论文部分内容阅读
某市区旧水泥混凝土路面加铺沥青路面后出现横向和纵向反射裂缝,推移和剥落等破坏现象,文章从原水泥路面结构状况引发反射裂缝、新加铺沥青面层厚度不足、土工布和水造成结构层层间粘结力降低和车辆水平力造成面层推移四个方面分析了上述早损现象发生的原因,系统总结了路面开裂和沥青面层推移全过程发生发展的机理和流程。以此分析为基础,从合理施工工期安排、科学制定工程造价限额要求、旧路结构状况全面调查和评价、合理使用土工布四个方面提出对策和建议,可为今后同类工程提供参考。
Some asphalt concrete pavement in urban areas with asphalt pavement after the emergence of horizontal and vertical reflection cracks, cracks and spalling and other damage, the article from the original cement pavement structure caused by reflective cracks, the new increase in the thickness of asphalt pavement, geotextiles and water The reason of the above-mentioned premature failure was analyzed from four aspects: the decrease of adhesive force between the layers of the structure layer and the movement of the surface layer caused by the horizontal force of the vehicle. The mechanism and process of the occurrence and development of pavement cracking and asphalt surface displacement were systematically summarized. Based on this analysis, this paper will provide suggestions for the similar projects in the future from four aspects: reasonable arrangement of construction period, scientifically setting of project cost quota, comprehensive investigation and evaluation of old road structure status and rational use of geotextile.