manufactured sand

简明释义

人工砂

英英释义

例句

1.In regions where natural sand is scarce, manufactured sand serves as a sustainable alternative.

在天然砂稀缺的地区，人造砂作为一种可持续的替代品。

2.The local government has started promoting the use of manufactured sand to reduce environmental impact.

当地政府已开始推广使用人造砂以减少对环境的影响。

3.Many builders prefer manufactured sand due to its consistent grading and cleanliness.

许多建筑商更喜欢人造砂，因为它的级配一致且干净。

4.Using manufactured sand in concrete can enhance its strength and durability.

在混凝土中使用人造砂可以增强其强度和耐久性。

5.The construction company decided to use manufactured sand for the new highway project, as it provides better quality than natural sand.

建筑公司决定在新的高速公路项目中使用人造砂，因为它提供的质量优于天然砂。

作文

In recent years, the construction industry has been facing a significant challenge: the depletion of natural sand resources. As urbanization continues to rise and infrastructure projects expand, the demand for sand has skyrocketed. This has led to environmental concerns and illegal mining practices in many parts of the world. To address this issue, the concept of manufactured sand (人造砂) has emerged as a viable alternative. Manufactured sand is produced by crushing rocks and stones into smaller particles that can be used in concrete and asphalt production. This process not only provides a sustainable source of material but also helps in reducing the strain on natural sand deposits.The production of manufactured sand involves several steps. First, large rocks are extracted from quarries or mines and then fed into crushers, where they are broken down into smaller fragments. These fragments are then screened to ensure uniformity in size, which is crucial for maintaining the quality of concrete. The resulting product is a granular material that closely resembles natural sand in terms of shape and texture.One of the key benefits of using manufactured sand is its consistency. Unlike natural sand, which can vary greatly in size and composition, manufactured sand can be engineered to meet specific standards and requirements. This makes it an ideal choice for high-performance concrete applications, where precision and reliability are paramount. Furthermore, manufactured sand can be produced in various grades, allowing construction companies to select the most suitable type for their projects.Another advantage of manufactured sand is its environmental impact. By utilizing crushed stone and rock, we can significantly reduce the need for sand dredging and mining, which often leads to habitat destruction and soil erosion. Additionally, the use of manufactured sand can contribute to a circular economy, as it encourages the recycling of materials and minimizes waste. This aligns with global sustainability goals and promotes responsible resource management.Despite these benefits, there are challenges associated with the adoption of manufactured sand. Some engineers and contractors remain skeptical about its performance compared to natural sand. Concerns regarding the workability of concrete and the long-term durability of structures have been raised. However, numerous studies have demonstrated that when properly processed, manufactured sand can perform equally well, if not better, than its natural counterpart. It is essential for industry stakeholders to conduct thorough research and testing to dispel these myths and promote the use of manufactured sand in construction.In conclusion, the increasing demand for sand in the construction industry presents a pressing challenge that requires innovative solutions. The adoption of manufactured sand offers a promising alternative that not only meets the needs of builders but also addresses environmental concerns. As the industry continues to evolve, it is crucial for engineers, architects, and policymakers to collaborate and explore the potential of manufactured sand as a sustainable building material. By embracing this alternative, we can pave the way for a more sustainable future in construction, ensuring that our natural resources are preserved for generations to come.

近年来，建筑行业面临着一个重大挑战：自然砂资源的枯竭。随着城市化的不断加速和基础设施项目的扩展，对砂的需求急剧上升。这导致了许多地方环境问题和非法采砂行为的产生。为了解决这一问题，人造砂的概念应运而生，成为一种可行的替代方案。人造砂是通过将岩石和石头破碎成较小颗粒而生产的，这些颗粒可以用于混凝土和沥青的生产。这个过程不仅提供了可持续的材料来源，还帮助减少了对天然砂存量的压力。人造砂的生产涉及几个步骤。首先，从采石场或矿山提取大型岩石，然后将其送入破碎机，在那里被破碎成较小的碎片。这些碎片随后经过筛选，以确保尺寸的一致性，这对维持混凝土的质量至关重要。最终产品是一种颗粒状材料，其形状和纹理与天然砂非常相似。使用人造砂的一个主要好处是其一致性。与可能在大小和成分上有很大差异的天然砂不同，人造砂可以被设计成满足特定标准和要求。这使其成为高性能混凝土应用的理想选择，在这些应用中，精确性和可靠性是至关重要的。此外，人造砂可以生产各种等级，使建筑公司能够为其项目选择最合适的类型。人造砂的另一个优点是其环境影响。通过利用破碎的石头和岩石，我们可以显著减少对砂的挖掘和采矿的需求，这通常会导致栖息地破坏和土壤侵蚀。此外，使用人造砂可以促进循环经济，因为它鼓励材料的回收利用并最小化废物。这与全球可持续发展目标相一致，并促进负责任的资源管理。尽管有这些好处，但采用人造砂也面临挑战。一些工程师和承包商对其性能相对于天然砂持怀疑态度。关于混凝土的可加工性和结构的长期耐久性的问题被提出。然而，许多研究表明，当正确处理时，人造砂的性能可以与其天然对手相当，甚至更好。行业利益相关者进行彻底的研究和测试以消除这些误解并促进人造砂在建筑中的使用至关重要。总之，建筑行业对砂的需求日益增加，提出了一个紧迫的挑战，需要创新解决方案。采用人造砂提供了一种有前景的替代方案，不仅满足了建筑商的需求，还解决了环境问题。随着行业的不断发展，工程师、建筑师和政策制定者之间的合作探索人造砂作为可持续建筑材料的潜力至关重要。通过接受这一替代方案，我们可以为建筑的可持续未来铺平道路，确保我们的自然资源得以为后代保留。