The Use of Sawdust and Palm kernel Shell as Substitute for ...
The Use of Sawdust and Palm kernel Shell as Substitute for Fine and Coarse Aggregates in Concrete Construction in Developing Countries. Four sets of concrete (cement: sand: gravel, cement: sawdust:granite, cement: sand: palm kernel shells and cement: saw dust: palm kernel shells) were mixed at 1:2:4 and 1:3:6.