CEGE 4311: Rock Mechanics
Fall 2016
Homework #3
(due 4 Oct 16)
1. Consider a two dimensional (zz = 0) stress state of pure shear, which can be described by two equivalent
stress states: (i) shear stress and no normal stress on the x- and y-planes or (ii)
CEGE 4311: Rock Mechanics
Fall 2016
Homework #2
(due 27 Sep 16)
1. Normal strains were measured on a flat bench in a dimension stone quarry using a 0-45-90 strain
rosette and the overcoring (stress-relief) technique. The 0-gage is oriented N60E.
(0) = -14
Problem 1 50 Total
Check Spacing 10 pts.
o Minimum 3
o Minimum edge 2
o Maximum 2
o Wrench 2
o Discussion 1
Determine Pu 10 pts.
o YOG 2
o FON 8
Justification of U-value 1
Correct 3 Failure Paths 3
Correct Calculation Setup for each Path 1 ea.
Calcula
CE 4401 Fall 2015
Homework #1 Grading
Problem 1
a. Show = hand calculations
b. Show Member #7 calculations for load combination Eq 2-3d
Wrong equation
Wrong load multiplication
Missing case or explanation for neglecting Lr case
c. Maximum tension and comp
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https:/www.coursehero.com/file/9669236/Steel-and-Reinforced-Concrete-Design-Exam-One/
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https:/www.coursehero.com/file/9669
Problem 1
Yield on Gross 8pts
Fracture on Net 8pts
Rmin 2pts
Check rs 3pts
Member Selection 4pts
Problem 2
Yield on Gross 5pts
Fracture on Net 5pts
Rmin 1pt
Check rs 2pts
Member Selection 2pts
Dwmin 1pt
Dwmax 1pt
Lwmin 1pt
Lwmax 1pt
Dw from end 1pt
Weld S
CEGE 4311: Rock Mechanics
Fall 2016
Homework #1
(due 20 Sep 16)
1. Write an algorithm, using software or a programming language of your choice, to calculate the
normal n and shear s stresses, magnitude and direction, on a plane with outward normal n, give