Multiobjective Reliability-Based Design Optimization of Recycled Aggregates Used in Corrosive Environment Based on Response Surface Modelling

Table 3

Mix proportion, basic parameters of experimental data.

No	Specimen		Cement			Natural aggregate			Recycle aggregate
	Type	Size (mm)	Amount		Free water	NFA	NCA	RFA	RCA	RA
1	Cylinder	300 150	492.5	0.40		715.75	936.60	0	0	0
2	Cylinder	200 100			197	590.77	749.28	131.53	162.72	20
3	Cube	100 100 100			197	386.27	468.30	344	406.80	50
4	Cube	80 80 80			197	238.58	280.98	495.76	569.52	70
5	Cylinder	100 50			197	0	0	738.56	813.80	100
6	Cylinder	300 150	394	0.50	197	805.76	936.60	0	0	0
7	Cylinder	200 100			197	662.78	749.28	147.56	162.72	20
8	Cube	100 100 100			197	431.27	468.30	384.08	406.80	50
9	Cube	80 80 80			197	265.58	280.98	551.87	569.52	70
10	Cylinder	100 50			197	0	0	818.72	813.80	100
11	Cylinder	300 150	437.8	0.45	197	765.76	936.6	0	0	0
12	Cylinder	200 100			197	630.78	749.28	140.44	162.72	20
13	Cube	100 100 100			197	411.27	468.3	366.26	406.8	50
14	Cube	80 80 80			197	253.58	280.98	526.93	569.52	70
15	Cylinder	100 50			197	0	0	783.10	813.6	100