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