hard asphalt

简明释义

硬沥青沥青分

英英释义

例句

1.Bicyclists prefer paths made of hard asphalt because they provide a smooth ride.

骑自行车的人更喜欢用硬沥青铺成的小径，因为它们提供了平滑的骑行体验。

2.The new highway was built with hard asphalt to withstand heavy truck traffic.

新高速公路采用硬沥青建造，以承受重型卡车的交通。

3.During the summer, the hard asphalt can become extremely hot and uncomfortable for pedestrians.

夏天时，硬沥青会变得非常热，让行人感到不适。

4.The city decided to repave the roads with hard asphalt to improve durability.

市政府决定用硬沥青重新铺设道路，以提高耐久性。

5.The construction crew mixed aggregates with hard asphalt to create a robust surface for the parking lot.

施工队将骨料与硬沥青混合，以为停车场创造一个坚固的表面。

作文

The world we live in is built upon a myriad of materials, each serving a unique purpose. One of the most common yet often overlooked materials is asphalt. Specifically, the term hard asphalt refers to a type of asphalt that is particularly dense and durable, making it ideal for various construction projects. This material is not only used in road paving but also in roofing and other applications where strength and longevity are required. The properties of hard asphalt make it a preferred choice for highways and busy urban streets where heavy traffic is a daily occurrence.Understanding hard asphalt involves recognizing its composition and the science behind its durability. Typically, asphalt is a mixture of aggregates, binder, and filler. The binder, which is often a petroleum product, plays a crucial role in determining the hardness of the asphalt. When the binder is heated and mixed with aggregates, it forms a cohesive substance that can withstand significant pressure and wear. The addition of specific additives can enhance the properties of hard asphalt, making it even more resilient against environmental factors such as extreme temperatures and heavy rainfall.In urban planning, the use of hard asphalt is essential for maintaining infrastructure. Roads made from this material can last for several years without requiring extensive repairs. This durability translates into cost savings for municipalities, as they do not need to frequently replace or repair roads. Furthermore, hard asphalt provides a smooth surface for vehicles, which enhances safety and driving comfort. The smoothness of the surface reduces wear on tires and improves fuel efficiency, making it an environmentally friendly option as well.However, the benefits of hard asphalt go beyond just its physical characteristics. The environmental impact of asphalt production and disposal is an ongoing concern. While asphalt is recyclable, the process of producing new asphalt can emit greenhouse gases and contribute to pollution. Therefore, many cities are exploring sustainable alternatives and recycling methods to mitigate these effects. By reusing old asphalt to create hard asphalt, communities can reduce waste and lower their carbon footprint.Moreover, the aesthetic appeal of hard asphalt should not be underestimated. As cities evolve, there is a growing interest in creating visually appealing public spaces. The dark, sleek appearance of hard asphalt can enhance the overall look of urban environments, especially when combined with landscaping and thoughtful design. This material can be seen in parks, bike paths, and pedestrian walkways, contributing to a city's charm while serving a functional purpose.In conclusion, hard asphalt is a vital component of modern infrastructure. Its durability, cost-effectiveness, and aesthetic qualities make it an indispensable material in construction. As we move forward, it is crucial to balance the benefits of hard asphalt with its environmental impact, ensuring that we create sustainable urban spaces for future generations. Understanding and utilizing hard asphalt wisely will help us build not only stronger roads but also healthier communities.

我们生活的世界是建立在无数材料之上的，每种材料都有其独特的用途。其中一种最常见但常常被忽视的材料是沥青。具体来说，术语硬沥青指的是一种特别致密和耐用的沥青类型，使其非常适合各种建筑项目。这种材料不仅用于道路铺设，还用于屋顶和其他需要强度和耐久性的应用。硬沥青的特性使其成为高速公路和繁忙城市街道的首选，因为这些地方每天都要承受重型交通。理解硬沥青涉及认识其组成和耐久性的科学。通常，沥青是由骨料、粘合剂和填料混合而成。粘合剂，通常是石油产品，在决定沥青的硬度方面起着至关重要的作用。当粘合剂被加热并与骨料混合时，它形成了一种能够承受显著压力和磨损的粘合物。添加特定的添加剂可以增强硬沥青的特性，使其对极端温度和强降雨等环境因素更加耐用。在城市规划中，使用硬沥青对于维护基础设施至关重要。由这种材料制成的道路可以持续多年而无需进行大规模修复。这种耐用性为市政当局节省了成本，因为他们不需要频繁更换或修理道路。此外，硬沥青提供了一个平滑的车辆行驶表面，提高了安全性和驾驶舒适性。表面的平滑度减少了轮胎的磨损，并提高了燃油效率，使其成为一种环保的选择。然而，硬沥青的好处不仅仅在于其物理特性。沥青生产和处置的环境影响是一个持续关注的问题。虽然沥青是可回收的，但生产新沥青的过程可能会排放温室气体并导致污染。因此，许多城市正在探索可持续替代方案和回收方法，以减轻这些影响。通过重新利用旧沥青来制造硬沥青，社区可以减少废物并降低碳足迹。此外，硬沥青的美学吸引力也不容小觑。随着城市的发展，人们越来越关注创造视觉上吸引人的公共空间。硬沥青的深色光滑外观可以增强城市环境的整体外观，尤其是与景观设计和周到的设计相结合时。这种材料可以在公园、自行车道和人行道中看到，为城市的魅力做出贡献，同时发挥功能性作用。总之，硬沥青是现代基础设施的重要组成部分。它的耐久性、成本效益和美学特性使其成为建筑中不可或缺的材料。随着我们的前进，平衡硬沥青的好处与其环境影响至关重要，确保我们为未来几代人创造可持续的城市空间。明智地理解和利用硬沥青将帮助我们不仅建立更坚固的道路，还建立更健康的社区。