Effect of Clogging on the Permeability of Porous Asphalt Pavement

Table 5

Drainage decline of various void rates.

Void rate (%)	CM (g)	LV (ml/s)	CV (ml/s)	MDC (ml/s)	DT (s)	DCC
25	0	45.45	39.71	80.73	14.63	5.52
	50	36.57	34.65	77.66	18.06	4.30
	100	35.62	30.44	73.14	20.40	3.59
	150	32.60	26.97	64.51	18.17	3.55
	200	15.6	21.42	38.40	13.40	2.87
23	0	30.64	26.02	55.04	16.71	3.29
	50	25.24	22.56	51.99	19.86	2.62
	100	22.86	20.28	42.72	24.35	1.75
	150	20.15	20.84	41.94	25.61	1.64
20	0	21.02	13.39	32.9	15.75	2.09
	50	18.70	13.89	31.67	18.52	1.71
	100	16.70	6.76	25.24	16.13	1.56
18	0	12.37	10.27	23.40	13.81	1.69
	50	11.74	8.39	20.39	23.27	0.88

CM: clogging mass. LV: longitudinal velocity. CV: cross velocity. MDC: maximum drainage capacity. DT: drainage Time. DCC: drainage capacity coefficient.