Shear Friction Characteristics and Modification Factor of Concrete Prepared Using Expanded Bottom Ash and Dredged Soil Granules

International Journal of Concrete Structures and Materials

Table 1 Range of test parameters investigated in each group of three series.

Series	Group	\( {\text{f}}_{\text{cd}} \) (MPa)	\( {\text{R}}_{\text{s}} \) (%)	\( {\text{W}}\text{/}{\text{C}} \)	\( {\text{W}} \) (kg/m³)	\( {\text{C}} \) (kg/m³)
I	L	18	0–100 @25	0.52–0.58	185	319–356
	M	24	0–100 @25	0.47–0.53	175–185	330–394
	H	35	0–100 @25	0.35–0.41	170	415–486
II	S0	Not designed	0	0.30–0.50 @0.05	120–200	400
II	S50	Not designed	50	0.30–0.50 @0.05	120–200	400
III	S0-M	24	0	0.50	188	375
	S0-H	35	0	0.25	133	450
	S100-M	24	100	0.55	193	350
	S100-H	35	100	0.32	144	450

In the first series of mixtures, a marginally lower value of W/C was selected with the decrease in R_s (the increase in lightweight fine aggregate content) to achieve f_cd.