we were told that the sigma y going up the sign is supposed to be negative in rock mechanics. ( I am confused, can you explain please) and the formula given to us about txy' does have a negative sign. I try it before posting those questions to verify my answer but because of those sign answer are different
we were told that the sigma y going up the sign is supposed to be negative in rock mechanics. ( I am confused, can you explain please) and the formula given to us about txy' does have a negative sign. I try it before posting those questions to verify my answer but because of those sign answer are different
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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we were told that the sigma y going up the sign is supposed to be negative in rock
and the formula given to us about txy' does have a negative sign.
I try it before posting those questions to verify my answer but because of those sign answer are different.
Expert Solution
Step 1: Introduction
The sign convention assumed can vary from person to person.
It is the final representation on the element that needs to be same.
Suppose the sign convention as,
Tensile stress as (+)ive and compressive stress as (-)ive
Shear along (+)ive plane and (+)ive direction is (+)ive.
Shear along (-)ive plane and (-)ive direction is (+)ive.
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