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Compsite 1 (Recovered)

Jul 07, 2018

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  • 8/19/2019 Compsite 1 (Recovered)

    1/42

    Location Grid 1-1

    4 m 1 Shear 35.63 kN

    3.75 m 3.7526.38 kNm

    19.8 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790679.71 mm^4 t 125 mmd 204.724 mm Sx 398205.6552 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design Assumptions

    Computations

    Uniform Load

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

  • 8/19/2019 Compsite 1 (Recovered)

    2/42

    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790679.71

    73962153.77

    Ix slab 46733468.14

    Ixx' 161486301.6

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

  • 8/19/2019 Compsite 1 (Recovered)

    3/42

    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 161486302

    M resistin 120.01 kNm 120.01 > 26.38

    M service 26.38 kNm

    Smaller of the

    Two

    Vh 1099.6875 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.99868 kN

    No. of shear connecto 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.41 mm Safe

    Check for Bending Stress

    Shear Connections

    Check for Deflection

    SECTION IS ADQEUATE

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

    4/42

    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) is 0.4 Fy.

    Fave 24.0 Mpa

    Fallow 99.2 MpaSafe

    Check for Shear 

    Fave =

      V

    dt w

  • 8/19/2019 Compsite 1 (Recovered)

    5/42

    Location Grid 2-2

    4 m 1 Shear 43.266 kN

    3.875 m 3.87534.514 kNm

    25.9 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

  • 8/19/2019 Compsite 1 (Recovered)

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

  • 8/19/2019 Compsite 1 (Recovered)

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 34.514

    M service 34.514 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.53 mm Safe

    Check for Deflection

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 29.2 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

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    9/42

    Location Grid 3-3

    4 m 1 Shear 41.668 kN

    4 m 432.973 kNm

    24.7 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

  • 8/19/2019 Compsite 1 (Recovered)

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

    Stress Diagram

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

  • 8/19/2019 Compsite 1 (Recovered)

    11/42

    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 32.973

    M service 32.973 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.51 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 28.1 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

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    13/42

    Location Grid 4-4

    4 m 1 Shear 43.604 kN

    3.875 m 3.87534.732 kNm

    26.0 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

  • 8/19/2019 Compsite 1 (Recovered)

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

  • 8/19/2019 Compsite 1 (Recovered)

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 34.732

    M service 34.732 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.54 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

    16/42

    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 29.4 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

  • 8/19/2019 Compsite 1 (Recovered)

    17/42

    Location Grid 5-5

    4 m 1 Shear 35.595 kN

    3.875 m 3.87526.278 kNm

    19.7 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

  • 8/19/2019 Compsite 1 (Recovered)

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

  • 8/19/2019 Compsite 1 (Recovered)

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 26.278

    M service 26.278 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.41 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

    20/42

    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 24.0 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

  • 8/19/2019 Compsite 1 (Recovered)

    21/42

    Location Grid A-A

    4 m 1 Shear 40.402 kN

    3.875 m 3.87533.179 kNm

    24.9 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

  • 8/19/2019 Compsite 1 (Recovered)

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    PASSED

    Moment of Inertia for the Composite Section

    Stress Diagram

    Check the stress for concrete

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

  • 8/19/2019 Compsite 1 (Recovered)

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 33.179

    M service 33.179 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.51 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 27.3 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

  • 8/19/2019 Compsite 1 (Recovered)

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    Location Grid B-B

    4 m 1 Shear 89.59 kN

    3.875 m 3.875111.669 kNm

    83.8 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design Assumptions

    Computations

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 111.669

    M service 111.669 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 1.73 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

  • 8/19/2019 Compsite 1 (Recovered)

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 60.5 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

  • 8/19/2019 Compsite 1 (Recovered)

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    Location Grid C-C

    4 m 1 Shear 106.565 kN

    4 m 4149.915 kNm

    112.4 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 10 x 33 B 1000 mm

     A 6264.504 sq.mm Ix 70759342.35 mm^4 t 125 mmd 247.142 mm Sx 573547.24 cu.mm

    tw 7.366 mm

    bf 202.184 mm

    tf 11.049 mm

    weight 49.11 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 247.142 mm

    y2 225.044 mm

    y3 11.049 mm

    y4 125 mm

    x1 106.84 mm

    y' 121.91 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

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    y' 121.91 mm

    y'' 250.23 mm

    fs 163.68 Mpa

    fs' 79.75 Mpa

    fs concret 8.52 Mpa

     Allowable Stress in concrete 9.315 > 8.52

    Fc 9.315 Mpa

    fs concrete 8.52 Mpa

    Inertia of the composite section

    y' 121.91 mm

    x' 126.66 mm

    Ix section 70759342

    1E+08

    Ix slab 64529251

    Ixx' 2.36E+08

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     =   

    3

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    fs 163.68 Mpa c (tension side) 250.23 mm

    Ixx' 2.36E+08

    M resistin 154.23 kNm 154.23 > 149.915

    M service 149.915 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 776.7984 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 776.7984 kN

    No. of shear connect 16 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 1.59 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) is 0.4 Fy.

    Fave 58.5 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

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    Location Grid D-D

    4 m 1 Shear 89.586 kN

    3.875 m 3.875111.813 kNm

    83.9 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

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    y' 109.48 mm

    y'' 220.24 mm

    fs 163.68 Mpa

    fs' 81.36 Mpa

    fs concret 8.69 Mpa

     Allowable Stress in concrete 9.315 > 8.69

    Fc 9.315 Mpa

    fs concrete 8.69 Mpa

    Inertia of the composite section

    y' 109.48 mm

    x' 117.88 mm

    Ix section 40790680

    73962154

    Ix slab 46733468

    Ixx' 1.61E+08

    Stress Diagram

    Check the stress for concrete

    PASSED

    Moment of Inertia for the Composite Section

      = 0.66

      =  ′

    ′′

     

     = ′

    =  +  +

     ()

     = 

    3

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 111.813

    M service 111.813 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 1.73 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 60.4 Mpa

    Fallow 99.2 MpaSafe

    Check for Shear 

    Fave =

      V

    dt w

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    Location Grid E-E

    4 m 1 Shear 40.851 kN

    3.875 m 3.87533.333 kNm

    25.0 kN/m

    Material Properties

    f'c 20.7 Mpa Ec 21384 Mpa

    fy 248 Mpa Strength of each shear connector 51.3 kN/pc

    Es 200000 Mpa

    Beam Properties Concrete Slab Properties

    Section W 8x 28 B 1000 mm

     A 5322.57 sq.mm Ix 40790680 mm^4 t 125 mmd 204.724 mm Sx 398205.7 cu.mm

    tw 7.239 mm

    bf 165.989 mm

    tf 11.811 mm

    weight 41.67 kg/m

    Fb 0.66Fy Full shoring is provided

    Fc 0.45f'c

    Modular ratio (n) 9.36

    Eff. Width of concrete 106.84 mm

    y1 204.724 mm

    y2 181.102 mm

    y3 11.811 mm

    y4 125 mm

    x1 106.84 mm

    y' 109.48 mm

    Design of Non-Encased Composite Beams

    Beam span (c.c)

    SpacingMoment

    Uniform Load

    Design Assumptions

    Computations

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    fs 163.68 Mpa c (tension side) 220.24 mm

    Ixx' 1.61E+08

    M resistin 120.01 kNm 120.01 > 33.333

    M service 33.333 kNm

    Smaller of the

    Two

    Vh 1099.688 kN Vh 659.9987 kN

    where:

    Vh shear strength to be resisted

    f'c compressive strength of concrete

    Fy Yield strength of steel section

     Ac Area of slab concrete (effective area)

     As Area of steel section

    Vh 659.9987 kN

    No. of shear connect 13 pcs

    Specs:

    Lateral concrete cover 25mm

     Allowable Deflection

    δa 11.11 mm

    ∆ 0.52 mm Safe

    Check for Bending Stress

    SECTION IS ADQEUATE

    Shear Connections

    Check for Deflection

     =  ′

    ℎ = 0.85′

    2

    ℎ = 

    2

    δa =  L360

    ∆= 

    384

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    It can be assumed that the section is compact due to the additional resistance

    of slab in the compression side. Therefore, Fv (allowable shear stress) 0.4 Fy.

    Fave 27.6 Mpa

    Fallow 99.2 Mpa

    Check for Shear 

    Safe

    Fave =

      V

    dt w

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