FE Exam Review - FE Civil - Geotechnical - Direct Shear Test
Let's learn how to solve for the shear force given the normal load at failure after conducting a direct shear test on a soil sample. This practice problem is a computational type FE style question where we will make use of the relevant FE Handbook 10.1 equations. The following topic is covered under the Civil FE Exam, specifically under:
12. Geotechnical Engineering
C. Laboratory and field tests
F. Shear strength
Check out this blog post summarizing soil shear strength:
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Timecodes:
0:00 - Introduction
0:19 - FE Problem Statement Introduction/Concept
5:31 - Applicable FE Handbook 10.1 Equations
8:05 - Solving problem
16:40 - The DirectHUB Method - Right Mindset, Right Skills, Right Resources
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Пікірлер: 10
Thanks Teacher,
In my FE Exam, I have almost similar problem, but angle of friction was not given. What 1 should assume if not given.
@directhubfeexam
Жыл бұрын
It was probably a clay soil that was tested? The angle of friction for pure clay is zero. They expect us to know this unfortunately.
@rayyankhawar3870
Жыл бұрын
@@directhubfeexam I believe it was sand. I noticed we may calculate angle of friction first, if both normal and shear load are given, then T, your opinion?
@directhubfeexam
Жыл бұрын
@@rayyankhawar3870yes you can! What was the question asking you to find specifically?
@rayyankhawar3870
Жыл бұрын
@@directhubfeexam L , W , H of a specimen under shear test of sand was given with normal (lb) and shear load (lb) and was asked to find shear stress or shear load. don't remember exactly. was no angle given.
@directhubfeexam
Жыл бұрын
@@rayyankhawar3870 ahh I see now. Yes so you would find the shear stress first doing by taking the shear load over cross sectional area (LxW). Then you plug the shear stress into the shear stress at failure equation to find the angle of friction. Then you can find the total shear stress by using the same formula.