| 摘要 |
The invention relates to an impact absorbing macadam based on rubber, bituminous binder and aggregate, comprising 10...75% by weight, preferably 25...45% by weight rubber, having a particle size of up to 40 mm, preferably up to 15 mm, 25...90% by weight, preferably 45...65% by weight aggregate, having a particle size of up to 40 mm, preferably up to 15 mm, 5...9% by weight, preferably 6.5...7.5% by weight polymer modified bituminous binder and 5...25% by volume, preferably 17% by volume air gaps. According to the invention, the impact absorbing macadam is suitable for making carriageable tracks, sports or athletics tracks. |
