5923 3RD DR W 2018-01-02 MF Import

it:.er 8 Assoaates 07-1782SL IBC ver64.xmed 411312007 6.0 Seismic Analysis (cont.) Building Properties: At - 400 It2 Area of the Roof in Square Feet Af:= 335 ft2 Area of the Floor Diaphragm in Square Feet Ad:= O It Area of Low Roof into First Floor Diaphragm In Square Feet Ab := 336-ft2 Ground Floor area in Square Feet HRJ 1 •ft Height of Rim Joist H2:= 8.0 It Height of Second Story Walls Hit := 8.0•ft Height of First Story Walls L2b r= 84-ft Length of Wall on the Second Floor Lib:= 84-ft Length of Wall on the First Floor Calculate Building Masses: Mass of High Roof and Tributary Walls Mr:= (ArRD) +(H2-0.5 L2b-WDL) Mass of Floor,Roof into Diaphragm,Walls Mf:=(At)•FDL+Ad-RD+(H1+H2)•0.5•(Lib+L2b)'WDL Mass of Entire Building Mt Mr+ Mf Lateral Force Parameters: Using tie Upper lind for Base Shear, Assume Soil Type SD for Seismic Design Category"D" R:= 6.5 :0n3 IAC Fah1e 16176! 133a1 SIDS = 1.00 I:=1.00 20031BCSecnon 1604.5(2711 Seismic Bace Shear. V Equation 16.5613311 1.2.(sDs)•I1I VB:= R J'Mt vB - 4830 m Vertical Distribution of Seismic Shear Forces: heck following calculations; if Ft is equal to VB then OK Roof Diaphragm 1.2SOg•I1 Fr:- / R J•Mr Flc or Diaphragm Ff;=11.2•SDS•II I\ MfR J Total Base Shear Ft:= Fr. Ff Controlling_ Load Combination for Seismic Loads D+L+S+E/1.4 Equation 16-171:741 Load Duration Factor, Co for Seismic Loads CD=1.0 >nsse:t.,n:191 Seismic Load, E Equation 16.57 [3321 E=pQe+0.2SDSD Equation 16-3013:91 Check Reduidancy; Assume p = 1.5 Initially, calculate of walls, then find actual p. p Fr p Ff Er d EL= 1 d Emr = no -Fir Er =1234 lb Ef = 2215 lb Emir = 5184 m 2SL Version 6.4 Ft=17281b Ff = 3102 m Ft = 4830 o Section 16-13:91 p=1.0 Mr= 93601b Mf = 16800lb MI = 261601b Section 16.13:91 no = 3 Emf:= no Ff Emir = 9305 lb Page 6