ence 455 design of steel structures viii. simple shear connection c. c. fu, ph.d., p.e. civil and...

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