ENCE 455ENCE 455 Design of Steel Structuresg

VIII Simple Shear ConnectionVIII. Simple Shear Connection

C C F Ph D P EC. C. Fu, Ph.D., P.E.Civil and Environmental Engineering Department

U i it f M l dUniversity of Maryland

Review Bolts and WeldsDesign bolt bearing strength (Le ≥ 1.5d, s ≥ 3d)

Design bolt shea st ength no th eads in shea planes)4.2( un dtFR Φ=Φ

Design bolt shear strength – no threads in shear planes

Design bolt shear strength – threads in shear planesb

bun mAFR )50.0(75.0=Φ

es g bo t s ea st e gt t eads s ea p a es

Design bolt tensile strengthb

bun mAFR )40.0(75.0=Φ

Design strength of the weld ϕR = 0 707wL(ϕF )= 0 707wL(0 75[0 6F ])=0 32wLF

bb

un AFR )75.0(75.0=Φ

2

ϕRn = 0.707wL(ϕFw)= 0.707wL(0.75[0.6FEXX])=0.32wLFEXX

Double-Angle ConnectionFor bolted connection (AISC Tables 10-1 or -2)

1

2

33

4

3

Double-Angle Connection

For welded connection (AISC Table 10 3)

1a

For welded connection (AISC Table 10-3)

2a

3a3a

4

Double-Angle Connection (coped)For all bolted connection (AISC Tables 10 1 or 2

1

For all bolted connection (AISC Tables 10-1 or -2 w/ Tables 9-2, -3, & -4)

2

3

4

5

5

Double-Angle Connection (coped)

For bolted/welded connection (AISC Tables 10-2 or -3)

1a

2a

6

Unstiffened Seated ConnectionFor all bolted connection (AISC Table 10-5)

1

2

3

4

For bolted/welded connection (AISC Tables 10 5 & 6)

7

1a

10-5 & -6)

Stiffened Seated Connection

1

For all welded connection (AISC Tables 10-7 or 8)

2

3

4

5

6

8

6

Single-Plate gConnection

1

For single-plate connection (AISC Table 10-9)

2

9

Single-Plate Connection1

For extended single-plate connection

2

3

4

5

6

10

Single-Plate Shear Splice

For all bolted shear splce

1

2

3

1

3

4

55

6

11

Single-Plate Shear Splice

1a

For welded shear splice

2a2a

3a

4a

5a

6a

7a

12

8a

Bracket Plate Design

For bolt bracket plate

1

2

33

4

5

6

7

13

Bracket Plate Design

1a

For welded bracket plate

2a2a

3a

4a4a

5a

66a

14

Eccentrically-Loaded Group

Elastic Method(AISC Tables 7-7~14 for IC Method)

For bolt group

1

2

3

15

Eccentrically-Loaded Group

For welded group

Elastic Method(AISC Tables 8-4~11 for IC Method)

1a

For welded group

2a2a

3a

16

Single-Angle Connection

For all bolted single-angle connection (AISC T bl 10 10)

2

1(AISC Table 10-10)

3

4

2

4

5

17

6

Single-Angle Connection

1a

For bolted/welded single-angle connection

(AISC Tables 10-10 or -11)

2a

3a3a

18

Tee Connection

2

1

For all bolted tee connection

3

4

5

2

5

6

77

89

19

10

Tee Connection

2a

1a

For bolted/welded tee connection

3a3a

4a

5a

6a

7a

8a

9a10a

2011a