EFFECT OF EUCALYPT WOOD LIGNOSULFONATES ON CONCRETE PROPERTIES
2019
Esam Hamid | Esam Majeed Solyman | Janan Yousif David
The study was performed to investigate the effect of <em>Eucalyptus camldulenses</em> wood lignosulfonate on concrete properties. several concrete mixtures were used with the variables (cement: 500, 600, and 700 gm.), (water: 35, 40, 45, and 50%). (Lignosulfonate: zero. 3, and 5%). A compression test on all samples was used to evaluate the effect of the Eucalypt wood lignosulfonates on concrete properties. There were a highly significant effects of the studied main variables on compression test, specially cement, water percentage, lignin derivative (lignosulfonate) and the interactions between cement with water percentage, cement with lignin derivatives, water with lignin and cement with water and lignin derivatives. The interaction between cement and lignin derivative didn’t show any significant effect on compression test. After Duncan's test on all the study factors showed that cement amount of 600gm had a highest average of compression test with 130.28 kg/ cm<sup>2</sup>. water percent (35, 40, 45, and 50%) gave the highest values (112.34, 115.73, and 117.2 kg) respectively.Consequently lignin derivative percentages had a significant effect on the compression test specially at (3, 5%) percent (114, 118, 8 kg / cm<sup>2</sup>) respectively. Averages of 600gm of cement samples and 45% water interactions had a highest average (147, 81 kg/cm<sup>2</sup>) values, 40% percent of water & 3% lignin (Lignosulfonates) had compression values of (142, 84 kg / cm<sup>2</sup>).All samples of 600 gm. Cement, 45% water percentage and 3% lignin derivative had best compressed value 182.44 kg/ cm<sup>2</sup>.
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