Civil Engineering > GATE 2018 SET-2 > Geotechnical Engineering
A group of nine piles in a 3 ร 3 square pattern is embedded in a soil strata comprising dense sand underlying recently filled clay layer, as shown in the figure. The perimeter of an individual pile is 126 cm. The size of pile group is 240 cm ร 240 cm. The recently filled clay has undrained shear strength of 15 kPa and unit weight of 16 kN/m3.
The negative frictional load (in kN, up to two decimal places) acting on the pile group is _______.
Correct : 472.00 to 472.50
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