Abstract
Expansive soil is a kind of soil that has ability to shrinkage and swelling. According to Ronny (2014) Jatinangor area has expansive soil that is so very influential in the planning of infrastructure construction. This research aimed to measure the bearing capacity of the very expansive soils in Jatinangor area and to determine the correlation between activity number of soil and its bearing capacity. The method used is to collect the soil physics and mechanics data. Based on the soil mechanics data, the research location is divided into three zones of allowable bearing capacity, those are zone with allowable bearing capacity < 4 T/m2, zone with allowable bearing capacity 4-7 T/m2, and zone with allowable bearing capacity > 7 T/m2. The correlation between activity number and bearing capacity of soil follows the equation qa = -1.9505(A) + 6.957 with correlation coefficient is -0.7911.
Highlights
Expansive soil is a kind of soil that has ability to shrinkage and swelling. in relation to changes in water content
A bearing capacity zonation map of very expansive soils consists of three zones based on the value of allowable bearing capacity, which are zone with allowable bearing capacity < 4 T/m2, Zone with allowable bearing capacity [4,5,6,7] T/m2, and zone with allowable bearing capacity > 7 T/m2
The correlation between activity number and bearing capacity of very expansive in research area is shown in graph with equation qa = -1.9505 (A) + 6.957 with R= 0.7911
Summary
Expansive soil is a kind of soil that has ability to shrinkage and swelling. in relation to changes in water content. Expansive soil is a kind of soil that has ability to shrinkage and swelling. Jatinangor is an area that has rapidly developed into regional education, industry, government and commerce. It can be seen with a lot of infrastructure construction in this area. Jatinangor region is geologically composed of young volcanic rocks, so the soil produced from weathering is loose. This thing causes landslide around Jatinangor area. Swelling of clay minerals on soil from weathering influences the frequency of soil movement
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