asphalt cement

简明释义

沥青膏

英英释义

例句

1.The contractor used asphalt cement to seal the cracks in the road.

承包商使用沥青水泥来密封道路上的裂缝。

2.The city decided to repave the streets using recycled asphalt cement.

市政府决定使用回收的沥青水泥重新铺设街道。

3.To ensure durability, the pavement was constructed with high-quality asphalt cement.

为了确保耐用性，路面是用高质量的沥青水泥建造的。

4.During the hot summer months, asphalt cement can become very soft.

在炎热的夏季，沥青水泥可能会变得非常软。

5.Proper mixing of aggregates with asphalt cement is crucial for road construction.

将骨料与沥青水泥正确混合对于道路建设至关重要。

作文

Asphalt is one of the most widely used materials in construction and paving. Among its various forms, asphalt cement is particularly significant. Asphalt cement refers to a viscous, black liquid that is primarily used as a binder in asphalt mixtures. It is derived from the distillation of crude oil and serves as an essential component in the production of asphalt concrete. This material is crucial for constructing roads, highways, and parking lots, providing a durable surface that can withstand heavy traffic and varying weather conditions.The properties of asphalt cement make it an ideal choice for paving applications. Its adhesive qualities allow it to bind aggregates together, creating a solid and stable surface. Additionally, asphalt cement has excellent waterproofing capabilities, which helps prevent water from penetrating the pavement and causing damage. This is particularly important in regions with heavy rainfall or freeze-thaw cycles, where moisture can lead to cracks and potholes.In the construction industry, understanding the different grades of asphalt cement is essential. There are various grades based on viscosity and temperature susceptibility, which influence how the material performs under different conditions. For instance, a higher grade of asphalt cement may be used in warmer climates where the pavement is exposed to higher temperatures, while a lower grade might be more suitable for colder regions.The process of mixing asphalt cement with aggregates is also crucial. The right proportions must be maintained to ensure the mixture achieves the desired strength and durability. Too much asphalt cement can lead to a soft pavement that deforms under heavy loads, while too little can result in a brittle surface that cracks easily. Therefore, engineers must carefully calculate the optimal mix design for each specific project.Furthermore, the environmental impact of asphalt cement is becoming increasingly important. The production and use of asphalt cement can contribute to greenhouse gas emissions, and there is a growing emphasis on finding sustainable alternatives. Innovations such as using recycled asphalt pavement (RAP) have emerged, allowing for the reuse of old materials in new projects. This not only reduces waste but also conserves resources and minimizes the carbon footprint associated with asphalt production.In conclusion, asphalt cement is a vital material in the construction industry, playing a key role in the durability and functionality of paved surfaces. Its unique properties make it an excellent binder for aggregates, ensuring that roads and highways can withstand the rigors of daily use. As the industry evolves, it is essential to continue exploring sustainable practices and innovations related to asphalt cement to minimize environmental impacts while maintaining high-quality infrastructure. Understanding the characteristics and applications of asphalt cement will help pave the way for effective and responsible construction practices in the future.

沥青是建筑和铺路中最广泛使用的材料之一。在其各种形式中，沥青水泥尤其重要。沥青水泥指的是一种粘稠的黑色液体，主要用作沥青混合物中的粘合剂。它是通过原油蒸馏而得，是沥青混凝土生产中的重要组成部分。这种材料对于道路、高速公路和停车场的建设至关重要，提供了能够承受重型交通和各种天气条件的耐用表面。沥青水泥的特性使其成为铺路应用的理想选择。它的粘附特性使其能够将骨料粘合在一起，形成坚固稳定的表面。此外，沥青水泥具有优良的防水能力，有助于防止水分渗透到路面中并造成损害。这在降雨量大的地区或存在冻融循环的地方尤其重要，因为水分会导致裂缝和坑洞。在建筑行业，了解不同等级的沥青水泥至关重要。根据粘度和温度敏感性有各种等级，这影响着材料在不同条件下的表现。例如，在高温气候中，可能会使用较高等级的沥青水泥，而在寒冷地区则可能更适合使用较低等级的沥青水泥。将沥青水泥与骨料混合的过程同样至关重要。必须保持正确的比例，以确保混合物达到所需的强度和耐久性。过多的沥青水泥可能导致路面过软，在重载下变形，而过少则可能导致表面脆弱，容易开裂。因此，工程师必须仔细计算每个具体项目的最佳混合设计。此外，沥青水泥的环境影响也越来越重要。沥青水泥的生产和使用可能导致温室气体排放，越来越强调寻找可持续替代品。诸如使用再生沥青路面（RAP）等创新方案已经出现，允许在新项目中重复使用旧材料。这不仅减少了废物，还节约了资源，最小化了与沥青生产相关的碳足迹。总之，沥青水泥是建筑行业的重要材料，在铺设表面的耐久性和功能性方面发挥着关键作用。其独特的特性使其成为骨料的优秀粘合剂，确保道路和高速公路能够承受日常使用的严酷考验。随着行业的发展，继续探索与沥青水泥相关的可持续实践和创新，以最小化环境影响，同时保持高质量基础设施，将是至关重要的。理解沥青水泥的特性和应用将有助于为未来有效和负责任的建设实践铺平道路。