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