steeldesign shearconn fu 455

5
ENCE 455 ENCE 455 Design of Steel Structures VIII Simple Shear Connection VIII. Simple Shear Connection CCF Ph D PE C. C. Fu, Ph.D., P.E. Civil and Environmental Engineering Department Ui it fM l d University of Maryland Review Bolts and Welds Design bolt bearing strength ( L e 1.5d, s 3d) Design bolt shea st ength no th eads in shea planes ) 4 . 2 ( u n dtF R Φ = Φ Design bolt shear strength no threads in shear planes Design bolt shear strength threads in shear planes b b u n mA F R ) 50 . 0 ( 75 . 0 = Φ Design bolt tensile strength b b u n mA F R ) 40 . 0 ( 75 . 0 = Φ Design strength of the weld ϕR = 0 707wL(ϕF )= 0 707wL(0 75[0 6F ])=0 32wLF b b u n A F R ) 75 . 0 ( 75 . 0 = Φ 2 ϕR n = 0.707wL(ϕF w )= 0.707wL(0.75[0.6F EXX ])=0.32wLF EXX Double-Angle Connection For bolted connection (AISC Tables 10-1 or -2) 1 2 3 3 4 3 Double-Angle Connection For welded connection (AISC Table 10 3) 1a For welded connection (AISC Table 10-3) 2a 3a 3a 4

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  • 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 =Design bolt shear strength no threads in shear planes

    Design bolt shear strength threads in shear planes

    bbun mAFR )50.0(75.0=

    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=

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

    bbun AFR )75.0(75.0=

    2

    Rn = 0.707wL(Fw)= 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