asphalt concrete

简明释义

地沥青混凝土

英英释义

例句

1.During the construction, workers had to mix asphalt concrete in large quantities.

在施工期间，工人们需要大量混合沥青混凝土。

2.The contractor recommended asphalt concrete for the parking lot due to its strength.

承包商推荐在停车场使用沥青混凝土，因为它的强度。

3.Using asphalt concrete can reduce noise levels on busy streets.

使用沥青混凝土可以降低繁忙街道上的噪音水平。

4.The city decided to repair the old highway using asphalt concrete for a smoother ride.

市政府决定使用沥青混凝土修复老高速公路，以提供更平稳的驾驶体验。

5.The new road was paved with asphalt concrete to ensure durability.

新道路用沥青混凝土铺成，以确保耐用性。

作文

Asphalt concrete, commonly referred to as asphalt, is a versatile and widely used material in road construction and maintenance. It consists of a mixture of aggregates, such as sand and gravel, combined with a binder called asphalt cement. This combination results in a durable surface that can withstand heavy traffic loads and various weather conditions. The use of asphalt concrete (沥青混凝土) has revolutionized the way we build and maintain our roads, making them safer and more efficient for transportation.One of the primary advantages of asphalt concrete (沥青混凝土) is its ability to be recycled. As environmental concerns continue to grow, the construction industry has sought sustainable practices. Reclaimed asphalt pavement (RAP) can be reused in new asphalt concrete (沥青混凝土) mixes, reducing waste and conserving natural resources. This recycling process not only minimizes the environmental impact but also lowers the cost of materials, making it an economically viable option for many projects.The production of asphalt concrete (沥青混凝土) involves heating the asphalt binder and mixing it with aggregates at high temperatures. This process ensures that the materials bond effectively, resulting in a strong and resilient pavement. Moreover, the flexibility of asphalt concrete (沥青混凝土) allows it to expand and contract with temperature changes, which helps prevent cracking and other forms of damage over time.In addition to its durability, asphalt concrete (沥青混凝土) offers excellent skid resistance, which is crucial for maintaining vehicle safety on roads. The texture of the surface can be adjusted during the mixing process to enhance grip, particularly in wet conditions. This feature makes asphalt concrete (沥青混凝土) a preferred choice for highways, city streets, and airport runways.Another important aspect of asphalt concrete (沥青混凝土) is its relatively quick installation process. Unlike concrete pavements, which require longer curing times, asphalt concrete (沥青混凝土) can be laid and opened to traffic within hours. This efficiency not only minimizes disruptions to traffic flow but also reduces labor costs associated with construction projects.Despite its numerous benefits, there are challenges associated with the use of asphalt concrete (沥青混凝土). For instance, it is susceptible to softening in extremely high temperatures, which can lead to ruts and deformations. Additionally, the performance of asphalt concrete (沥青混凝土) can be affected by the quality of materials used and the skill of the workers involved in the installation process. Therefore, proper planning and execution are essential to ensure the longevity and effectiveness of asphalt concrete (沥青混凝土) pavements.In conclusion, asphalt concrete (沥青混凝土) plays a crucial role in modern infrastructure, providing a reliable and efficient solution for roadways. Its recyclability, durability, and quick installation make it a favored choice among engineers and contractors. As we continue to seek environmentally friendly and cost-effective building materials, the importance of asphalt concrete (沥青混凝土) will only increase in the coming years. Understanding its properties and applications will help us appreciate the significance of this material in our daily lives and its contribution to the development of safer and more sustainable transportation systems.