【摘要】 由于辽宁省特有的地理气候条件,夏季酷暑、冬季严寒以及沈大高速公路改扩建工程的特殊性,在底面层施工后,经过一个冬季的冻胀及自然沉降,局部路面产生不同程度的裂缝,本文结合沈大扩建工程对路面的裂缝产生的原因和处理措施进行分析和总结。更多还原

【Abstract】 Liaoning province has a peculiar geographical and climate conditions-extremely hot in summer,severe cold in winter and particularity of reconstruction and extension engineerings of Shen-Da Freeway,for this reason the local pavement produces different crack owing to heave and natural settlement after bottom surface construction through a winter.The paper analyzes and sums up the reasons for pavement crack and the treatments taken.更多还原