) Use the following log and determine for section 12342-12358ft: eded equations can be found in the textbook). a. UCS (unconfined compressive strength) b. What is the horizontal stress at 12350' in MPa neglecting pore pressure? c. What is the cohesion of the rock? Assume ov = 01 and get the cohesion from from the triaxial strength tests which relates So to UCS. d. Assume -30°. Use the cohesion and o, and os from above. Is this a safe stat

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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i (all
Q4) Use the following log and determine for section 12342-12358ft:
needed equations can be found in the textbook).
a. UCS (unconfined compressive strength)
b. What is the horizontal stress at 12350' in MPa neglecting pore pressure?
c. What is the cohesion of the rock? Assume ov = ơi and get the cohesion from the equation
from the triaxial strength tests which relates So to UCS.
d. Assume =30°. Use the cohesion and ơg and os from above. Is this a safe state of stress?
Use an accurate Mohr circle construction (use a compass) to visualize your answer.
e. Give the failure angle.
CAMMA RAY
CALIPER
BULK DENSITY
INTERVAL TRANSIT TIME
Morker A
Transcribed Image Text:i (all Q4) Use the following log and determine for section 12342-12358ft: needed equations can be found in the textbook). a. UCS (unconfined compressive strength) b. What is the horizontal stress at 12350' in MPa neglecting pore pressure? c. What is the cohesion of the rock? Assume ov = ơi and get the cohesion from the equation from the triaxial strength tests which relates So to UCS. d. Assume =30°. Use the cohesion and ơg and os from above. Is this a safe state of stress? Use an accurate Mohr circle construction (use a compass) to visualize your answer. e. Give the failure angle. CAMMA RAY CALIPER BULK DENSITY INTERVAL TRANSIT TIME Morker A
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