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For the foundation shown below, determine the effective pressure increase at the middle of the clay layer shown (below the sand layer), 1. by Boussinesq equation 2. by 1:2 method 3. by isobars Note: use SI units (1m=3.28 ft; 1 lb=4.448 N; 1 ton=9.81 kN)

For the foundation shown below, determine the effective pressure increase at the middle of the clay layer shown (below the sand layer), 1. by Boussinesq equation 2. by 1:2 method 3. by isobars Note: use SI units (1m=3.28 ft; 1 lb=4.448 N; 1 ton=9.81 kN)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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For the foundation shown below, determine the effective pressure increase at the middle of the clay layer shown (below the sand layer), 1. by Boussinesq equation 2. by 1:2 method 3. by isobars Note: use Sl units (1m=3.28 ft; 1 Ib=4.448 N; 1 ton=9.81 kN) 50 ton (net load) Sand 4:5 ft: y=100 lb/ft? Groundwater 5 ft X 5 ft tablė Sand 3 ft Yšat=122 lb/ft³. Ysat =120'lb/ft3: = 0.7 Ȩ= 0.25 C = 0.06 10 ft Preconsolidation pressure = 2000 lb/ft?
Transcribed Image Text:For the foundation shown below, determine the effective pressure increase at the middle of the clay layer shown (below the sand layer), 1. by Boussinesq equation 2. by 1:2 method 3. by isobars Note: use Sl units (1m=3.28 ft; 1 Ib=4.448 N; 1 ton=9.81 kN) 50 ton (net load) Sand 4:5 ft: y=100 lb/ft? Groundwater 5 ft X 5 ft tablė Sand 3 ft Yšat=122 lb/ft³. Ysat =120'lb/ft3: = 0.7 Ȩ= 0.25 C = 0.06 10 ft Preconsolidation pressure = 2000 lb/ft?
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