Lightweight Self-consolidating Concrete with Expanded Shale Aggregates: Modelling and Optimization

International Journal of Concrete Structures and Materials

Table 5 Test results on fresh and hardened properties.

Mix no.	Slump flow (mm)	V-funnel (s)	J-ring flow (mm)	J-ring height diff (mm)	L-box ratio	Filling capacity (%)	SSR (%)	Compressive strength (MPa)		28-day Unit weight (kg/m³)
Mix no.	Slump flow (mm)	V-funnel (s)	J-ring flow (mm)	J-ring height diff (mm)	L-box ratio	Filling capacity (%)	SSR (%)	7-days	28-days	Fresh	Air dry	Oven dry
1	850	1.6	850	0	1.00	100	14	27	36	1,800	1,688	1,650
2^a	810	1.2	770	0	1.00	100	38	21	28	1,826	1,700	1,645
3^a	530	1.8	540	2	0.55	58	6	29	40	1,840	1,728	1,672
4^a	535	5.6	510	5	0.53	58	24	23	31	1,850	1,740	1,690
5^a	640	11.1	650	2	0.77	76	10	34	48	1,859	1,747	1,690
6^a	625	11.9	590	4	0.63	67	20	31	43	1,866	1,754	1,707
7^a	365	19.7	370	9	0.31	29	4	38	51	1,873	1,761	1,704
8^a	380	18.5	360	14	0.37	31	6	34	46	1,751	1,611	1,566
9^a	810	1.4	805	0	1.00	100	30	20	28	1,770	1,658	1,573
10^a	395	24.0	415	5	0.28	31	7	40	53	1,807	1,667	1,623
11^a	820	3.2	795	0	1.00	100	24	26	40	1,817	1,684	1,630
12^a	390	6.0	390	8	0.33	29	7	32	46	1,779	1,652	1,603
13^a	595	6.5	630	0	0.72	73	6	36	51	1,892	1,765	1,729
14^a	755	1.9	715	0	1.00	100	34	22	31	1,742	1,630	1,601
15	675	3.6	680	2	1.00	98	13	31	44	1,807	1,695	1,635
16	705	3.7	710	2	0.98	100	11	34	48	1,789	1,676	1,604
17	685	4.0	680	1	1.00	99	12	32	44	1,779	1,667	1,611
18	700	3.7	700	1	0.97	97	13	31	45	1,782	1,670	1,614
19	685	3.5	680	1	1.00	97	10	33	46	1,787	1,662	1,597
20	705	4.1	700	2	0.99	99	12	31	43	1,800	1,675	1,625