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    Design of Base Plate 1

    Uploaded by

    Andro Rebuyas
    This document provides design details for the base plate connection of a proposed two story residential building, including: 1. STAAD input values, wind factor, and connection capacities such as bearing, tension, and shear. 2. Concrete pedestal and column section details like grade, dimensions, and reinforcement. 3. A diagram of the base plate. 4. Connection details like the standard base plate code and material properties, as well as weld data. 5. Calculations of axial capacities from concentric bearing pressure, base plate bending, and tensile capacity. 6. Anchor bolt capacities including tension, shear, and pull out. 7. Weld capacities for

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    Design of Base Plate 1

    Uploaded by

    Andro Rebuyas
    143 views2 pages
    This document provides design details for the base plate connection of a proposed two story residential building, including: 1. STAAD input values, wind factor, and connection capacities such as bearing, tension, and shear. 2. Concrete pedestal and column section details like grade, dimensions, and reinforcement. 3. A diagram of the base plate. 4. Connection details like the standard base plate code and material properties, as well as weld data. 5. Calculations of axial capacities from concentric bearing pressure, base plate bending, and tensile capacity. 6. Anchor bolt capacities including tension, shear, and pull out. 7. Weld capacities for

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    This document provides design details for the base plate connection of a proposed two story residential building, including: 1. STAAD input values, wind factor, and connection capacities such as bearing, tension, and shear. 2. Concrete pedestal and column section details like grade, dimensions, and reinforcement. 3. A diagram of the base plate. 4. Connection details like the standard base plate code and material properties, as well as weld data. 5. Calculations of axial capacities from concentric bearing pressure, base plate bending, and tensile capacity. 6. Anchor bolt capacities including tension, shear, and pull out. 7. Weld capacities for

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    143 views2 pages

    Design of Base Plate 1

    Uploaded by

    Andro Rebuyas
    This document provides design details for the base plate connection of a proposed two story residential building, including: 1. STAAD input values, wind factor, and connection capacities such as bearing, tension, and shear. 2. Concrete pedestal and column section details like grade, dimensions, and reinforcement. 3. A diagram of the base plate. 4. Connection details like the standard base plate code and material properties, as well as weld data. 5. Calculations of axial capacities from concentric bearing pressure, base plate bending, and tensile capacity. 6. Anchor bolt capacities including tension, shear, and pull out. 7. Weld capacities for

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 2

    DESIGN OF BASE PLATE (PINNED SUPPORT)

    ASpectrum Designs Plus Engineering Services Project Title: Proposed Two Storey Residential Building
    Address: 8487 Sandoval Avenue, Pinagbuhatan, Pasig City 1602 Project Location: Villa Cuana Phase 1, Pinagbuhata, Pasig City 1602
    Contact: 09982028893 Structural Engineer: Engr. Andro S Rebuyas, RCE, ME-1, RMP, M.Eng-SE
    Gmail add: asrebuyas.wvc@gmail.com Membership: M.PICE, M.ASCE, M.PAMEA, M.FPEA, M.PSUMP, M.NAMPAP, M.SEAD

    STAAD INPUT, WIND FACTOR AND CONNECTION CAPACITY

    STAAD INPUT CONNECTION CAPACITY

    V= 50.00 kN Horizontal Shear B= 165.60 kN Bearing


    T= 126.14 kN Tension
    WIND FACTOR S= 85.45 kN Shear

    WF = 1.00 Wind Factor

    CONCRETE PEDESTAL AND COLUMN SECTION

    CONCRETE PEDESTAL COLUMN SECTION

    Grade = M25 Grade Grade = A36


    f'c = 2.50 kN/cm2 Compressive Strength of Concrete Fu = 40.00 kN/cm2 Steel Tensile Strength
    Fp = 0.88 kN/cm2 Allowable Pressure Fy = 24.80 kN/cm2 Steel Yield Strength
    a= 250 mm Width Width Thk.
    b= 320 mm Length (bf1) (tf1) = 200 10 mm Top Flange
    A2 = 800 cm2 Area of Pedestal (a x b) (dw) (tw) = 250 4 mm Web
    (bf2) (tf2) = 200 10 mm Bottom Flange
    d= 270 mm Total Depth of Column

    BASE PLATE DIAGRAM

    CONNECTION DETAILS AND WELD DATA

    CONNECTION DETAILS WELD DATA

    SBPC = SBC-109 Standard Base Plate Code Fu = 48.23 kN/cm2 For E70XX Electrode
    BG = A36 Bolt Grade ASIW = 0.3 x Fu kN/cm2 Allowable Stress in weld
    Fu = 40.00 kN/cm2 Tensile Strength ASIW = 14.47 kN/cm2 Allowable Stress in weld
    Ft = 13.20 kN/cm2 Allowable Tensile Stress SOW = 5.00 mm Size of Weld
    Fv = 6.80 kN/cm2 Allowable Shear Stress
    A= 250 mm Width
    B= 300 mm Length
    tp = 16 mm Thickness
    n= 4 mm Number of Holes
    db = 20 mm Bolt Diamter
    dh = 26 mm Hole Diameter
    g= 100 mm Gage
    p= 100 mm Pitch
    ed1 115 mm Edge Distance
    A1 = 750 cm2 (AxB) Area of Base Plate
    BPG = A572 Base Plate Grade
    Fu = 45.00 kN/cm2 Steel Tensile Strength
    Fy = 34.50 kN/cm2 Steel Yield Strength
    Fb = 25.88 kN/cm2 Steel bending Strength

    AXIAL CAPACITY DUE TO CONCENTRIC BEARING PRESSURE, P1

    P1 = 677.77 kN 0.35 fc' sqrt ( A2 x A1) <= 0.7 fc' A1

    AXIAL CAPACITY DUE TO BASE PLATE BENDING, P2

    L= 5.02 cm tb / ( 3 x Fp / Fb )0.5
    Atb = 371.26 cm2 2L x (d + bf - 2L)

    P2 = 324.85 kN
    AXIAL CAPACITY DUE TO BASE PLATE BENDING (CANTILEVER TYPE), P3

    m= 21.75 mm (B - 0.95 d) / 2 M= fp Xc2 / 2


    n= 45.00 mm (A - 0.8 bf) / 2 fp = P3 / A B
    n' = 100.00 mm sqrt (d bf ) / 4 <= bf / 2 M= P3 Xc2 / 2 A B
    q= 0.98 4fpdbf / (d+bf)2fp <= 1.00 M / Zp < = 0.75 Fy
    λ= 1.00 2[1-sqrt(1-q)] / sqrt(q) <=1.00 Zp = tb 2 / 6
    λ n' = 100.00 mm P3 = 165.60 kN tb2 x Fb x A x B / 3 Xc2
    Xc = 10.00 cm max (m, n, λ n' )

    TENSILE CAPACITY, Pt

    w= 250.00 mm Min [ dw or ( 2g + db ),( 4g + 2db ),( 6g + 3db ) ]


    Zp = 10.67 cm3 w t b2 / 6
    G= 48.00 mm ( g - tw ) / 2
    Pt = 230.00 kN n x Zp x 0.6 x Fy / G

    ANCHOR BOLT CAPACITIES

    Tc = 165.88 kN Tensile Capacity Ft x Ab x n


    Sc = 85.45 kN Shear Capacity Fv x Ab x n
    Poc = 166.90 kN Pull Out Capacity [ ( p x db ) x Le ] x u x n
    fv = 3.98 kN/cm2 Calculated Shear Stress / Bolt V / Ab n
    Ts = 10.04 kN/cm2 Allowable Tensile Stress with Shear [ ( 0.43 Fu ) - ( 1.8 fv ) ]
    Tcws = 126.14 kN Tension Capacity with Shear Ts x Ab x n

    WELDS

    Lww = 460 mm Length of Weld at Web 2 ( dw - 20 )


    Lwf = 800 mm Length of Weld at Flange 2 x ( bf1 + bf2 )

    wcs = 235.28 kN Weld Capacity Shear 0.707 x S x Fw x Lww


    wcs = 409.18 kN Weld Capacity Tension 0.707 x S x Fw x Lwf

    This Spreadsheets is licensed only to Engr. Andro S. Rebuyas, RCE, ME-1, RMP, M.Eng-SE

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