混凝土类型 | AC-13 | SMA-13 | ||||||||
坡度/% | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 | 2.0 | 2.5 | 3.0 | 3.5 | 4.0 |
空隙率/% | 7.1 | 6.8 | 6.5 | 6.3 | 6 | 5.1 | 4.9 | 4.7 | 4.6 | 4.4 |
连通空隙率/% | 2.9 | 2.8 | 2.6 | 2.6 | 2.4 | 3.0 | 2.8 | 2.7 | 2.6 | 2.4 |
排水时长/h | 9.08 | 6.93 | 5.49 | 4.55 | 3.77 | 9.38 | 7.10 | 5.58 | 4.64 | 3.81 |