pavement design

简明释义

路面设计

英英释义

例句

1.The pavement design 路面设计 must consider local climate conditions to ensure longevity.

为了确保耐久性，pavement design 路面设计必须考虑当地气候条件。

2.The engineering team is focused on improving the pavement design 路面设计 for better durability.

工程团队专注于改善pavement design 路面设计以提高耐用性。

3.A comprehensive study was conducted on pavement design 路面设计 to enhance traffic flow.

进行了一项全面研究，以改善交通流量的pavement design 路面设计。

4.Understanding the principles of pavement design 路面设计 is essential for civil engineers.

理解pavement design 路面设计的原理对土木工程师至关重要。

5.The city council approved a new pavement design 路面设计 that incorporates eco-friendly materials.

市议会批准了一种新的pavement design 路面设计，采用环保材料。

作文

Pavement design is a crucial aspect of civil engineering that focuses on the structural design and construction of pavements for roads, highways, and other surfaces. The primary goal of pavement design (路面设计) is to provide a durable and safe surface for vehicles and pedestrians while minimizing maintenance costs over time. A well-designed pavement can significantly enhance the performance and longevity of a roadway, making it essential for urban planning and infrastructure development.One of the key considerations in pavement design (路面设计) is the type of materials used. Engineers must choose between flexible and rigid pavements, each with its advantages and disadvantages. Flexible pavements, typically made of asphalt, are designed to distribute loads over a larger area, allowing for some deflection under traffic loads. This flexibility helps absorb shocks and reduces the likelihood of cracking. On the other hand, rigid pavements, usually composed of concrete, are more stable and can support heavier loads without deformation. However, they are also more susceptible to cracking due to temperature changes and shrinkage.Another vital factor in pavement design (路面设计) is the analysis of traffic loads. Engineers must assess the expected traffic volume, vehicle types, and load frequencies to determine the appropriate pavement thickness and material. This analysis ensures that the pavement can withstand the stresses imposed by heavy vehicles, such as trucks and buses, while maintaining safety for lighter vehicles and pedestrians.The subgrade, or the soil layer beneath the pavement, plays a significant role in pavement design (路面设计). A strong and stable subgrade is essential for supporting the pavement structure. Engineers often conduct soil tests to evaluate the bearing capacity and drainage characteristics of the subgrade. If the soil is weak or prone to moisture retention, additional measures, such as soil stabilization or drainage systems, may be necessary to prevent pavement failure.Environmental factors also influence pavement design (路面设计). Regions with extreme temperatures, heavy rainfall, or freeze-thaw cycles require specific design considerations to ensure the pavement's durability. For example, in cold climates, engineers may incorporate features like drainage systems to prevent water accumulation, which can lead to frost heave and cracking.Sustainability is becoming increasingly important in pavement design (路面设计). Engineers are exploring the use of recycled materials, such as reclaimed asphalt pavement (RAP), to reduce environmental impact and resource consumption. Additionally, permeable pavements are gaining popularity as they allow water to infiltrate through the surface, reducing runoff and promoting groundwater recharge.In conclusion, pavement design (路面设计) is a multifaceted discipline that requires careful consideration of materials, traffic loads, subgrade conditions, environmental factors, and sustainability. A well-executed pavement design not only enhances the functionality and safety of roadways but also contributes to the overall efficiency of urban infrastructure. As cities continue to grow and evolve, the importance of effective pavement design (路面设计) will only increase, making it a vital area of focus for civil engineers and urban planners alike.

路面设计是土木工程中的一个关键方面，专注于道路、高速公路和其他表面的结构设计与施工。路面设计（pavement design）的主要目标是为车辆和行人提供耐用且安全的表面，同时尽量减少长期维护成本。设计良好的路面可以显著提高道路的性能和使用寿命，因此在城市规划和基础设施发展中至关重要。在路面设计（pavement design）中，一个关键考虑因素是所使用材料的类型。工程师必须在柔性路面和刚性路面之间进行选择，每种路面都有其优缺点。柔性路面通常由沥青制成，旨在将负载分布到更大的区域，从而在交通负载下允许一定的变形。这种灵活性有助于吸收冲击，并减少开裂的可能性。另一方面，刚性路面通常由混凝土构成，更加稳定，能够在没有变形的情况下支撑更重的负载。然而，它们也更容易因温度变化和收缩而开裂。在路面设计（pavement design）中，另一个重要因素是交通负载的分析。工程师必须评估预期的交通量、车辆类型和负载频率，以确定适当的路面厚度和材料。这种分析确保路面能够承受重型车辆（如卡车和公共汽车）施加的压力，同时保持轻型车辆和行人的安全。路基，即路面下方的土壤层，在路面设计（pavement design）中也起着重要作用。强大而稳定的路基对于支撑路面结构至关重要。工程师通常会进行土壤测试，以评估路基的承载能力和排水特性。如果土壤较弱或易于积水，则可能需要采取额外措施，例如土壤稳定或排水系统，以防止路面失效。环境因素也影响路面设计（pavement design）。在极端气候、降雨量大或冻融周期频繁的地区，需要特定的设计考虑，以确保路面的耐久性。例如，在寒冷气候中，工程师可能会加入排水系统等特征，以防止水分积聚，这可能导致霜胀和开裂。可持续性在路面设计（pavement design）中变得越来越重要。工程师正在探索使用回收材料，如再生沥青路面（RAP），以减少对环境的影响和资源消耗。此外，透水路面越来越受欢迎，因为它们允许水通过表面渗透，减少径流并促进地下水补给。总之，路面设计（pavement design）是一个多方面的学科，需要仔细考虑材料、交通负载、路基条件、环境因素和可持续性。执行良好的路面设计不仅能增强道路的功能性和安全性，还能促进城市基础设施的整体效率。随着城市的不断发展和演变，有效的路面设计（pavement design）将愈发重要，使其成为土木工程师和城市规划者关注的关键领域。