论文部分内容阅读
近年来我国公路建设飞速发展,但是道路病害也日益增多,尤其是道路裂缝病害。现在就保津高速公路发生的一些裂缝病害成因、危害以及防治情况做一研究。道路裂缝形成的原因保津高速公路道路裂缝分为横向裂缝和纵向裂缝。通过五年多的观察研究,下边对这两种裂缝形成的原因进行分析。横向裂缝:保津高速公路的路基填土平均高度4.5米左右,道路基层为半钢性结构。由于这一承重层为高强度、
In recent years, the rapid development of highway construction in our country, but the road diseases are also increasing, especially road cracks. Now on the Baojin Expressway some of the causes of cracks, damage and prevention and treatment to do a study. The reason for the formation of road cracks Paul bound freeway road cracks are divided into horizontal and vertical cracks. Through more than five years of observational studies, the reasons for the formation of these two types of fractures are analyzed below. Horizontal cracks: Baojin Expressway embankment fill the average height of about 4.5 meters, the road grassroots semi-rigid structure. Because of this high-strength bearing layer,