Problem 7: The clay stratum shown in the profile below has a total vertical stress of 200 kN/m2 at its midheight with a voids ratio of 0.98. When the vertical stress increases to 500 kN/m2 the voids ratio decreases to 0.81. Find (a) the effective overburden pressure at mid-height of the compressible clay layer, and (b) the voids ratio of the clay if the total pressure at its mid-height is 1000 kN/m2. Elev. 760 ft. Sand and Gravel Unit Weight- 132 lb/n' Elev. 752 ft. Ground Water Table Sand and Gravel Unit Weight- 132 lb/ft' Elev. 732 ft. Clay Elev. 721 ft. Unit Weight-125.4 lb/ft Elev. 710 ft.
Problem 7: The clay stratum shown in the profile below has a total vertical stress of 200 kN/m2 at its midheight with a voids ratio of 0.98. When the vertical stress increases to 500 kN/m2 the voids ratio decreases to 0.81. Find (a) the effective overburden pressure at mid-height of the compressible clay layer, and (b) the voids ratio of the clay if the total pressure at its mid-height is 1000 kN/m2. Elev. 760 ft. Sand and Gravel Unit Weight- 132 lb/n' Elev. 752 ft. Ground Water Table Sand and Gravel Unit Weight- 132 lb/ft' Elev. 732 ft. Clay Elev. 721 ft. Unit Weight-125.4 lb/ft Elev. 710 ft.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Geotechnical
Transcribed Image Text:Problem 7:
The clay stratum shown in the profile below has a total vertical stress of 200 kN/m2 at its midheight with a voids ratio of 0.98. When the
vertical stress increases to 500 kN/m2 the voids ratio decreases to 0.81. Find (a) the effective overburden pressure at mid-height of the
compressible clay layer, and (b) the voids ratio of the clay if the total pressure at its mid-height is 1000 kN/m2.
Elev. 760 ft.
Sand and Gravel
Unit Weight-132 lb/f
Elev. 752 ft.
Ground Water Table
Sand and Gravel
Unit Weight-132 lb/ft
Elev. 732 ft.
Clay
Elev. 721 ft.
Unit Weight - 125.4 lb/ft'
Elev. 710 ft.
Transcribed Image Text:Elev. 760 ft.
Sand and Gravel
Unit Weight= 132 lb/ft
Elev. 752 ft.
Ground Water Table
Sand and Gravel
Unit Weight= 132 lb/ft
%3D
Elev. 732 ft.
Clay
O Elev. 721 ft.
Unit Weight = 125.4 lb/ft
%3D
Elev. 710 ft.
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