aggregate base

简明释义

骨料基层

英英释义

例句

1.In pavement design, an aggregate base is essential for distributing loads evenly.

在路面设计中，集料基础对均匀分配荷载至关重要。

2.Proper compaction of the aggregate base is crucial for preventing settlement.

对集料基础进行适当压实对于防止沉降至关重要。

3.The city council approved the use of recycled materials in the aggregate base to promote sustainability.

市议会批准在集料基础中使用回收材料以促进可持续发展。

4.The construction team decided to use an aggregate base for the new road, ensuring better stability and drainage.

施工团队决定为新道路使用集料基础，以确保更好的稳定性和排水。

5.The aggregate base provides a solid foundation for the asphalt layer above.

集料基础为上面的沥青层提供了坚实的基础。

作文

In the field of civil engineering and construction, the term aggregate base refers to a specific type of material that is commonly used in the construction of roadways and pavements. An aggregate base consists of a mixture of crushed stone, gravel, or other granular materials that provide a stable foundation for the layers above it. The primary purpose of this layer is to distribute loads from traffic and prevent deformation of the surface. This is crucial because a well-constructed aggregate base can significantly extend the lifespan of a roadway while reducing maintenance costs over time.The composition of an aggregate base can vary depending on local materials and specific project requirements. Engineers often specify the size and gradation of the aggregates used, as well as the moisture content and compaction levels necessary for optimal performance. For instance, larger aggregates may be used for heavy-duty applications, while finer aggregates may be preferred for lighter traffic areas. This careful selection ensures that the aggregate base provides adequate support while allowing for proper drainage, which is vital to prevent water accumulation that could weaken the structure.Another important aspect of the aggregate base is its role in the overall drainage system of the pavement structure. A well-designed aggregate base allows water to flow through it, preventing hydrostatic pressure buildup beneath the pavement. This is essential because excess water can lead to erosion, cracking, and other forms of pavement distress. Therefore, engineers must consider the permeability of the materials used in the aggregate base as part of their design process.In addition to its physical properties, the environmental impact of using aggregate base materials is also a significant consideration. Many projects now emphasize the use of recycled materials in the aggregate base to reduce the consumption of natural resources. Recycled concrete and reclaimed asphalt pavement are examples of materials that can be effectively utilized in the aggregate base. These practices not only help conserve valuable resources but also contribute to sustainable construction practices by minimizing waste.Furthermore, the installation process of an aggregate base requires careful attention to detail. Proper grading and compaction techniques must be employed to ensure that the base is uniform and capable of supporting the intended loads. Failure to achieve the correct compaction can lead to settlement issues and premature failure of the pavement above. Therefore, construction teams must be trained and equipped to handle the installation of the aggregate base effectively.In conclusion, the aggregate base is a fundamental component in the construction of roadways and pavements. Its ability to provide stability, support, and drainage makes it indispensable in ensuring the longevity and durability of transportation infrastructure. As the industry continues to evolve, the focus on sustainable practices and innovative materials will likely shape the future of aggregate base design and application. Understanding the significance of this layer is essential for anyone involved in civil engineering and construction, as it lays the groundwork for safe and reliable transportation systems.

在土木工程和建筑领域，术语aggregate base指的是一种常用于道路和人行道建设的特定材料。aggregate base由碎石、砾石或其他颗粒材料的混合物组成，为其上方的层提供稳定的基础。这一层的主要目的是分散交通负荷，防止表面变形。这一点至关重要，因为一个良好构造的aggregate base可以显著延长道路的使用寿命，同时减少长期维护成本。aggregate base的组成可能因当地材料和特定项目要求而有所不同。工程师通常会指定所用集料的尺寸和级配，以及最佳性能所需的水分含量和压实水平。例如，重载应用可能会使用较大的集料，而轻型交通区域则可能更倾向于使用较细的集料。这种仔细选择确保了aggregate base能够提供足够的支撑，同时允许适当排水，这对于防止水积聚而削弱结构至关重要。aggregate base的另一个重要方面是其在路面结构整体排水系统中的作用。设计良好的aggregate base允许水流过，从而防止路面下方的水压积聚。这一点至关重要，因为过量的水会导致侵蚀、开裂和其他形式的路面损坏。因此，工程师在设计过程中必须考虑所用材料的渗透性。除了其物理特性外，使用aggregate base材料的环境影响也是一个重要考虑因素。许多项目现在强调在aggregate base中使用回收材料，以减少自然资源的消耗。回收混凝土和再生沥青路面就是可以有效利用于aggregate base的材料示例。这些做法不仅有助于保护宝贵资源，还通过减少废物来促进可持续建筑实践。此外，安装aggregate base的过程需要特别关注细节。必须采用正确的整平和压实技术，以确保基础均匀且能够支撑预期的负荷。未能实现正确的压实可能会导致沉降问题和上方路面的早期失效。因此，施工团队必须接受培训并具备有效处理aggregate base安装的能力。总之，aggregate base是道路和人行道建设中的基本组成部分。它在提供稳定性、支撑和排水方面的能力使其在确保交通基础设施的耐久性和持久性方面不可或缺。随着行业的不断发展，对可持续实践和创新材料的关注可能会塑造aggregate base设计和应用的未来。理解这一层的重要性对于任何参与土木工程和建筑的人来说都是必不可少的，因为它为安全可靠的交通系统奠定了基础。