Author and Country | Size and Type | Sawdust Composite Mix | Compressive Strength at 28 Days |

Ravindrarajah et al. [52] . Australia | 100 mm dia. × 200 mmhigh cylinders | Mixes of cement, fly ash, sand, sawdust, calcium chloride, lime and water with sawdust contents ranging from 3% to 12% | 13 MPa produced from sawdust content of 12% which produced concrete density of 1520 kg/m |

Dadzie et al. [53] . Ghana | 100 × 100 × 100 mm cubes | Sawdust, sand, cement batched by volume to a mix proportion of 1:6 (cement to sand) at a constant water cement ratio of 0.5. Sand replaced with 10%, 20%, 30% and 40% sawdust | 3.04 MPa at 10% replacement. (greater than the BS 6073 minimum of 2.8 MPa) |

Boob [54] . India | 100 × 100 × 100 mm cubes | 1:4 (cement: sand + sawdust)-sawdust replacement of 0%, 5%, 10%, 15% & 20%. 1:6 (0%, 5%, 10%, 15% & 20% sawdust replacement) 1:8 (0%, 5%, 10%, 15% & 20% sawdust replacement) | 4.5 MPa from the 1:6 (cement: sand + sawdust) (85% sand + 15% sawdust) |

Zziwa et al. [60] . Uganda | 50 × 50 × 50 mm and 100 × 100 mm cubes | Both sizes made with sawdust to cement ratios of 3:2 and 2:1 | Mean compressive strength of 1.61 MPa and 1.99 MPa for 50 × 50 × 50 mm blocks with sawdust to cement ratios of 3:2 and 2:1 respectively; and 1.78 MPa and 2.21 MPa for 100 × 100 mm blocks with sawdust to cement ratios of 3:2 and 2:1 respectively |

Turgut and Algin [57] . Turkey | 105 × 90 × 75 mm blocks | Mix of cement, water, and three combinations of Limestone powder waste (LPW) and wood sawdust waste (WSW). 0%, 10%, 20% and 30% WSW replacement was used in the WSW-LPW combination | 0%, 10%, 20% and 30% WSW replacements yielded 24.5, 16.6, 11 and 7.2 MPa respectively |

Kupolati et al. [50] . South Africa | 100 × 100 × 100 mm cubes | Water, hardener, cement, sand and sawdust at 13%, 2%, 11%, 73% and 1% respectively | The average optimum compressive strength for brick cubes (100 × 100 × 100 mm) at the laboratory was 6.10 MPa. A minimum value of 4.0 MPa is specified for solid masonry units in masonry walls [51] |