Geotechnical
Geotechnical engineering guides, tutorials, and resources covering soil testing, foundation design, slope stability, retaining walls, and ground improvement. For students and professionals in the USA and UK.
Solved numericalSoil is to be excavated from a borrow pit which has a density of 1.75 g/cc and water content of 12%. The speci…Geotechnical · 3 min read
Solved numericalThe unit weight of a sand backfill was determined by field measurements to be 1746 kg/m³. The water content at…Geotechnical · 2 min read
Solved numericalA highly sensitive volcanic clay was investigated in the laboratory and found to have the following properties…Geotechnical · 2 min read
Solved numericalA core cutter 12.6 cm in height and 10.2 cm in diameter weighs 1071 g when empty. It is used to determine the…Geotechnical · 2 min read
Solved numericalA clayey soil has saturated moisture content of 15.8%. The specific gravity is 2.72.Its saturation percentage…Geotechnical · 1 min read
Solved numericalA compacted cylindrical specimen 50 mm diameter and 100 mm long is to be preparedfrom dry soil. If the specime…Geotechnical · 1 min read
Solved numericalA mass of soil coated with thin layer of paraffin wax weighs 690.6 g and the soil alone weighs 683 g. When the…Geotechnical · 1 min read
Solved numericalA natural soil sample has a bulk density of 2 g/cm3 with 6% water content. Calculate the amount of water requi…Geotechnical · 1 min read
Solved numericalA soil sample is partially saturated. Its natural moisture content was found to be 22%and bulk density 2 g/cm3…Geotechnical · 1 min read
Solved numericalTest on a fill reveal that one cubic meter of soil in the fill weighs 1624 kg and after being dried, 1.40 tone…Geotechnical · 1 min read
Solved numericalThe soil fill for a road embankment is to be compacted in place to a void ratio of 0.7. Ifthe void ratio of th…Geotechnical · 2 min read
Solved numericalDetermine the voids ratio and porosity of a uniformly graded sand of perfectly spherical grains arranged in a…Geotechnical · 1 min read
Solved numericalDetermine the minimum possible voids ratio for a uniformly graded sand of perfectly spherical grains arranged…Geotechnical · 1 min read

Solved numericalDetermine the maximum possible voids ratio for a uniformly graded sand of perfectly spherical grains.Geotechnical · 1 min read

ArticleTorsion balance methodGeotechnical · 4 min read

ArticleOven Drying methodGeotechnical · 6 min read
Solved numericalA sand deposit has following properties in its natural state:A(i) bulk unit weight: 18.6 kN/m3, (ii) unit weig…Geotechnical · 1 min read
Solved numericalSandy soil in a borrow pit has a unit weight of solids as 26.3 kN/m3, water content equal to 11%, and bulk uni…Geotechnical · 1 min read