CE363_Fall2011_HW2_Solution

# CE363_Fall2011_HW2_Solution - METU, Civil Engineering...

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Unformatted text preview: METU, Civil Engineering Department CE 363 Soil Mechanics 2011‐12 Fall Homework 2 Solutions Q. 1 All stresses are in kPa. 4 m Sand, d = 16.5 kN/m3 Sand, s = 19.0 kN/m3 σ u σ’ 33 0 m 33 20 71 2 m 51 4 m Clay, s = 20.0 kN/m3 151 31 120 8 m Sand, s = 19.0 kN/m3 67 160 227 12 m Q. 2 All stresses are in kPa. σ Sand, d = 16 kN/m3 Capillary rise zone σ’ u 40 ‐10 0 m 40 50 2.5 m 3.5 m 60 60 3 Sand, s = 20 kN/m 65 190 1 125 10 m METU, Civil Engineering Department CE 363 Soil Mechanics 2011‐12 Fall Homework 2 Solutions Q. 3 0 m Sand, d = 16 kN/m3 48 48 Sand, s = 19 kN/m3 75 30 105 6 m 3 Sand, s = 19 kN/m 162 102 60 P1 123 long term short term 3 Clay, s = 20 kN/m P2 282 Initial hydrostatic pore pressure (u0) at depth 9 m is 3 * 10 = 30 kPa 30 3 19 16 39 kPa 90 3 19 16 99 kPa 2 3 m 120 9 m short term 162 183 15 m METU, Civil Engineering Department CE 363 Soil Mechanics 2011‐12 Fall Homework 2 Solutions Q. 4 2 d excavation Clay, s = 20 kN/m3 15 m 15 ‐d σ u For not to cause heave 15 20 15 6.5 6.4 3 2 10 ...
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## This note was uploaded on 12/30/2011 for the course CIVIL ENGI 363 taught by Professor Yener during the Spring '11 term at Auckland.

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