retaining dam

简明释义

拦水坝

英英释义

例句

1.Engineers designed a large retaining dam to hold back the water from the nearby river.

工程师设计了一个大型的挡土坝来阻挡附近河流的水。

2.Local authorities conducted regular inspections of the retaining dam to ensure its integrity.

地方当局定期检查挡土坝以确保其完整性。

3.The retaining dam helps maintain the water level in the reservoir during dry seasons.

在干旱季节，挡土坝有助于维持水库的水位。

4.After heavy rainfall, the retaining dam was crucial in preventing flooding in the surrounding areas.

经过强降雨后，挡土坝在防止周边地区洪水方面至关重要。

5.The construction of the retaining dam was essential to prevent soil erosion in the valley.

建造挡土坝对于防止山谷中的土壤侵蚀至关重要。

作文

A retaining dam is a crucial structure in modern civil engineering, designed to hold back water and manage its flow for various purposes. The primary function of a retaining dam is to create a reservoir, which can be used for irrigation, drinking water supply, flood control, and hydroelectric power generation. These structures are essential in areas where natural water bodies are insufficient to meet human needs or where there is a risk of flooding. The construction of a retaining dam involves careful planning and execution. Engineers must consider factors such as the geological conditions of the site, the volume of water to be retained, and the potential environmental impact. The materials used for constructing a retaining dam can vary, but they often include concrete, earth, or rock fill. Each material has its advantages and disadvantages, depending on the specific requirements of the project.One of the most significant benefits of a retaining dam is its ability to regulate water flow. This regulation is vital for preventing downstream flooding during heavy rainfall or snowmelt. By controlling the release of water from the reservoir, a retaining dam can help maintain a steady water supply for agricultural and domestic use. Additionally, during dry periods, the stored water can be released gradually to support irrigation and other essential activities.However, the construction and maintenance of a retaining dam also come with challenges. One of the primary concerns is the potential for structural failure, which can lead to catastrophic flooding. Therefore, rigorous safety standards and regular inspections are necessary to ensure the integrity of the dam. Engineers must also be proactive in assessing the impact of climate change on water availability and the potential for extreme weather events that could affect the dam's operation.Moreover, the environmental implications of building a retaining dam cannot be overlooked. While these structures provide significant benefits, they can also disrupt local ecosystems and displace communities. It is crucial to conduct thorough environmental assessments before proceeding with the construction of a retaining dam. Mitigation measures should be implemented to minimize negative impacts on wildlife and habitats.In conclusion, a retaining dam plays a vital role in water management and resource conservation. Its ability to store and regulate water makes it an indispensable asset in many regions. However, it is essential to approach the design and construction of such structures with caution, considering both the benefits and the potential drawbacks. As we continue to face challenges related to water scarcity and climate change, the importance of sustainable practices in the construction and maintenance of retaining dams will only grow. By balancing human needs with environmental stewardship, we can ensure that these critical infrastructures serve their purpose without compromising the health of our ecosystems.

一个挡水坝是现代土木工程中至关重要的结构，旨在阻挡水流并管理其流动，以实现各种目的。挡水坝的主要功能是创建一个水库，可以用于灌溉、供饮用水、洪水控制和水力发电。这些结构在自然水体不足以满足人类需求或存在洪水风险的地区至关重要。建设挡水坝需要仔细的规划和执行。工程师必须考虑现场的地质条件、要保留的水量以及潜在的环境影响。构建挡水坝所使用的材料可能有所不同，但通常包括混凝土、土壤或岩石填料。每种材料都有其优缺点，具体取决于项目的特定要求。挡水坝的一个显著好处是其调节水流的能力。这种调节对于防止在强降雨或融雪期间下游洪水至关重要。通过控制从水库释放水的速度，挡水坝可以帮助维持农业和家庭用水的稳定供应。此外，在干旱时期，可以逐渐释放储存的水以支持灌溉和其他基本活动。然而，建设和维护挡水坝也面临挑战。主要关注之一是潜在的结构失效，这可能导致灾难性的洪水。因此，严格的安全标准和定期检查是确保大坝完整性所必需的。工程师还必须积极评估气候变化对水资源可用性及可能影响大坝运营的极端天气事件的影响。此外，建设挡水坝的环境影响不能被忽视。虽然这些结构提供了显著的好处，但它们也可能破坏当地生态系统并使社区迁移。在进行挡水坝的建设之前，进行彻底的环境评估至关重要。应实施减缓措施，以尽量减少对野生动物和栖息地的负面影响。总之，挡水坝在水管理和资源保护中发挥着至关重要的作用。其储存和调节水的能力使其成为许多地区不可或缺的资产。然而，在设计和建设此类结构时，必须小心谨慎，考虑到利益和潜在缺陷之间的平衡。随着我们继续面临与水资源短缺和气候变化相关的挑战，在建设和维护挡水坝时可持续实践的重要性只会增加。通过平衡人类需求与环境保护，我们可以确保这些关键基础设施在不损害生态系统健康的情况下发挥作用。