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ENCE 455 Design of Steel
Structures
VIII. Simple Shear Connection
C. C. Fu, Ph.D., P.E.Civil and Environmental Engineering
DepartmentUniversity of Maryland
2
Review Bolts and WeldsDesign bolt bearing strength (Le ≥ 1.5d, s ≥ 3d)
Design bolt shear strength – no threads in shear planes
Design bolt shear strength – threads in shear planes
Design bolt tensile strength
Design strength of the weld Rn = 0.707wL(Fw)= 0.707wL(0.75[0.6FEXX])=0.32wLFEXX
bbun mAFR )50.0(75.0
bbun mAFR )40.0(75.0
)4.2( un dtFR
bbun AFR )75.0(75.0
3
Double-Angle Connection
For bolted connection (AISC Tables 10-1 or -2)
1
2
3
4
4
Double-Angle Connection
1a
For welded connection (AISC Table 10-3)
2a
3a
5
Double-Angle Connection (coped)
1
2
3
5
4
For all bolted connection (AISC Tables 10-1 or -2 w/ Tables 9-2, -3, & -4)
6
Double-Angle Connection (coped)
1a
For bolted/welded connection (AISC Tables 10-2 or -3)
2a
7
Unstiffened Seated Connection
2
3
For all bolted connection (AISC Table 10-5)
1
4
1a
For bolted/welded connection (AISC Tables 10-5 & -6)
8
Stiffened Seated Connection
2
3
4
1
5
6
For all welded connection (AISC Tables 10-7 or 8)
9
Single-Plate Connection
2
1
For single-plate connection (AISC Table 10-9)
10
Single-Plate Connection
2
3
4
1
5
6
For extended single-plate connection
11
Single-Plate Shear Splice
2
3
4
For all bolted shear splce
1
5
6
12
Single-Plate Shear Splice
1a
For welded shear splice
2a
3a
4a
5a
6a
7a
8a
13
Bracket Plate Design
2
3
4
For bolt bracket plate
1
5
6
7
14
Bracket Plate Design
1a
For welded bracket plate
2a
3a
4a
5a
6a
15
Eccentrically-Loaded Group
For bolt group
2
3
1
Elastic Method(AISC Tables 7-7~14 for IC
Method)
16
Eccentrically-Loaded Group
1a
For welded group
2a
3a
Elastic Method(AISC Tables 8-4~11 for IC
Method)
17
Single-Angle Connection
3
4
5
6
2
1
For all bolted single-angle connection (AISC Table 10-10)
18
Single-Angle Connection
2a
1a
For bolted/welded single-angle connection
(AISC Tables 10-10 or -11)
3a
19
Tee Connection
3
4
5
6
2
1
7
8
9
10
For all bolted tee connection
20
Tee Connection
2a
1a
For bolted/welded tee connection
3a
4a
5a
6a
7a
8a
9a
10a
11a