Can u solve this sand to a heightcapillary water: above this height the sand may be assumed to be dry.The saturated and dry unit weights, respectively, are 20 kN/m³ and16 kN/m³. Calculate the effective vertical stress in the sand 8 m belowthe surface.4 A layer of sand extends from ground level to a depth of 9 m andoverlies a layer of clay, of very low permeability, 6 m thick. The watertable is 6 m below the surface of the sand. The saturated unit weight ofthe sand is 19 kN/m³ and that of the clay 20 kN/m³: the unit weight ofthe sand above the water table is 16 kN/m³. Over a short period oftime the water table rises by 3 m and is expected to remainpermanently at this new level. Determine the effective vertical stress atdepths of 8 m and 12 m below ground level (a) immediately after therise of the water table, (b) several years after the rise of the water table.Soil:SoilX-X--2 m(1)(2)Fig. 3.9

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Engineering

Civil Engineering

Can u solve this

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Consolidation

Section: Chapter Questions

Problem 9.15P

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Question

Can u solve this

sand to a height
capillary water: above this height the sand may be assumed to be dry.
The saturated and dry unit weights, respectively, are 20 kN/m³ and
16 kN/m³. Calculate the effective vertical stress in the sand 8 m below
the surface.
4 A layer of sand extends from ground level to a depth of 9 m and
overlies a layer of clay, of very low permeability, 6 m thick. The water
table is 6 m below the surface of the sand. The saturated unit weight of
the sand is 19 kN/m³ and that of the clay 20 kN/m³: the unit weight of
the sand above the water table is 16 kN/m³. Over a short period of
time the water table rises by 3 m and is expected to remain
permanently at this new level. Determine the effective vertical stress at
depths of 8 m and 12 m below ground level (a) immediately after the
rise of the water table, (b) several years after the rise of the water table.
Soil:
Soil
X-
X--
2 m
(1)
(2)
Fig. 3.9

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