arch gravity dam

简明释义

重力拱坝

英英释义

例句

1.The arch gravity dam 拱重力坝 in the valley has become a popular tourist attraction due to its impressive architecture.

山谷中的拱重力坝 拱重力坝因其令人印象深刻的建筑而成为热门旅游景点。

2.The design of the arch gravity dam 拱重力坝 allows it to use less material while still providing maximum strength.

拱重力坝 拱重力坝的设计使其在提供最大强度的同时使用更少的材料。

3.During heavy rainfall, the arch gravity dam 拱重力坝 played a crucial role in flood control.

在大雨期间，拱重力坝 拱重力坝在防洪中发挥了至关重要的作用。

4.Engineers chose an arch gravity dam 拱重力坝 design because it can withstand high water pressure effectively.

工程师选择了拱重力坝 拱重力坝设计，因为它能够有效抵御高水压。

5.The construction of the arch gravity dam 拱重力坝 was completed ahead of schedule, allowing the reservoir to fill sooner than expected.

这座拱重力坝 拱重力坝的建设提前完成，使得水库比预期更早蓄水。

作文

The construction of large water reservoirs has always been a significant engineering challenge. Among the various types of dams used, the arch gravity dam stands out due to its unique design and functionality. An arch gravity dam is a structure that combines the principles of both arch and gravity dams, utilizing the strength of arching to withstand the pressure of water while also relying on its weight to resist the forces acting upon it. This dual mechanism allows for a more efficient use of materials and provides enhanced stability in various geological conditions.One of the primary advantages of an arch gravity dam is its ability to efficiently transfer the load of water to the canyon walls or the surrounding terrain. The arch shape of the dam helps to distribute the hydrostatic pressure exerted by the water, allowing the structure to be thinner than traditional gravity dams, which require substantial mass to counteract the water's force. This not only reduces the amount of concrete needed but also minimizes the environmental impact during construction.Moreover, arch gravity dams are particularly suitable for narrow gorges and canyons where the topography allows for such designs. Their curved form enables them to handle high water pressures without the need for extensive foundations. This characteristic makes them ideal for locations with limited space and challenging geological conditions. For instance, many famous dams around the world, such as the Hoover Dam in the United States and the Kariba Dam in Zimbabwe, are designed as arch gravity dams, showcasing their effectiveness in harnessing water resources.In addition to their structural benefits, arch gravity dams also play a crucial role in water management and energy generation. These dams are often equipped with hydroelectric power stations that convert the kinetic energy of flowing water into electricity. As a result, they contribute significantly to renewable energy production, helping to reduce reliance on fossil fuels and combat climate change.However, constructing an arch gravity dam is not without challenges. Engineers must carefully assess the geological conditions of the site, including rock strength and seismic activity. Any miscalculations can lead to catastrophic failures, which have occurred in history due to inadequate design or unforeseen geological events. Therefore, thorough site investigations and advanced modeling techniques are essential in the planning stages of such projects.In conclusion, the arch gravity dam represents a remarkable achievement in civil engineering, combining efficiency, strength, and aesthetic appeal. Its ability to adapt to various environmental conditions while providing essential services such as water supply and hydroelectric power makes it a vital component of modern infrastructure. As we continue to face challenges related to water scarcity and energy demands, the role of arch gravity dams will undoubtedly become increasingly important in our efforts to create sustainable solutions for future generations.

大型水库的建设一直是一个重要的工程挑战。在各种类型的水坝中，拱重力坝因其独特的设计和功能而脱颖而出。拱重力坝是一种结合了拱坝和重力坝原理的结构，利用拱形的强度来承受水的压力，同时依靠其自身的重量抵抗作用于其上的力量。这种双重机制不仅有效利用了材料，还在各种地质条件下提供了增强的稳定性。拱重力坝的主要优点之一是能够高效地将水的负荷转移到峡谷的两侧或周围地形。坝体的拱形有助于分散水施加的静水压力，使得坝体可以比传统的重力坝更薄，因为后者需要大量的质量来抵消水的力量。这不仅减少了混凝土的需求，还最小化了施工过程中的环境影响。此外，拱重力坝特别适合狭窄的峡谷和山谷，地形允许这种设计。它们的弯曲形状使其能够处理高水压，而无需广泛的基础。这一特性使得它们在空间有限和地质条件复杂的地点成为理想选择。例如，世界上许多著名的水坝，如美国的胡佛水坝和津巴布韦的卡里巴水坝，都被设计为拱重力坝，展示了它们在利用水资源方面的有效性。除了结构上的优势，拱重力坝在水管理和能源生成中也发挥着至关重要的作用。这些水坝通常配备有水电站，将流动水的动能转化为电力。因此，它们对可再生能源的生产贡献显著，有助于减少对化石燃料的依赖，并应对气候变化。然而，建设拱重力坝并非没有挑战。工程师必须仔细评估现场的地质条件，包括岩石强度和地震活动。任何计算错误都可能导致灾难性的失败，这在历史上由于设计不足或不可预见的地质事件而发生过。因此，在此类项目的规划阶段，彻底的现场调查和先进的建模技术是必不可少的。总之，拱重力坝代表了土木工程的显著成就，结合了效率、强度和美学吸引力。它能够适应各种环境条件，同时提供水供应和水电等基本服务，使其成为现代基础设施的重要组成部分。随着我们继续面临与水资源短缺和能源需求相关的挑战，拱重力坝在我们努力为未来一代创造可持续解决方案方面的角色无疑将变得越来越重要。