porous aggregate

简明释义

多孔集料

英英释义

例句

1.The porous aggregate allows water to flow through, reducing the risk of flooding during heavy rains.

该多孔骨料允许水流通过，减少了大雨期间洪水的风险。

2.The use of porous aggregate in road construction can improve the longevity of the pavement by allowing moisture to escape.

在道路建设中使用多孔骨料可以通过允许水分逸出，提高路面的耐久性。

3.In the manufacturing of lightweight concrete, porous aggregate is often preferred for its reduced weight.

在轻质混凝土的制造中，通常优先选择多孔骨料以降低重量。

4.Using porous aggregate in concrete can enhance its permeability, making it suitable for certain landscaping applications.

在混凝土中使用多孔骨料可以增强其渗透性，使其适合某些园艺应用。

5.The construction team decided to use porous aggregate for better drainage in the new parking lot.

施工团队决定使用多孔骨料以改善新停车场的排水。

作文

In the field of construction and material science, the term porous aggregate refers to a type of aggregate that possesses a significant amount of void space or pores within its structure. These aggregates are essential in various applications, particularly in concrete production, as they can influence the overall properties of the final product. The use of porous aggregate is becoming increasingly popular due to its numerous benefits, including improved insulation properties, reduced weight, and enhanced drainage capabilities.One of the primary advantages of using porous aggregate in concrete is its ability to reduce the density of the material. This is particularly important in applications where weight is a critical factor, such as in the construction of high-rise buildings or bridges. By incorporating porous aggregate, engineers can create lighter concrete mixes that still maintain the necessary strength and durability required for structural integrity.Moreover, the presence of pores within the porous aggregate allows for better thermal insulation. This characteristic is especially beneficial in regions with extreme temperatures, where maintaining indoor comfort is crucial. Buildings constructed with concrete containing porous aggregate can achieve better energy efficiency, leading to lower heating and cooling costs.Another significant benefit of porous aggregate is its enhanced drainage capabilities. In urban areas, managing stormwater runoff is a growing concern due to increased impervious surfaces. By utilizing porous aggregate in pavement systems, water can infiltrate through the surface and be absorbed into the ground, reducing the risk of flooding and erosion. This not only helps to protect the environment but also contributes to sustainable urban development.However, it is essential to consider the potential drawbacks of using porous aggregate. For instance, the presence of voids can lead to increased susceptibility to freeze-thaw cycles, which may compromise the longevity of the concrete. Additionally, if not properly managed, the porosity of the aggregate can result in higher water absorption, which could lead to issues such as efflorescence or spalling.To mitigate these challenges, engineers and material scientists are continuously researching and developing new methods to enhance the performance of porous aggregate. This includes experimenting with different types of materials, such as recycled aggregates or natural stones, to find the optimal balance between porosity and strength. Furthermore, advancements in concrete technology, such as the incorporation of additives and admixtures, can help improve the durability of concrete containing porous aggregate.In conclusion, the use of porous aggregate in construction offers various advantages that can significantly enhance the performance and sustainability of concrete structures. While there are challenges associated with its use, ongoing research and innovation in this field hold great promise for overcoming these obstacles. As the demand for sustainable building materials continues to grow, porous aggregate is likely to play an increasingly vital role in the future of construction and infrastructure development.

在建筑和材料科学领域，短语porous aggregate指的是一种具有显著空隙或孔隙的骨料。这些骨料在各种应用中至关重要，尤其是在混凝土生产中，因为它们可以影响最终产品的整体性能。由于其众多优点，包括改善绝缘性能、减轻重量和增强排水能力，使用porous aggregate的趋势日益增加。使用porous aggregate的主要优点之一是能够降低材料的密度。这在重量是关键因素的应用中尤为重要，例如在高层建筑或桥梁的建设中。通过加入porous aggregate，工程师可以创造出更轻的混凝土混合物，同时仍然保持结构完整性所需的强度和耐久性。此外，porous aggregate中的孔隙使其具有更好的热绝缘性。这一特性在极端气温的地区尤为有利，因为维持室内舒适度至关重要。使用含有porous aggregate的混凝土建造的建筑物可以实现更好的能源效率，从而降低供暖和制冷成本。porous aggregate的另一个显著优点是其增强的排水能力。在城市地区，由于不透水表面的增加，管理雨水径流成为日益严重的问题。通过在铺路系统中利用porous aggregate，水可以渗透到表面并被吸收到地下，从而减少洪水和侵蚀的风险。这不仅有助于保护环境，还促进了可持续的城市发展。然而，考虑到使用porous aggregate可能带来的缺点也很重要。例如，孔隙的存在可能导致对冻融循环的敏感性增加，从而影响混凝土的耐久性。此外，如果管理不当，骨料的多孔性可能导致更高的水吸收，这可能引发如白华或剥落等问题。为了减轻这些挑战，工程师和材料科学家不断研究和开发新方法，以增强porous aggregate的性能。这包括实验不同类型的材料，如再生骨料或天然石材，以找到孔隙率和强度之间的最佳平衡。此外，混凝土技术的进步，如添加剂和掺合料的使用，可以帮助提高含有porous aggregate的混凝土的耐久性。总之，在建筑中使用porous aggregate提供了各种优势，可以显著增强混凝土结构的性能和可持续性。尽管使用过程中存在挑战，但该领域的持续研究和创新对克服这些障碍充满希望。随着对可持续建筑材料需求的不断增长，porous aggregate在未来的建筑和基础设施发展中可能会发挥越来越重要的作用。