
42 Forensic Engineering Fundamentals
e cross-sectional diagrams in Figure 2.29 show only a friction force preventing the
wall from moving at the base. During the inspection, no anchor bolts or other meth-
ods of attachment to the foundation block were observed. Although there may be a wall
attachment to the foundation elsewhere around the home, none were found in the area
of damage.
Summing forces according to the coordinate system in Figure 2.29: From the prin-
ciples of static friction
(2.85)
FFfFNW
=−==
00
:; ;
(2.86)
26΄
58 plf
Foundation
y
x
W
F
f
1
΄ Cross sectio
f
Figure 2.29 Wall cross-section. Where W is the load (lb), N is the ...