natural aggregate

简明释义

天然骨料

英英释义

例句

1.The construction company sourced its materials from local suppliers who provided high-quality natural aggregate.

这家建筑公司从当地供应商那里采购了高质量的天然骨料。

2.Environmental regulations often dictate the sourcing of natural aggregate to protect local ecosystems.

环境法规通常规定天然骨料的采购，以保护当地生态系统。

3.Recycling natural aggregate from demolished buildings can help reduce waste.

从拆除建筑物中回收天然骨料可以帮助减少废物。

4.Using natural aggregate in concrete can improve its durability and strength.

在混凝土中使用天然骨料可以提高其耐久性和强度。

5.The highway project required a significant amount of natural aggregate for the roadbed.

高速公路项目需要大量的天然骨料用于路基。

作文

In the field of construction and civil engineering, the term natural aggregate refers to materials that are sourced from nature without any significant alteration or processing. These materials, which include sand, gravel, and crushed stone, play a crucial role in the production of concrete and asphalt. Understanding the properties and uses of natural aggregate is essential for engineers and builders as they design structures that are both durable and sustainable.The primary sources of natural aggregate are riverbeds, lakes, and quarries. For instance, river gravel is often used due to its rounded shape and smooth texture, which enhance the workability of concrete. On the other hand, crushed stone, which is produced by mechanically breaking down larger rocks, provides strength and stability to various construction projects. The choice between using natural aggregate and manufactured aggregate depends on several factors, including availability, cost, and specific project requirements.One of the significant advantages of using natural aggregate is its environmental benefits. Since these materials are extracted directly from the earth, they require less energy to produce compared to synthetic alternatives. Additionally, using local natural aggregate reduces transportation emissions, contributing to a lower carbon footprint for construction projects. This aspect is increasingly important as the construction industry seeks to adopt more sustainable practices.However, the extraction of natural aggregate can have adverse environmental impacts if not managed properly. Over-extraction can lead to habitat destruction, water pollution, and increased erosion. Therefore, it is crucial for regulatory bodies and construction companies to implement sustainable practices when sourcing natural aggregate. This includes conducting environmental impact assessments, restoring mined areas, and ensuring that extraction methods do not harm local ecosystems.Moreover, the quality of natural aggregate can vary significantly based on its source. For example, aggregates from different geographical locations may have different mineral compositions, which can affect the strength and durability of the final concrete product. Engineers must carefully select natural aggregate based on its physical and chemical properties to ensure that it meets the necessary standards for their specific applications.In conclusion, natural aggregate is an essential component of modern construction, providing the materials needed for robust and reliable structures. Its natural origins offer environmental advantages, but responsible sourcing practices are necessary to mitigate potential ecological impacts. As the demand for sustainable construction continues to grow, understanding the role and implications of natural aggregate will be vital for engineers and builders alike. By prioritizing sustainability and quality in the use of natural aggregate, the construction industry can contribute to a more environmentally friendly future while still meeting the demands of society.

在建筑和土木工程领域，术语天然骨料指的是从自然中获取的材料，这些材料没有经过重大改动或加工。这些材料包括沙子、砾石和碎石，在混凝土和沥青的生产中起着至关重要的作用。理解天然骨料的特性和用途对于工程师和建筑商来说是必不可少的，因为他们设计的结构必须既耐用又可持续。天然骨料的主要来源是河床、湖泊和采石场。例如，河卵石由于其圆滑的形状和光滑的质地，常被用于混凝土中，增强了混凝土的可加工性。另一方面，碎石通过机械破碎较大岩石而产生，为各种建筑项目提供了强度和稳定性。在选择使用天然骨料还是人造骨料时，必须考虑多个因素，包括可获得性、成本和具体项目要求。使用天然骨料的一个显著优点是其环境效益。由于这些材料直接从地球中提取，与合成替代品相比，它们的生产所需能量更少。此外，使用当地的天然骨料可以减少运输排放，从而降低建筑项目的碳足迹。随着建筑行业寻求采用更可持续的做法，这一方面变得越来越重要。然而，如果管理不当，提取天然骨料可能会对环境造成不利影响。过度提取可能导致栖息地破坏、水污染和侵蚀加剧。因此，监管机构和建筑公司在获取天然骨料时，实施可持续实践至关重要。这包括进行环境影响评估、恢复开采区和确保开采方法不会对当地生态系统造成伤害。此外，天然骨料的质量可能因其来源而异。例如，来自不同地理位置的骨料可能具有不同的矿物成分，这会影响最终混凝土产品的强度和耐久性。工程师必须根据天然骨料的物理和化学特性仔细选择，以确保其符合特定应用的必要标准。总之，天然骨料是现代建筑的重要组成部分，提供了坚固可靠结构所需的材料。它的天然来源带来了环境优势，但负责任的采购实践对于减轻潜在的生态影响至关重要。随着对可持续建筑需求的不断增长，理解天然骨料的角色和影响对于工程师和建筑商来说将至关重要。通过在使用天然骨料时优先考虑可持续性和质量，建筑行业可以为更环保的未来做出贡献，同时满足社会的需求。