PRINCIPLES OF GEOTECH.ENGINEERING >LL+M
9th Edition
ISBN: 9781337583879
Author: Das
Publisher: CENGAGE L
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Chapter 12, Problem 12.2P
(a)
To determine
Find the principle stress at failure of the specimen.
(b)
To determine
Find the inclination of the major principle plane with the horizontal.
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1- Following data are given for a direct shear test conducted on dry sand: Normal stress: 120 lb/ft² and shear stress at
failure: 43 lb/ft²
a) Determine the angle of friction, o'
b) For a normal stress of 220 lb/ft², what shear force is required to cause failure?
c) What are the principal stresses at failure? (for the loads from part b)
d) What is the inclination of the major principal plane with the horizontal? (for the loads from part b)
Q # 3. Following data are given for a direct shear test conducted on dry sand:
Specimen dimensions: 63 mm x63 mm and 25 mm (height).
Normal stress: 105 kN/m?.
Shear force at failure: 300 N
a. Determine the angle of friction, for a normal stress of 180 kN/m?.
b. What shear force is required to cause failure?
Q # 3. Following data are given for a direct shear test conducted on dry sand:
Specimen dimensions: 63 mm × 63 mm and 25 mm (height).
Normal stress: 105 kN/m².
Shear force at failure: 300 N
Determine the angle of friction, for a normal stress of 180 kN/m².
b. What shear force is required to cause failure?
а.
Chapter 12 Solutions
PRINCIPLES OF GEOTECH.ENGINEERING >LL+M
Ch. 12 - Prob. 12.1PCh. 12 - Prob. 12.2PCh. 12 - Prob. 12.3PCh. 12 - Prob. 12.4PCh. 12 - Prob. 12.5PCh. 12 - Prob. 12.6PCh. 12 - Prob. 12.7PCh. 12 - Prob. 12.8PCh. 12 - Prob. 12.9PCh. 12 - Prob. 12.10P
Ch. 12 - Prob. 12.11PCh. 12 - Prob. 12.12PCh. 12 - Prob. 12.13PCh. 12 - Following are the results of...Ch. 12 - Prob. 12.15PCh. 12 - Prob. 12.16PCh. 12 - Prob. 12.17PCh. 12 - Prob. 12.18PCh. 12 - Prob. 12.19PCh. 12 - Prob. 12.20PCh. 12 - Prob. 12.21PCh. 12 - Prob. 12.22PCh. 12 - Prob. 12.23PCh. 12 - Prob. 12.24PCh. 12 - Prob. 12.1CTP
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