TY - JOUR
T1 - Performance evaluation of the soft soil reinforced ground palm oil fuel ash layer composite
AU - Mujah, Donovan
AU - Rahman, Muhammad Ekhlasur
AU - Zain, Nor Hashimah Mohamad
N1 - Funding Information:
The financial supports granted by Curtin Sarawak Research Fund No. 2104 is gratefully acknowledged. The preliminary analysis of POFA provided by the experts from Universiti Putra Malaysia (UPM) is also noted. Special thanks to Dennis Musuka Kundai and Denn Alladin for their technical supports in conducting the experiments. Constructive comments by the reviewers are also deeply appreciated.
PY - 2015/5/15
Y1 - 2015/5/15
N2 - This study seeks to validate the possible reuse of the ground palm oil fuel ash (POFA) in soft soil improvement. POFA used in the present study was derived from the abundantly available palm oil waste residues from the nearby palm oil mill. Once the POFA is dried, it is further grounded to two different particle sizes i.e. 30 μm (large particle) and 12 μm sieve (small particle) in order to determine the effect of the POFA fineness in soft soil improvement. Furthermore, a one dimensional deformation analysis was carried out using the oedometer apparatus to investigate the effect of water saturation in soft soil samples incorporating both the original unground POFA. The result showed that the improvement factor portrayed by the smaller particle size of the ground POFA was much more pronounced as compared to the larger particle size. Similar trend was found in the consolidation results especially when the soft soil sample was fully saturated. Also, the shear strength parameters of the reinforced soft soil with ground POFA increased significantly at about 50%-60% for both the internal friction angle and the cohesion values.
AB - This study seeks to validate the possible reuse of the ground palm oil fuel ash (POFA) in soft soil improvement. POFA used in the present study was derived from the abundantly available palm oil waste residues from the nearby palm oil mill. Once the POFA is dried, it is further grounded to two different particle sizes i.e. 30 μm (large particle) and 12 μm sieve (small particle) in order to determine the effect of the POFA fineness in soft soil improvement. Furthermore, a one dimensional deformation analysis was carried out using the oedometer apparatus to investigate the effect of water saturation in soft soil samples incorporating both the original unground POFA. The result showed that the improvement factor portrayed by the smaller particle size of the ground POFA was much more pronounced as compared to the larger particle size. Similar trend was found in the consolidation results especially when the soft soil sample was fully saturated. Also, the shear strength parameters of the reinforced soft soil with ground POFA increased significantly at about 50%-60% for both the internal friction angle and the cohesion values.
KW - Consolidation test
KW - Deformation analysis
KW - Filler effect
KW - Ground POFA
KW - Soil improvement
UR - http://www.scopus.com/inward/record.url?scp=84927174362&partnerID=8YFLogxK
U2 - 10.1016/j.jclepro.2015.02.058
DO - 10.1016/j.jclepro.2015.02.058
M3 - Article
AN - SCOPUS:84927174362
SN - 0959-6526
VL - 95
SP - 89
EP - 100
JO - Journal of Cleaner Production
JF - Journal of Cleaner Production
ER -
