Determination of Optimized Mix Design of Reactive Powder Concrete

Table 8

Decision matrix.

Alternative	Attribute
	RPC design components (kg/m^3)						RPC design characteristics
	Cement (X1)	Silica sand (X2)	Silica powder (X3)	Silica fume (X4)	Superplasticizer (X5)	Water (X6)	Compressive strength (MPa) (X7)	Water absorption (%) (X8)	Density (kg/m^3) (X9)
Sign	+	+	+	+	+	−	+	−	+
A 1 (RPC1)	810	961	182	167	40	200	132	1.04	2360
A 2 (RPC2)	897	797	205	188	46	206	143	0.98	2339
A 3 (RPC3)	673	1125	144	192	40	173	130	0.99	2347
A 4 (RPC4)	730	1070	175	175	39	170	134	0.95	2359
A 5 (RPC5)	919	870	77	221	38	204	139	1.10	2329
A 6 (RPC6)	714	1203	86	132	39	186	121	1.03	2360
A 7 (RPC7)	629	1085	261	151	36	198	125	0.79	2360
A 8 (RPC8)	830	1080	100	150	42	180	132	0.75	2382
A 9 (RPC9)	750	1051	119	215	41	170	131	0.93	2346
A 10 (RPC10)	1021	662	122	253	48	204	136	1.08	2310
A 11 (RPC11)	840	924	178	202	42	180	141	0.82	2366
A 12 (RPC12)	898	895	110	188	44	207	138	0.97	2342
A 13 (RPC13)	890	700	296	187	46	203	144	1.01	2322