ECCENTRICALLY LOADED CONNECTIONS
(BRACKETS)
PROBLEMS:
1. An eccentric load of 66
kN is acting as shown in
the figure.
a. Using elastic method,
compute for the
maximum force on the
most stressed rivet.
b. Using the reduced
eccentricity method,
compute for the
maximum force on the most stressed rivet.
c. Using ultimate strength method, compute for the
maximum force on the most stressed rivets.
2. A bracket shown in
figure is subjected to an
eccentric load P acting an
eccentricity e = 125 mm.
Allowable shearing stress
of rivets is 110 MPa.
a. Compute the safe
value of P using
elastic analysis
method.
b. Compute the safe
value of P using
reduced eccentricity
method.
c. Compute the safe value of P using ultimate strength
method.
3. A bracket shown in
figure carries an eccentric
load of 80 kN at an
eccentricity of 250 mm.
Diameter of the bolt is
20mm. Using ultimate
strength method of analysis
Compute the reaction of
bolt A, B, and C due to
shear and torsion.
4. A bracket shown in
figure carries an eccentric
load of 30 kN at an
eccentricity of 200mm.
Diameter of bolts is 20mm.
Use the reduced
eccentricity method of
analysis.
a. Compute the shearing
stress of bolt A.
b. Compute the shearing
stress of bolt B.
c. Compute the shearing stress of bolt C.
5. The bracket shown
in the figure is bolted
with 5-20 mm dia
bolts. It carries an
eccentric load of P =
35 kN. Using elastic
method of analysis.
a. Compute the
location of the
centroid of the group
of bolts measured to
the left of A and
below that of A.
b. Compute the shearing stress of bolt A and B.
6. A bracket
supporting a crane
runway is connected
to a supporting
column by 10
fasteners shown
using an A325 bolts
with a diameter of 28
mm. Compute the
shearing stress at bolt
A, B, and C.