(c) In the soil profile below (Figure Q4c), a piezometer was placed at point A. The hight of water in the piezometer after a period of rising, reached to, and stopped at the ground water table (GWT) level (came to equilibrium). if a uniformly distributed surcharge load (spreading over an infinite area) of 120 kN/m² is applied on the ground surface (assuming uniform increase of initial excess pore water pressure through the whole thickness of the clay layer): i. What will be the height of water in the piezometer above ground water level (h) immediately after applying the surcharge?
(c) In the soil profile below (Figure Q4c), a piezometer was placed at point A. The hight of water in the piezometer after a period of rising, reached to, and stopped at the ground water table (GWT) level (came to equilibrium). if a uniformly distributed surcharge load (spreading over an infinite area) of 120 kN/m² is applied on the ground surface (assuming uniform increase of initial excess pore water pressure through the whole thickness of the clay layer): i. What will be the height of water in the piezometer above ground water level (h) immediately after applying the surcharge?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:(c)
In the soil profile below (Figure Q4c), a piezometer was placed at point A. The hight of
water in the piezometer after a period of rising, reached to, and stopped at the ground
water table (GWT) level (came to equilibrium). if a uniformly distributed surcharge load
(spreading over an infinite area) of 120 kN/m? is applied on the ground surface
(assuming uniform increase of initial excess pore water pressure through the whole
thickness of the clay layer):
What will be the height of water in the piezometer above ground water level (h)
immediately after applying the surcharge?
i.
After 100 days of load staying in place the height of water in the piezometer is
5m above the ground water level. Determine the coefficient of consolidation for
the clay in cm?/sec.
ii.
How many days will it take for the height of water in the piezometer to fall to the
ground level.
iii.
120 kPa
2m
GWT
Sand
3m
Sand
1.5m
3m
Clay
A
Bedrock
Figure Q4c
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