Liquefaction Potential Area Identification in Southern Bali Island Based on Ground Penetrating Radar, Geoelectricity and Borehole Data
Journal: International Journal of Engineering Research (IJER) (Vol.5, No. 11)Publication Date: 2016-11-01
Authors : Rahmat Nawi Siregar; Sismanto;
Page : 847-850
Keywords : Liquefaction; Ground Penetrating Radar; Geoelectricity; Borehole.;
Abstract
The potential area of liquefaction in southern Bali Island has been identified by using ground penetrating radar, resistivity geoelectricity with dipole-dipole configuration, and borehole data. The research has been conducted in 16 GPR's sites, 12 geoelectricity lines, and 8 borehole points. The interpretations of GPR and geolectricity revealed the presence of sand-silt-clay with (5.00 ? 23.6) ? m resistivities at (0 ? 5) meter depth and groundwater table with (0.265?17.1) ? m at (0?7) meter depth. The measurement of sand diameter in Sanur, Sarangan, Tanjung Benoa and Tuban reveal that sandsilt-clay fraction which has < 20 % fines are categorized as highly potential liquefaction
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Last modified: 2016-11-14 17:06:42