The application of disposal reflection crack and water damage on the LSPM flexible base

Jinan-Liaocheng-Guantao expressway is a heavy traffic road,a large number of heavy and overloading vehicles caused large-scale reflection crack and water damage around 2005.LSPM(Large Stone Porous Asphalt Mixes) flexible base with the better drainage performance and high strength and better anti-cracking performance,the application in Jinan-Liaocheng-Guantao Expressway repair project enriched the practice of the use of flexible base in expressway maintenance.