1. On a site, the topmost soil layer consists of a 3m layer of clay. The clay layer overlies a 5 m layer of sandy gravel, which in turn overlies impermeable rock. Draw up total stress, pore pressure and effective stress profiles down to the bottom of the sandy gravel for the following conditions: (yw = 9.81 kN/m³) Assume fully saturated capillary rise in clay above water table. (a) Water table at the ground surface; (b) Water table at the gravel/clay interface and the clay layer is fully saturated with capillary rise water. (c) Comment on the results. Unit weights: sandy gravel = 21 kN/m³ Clay 19 kN/m³
1. On a site, the topmost soil layer consists of a 3m layer of clay. The clay layer overlies a 5 m layer of sandy gravel, which in turn overlies impermeable rock. Draw up total stress, pore pressure and effective stress profiles down to the bottom of the sandy gravel for the following conditions: (yw = 9.81 kN/m³) Assume fully saturated capillary rise in clay above water table. (a) Water table at the ground surface; (b) Water table at the gravel/clay interface and the clay layer is fully saturated with capillary rise water. (c) Comment on the results. Unit weights: sandy gravel = 21 kN/m³ Clay 19 kN/m³
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:1. On a site, the topmost soil layer consists of a 3m layer of clay. The clay layer overlies a 5 m
layer of sandy gravel, which in turn overlies impermeable rock. Draw up total stress, pore
pressure and effective stress profiles down to the bottom of the sandy gravel for the
following conditions: (yw = 9.81 kN/m³)
Assume fully saturated capillary rise in clay above water table.
(a) Water table at the ground surface;
(b) Water table at the gravel/clay interface and the clay layer is fully saturated with capillary
rise water.
(c) Comment on the results.
Unit weights: sandy gravel = 21 kN/m³
Clay 19 kN/m³
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