梁建设、坝体修建或任何水下挖掘工作中尤其有用。使用前置围堰可以大大提高项目的整体工作效率。通过创建一个干燥的工作区，它使施工团队能够更安全、更高效地操作。例如，在河流上建造桥梁时，前置围堰会安装在施工现场的上游。这允许工人在没有水位上升或强水流干扰的情况下安装基础和桥墩。此外，安装前置围堰也有助于减轻对环境的影响。通过管理水流，施工团队可以最小化沉积物的位移，并保护水生生态系统。这在栖息有濒危物种或水体对当地生物多样性至关重要的地区尤为重要。然而，设计和建造前置围堰并非没有挑战。工程师必须考虑各种因素，例如水压、土壤条件和潜在的天气影响，来设计这些结构。所使用的材料必须足够坚固，以承受水施加的力量，同时保持成本效益。此外，需要进行仔细的规划，以确保围堰不会干扰水的自然流动或导致邻近地区的洪水。此外，建造前置围堰涉及一系列需要细致关注的步骤。首先，工程师必须进行彻底的现场评估，以确定围堰最合适的位置。一旦现场获得批准，施工便开始进行，通过安装钢板桩或其他障碍物来建立围堰结构。在结构就位后，使用泵将封闭区域内的水抽走，从而保持干燥的条件。总之，前置围堰的概念在土木工程领域尤其是在涉及水体的项目中至关重要。它提供了一个安全且高效的工作环境，同时也解决了环境问题。随着技术的进步，构建前置围堰所使用的方法和材料可能会继续发展，从而为水下施工挑战提供更有效的解决方案。理解这个术语及其应用对于任何参与建筑和工程领域的人来说都是至关重要的。