horizontal curve

简明释义

水平曲线

英英释义

例句

1.Proper signage is essential before approaching a horizontal curve.

在接近水平曲线之前，适当的标志是必不可少的。

2.Engineers must consider the radius of the horizontal curve when planning highways.

工程师在规划高速公路时必须考虑水平曲线的半径。

3.The horizontal curve in the track requires special maintenance.

轨道中的水平曲线需要特别维护。

4.A sharp horizontal curve can increase the risk of accidents.

急剧的水平曲线可能会增加事故风险。

5.The road design includes a horizontal curve to improve vehicle flow.

道路设计包括一个水平曲线以改善车辆流动。

作文

When talking about road design and engineering, the term horizontal curve refers to a curved section of a road or track that changes direction horizontally. This is a critical aspect of transportation infrastructure because it directly affects vehicle dynamics, safety, and overall traffic flow. In the context of civil engineering, understanding how to design and implement horizontal curves is essential for creating safe and efficient roadways. In a typical roadway, straight sections are often interspersed with horizontal curves to accommodate the natural landscape and ensure smooth transitions for vehicles. These curves can vary in radius; sharper curves require lower speeds for safe navigation, while gentler curves allow for higher speeds. Engineers must carefully calculate the appropriate radius of a horizontal curve based on factors such as the expected speed limit, the type of vehicles using the road, and the surrounding environment. One of the primary concerns when designing horizontal curves is ensuring that they provide adequate sight distance for drivers. Sight distance is the length of road visible to a driver, which is crucial for making informed driving decisions. If a curve is too sharp and lacks sufficient sight distance, it can lead to dangerous situations where drivers cannot react in time to obstacles or other vehicles. Therefore, engineers often incorporate features such as superelevation, which is the banking of the roadway at a curve, to help counteract the lateral forces acting on a vehicle. This helps maintain stability and control, especially at higher speeds. Furthermore, the placement of signage and road markings is vital around horizontal curves. Clear and visible signs indicating the upcoming curve, along with recommended speed limits, can significantly enhance safety. Additionally, road markings can guide drivers through the curve, providing visual cues that help maintain proper lane discipline. The combination of these elements contributes to a well-designed roadway that minimizes the risk of accidents. In urban areas, horizontal curves can also play a role in traffic calming measures. By incorporating curves into the design of streets, engineers can naturally slow down traffic, making neighborhoods safer for pedestrians and cyclists. These designs not only improve safety but also enhance the aesthetic appeal of the area, creating a more pleasant environment for residents and visitors alike. In conclusion, the concept of horizontal curves is fundamental to the field of civil engineering and road design. It encompasses various factors, including vehicle dynamics, safety considerations, and aesthetic aspects. A well-designed horizontal curve can greatly enhance the driving experience, improve safety, and contribute to the overall functionality of the transportation network. As cities continue to grow and evolve, the importance of understanding and implementing effective horizontal curves will remain a key focus for engineers and planners alike.

当谈到道路设计和工程时，术语horizontal curve指的是改变方向的道路或轨道的曲线部分。这是交通基础设施的一个关键方面，因为它直接影响车辆动态、安全性和整体交通流。在土木工程的背景下，理解如何设计和实施horizontal curves对于创建安全和高效的道路至关重要。在典型的道路上，直线部分通常与horizontal curves交替出现，以适应自然景观并确保车辆的平稳过渡。这些曲线的半径可以有所不同；较尖锐的曲线需要较低的速度以安全通过，而较温和的曲线则允许更高的速度。工程师必须根据预期的限速、使用该道路的车辆类型以及周围环境等因素，仔细计算horizontal curve的适当半径。设计horizontal curves时，主要关注之一是确保提供足够的视距给驾驶员。视距是驾驶员可见的道路长度，这对于做出明智的驾驶决策至关重要。如果曲线过于尖锐且缺乏足够的视距，可能会导致危险情况，驾驶员无法及时对障碍物或其他车辆作出反应。因此，工程师通常会结合超高的设计，即在曲线处对道路进行倾斜，以帮助抵消作用于车辆的侧向力。这有助于保持稳定性和控制，尤其是在高速行驶时。此外，标志和路面标记在horizontal curves周围的设置至关重要。清晰可见的标志指示即将到来的曲线，以及建议的速度限制，可以显著增强安全性。此外，路面标记可以引导驾驶员通过曲线，提供视觉提示，帮助保持正确的车道纪律。这些元素的结合有助于设计出良好的道路，最大限度地减少事故风险。在城市地区，horizontal curves还可以在交通缓解措施中发挥作用。通过在街道设计中融入曲线，工程师可以自然减慢交通速度，使邻里对行人和骑自行车的人更安全。这些设计不仅提高了安全性，还增强了该地区的美观，创造了一个对居民和游客更愉快的环境。总之，horizontal curves的概念是土木工程和道路设计领域的基础。它涵盖了各种因素，包括车辆动态、安全考虑和美学方面。设计良好的horizontal curve可以极大地提升驾驶体验，提高安全性，并有助于交通网络的整体功能。随着城市的不断发展和演变，理解和实施有效的horizontal curves的重要性将始终是工程师和规划者的重点关注。