# The correlation of soil liquid limit and plasticity index for predicting soil susceptibility: A case study on landslides area in South Sulawesi
> Ahmad A.

URL kanonis: https://discover.unhas.ac.id/publications/the-correlation-of-soil-liquid-limit-and-plasticity-index-for-predicting-soil-su
Jurnal / Konferensi: Iop Conference Series Earth and Environmental Science
Tahun terbit: 2019
DOI: https://doi.org/10.1088/1755-1315/235/1/012007
ISSN: 17551307
Citations: 11

## Authors
- Ahmad A.

## Abstract
This research aims to analyze a characteristic of liquid limit and plasticity index of soil to predict soil susceptibility on landslides area in four districts of South Sulawesi which has a high intensity of landslides event. Soil sampling was done in sixteen soil profile on A, B, and C horizon. The experiment used a split-split plot design with three replications. The ASTM-D method was used for calculating the liquid limit, plasticity limit and index plasticity. The average value of liquid limit in landslides area was 67.91%, plasticity limit was 52.22%, and index plasticity was 16.23%. Statistical test showed a correlation between landslides event with soil characteristic on each horizon with significant at P < 0.05. The least significant difference test showed the correlation between landslides event with soil characteristic on A and B horizon, and not significant on the C horizon. The Soil with 67.91% of liquid limit value and 16.22% of index plasticity classified as silt of high plasticity with low cohesiveness, and it is very susceptible to trigger a landslide.

## Keywords
- Atterberg limits
- Landslide
- Plasticity
- Silt
- Horizon
- Soil science
- Soil test
- Geotechnical engineering
- Environmental science
- Geology
- Hydrology (agriculture)
- Mathematics
- Soil water
- Geomorphology
- Physics
- Geometry
- Thermodynamics

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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