Behaviour of a silt used in flood embankment construction in Indonesia

Abstract

Oedometer tests were carried out on a silt used in flood embankment construction in Indonesia. Three test series were carried out under dry-of-optimum, wet-of-optimum and prepared wet and then dried, initial conditions. Where collapse was observed, the collapse potential for the specimen was evaluated and severity of collapse determined. This material has been sampled from embankments in East Java, Indonesia where there is a recurrent history of geotechnical failures. These preliminary results show the importance of good compaction control at the site and help to explain some failures observed at the site.

Cracked Soils Behavior Due to Drying Conditions Using a Fuzzy C-Means Method

“…The samples were obtained at depths from 0.3 m to 0.5 m from the surface with disturbed and undisturbed conditions. The soil was classified as an inorganic silt of high compressibility [6]. Some basic properties of the soil are listed in Table 1.…”

“…The chemical composition using X-Ray Fluorescence method of the soil is shown in Table 2; it was found that the soil chemical compounds are mainly silica (Si) and Calcium (Ca). The minerals of the clay fraction play a central role in the properties of the soil, such as plasticity and strength [6].…”

“…The volumetric shrinkage and compactedness of soil is an important physical and mechanical parameter that controls the behavior of soil properties in drying conditions [5][6][7][8]. The effect of the drying process on the geometric characteristics of crack patterns was analyzed by image processing [5,9,10].…”