coarse ballast

简明释义

砂砾压载

英英释义

例句

1.The landscape architect recommended adding coarse ballast to the garden path for improved aesthetics.

景观设计师建议在花园小径中添加粗石料以改善美观性。

2.In railway engineering, coarse ballast is essential for stabilizing the tracks.

在铁路工程中，粗石料对于稳定轨道至关重要。

3.The contractor sourced high-quality coarse ballast from a local quarry for the project.

承包商从当地采石场采购了高质量的粗石料用于该项目。

4.The construction team decided to use coarse ballast for the foundation to ensure better drainage.

施工团队决定使用粗石料作为基础，以确保更好的排水。

5.Using coarse ballast in the drainage system helps prevent clogging.

在排水系统中使用粗石料有助于防止堵塞。

作文

In the construction and engineering fields, the term coarse ballast refers to the larger stones or aggregates used in various applications, particularly in railway and road construction. The primary function of coarse ballast is to provide stability and support to the structures built on top of it. For instance, in railway systems, coarse ballast is laid beneath the tracks to distribute the weight of the trains and prevent the tracks from shifting or sinking over time. This is crucial for maintaining safety and efficiency in transportation. The composition of coarse ballast typically includes crushed stone, gravel, or other durable materials that can withstand heavy loads and weather conditions. The size of the particles usually ranges from about 20 mm to 50 mm, allowing for effective drainage while providing a solid foundation. The use of coarse ballast not only supports the infrastructure but also facilitates water drainage, which is essential in preventing erosion and maintaining the integrity of the structure. When selecting coarse ballast, engineers must consider various factors such as the type of soil, climate conditions, and the load-bearing requirements of the structure. For example, in regions prone to heavy rainfall, the drainage capability of the coarse ballast becomes even more critical. In contrast, in dry areas, the focus may be on durability and resistance to cracking or breaking under pressure. The right choice of coarse ballast can significantly affect the longevity and performance of the construction project. Moreover, the environmental impact of sourcing coarse ballast should not be overlooked. The extraction of natural resources for ballast can lead to habitat destruction and other ecological issues. Therefore, many companies are now exploring sustainable alternatives, such as recycled materials, to minimize their carbon footprint while still achieving the necessary structural integrity. In summary, coarse ballast plays a vital role in construction, particularly in creating stable foundations for railways and roads. Its properties contribute to the overall durability and safety of the infrastructure. As the industry moves towards more sustainable practices, the future of coarse ballast may see innovations that balance performance with environmental responsibility. Understanding the significance of coarse ballast is essential for anyone involved in construction and engineering, as it directly impacts the quality and safety of built environments.

在建筑和工程领域，短语粗粒道砟指的是用于各种应用的大型石头或骨料，特别是在铁路和公路建设中。粗粒道砟的主要功能是为其上方建造的结构提供稳定性和支持。例如，在铁路系统中，粗粒道砟铺设在轨道下方，以分散火车的重量，并防止轨道随着时间的推移而移动或下沉。这对于维护交通的安全性和效率至关重要。粗粒道砟的组成通常包括碎石、砾石或其他耐用材料，这些材料能够承受重载和气候条件。颗粒的大小通常在20毫米到50毫米之间，允许有效排水，同时提供坚固的基础。使用粗粒道砟不仅支持基础设施，还促进水的排放，这对于防止侵蚀和维持结构的完整性至关重要。在选择粗粒道砟时，工程师必须考虑各种因素，例如土壤类型、气候条件和结构的承载要求。例如，在降雨量较大的地区，粗粒道砟的排水能力变得更加关键。相反，在干燥地区，重点可能放在耐用性和抵抗压力下开裂或破损的能力上。正确选择粗粒道砟可以显著影响建筑项目的寿命和性能。此外，获取粗粒道砟的环境影响也不容忽视。提取自然资源作为道砟可能导致栖息地破坏和其他生态问题。因此，许多公司现在正在探索可持续替代品，例如回收材料，以尽量减少其碳足迹，同时实现必要的结构完整性。总之，粗粒道砟在建筑中发挥着至关重要的作用，特别是在为铁路和公路创建稳定基础方面。它的特性有助于基础设施的整体耐久性和安全性。随着行业向更可持续的做法发展，粗粒道砟的未来可能会看到平衡性能与环境责任的创新。理解粗粒道砟的重要性对于任何参与建筑和工程的人来说都是必不可少的，因为它直接影响到建筑环境的质量和安全。