Abstract
This article defines the effect of temperature on some engineering and consolidation properties of soft soil. The purpose of this research, therefore, was to determine the technical characteristics of soft clay consolidation behavior, specifically in terms of temperature influence on varying values of soil established mechanical parameters, including soft soil compression index (Cc), swelling index (Cs), volume change coefficient (mv), consolidation coefficient (Cv), and the permeability coefficient (k). In this analysis, the use of soft clay in an undisturbed condition was sourced from a swampy location in South Kalimantan Province, Indonesia. Also, the temperatures applied to the specimens were 22o C, 40o C, 60o C, and 70o C. The results showed the influence of temperature modifications on soil compressibility, where extensive heat was responsible for abundant soil compressibility. In addition, the associated parameters, termed soil compression index value (Cc), consolidation coefficient (Cv), and the swelling index (Cs), observed an increase by 3%, 33%, and 22%, respectively. Furthermore, existence of high temperatures limited the unstable soil volume, where the volume change coefficient (mV) tends to decrease by 3%. Also, varying temperatures essentially altered soil permeability, where the seepage properties of soft clay showed the tendency to increase by 32%, with rising soil temperature.
Highlights
The abundance of land mass in Kalimantan, Indonesia are predominantly swamps, with soil types ranging from soft clay to peat
The results showed an increase in temperature triggered higher compression index (Cc) and consolidation coefficient (Cv)
Lom with high stability in undisturbed conditions sourced from swamps in South Kalimantan province, Indonesia, was employed in the consolidation test in determining soil congestion behavior
Summary
The abundance of land mass in Kalimantan, Indonesia are predominantly swamps, with soil types ranging from soft clay to peat. A significant effect of high temperature on soil consolidation behavior is assumed to exist, including non-uniform subsidence. Several studies have been conducted related to temperature effects on clay properties, and experienced certain challenges on the parameters and soil types. These attempts involved Burghignoli et al [7], Baldi et al [8], Romero et al [9], Sridharan et al [10], Gadzama et al [11], Laloui [12], Tsutsumi et al [13], and Towhata et al [14]. An increase in soil permeability due to high temperature, causes the viscosity of soil fluids to decline
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