Experimental study on pavement performance of porous asphalt mixture mixed with fiber
The service performance of porous asphalt mixture can be improved by adding fiber material to a certain extent,and the performance of porous asphalt mixture under different combination schemes is compared with that of ordinary porous asphalt mixture.There are 15 fiber combination schemes including single BF,single PP and double BF+PP.The high temperature stability,water stability,low temperature crack resistance,fatigue property and drainage property of the mixture were comprehensively investigated,it is considered that basalt fiber can improve the high temperature stability,low temperature crack resistance and fatigue performance of pervious asphalt mixture,but the improvement of water stability is not obvious.The mixture with proper proportion(0.4%BF+0.2%PP and 0.4%BF+0.1%PP)can significantly improve the road performance,including water stability,and the range of improvement can reach more than 20%,this is of great significance for the development of high quality pervious asphalt pavement and its popularization and application.
万方数据
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