Abstract
In cold regions, road surface is under the conditions of long winter, low temperature and heavy snow, they can't provide enough friction so that speed and safety of vehicles on the section of the curve of are not guaranteed. The paper focuses on the phenomenon that road adhesion coefficient decreases in the winter of cold regions, analyzes the outside brake forces of vehicles when turning on level road surface, and establishes the model of superelevation circular curve, then measures data to determine the structure of the vehicle, speed, adhesion coefficient, sight distance, braking time and other parameters, decides theoretical security design specifications values of circular curve by simulation methods, finally gives the recommended radius values of superelevation circular curve in consider of driving comfort, which provides a frame of reference for horizontal alignment of the road in cold regions.
| Original language | English |
|---|---|
| Pages (from-to) | 64-67 |
| Number of pages | 4 |
| Journal | Wuhan Ligong Daxue Xuebao/Journal of Wuhan University of Technology |
| Volume | 33 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 2011 |
| Externally published | Yes |
Keywords
- Circular curve radius
- Cold regions
- Highway
- Superelevation route design
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