asphalt pavement structure

简明释义

地沥青路面结构

英英释义

例句

1.The city plans to upgrade its asphalt pavement structure to improve road safety.

该市计划升级其沥青路面结构以提高道路安全性。

2.Regular inspections can help identify problems in the asphalt pavement structure early.

定期检查可以帮助及早发现沥青路面结构中的问题。

3.Proper drainage is essential for maintaining the integrity of the asphalt pavement structure.

适当的排水对于维护沥青路面结构的完整性至关重要。

4.The durability of the asphalt pavement structure is crucial for high-traffic roads.

高交通量道路的沥青路面结构耐久性至关重要。

5.Engineers must assess the asphalt pavement structure before any repairs are made.

工程师在进行任何修复之前，必须评估沥青路面结构。

作文

The term asphalt pavement structure refers to the layered composition of materials used in the construction of roads and highways. This structure is essential for providing a smooth and durable surface that can withstand the stresses imposed by traffic loads, weather conditions, and other environmental factors. Understanding the asphalt pavement structure is crucial for engineers and planners who aim to create safe and efficient transportation systems.At its core, the asphalt pavement structure consists of several key layers, each serving a specific purpose. The top layer, known as the wearing course, is made of asphalt concrete and provides the driving surface. This layer is designed to resist wear from vehicle tires, prevent skidding, and offer a level of noise reduction. Beneath this, the binder layer acts as a transition between the wearing course and the base layer, ensuring proper load distribution and enhancing the overall durability of the pavement.The base layer, typically composed of crushed stone or gravel, plays a critical role in supporting the weight of traffic and distributing loads to the subgrade, which is the natural soil or rock beneath the pavement. The asphalt pavement structure must be carefully designed to accommodate the expected traffic volume and types of vehicles that will use the road. Engineers analyze factors such as traffic patterns, load-bearing capacity, and environmental conditions to determine the appropriate thickness and materials for each layer.One of the significant advantages of using an asphalt pavement structure is its ability to be repaired and maintained relatively easily compared to other pavement types. When surface damage occurs, such as cracking or potholes, maintenance crews can quickly apply patching materials or resurfacing techniques to restore the pavement's functionality. This flexibility not only extends the lifespan of the pavement but also reduces long-term costs associated with road repairs.Furthermore, advances in technology have led to the development of various types of asphalt mixes that enhance the performance of the asphalt pavement structure. For instance, warm mix asphalt allows for lower production temperatures, reducing energy consumption and emissions during the paving process. Additionally, recycled asphalt pavement (RAP) can be incorporated into new mixes, promoting sustainability and reducing waste.In conclusion, the asphalt pavement structure is a vital component of modern infrastructure, playing a key role in ensuring safe and efficient transportation. Its layered design, ease of maintenance, and adaptability to technological advancements make it a preferred choice for road construction worldwide. By understanding the intricacies of the asphalt pavement structure, engineers can continue to innovate and improve our roadways, ultimately contributing to better mobility and enhanced safety for all road users.

短语asphalt pavement structure指的是用于道路和高速公路建设的材料层次组成。这种结构对于提供一个光滑且耐用的表面至关重要，能够承受交通负荷、天气条件和其他环境因素带来的压力。理解asphalt pavement structure对工程师和规划者来说至关重要，因为他们旨在创建安全有效的交通系统。在其核心，asphalt pavement structure由几个关键层次组成，每个层次都有特定的功能。顶部层称为磨耗层，由沥青混凝土制成，提供驾驶表面。该层旨在抵抗车辆轮胎的磨损、防止打滑，并提供一定程度的噪音减少。在此之下，粘结层作为磨耗层和基础层之间的过渡，确保适当的负载分配并增强整体耐久性。基础层通常由碎石或砾石组成，在支撑交通重量和将负荷分配到下面的土基（自然土壤或岩石）方面发挥关键作用。asphalt pavement structure必须经过精心设计，以适应预期的交通量和使用道路的车辆类型。工程师分析交通模式、承载能力和环境条件等因素，以确定每层的适当厚度和材料。使用asphalt pavement structure的一个显著优势是，与其他类型的路面相比，其维修和维护相对容易。当表面出现损坏，如开裂或坑洞时，维护人员可以迅速应用修补材料或重铺技术来恢复路面的功能。这种灵活性不仅延长了路面的使用寿命，还减少了与道路维修相关的长期成本。此外，技术的进步导致开发出各种改进asphalt pavement structure性能的沥青混合物。例如，温拌沥青允许较低的生产温度，从而减少铺设过程中的能源消耗和排放。此外，回收沥青路面（RAP）可以被纳入新的混合物中，促进可持续发展并减少废物。总之，asphalt pavement structure是现代基础设施的重要组成部分，在确保安全高效的交通方面发挥着关键作用。其分层设计、维护方便性以及对技术进步的适应性，使其成为全球道路建设的首选。通过理解asphalt pavement structure的复杂性，工程师可以继续创新和改善我们的道路，最终为所有道路使用者提供更好的流动性和增强的安全性。