porous concrete

简明释义

多孔混凝土

英英释义

例句

1.Many cities are adopting porous concrete for their urban planning to enhance sustainability.

许多城市正在采用多孔混凝土进行城市规划，以增强可持续性。

2.The landscape architect recommended using porous concrete for the new park paths.

景观设计师建议在新公园的小径上使用多孔混凝土。

3.Builders often choose porous concrete for sidewalks to reduce puddling after rain.

建筑商通常选择多孔混凝土用于人行道，以减少雨后积水。

4.The use of porous concrete in driveways can help manage stormwater runoff effectively.

在车道中使用多孔混凝土可以有效管理雨水径流。

5.The parking lot was designed using porous concrete to facilitate water drainage.

停车场的设计使用了多孔混凝土以促进水的排放。

作文

In recent years, the construction industry has been increasingly focused on sustainable and environmentally friendly materials. One such material that has gained popularity is porous concrete, which is a unique type of concrete that allows water to pass through it. This characteristic makes porous concrete an excellent choice for various applications, particularly in urban areas where stormwater management is critical. The ability of porous concrete to absorb rainwater helps reduce runoff, thereby minimizing the risk of flooding and erosion. Moreover, it promotes groundwater recharge, which is essential for maintaining the natural water cycle.The composition of porous concrete differs from traditional concrete. It contains a higher proportion of coarse aggregates and a lower amount of fine aggregates, which creates voids within the material. These voids are what allow water to flow through the concrete. The porosity of porous concrete typically ranges from 15% to 30%, depending on the mix design and the size of the aggregates used. This high porosity not only facilitates drainage but also provides a lightweight alternative to conventional concrete, making it easier to handle and install.One of the most significant advantages of using porous concrete is its role in sustainable urban development. As cities continue to grow, the increase in impervious surfaces, such as asphalt and traditional concrete, leads to higher volumes of stormwater runoff. This runoff can overwhelm drainage systems, leading to flooding and water pollution. By incorporating porous concrete into pavements, parking lots, and sidewalks, cities can mitigate these issues. The permeable nature of porous concrete allows water to infiltrate the ground, reducing the burden on stormwater systems and promoting a healthier urban environment.Another benefit of porous concrete is its ability to improve the quality of water that reaches local waterways. As rainwater seeps through the concrete, it undergoes a natural filtration process. This filtration helps remove pollutants and debris, resulting in cleaner water entering the groundwater system. Additionally, porous concrete can be combined with other green infrastructure practices, such as bioswales and rain gardens, to create a comprehensive approach to stormwater management.Despite its many advantages, there are some challenges associated with the use of porous concrete. For instance, maintenance is crucial to ensure its longevity and effectiveness. Over time, the voids in porous concrete can become clogged with sediment and debris, which can reduce its permeability. Regular cleaning and maintenance are necessary to keep the surface functional. Additionally, porous concrete may not be suitable for all climates, particularly in regions with freeze-thaw cycles, as the water that infiltrates the concrete can freeze and cause damage.In conclusion, porous concrete represents a significant advancement in the construction industry, offering a sustainable solution to urban water management issues. Its ability to absorb and filter rainwater makes it an invaluable tool for reducing runoff and promoting groundwater recharge. While there are challenges to consider, the benefits of porous concrete far outweigh the drawbacks, making it a promising option for future construction projects. As we continue to seek ways to create more resilient and sustainable cities, porous concrete will undoubtedly play a vital role in shaping our urban landscapes.

近年来，建筑行业越来越关注可持续和环保材料。其中一种日益受到欢迎的材料是多孔混凝土，这是一种独特的混凝土类型，允许水通过。这一特性使得多孔混凝土成为各种应用的优秀选择，特别是在城市地区，雨水管理至关重要。多孔混凝土能够吸收雨水，有助于减少径流，从而降低洪水和侵蚀的风险。此外，它还促进地下水补给，这对于维持自然水循环至关重要。多孔混凝土的组成与传统混凝土不同。它含有更高比例的粗骨料和较少的细骨料，这在材料中形成了空隙。这些空隙正是允许水流通过混凝土的原因。多孔混凝土的孔隙率通常在15%到30%之间，具体取决于混合设计和所用骨料的大小。这种高孔隙率不仅促进排水，还提供了一种比传统混凝土更轻便的替代品，使其更易于处理和安装。使用多孔混凝土的一个重要优势是它在可持续城市发展中的作用。随着城市的不断发展，像沥青和传统混凝土这样的不透水表面的增加导致雨水径流量增加。这种径流可能会使排水系统不堪重负，从而导致洪水和水污染。通过将多孔混凝土纳入人行道、停车场和人行道，城市可以缓解这些问题。多孔混凝土的渗透性使水能够渗透到地下，减轻雨水系统的负担，促进更健康的城市环境。多孔混凝土的另一个好处是它能够改善流入当地水道的水质。当雨水渗透混凝土时，会经历自然过滤过程。这种过滤有助于去除污染物和杂物，从而使进入地下水系统的水更加干净。此外，多孔混凝土可以与其他绿色基础设施实践相结合，如生物沟和雨水花园，创造出全面的雨水管理方法。尽管有许多优点，但使用多孔混凝土也面临一些挑战。例如，维护对确保其耐久性和有效性至关重要。随着时间的推移，多孔混凝土中的空隙可能会被沉积物和杂物堵塞，从而降低其渗透性。定期清洁和维护是保持表面功能所必需的。此外，多孔混凝土可能不适合所有气候，特别是在经历冻融循环的地区，因为渗入混凝土的水可能会结冰并造成损害。总之，多孔混凝土代表了建筑行业的一项重大进步，为城市水管理问题提供了可持续的解决方案。它吸收和过滤雨水的能力使其成为减少径流和促进地下水补给的重要工具。尽管需要考虑一些挑战，但多孔混凝土的好处远远超过缺点，使其成为未来建筑项目的有前景选择。在我们继续寻求创造更具韧性和可持续性的城市的方法时，多孔混凝土无疑将在塑造我们的城市景观中发挥重要作用。