Effect of Sand Content on the Workability and Mechanical Properties of Concrete Using Bottom Ash and Dredged Soil-based Artificial Lightweight Aggregates

International Journal of Concrete Structures and Materials

Table 2 Mixture proportions of the concrete specimens.

Specimens	Replacement level using sand, R_s (%)	W/C (%)	Unit weight (kg/m³)
Specimens	Replacement level using sand, R_s (%)	W/C (%)	Cement	Water	Lightweight fine aggregate	Natural sand	Lightweight coarse aggregate
L-0	0	52.0	319	185	400	0	560
L-25	25	53.5	327	185	302	171	563
L-50	50	55.1	336	185	202	343	566
L-75	75	56.6	346	185	101	517	568
L-100	100	58.0	356	185	0	692	570
M-0	0	47.0	330	185	393	0	550
M-25	25	48.5	339	185	296	168	553
M-50	50	50.1	350	175	204	346	570
M-75	75	51.6	382	175	102	522	573
M-100	100	53.0	394	175	0	699	576
H-0	0	35.0	415	170	384	0	538
H-25	25	36.5	430	170	291	165	543
H-50	50	38.0	447	170	196	333	549
H-75	75	39.5	466	170	99	504	553
H-100	100	40.9	486	170	0	676	557