Structural Steel Design (6th Edition)
6th Edition
ISBN: 9780134589657
Author: Jack C. McCormac, Stephen F. Csernak
Publisher: PEARSON
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Question
Chapter 4, Problem 4.18PFS
To determine
The selection of a pair ofC10channels for a tension member.
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2-PL10x1/2
A-36
Bolts are 7/8 in A-325,
threads are not excluded.
All edge spacings are minimum
| 3" | 3" |
о
PL 10x3/4
A-572Gr50
a) Determine the nominal bolt capacity.
b) Determine the nominal bearing capacity for each plate.
c) Determine the nominal rupture capacity of each plate.
d) What is the nominal capacity of the connection?
e) Using LRFD, is this connection capable of supporting a dead load of 150 kip and a live
load of 100 kip?
A tension connection consists of A36 steel double angles (two L4x4x1/4 shapes, or 2L4x4x1/4)
fastened to a 4x10 No. 2 Red Oak member with a single row of four 0.875 inch A307 bolts.
The connection is subjected to normal temperatures but wet in-service conditions. Assume
the group action factor is C,=0.95 and the geometry factor is Ca=1. The controlling ASD
load combination is D+ L where L is from occupancy.
Elevation
Cross Section
L4x4x1/4
L4x4x1/4
Pa
Р.
2L4x4x1/4
4х10
4x10
Plan
L4x4x1/4
Pa/2
Pa
4x10
L4x4x1/4
Pa/2
• Determine the load, Pa, that the connection can support based on tension strength of
the 4x10.
Pa=.
lb
• Determine the load, Pa, that the connection can support based on gross tension yield
of the double angles. The ASD design strength for gross tension yield is F,A,/1.67
where F=36 ksi, A,=1.93 in² for each L4x4x1/4.
Pa=.
lb
4. Determine the service load capacity of 2C10X20 channels
as a truss member attached to a 7/8 in gusset plate as shown
in Figure e5.20. The steel is A572 Grade 65 and the 7/8 in
diameter A325 bolts are in a bearing-type connection (A325-
X) with no threads in the shear planes. The load is 25% dead
load and 75% live load
O
4@3-1-0
O
C10 x 20
Chapter 4 Solutions
Structural Steel Design (6th Edition)
Ch. 4 - Prob. 4.1PFSCh. 4 - Prob. 4.2PFSCh. 4 - Prob. 4.3PFSCh. 4 - Prob. 4.4PFSCh. 4 - Prob. 4.5PFSCh. 4 - Prob. 4.6PFSCh. 4 - Prob. 4.7PFSCh. 4 - Prob. 4.8PFSCh. 4 - Prob. 4.9PFSCh. 4 - Prob. 4.10PFS
Ch. 4 - Prob. 4.11PFSCh. 4 - Prob. 4.12PFSCh. 4 - Prob. 4.13PFSCh. 4 - Prob. 4.14PFSCh. 4 - Prob. 4.15PFSCh. 4 - Prob. 4.16PFSCh. 4 - Prob. 4.17PFSCh. 4 - Prob. 4.18PFSCh. 4 - Prob. 4.19PFSCh. 4 - Prob. 4.20PFSCh. 4 - Prob. 4.21PFSCh. 4 - Prob. 4.22PFSCh. 4 - Prob. 4.23PFSCh. 4 - Prob. 4.24PFSCh. 4 - Prob. 4.25PFSCh. 4 - Prob. 4.26PFS
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