crushed stone base course

简明释义

碎石块底盘

英英释义

例句

1.The durability of the pavement largely depends on the quality of the crushed stone base course underneath.

路面的耐久性在很大程度上取决于下面的碎石基础层的质量。

2.We used a geotextile fabric above the crushed stone base course to prevent soil migration.

我们在碎石基础层上使用了土工布，以防止土壤迁移。

3.The local regulations require a minimum thickness for the crushed stone base course in all new construction.

当地法规要求所有新建项目的碎石基础层必须达到最低厚度。

4.The contractor laid a thick layer of crushed stone base course to provide stability for the new road.

承包商铺设了厚厚一层碎石基础层以为新道路提供稳定性。

5.Before paving, it is essential to compact the crushed stone base course properly.

在铺设之前，正确压实碎石基础层是至关重要的。

作文

The construction of roads and pavements is a critical aspect of modern infrastructure, ensuring that we have reliable transportation networks. One of the essential components in the construction of these structures is the crushed stone base course. This layer serves as a foundational support for the surface materials, providing stability and strength to withstand the loads imposed by vehicles and pedestrians. The crushed stone base course (碎石基础层) consists of angular stones that are mechanically crushed and graded to create a uniform layer that can effectively distribute weight and prevent deformation over time.When constructing a road, the first step typically involves clearing the site and preparing the subgrade, which is the natural soil or rock layer beneath the road. Once the subgrade is ready, the next step is to lay down the crushed stone base course. This layer is crucial because it helps to mitigate issues related to moisture and soil movement. The drainage properties of the crushed stone base course (碎石基础层) allow water to flow through it easily, reducing the risk of water accumulation that could lead to structural failures.The thickness of the crushed stone base course can vary depending on the expected traffic loads and local conditions. Typically, it ranges from several inches to a foot or more. Engineers must carefully calculate the appropriate thickness to ensure that it meets the required specifications for durability and performance. Additionally, the quality of the crushed stone used is vital; it should be free of contaminants and composed of strong materials that can withstand the stresses placed upon it.Another significant advantage of using a crushed stone base course (碎石基础层) is its ability to provide a stable working platform for the construction of the upper layers, such as asphalt or concrete. This stability is essential for ensuring that the final road surface remains even and does not develop cracks or potholes over time. Furthermore, the interlocking nature of the angular stones in the crushed stone base course contributes to its load-bearing capacity, making it an ideal choice for heavy-duty applications.In addition to roads, the crushed stone base course is also widely used in the construction of parking lots, driveways, and other paved areas. Its versatility and effectiveness make it a popular choice among civil engineers and contractors. Moreover, the use of recycled crushed stone has become increasingly common, promoting sustainability in construction practices.In summary, the crushed stone base course (碎石基础层) plays a vital role in the construction and longevity of various infrastructure projects. Its ability to provide stability, effective drainage, and a solid foundation makes it indispensable in modern road construction. As we continue to develop our transportation networks, understanding the importance of components like the crushed stone base course will help us appreciate the complexities involved in creating safe and durable roads for future generations.

道路和人行道的建设是现代基础设施的关键方面，确保我们拥有可靠的交通网络。在这些结构的建设中，一个重要的组成部分是碎石基础层。这一层作为表面材料的基础支撑，提供稳定性和强度，以承受车辆和行人的负荷。碎石基础层由机械破碎和分级的角形石头组成，形成一个均匀的层，可以有效地分散重量，并防止随着时间的推移而变形。在建造道路时，第一步通常涉及清理现场并准备基底，即道路下方的自然土壤或岩石层。一旦基底准备就绪，下一步就是铺设碎石基础层。这一层至关重要，因为它有助于减轻与水分和土壤运动相关的问题。碎石基础层的排水特性允许水轻易流过，减少了水积聚的风险，从而可能导致结构故障。碎石基础层的厚度可以根据预期的交通负荷和当地条件而有所不同。通常，它的厚度从几英寸到一英尺不等。工程师必须仔细计算适当的厚度，以确保其满足耐久性和性能的要求。此外，使用的碎石质量至关重要；它应无污染物，并由能够承受施加在其上的压力的强材料组成。使用碎石基础层（碎石基础层）的另一个显著优势是，它能为上层的施工提供稳定的工作平台，如沥青或混凝土。这种稳定性对于确保最终的路面保持平整，不随时间发展出裂缝或坑洞至关重要。此外，碎石基础层中角形石头的互锁特性也有助于其承载能力，使其成为重型应用的理想选择。除了道路，碎石基础层还广泛用于停车场、车道和其他铺装区域的建设。其多功能性和有效性使其成为土木工程师和承包商的热门选择。此外，使用回收碎石的做法日益普遍，促进了建筑实践的可持续性。总之，碎石基础层（碎石基础层）在各种基础设施项目的建设和耐久性中发挥着至关重要的作用。它提供稳定性、有效排水和坚实基础的能力使其在现代道路建设中不可或缺。随着我们继续发展交通网络，理解像碎石基础层这样的组成部分的重要性将帮助我们欣赏创建安全和耐用道路所涉及的复杂性，为未来的世代服务。