Effectiveness of crushed coconut shell and eggshell powder to act as subgrade stabilizer

In Malaysia, the productions of waste from various sources keep increasing annually. This problem can cause our nation to face serious problem regarding with the process in handling waste handling process at landfill. By recycling agricultural waste is the one of effective method to reduce the waste...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1349 (1), p.12076
Main Authors: Ramli, R, Yahaya, N N, Bakar, N N A A, Dollah, Z, Idrus, J, Abdullah, N H H
Format: Article
Language:English
Subjects:
Agricultural wastes
California bearing ratio
Crushing
Damping
Landfill
Landfills
Pavement design
Penetration tests
Physics
Soil investigations
Soil layers
Soil lime
Soils
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Summary:In Malaysia, the productions of waste from various sources keep increasing annually. This problem can cause our nation to face serious problem regarding with the process in handling waste handling process at landfill. By recycling agricultural waste is the one of effective method to reduce the waste damping on landfill. The agricultural waste such as eggshell and coconut shell not commonly being used as stabilizing material as lime and cement in pavement design, but the mineral composition contain shows their own ability to strengthen the weak subgrade soil. Thus, the aimed for this study is to investigate the effectiveness mixture of eggshell powder (ESP) and Crushed Coconut Shell (CCS) on soil performance for subgrade layer. The combination of constant 3% ESP with the various percentage of CCS, 2%, 4%, 6% and 8% is evaluated by conducting Standard Proctor Test (SPT) and California Bearing Ratio (CBR) test. The results obtained shows the maximum CBR value achieved at 4% of CCS along with constant 3% ESP.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1349/1/012076