A STUDY ON CONSISTENCY LIMITS OF ACIDIFIED SOIL BY AIR DRYING

Abstract

In order to investigate the consistency limits of acidified soil by air drying, liquid limit and plastic limit tests were performed on soils sampled from the excavation slope. As a result, the hydrogen-ion concentration exponent (pH) values decreased with preserving time and the decreasing degree was influenced by preserving temperature. In addition, it was found that the consistency limits decreased with a decrease of pH, the classified group for engineering purpose transmited from C'H-group to ML-group. Therefore, pH is the most important factor in considering geotechnical environments.