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    Curvature Ductility,: Uniaxial

    Uploaded by

    Húber Ospina
    1) The document analyzes the shear force envelope and reinforcement requirements for a 7-story uniaxial wall considering a selected curvature ductility of 9. It provides details on the shear forces and reinforcement at each floor level. 2) Key values presented include the nominal shear strength of 19973 kN, the steel and concrete contributions to shear strength, and the neutral axis depth, steel ratio, and principal stresses at each level. 3) It determines that the selected transverse reinforcement at the base is appropriate and checks various stress limits at each level.

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    © All Rights Reserved
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    Curvature Ductility,: Uniaxial

    Uploaded by

    Húber Ospina
    11 views1 page
    1) The document analyzes the shear force envelope and reinforcement requirements for a 7-story uniaxial wall considering a selected curvature ductility of 9. It provides details on the shear forces and reinforcement at each floor level. 2) Key values presented include the nominal shear strength of 19973 kN, the steel and concrete contributions to shear strength, and the neutral axis depth, steel ratio, and principal stresses at each level. 3) It determines that the selected transverse reinforcement at the base is appropriate and checks various stress limits at each level.

    Original Description:

    Muros Diseño

    Original Title

    Muro5

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    © © All Rights Reserved

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    1) The document analyzes the shear force envelope and reinforcement requirements for a 7-story uniaxial wall considering a selected curvature ductility of 9. It provides details on the shear forces and reinforcement at each floor level. 2) Key values presented include the nominal shear strength of 19973 kN, the steel and concrete contributions to shear strength, and the neutral axis depth, steel ratio, and principal stresses at each level. 3) It determines that the selected transverse reinforcement at the base is appropriate and checks various stress limits at each level.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    11 views1 page

    Curvature Ductility,: Uniaxial

    Uploaded by

    Húber Ospina
    1) The document analyzes the shear force envelope and reinforcement requirements for a 7-story uniaxial wall considering a selected curvature ductility of 9. It provides details on the shear forces and reinforcement at each floor level. 2) Key values presented include the nominal shear strength of 19973 kN, the steel and concrete contributions to shear strength, and the neutral axis depth, steel ratio, and principal stresses at each level. 3) It determines that the selected transverse reinforcement at the base is appropriate and checks various stress limits at each level.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    Shear Force Envelope 0.

    Wall Design: Uniaxial
    Strength Reduction Factor:  = 0.75
    Selected Curvature Ductility:  = 9.00
    0.29
    Uniaxial

     =

    k, [MPa]
    22.4 1st Mode 2nd Mode Kinem. Envelope
    Floor hi [m] hiACUM [m] Vi,1 [kN] Vi,2 [kN] Vi,K [kN] Vi [kN]
    9.0, 0.0875
    7 3.2 22.4 194 ‐157 108 340 Biaxial
    0.10
    6 3.2 19.2 574 ‐290 233 858
    5 3.2 16 863 ‐213 384 1265
    0.05
    4 3.2 12.8 1066 20 572 1638
    3 3.2 9.6 1190 340 823 2042
    2 3.2 6.4 1250 661 1200 2538 1 3 5 7 13 15
    1 3.2 3.2 1267 880 1953 3338
    0 0 0 1267 880 1953 3338
    Curvature Ductility, 

    Taking into account for Axial Load Contribution: NO

    n Bar s [m]
    Selected Stirrups: 6 #4 0.15
    2
    Reinforcement per Unit Length: AV /s = 5.160 [mm /mm]
    Length to Stirrups Centerline: Dc =  6887 [mm]
    Curvature Factor: k = 0.0875
    Neutral Axis to Wall Length Ratio: c/Lw = 0.122337
    Neutral Axis: c = 856 [mm]
    Compressive Strut Angle: Tan (c) = 0.960

    Steel Strength Contribution: Vs = 25853 [kN]


    Concrete Strength Contribution: Vc = 778 [kN]
    Axial Load Strength Contribution: Vp = 0 [kN]
    Nominal Shear Strength: VN = 19973 [kN]

    The selected transverse reinforcement at the base is appropiate

    Selected Combination: comb = Comb.2


    LIM = 5.6 [MPa]
    Floor Comb Pi [kN] Mi [kN.m] N/(f'cAg) T/(Asfy)  As [mm2] T [kN]  c/Lw c [mm] 1 [MPa] 2 [MPa] T [MPa]
    6‐7 130 130 6094 ‐0.0022 0.747 0.0031
    5‐6 324 454 8106 ‐0.0077 0.741 0.0041 8690 2704 0.337 0.036 251.2 0.216 3.31 3.525 Not needed
    4‐5 324 779 10840 ‐0.0132 0.734 0.0045 9370 2889 0.337 0.045 313.2 0.371 4.42 4.795 Not needed
    3‐4 324 1103 14010 ‐0.0188 0.727 0.0054 11410 3486 0.337 0.057 395.9 0.525 5.72 6.244 It is needed
    2‐3 324 1428 17537 ‐0.0243 0.721 0.0072 15026 4549 0.337 0.072 501.2 0.680 7.16 7.838 It is needed
    1‐2 324 1752 21463 ‐0.0298 0.714 0.0089 18642 5592 0.337 0.086 604.1 0.834 8.76 9.595 It is needed
    0‐1 324 2077 25784 ‐0.0353 0.708 0.0108 22722 6753 0.337 0.102 711.3 0.989 10.52 11.513 It is needed

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