Table 4 Design of mixture components. w. water, c: cement, S: river sand, OSS: oyster shell sand.
From: Dynamic properties of mortar with oyster shell sand replacement
Type | w/c (by weight), % | OSS Rr (by volume), % | Unit weight, kg/m3 | |||
|---|---|---|---|---|---|---|
w | c | S | OSS | |||
M1 | 55 | 0 | 193 | 350 | 1965.8 | 0.0 |
M2 | 20 | 193 | 350 | 1572.6 | 336.2 | |
M3 | 50 | 193 | 350 | 982.9 | 840.9 | |
M4 | 80 | 193 | 350 | 393.0 | 1345.4 | |
M5 | 100 | 193 | 350 | 0.0 | 1681.7 | |
