Comparative Study on the Macroscopic and Microscopic Properties of UHPC Mixed with Limestone Powder and Slag Powder

Table 2

Test results for packing density, fluidity, and compressive strength.

No.	Water-binder ratio	OPC (%)	SF (%)	LP (%)	SP (%)	Fluidity (mm)	Compressive strength (MPa)		Packing density
							7 d	28 d
c1	0.18	100	—	—	—	375	87.1	108.1	0.672
csl1	0.18	70	10	20	—	431	89.6	114.0	0.705
csl2	0.18	60	10	30	—	407	92.3	114.7	0.709
csl3	0.18	50	10	40	—	390	94.6	115.9	0.717
cl4	0.18	50	—	50	—	385	78.9	91.8	0.704
css1	0.18	70	10	—	20	425	93.0	121.7	0.683
css2	0.18	60	10	—	30	400	94.2	123.3	0.687
css3	0.18	50	10	—	40	381	96.4	126.8	0.688
cs4	0.18	50	—	—	50	369	91.4	119.0	0.668