A Study on Optimum Mixture Ratio of Reactive Powder Concrete

Table 2

The mixture ratio of the specimens and the test results.

Group	W/B	FA	N-MB	Fiber	Curing method	Fluidity (mm)	Strength test/cal. (MPa)	Variation (%)
G1	0.16	0.15	0.15	—	C3	136	158/161	1.9
	0.16	0.3	0.15	—	C3	123	164/177	7.9
	0.2	0.3	—	—	C3	187	129/128	−0.8
	0.2	0.3	—	—	C3	182	143/141	−1.4
G2	0.16	0.15	0.15	—	C1	136	129/130	0.8
	0.17	0.3	—	—	C1	145	126/123	−2.4
	0.18	0.3	—	—	C1	159	117/116	−0.9
	0.19	0.3	—	—	C1	172	108/109	0.9
	0.2	0.3	—	—	C1	187	103/104	1
	0.22	0.3	—	—	C1	209	95/94	−1.1
	0.24	0.3	—	—	C1	223	86/86	0
	0.26	0.3	—	—	C1	237	77/79	2.6
	0.16	0.15	0.15	—	C2	136	138/143	3.6
	0.17	0.3	—	—	C2	145	136/134	−1.5
	0.18	0.3	—	—	C2	159	129/126	−2.3
	0.19	0.3	—	—	C2	172	122/120	−1.6
	0.2	0.3	—	—	C2	187	113/114	0.9
	0.22	0.3	—	—	C2	209	106/103	−2.8
	0.24	0.3	—	—	C2	223	97/94	−3.1
	0.26	0.3	—	—	C2	237	86/87	1.2
	0.16	0.15	0.15	—	C3	136	156/161	3.2
	0.17	0.3	—	—	C3	145	153/151	−1.3
	0.18	0.3	—	—	C3	159	147/143	−2.7
	0.19	0.3	—	—	C3	172	139/135	−2.9
	0.2	0.3	—	—	C3	187	131/128	−2.3
	0.22	0.3	—	—	C3	209	120/116	−3.3
	0.24	0.3	—	—	C3	223	105/106	1
	0.26	0.3	—	—	C	237	98/98	0
G3	0.16	0.15	0.15	1	C	130	185/186	0.5
	0.16	0.15	0.15	2	C3	127	197/199	1
	0.16	0.15	0.15	3	C3	119	215/211	−1.9
	0.18	0.3	—	1	C3	148	173/165	−4.6
	0.18	0.3	—	2	C3	142	181/177	−2.2
	0.18	0.3	—	3	C3	138	193/187	−3.1
	0.22	0.3	—	1	C3	206	138/135	−2.2
	0.22	0.3	—	2	C3	201	150/144	−4
	0.22	0.3	—	3	C3	194	156/152	−2.6
	0.26	0.3	—	1	C3	236	110/114	3.6
	0.26	0.3	—	2	C3	233	118/121	2.5
	0.26	0.3	—	3	C3	229	123/128	4.1
G4	0.18	0.3	—	2	C3	147	175/177	1.1
	0.18	0.3	—	2	C3	154	178/177	−0.6
	0.18	0.3	—	2	C3	159	183/177	−3.3
	0.18	0.3	—	2	C3	163	181/177	−2.2
	0.18	0.3	—	2	C3	167	180/177	−1.7
G5	0.18	0.15	—	2	C3	137	182/177	−2.7
	0.18	0.2	—	2	C3	142	187/177	−5.3
	0.18	0.25	—	2	C3	153	184/177	−3.8
	0.18	0.3	—	2	C3	159	180/177	−1.7
	0.2	0.15	—	2	C3	161	164/159	−3
	0.2	0.2	—	2	C3	173	159/159	0
	0.2	0.25	—	2	C3	179	155/159	2.6
	0.2	0.3	—	2	C3	187	152/159	4.6
G6	0.16	0.3	—	2	C3	122	189/199	5.3
	0.16	0.225	0.075	2	C3	129	195/199	2.1
	0.16	0.15	0.15	2	C3	136	200/199	−0.5
	0.16	0.075	0.225	2	C	143	207/199	−3.9
	0.16	0	0.3	2	C	141	209/199	−4.8

Note. The steel fiber ratio is based on RPC volume, and the ratio of other components is based on cement mass. (2) The contents of silica fume and quartz sand keep the same as SF content is 0.3, and quartz sand is 1.2. (3) P.O.42.5 is used in G2∼G6. (4) SF90 is used in G1∼G3 and G6.