$Ghcfw_ggrPRK.*cfw_
\4. r I l' \
I'trCl.ae t l -erna-de?
CEf
q5a
FouNDAT\0NS
tolaefoq.
l
I
FRoBt-gFtt E *.R ' u*ilJl^q * il\ t navc 4 g'lu6n t ood , 'a1*ql*e J 'c,* i i.O l .' 3 50 K ' A p "opo"*d 'cf
Homework #5
CEE 452 FALL 2005 FOUNDATION ENGINEERING PROBLEM SET # 7
11.3
What is predrilling and when might it be used? What might happen if the predrill diameter or length was excessive? (2.0/2.0) P
CEE 452 FOUNDATIONS FALL 2005 Problem 25.5 Solution 1. Plot effective vertical effective stress versus depth on both sides of wall:
2.0 m
36 kN / m2
z
z
8.0 m
87 kN/m2
(87 + 8.5D) kN/m2 D 8.5 D kN /m2
CEE 452 FOUNDATIONS Problem 25.6
Fall 2009 Page 1 of 3
Problem 25.6 Refer to Cantilever Wall Design summary sheet (attached at end of file): Given: 18 ft tall wall, dry soil, = 37o, = 126 lb/ft3: For