Assignment
Engr 431. Final exam F 20 Name. _______________________________. Number. _________________
Find the POI depth.
Widely spaced friction piles
Engr 431. Quiz. Name_____________________________________Number______________
POI depth. =__________. H=___________. Number of equivalent corner columns=_____________.
Find the active and passive stresses and the sliding resistance force at the bottom of the wall at time t=0+ and t=infinity . Fill out the table. Draw and label the stresses on the figure. Find the factor of safety against sliding and overturning.
Engr 431. Final F 20 Name ______________. Number _______________.
Soil properties. Units are psf and lb/ft3.
Active stress determination
Passive stress determination.
Draw active and passive stresses and base force here:
Sliding resistance base force =____________________
Sliding resistance base force =____________________
Active stress determination
Engr 431. F 19 Name ______________. Number. _____________
Strength determination
Passive stress determination.Passive stress determination.Passive stress determination.
Active stress determinationActive stress determination
Draw active and passive stresses and base force here:
Fast shear
Slow shear.
Fast shear.
Complete the table on the next page.
For the clay find: c' and Phi ' and Su in situ at a depth of 1.5 m.
For the sand find: Phi '. All tests are triaxial. If no u- exc is shown, then it was not measured.
All tests are triaxial. If no u- exc is shown, then it was not measured.
All stresses are in kPa.
Complete the table on the next page.
For the clay find: c' and Phi ' and Su in situ at a depth of 1.5 m.
For the sand find: Phi '.
Fast shear.
Fast shear.
Fast shear
Slow shear.
All stresses are in kPa.
Fast shear.
Slow shear.
Slow shear.
Engr 431. F 20 Name ______________
Engr 431. Quiz 10/15/18 Name ______________. Number. _____________
Sand failure envelope. Clay-drained failure envelope.Sand failure envelope. Clay-drained failure envelope.Sand failure envelope. Clay-drained failure envelope.Sand failure envelope. Clay-drained failure envelope.