Improving the Bearing Strength of Sandy Loam Soil Compressed Earth Block Bricks Using Sugercane Bagasse Ash
2. Materials and Methods
|Loss of Ignition||0.9|
2.1. Mixture Proportion and Sample Preparation
|Sugar bagasse ash (%)||Soil||SCBA||Water|
2.2. Compressive Strength Test
2.3. Shrinkage Cracks
3. Results and Discussions
3.1. Soil Characteristics
3.2. Compressive Strength
3.3. Failure Pattern
3.4. Shrinkage Cracks
|Sugarcane Bagasse Ash (%)||% Length of crack in direction parallel to cracks|
- The compressive strength of Sugarcane Bagasse Ash stabilized Compressed Earth Bricks increased with an increase in Sugarcane Bagasse Ash and was 65% higher than the control with the addition of 10 Sugarcane Bagasse Ash.
- The compressive strength of Sugarcane Bagasse Ash stabilized Compressed Earth Bricks increased with duration of curing. At 28 days, the control did not satisfy the requirement of KS02-1070  while the 3%, 5%, 8% and 10% sugarcane bagasse stabilized Compressed Earth Bricks satisfied the minimum compressive strength requirement of the code.
- For the 10% Sugarcane Bagasse Ash stabilized compressed earth brick, the 14 to 21 day compressive strength growth rate was higher than the 21 to 28 day compressive strength growth rate, while for the control, 3%, 5% and 8% Sugarcane Bagasse Ash stabilized compressed earth brick the 21st to the 28th day compressive strength growth rate was higher than the 14 to 21 day growth rate.
- Stabilized soil bricks exhibited a similar failure pattern to concrete’s mode of failure while the unstabilized soil bricks in contrast disintegrated into smaller fragments.
- The stabilized and unstabilized Compressed Earth Bricks had crack width less than 0.3 mm. The control sample and the 3% stabilized compressed earth brick had higher crack length along the parallel block dimension than the 5% and 8% and 10% stabilized compressed earth brick.
Conflicts of Interest
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Salim, R.W.; Ndambuki, J.M.; Adedokun, D.A. Improving the Bearing Strength of Sandy Loam Soil Compressed Earth Block Bricks Using Sugercane Bagasse Ash. Sustainability 2014, 6, 3686-3696. https://doi.org/10.3390/su6063686
Salim RW, Ndambuki JM, Adedokun DA. Improving the Bearing Strength of Sandy Loam Soil Compressed Earth Block Bricks Using Sugercane Bagasse Ash. Sustainability. 2014; 6(6):3686-3696. https://doi.org/10.3390/su6063686Chicago/Turabian Style
Salim, Ramadhan W., Julius M. Ndambuki, and David A. Adedokun. 2014. "Improving the Bearing Strength of Sandy Loam Soil Compressed Earth Block Bricks Using Sugercane Bagasse Ash" Sustainability 6, no. 6: 3686-3696. https://doi.org/10.3390/su6063686