Research Article
Effect of Water Acidity and Salinity on the CBR (California Bearing Ratio) of Compacted Laterite
@INPROCEEDINGS{10.4108/eai.2-11-2023.2348003, author={Khaidir Khaidir and Muhammad Arsyad}, title={Effect of Water Acidity and Salinity on the CBR (California Bearing Ratio) of Compacted Laterite}, proceedings={Proceedings of the 1st International Conference on Environmental Science, Development, and Management, ICESDM 2023, 2 November 2023, Banjarmasin, South Kalimantan, Indonesia}, publisher={EAI}, proceedings_a={ICESDM}, year={2024}, month={8}, keywords={laterite soil salinity ph < 7 cbr}, doi={10.4108/eai.2-11-2023.2348003} }- Khaidir Khaidir
Muhammad Arsyad
Year: 2024
Effect of Water Acidity and Salinity on the CBR (California Bearing Ratio) of Compacted Laterite
ICESDM
EAI
DOI: 10.4108/eai.2-11-2023.2348003
Abstract
Water in soil compaction mixtures serves as a wetting agent and lubricant during the compaction process. The salinity and pH of the water influence the behavior of soil, especially clayey soil. Field conditions result in water sources near construction sites being used for mixing and compaction, with varying pH and salinity levels. Flooding and tidal fluctuations also lead to compacted soil becoming submerged, resulting in changes in soil strength. Other tests conducted include the Atterberg limits and California Bearing Ratio (CBR). The research results indicate that there is an influence on the soil properties due to the water. The liquid limit and plastic limit decrease due to the influence of seawater and increase due to the influence of river water acidity. The maximum dry density increases due to the influence of seawater, and the optimum moisture content decreases. The most significant decreases in CBR values is observed due to the influence of seawater salinity, reducing from 19.94 % to 8.54 % for CBR with modified compactions and for CBR with standard proctor compactions from 9.74 % to 4.09 %. On the other hand, the influence of river water acidity results in a decrease compared to tap water, reducing from 19.94 % to 12.02 % for CBR with modified compactions and for CBR with standard proctor compactions from 9.74 % to 9.10 %.