张石高速三期设计总结及评价

Summary and Evaluation of Third-Phase Design about Zhangjiakou-Shijiazhuang Expressway

张石高速公路里程较长,所经地带有重山区、丘陵区和平原区,且路线影响区地质构造复杂。平面设计线位布设在阳坡,沿溪线、地势较缓的山腰线;纵断面线形与地形相适应。通车运营近两年,效果良好。

Zhangjiakou-Shijiazhuang Expressway has a long distance,there are mountains,hills and plains in the area,and zone affected by routes has complex geological structure.Graphic line laid on sunny hillside,along the streams,gentle terrain of mountainside.Profile alignment adapts to terrain.The traffic has been opened to for two years,which has achieved good offect.