Table 1. Physical characterisation of... | Emerald Publishing

Table 1.

Physical characterisation of tailings and mixtures

Identification	100F_0S	80F_20S	70F_30S	60F_40S	0F_100S
Flotation tailings, F	100%	80%	70%	60%	0%
Slime tailings, S	0%	20%	30%	40%	100%
Grading index, Gr	0	0·22	0·32	0·44	1
Iron oxides content: %	17·2	23·7	26·9	30·1	49·5
Specific gravity, G_s	2·76	2·86	2·91	2·96	3·26
Liquid limit (LL): %	NP	NP	NP	NP	31
Plasticity index (PI): %	NP	NP	NP	NP	7
Coarse sand: %	0·00	0·00	0·00	0·00	0·00
Medium sand: %	3·83	2·78	2·35	2·03	0·39
Fine sand: %	73·28	59·58	56·05	50·82	17·92
Silt: %	22·10	31·78	34·27	37·35	65·15
Clay: %	0·79	5·86	7·33	9·80	16·54
Fines content (diameter < 0·075 mm): %	22·89	37·64	41·60	47·15	81·69
Classification (USCS)	SM	SM	SM	SM	ML
D₅₀ : mm	0·12	0·11	0·10	0·08	0·01

Identification	100F_0S	80F_20S	70F_30S	60F_40S	0F_100S
Flotation tailings, F	100%	80%	70%	60%	0%
Slime tailings, S	0%	20%	30%	40%	100%
Grading index, Gr	0	0·22	0·32	0·44	1
Iron oxides content: %	17·2	23·7	26·9	30·1	49·5
Specific gravity, G_s	2·76	2·86	2·91	2·96	3·26
Liquid limit (LL): %	NP	NP	NP	NP	31
Plasticity index (PI): %	NP	NP	NP	NP	7
Coarse sand: %	0·00	0·00	0·00	0·00	0·00
Medium sand: %	3·83	2·78	2·35	2·03	0·39
Fine sand: %	73·28	59·58	56·05	50·82	17·92
Silt: %	22·10	31·78	34·27	37·35	65·15
Clay: %	0·79	5·86	7·33	9·80	16·54
Fines content (diameter < 0·075 mm): %	22·89	37·64	41·60	47·15	81·69
Classification (USCS)	SM	SM	SM	SM	ML
D₅₀ : mm	0·12	0·11	0·10	0·08	0·01

NP, non-plastic