高等级公路水泥混凝土路面断裂破坏原因分析

Analysis of concrete pavement crack of high grade highway

阐述了高等级公路水泥混凝土路面断裂破坏的类型 ,从干缩应力、温度应力及荷载应力几个方面分析了水泥混凝土路面产生断裂破坏的原因 ,最后从材料、施工及设计角度提出了防止及减少混凝土路面断裂破坏的一些措施 .

Several crack types of concrete pavement of high grade highway are listed.It analyses the causes of concrete pavement crack in terms of dry contract stress, temperature stress and load stress.It also describes some measures on how to reduce concrete pavement crack on the basis of concrete material, construction and design.