Design of RC Shear Wall Buildings at Different Performance Levels

Data Availability Statement

Notation

A_{s conc}

concentrated reinforcement at the wall end;

b_col

boundary column width;

c

neutral axis distance;

D_h

confinement hoop diameter;

D_nx

building dimension in plan view perpendicular to the seismic force;

E_c

concrete material modulus of elasticity;

$f_c^{\mathrm{\prime }}$

concrete compressive strength;

f_y

steel reinforcement yield strength;

H_PH

plastic hinge height;

h_n

building total height;

h_w

wall height;

L_u

maximum clear height between two successive floors;

L_w

wall length;

ℓ_d

minimum steel bar development length;

M_corr.

column’s moment corresponding to the maximum axial force;

M_f

wall’s factored base moment demand;

M_iv

shear force magnification factor for inelastic effects of higher modes;

M_max.

column’s maximum moment;

M_n

wall’s nominal flexural resistance;

M_pr

wall’s probable flexural resistance;

M_r

wall’s factored flexural resistance;

M_r/M_f

wall’s flexural overstrength ratio;

P_corr.

column’s axial force corresponding to the maximum moment;

P_d

wall’s unfactored dead load at the base;

P_max.

column’s maximum axial force;

R_d

ductility-related force modification factor;

R_o

overstrength-related force modification factor;

S_Hoop

confinement hoop spacing;

S_hl

spacing of wall’s transverse reinforcement;

S_vl

spacing of wall’s longitudinal reinforcement;

S(T_a)

design spectral acceleration at the fundamental period T_a;

S(0.2)

spectral acceleration at period = 0.2 s;

S(2.0)

spectral acceleration at period = 2.0 s;

T_a

fundamental period of vibration;

T_d

fundamental period from the modal analysis;

T_s

fundamental period using the code’s empirical expression;

t_w

wall thickness;

V

wall’s minimum design shear demand;

V_RS

building base shear from the dynamic analysis;

V_design

building design base shear;

V_f

wall’s factored base shear demand;

V_r/V

wall’s shear force overstrength ratio;

V_static

equivalent static base shear;

V_wind

building base shear due to wind loads;

W

building seismic weight;

α_w

section property reduction factor;

γ_w

wall overstrength factor

Δ_f

wall’s linear top displacement;

Δ_f R_d R_o

wall’s design top displacement;

ɛ_cu

concrete ultimate compressive strain;

ɛ_s

longitudinal steel reinforcement strain;

ɛ_y

steel reinforcement yield strain;

θ_ic

inelastic rotational capacity; and

θ_id

inelastic rotational demand.

References