The Study Of Prevention And Cure Against Asphalt Pavement Reflection Crack

The path reflection crack is one kind of disease phenomenon existed in the asphalt pavement commonly, it is caused by the path grass roots crack. It is one kind of extremely effective preventing and controlling measure, that the geotextile is parked between asphalt surface and grass roots. The article based on the analysis of he geotextile material performance,the action mechanism and in the correlation material request, take the Xing-qing highway k32+500～k35+700 as the test section, make the technique study to the geotextile and glass fiber geogrid in the felted fastness,filled strong lay thickness,construct measures,quality control and so on divided two issues separately. Through to two test sections under the different time, the different environment service condition carries on the scene track observation and the application effect, the economic cost contrast analysis, consider: the gridding and geotextile are the effective,the price being suitable successful method reduced the asphalt surface reflection crack, they have the broad application value and the promoted prospect in the major rebuilding of the Xingtai area path.