Answered: Please help me solve The soil profile…

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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The soil profile and soil properties at a site are shown
in the table below. A group of 12 concrete piles in a
3 x 4 matrix and of length 12 m is used to support a load.
The pile diameter is 0.45 m and pile spacing is 1.5 m.
Determine the allowable load capacity for a factor of
safety of 2. Calculate the total settlement (elastic and
consolidation) under the allowable load. Assume Ep 5
20 x 10⁶
kPa.

Transcribed Image Text:Practical 13.11 The soil profile and soil properties at a site are shown in the table below. A group of 12 concrete piles in a 3 x 4 matrix and of length 12 m is used to support a load. The pile diameter is 0.45 m and pile spacing is 1.5 m. Determine the allowable load capacity for a factor of safety of 2. Calculate the total settlement (elastic and consolidation) under the allowable load. Assume E, = 20 x 10° kPa. Туре of deposit Depth (m) Soil test results O to 3 y = 17 kN/m³, d's = 28° Sand Groundwater E0 = 19 MPa level at 3 m Ysat = 17.5 kN/m³, d = 30° E's0 = 18 MPa 3 to 6 Sand %3D 18.5 kN/m3, des = 27° S, = 30 kPa Cc = 0.4, C, = 0.06, 6 to 15 Clay Ysat %3D OCR = 1.5 E'so = 30 MPa, v' = 0.3 Ysat = 18 kN/m³, d''s = 24° s, = 20 kPa Cc = 0.8, OCR = 1.0 Es, = 10 MPa, v' = 0.3 15 to 17 Soft clay >17 Rock

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