Abstract:
IOP Conference Series: Earth and Environmental Science
PAPER • THE FOLLOWING ARTICLE ISOPEN ACCESS
Investigation of enhancing industrial waste as a soft soil stabilizer
Ade Yuniati Pratiwi1, Irfan Prasetia1, M. Yahya1 and Rustam Effendi1
Published under licence by IOP Publishing Ltd
IOP Conference Series: Earth and Environmental Science, Volume 999, The First International Symposium on Civil Engineering and Environmental Research 01/11/2021 - 02/11/2021 Online
Citation Ade Yuniati Pratiwi et al 2022 IOP Conf. Ser.: Earth Environ. Sci. 999 012029
DOI 10.1088/1755-1315/999/1/012029
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Abstract
This study compares two methods in enhancing fly ash as a soft-soil stabilizer. The first is using fly ash with mixing proportion varies from 10%, 15%, and 20%. In the second method, 10% cement combines with fly ash mixing proportion in the first method. Based on CBR test results, the fly-ash effectively increases the soft soil capacity with a CBR maximum of 9.31% at 20% fly ash in the first method. The second method enhances more impact than the first method with a CBR maximum of 49.36% at 20% fly ash. The swelling value keeps decreasing with the increase of fly ash content, and adding cement to fly ash-soft soil mixture can further minimize the swelling value by two times compared to only fly ash as the stabilizing agent.
