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Excel Engineering, Inc. 11/18/2009 Page # <br /> • <br /> SHEAR WALL - RMEH Method 3 <br /> Combined Axial and Bending <br /> Project Name: Aspen2ephyrills, FL 11/18/092:24 <br /> ProjectNo:: 914820 <br /> Description: StieetWaILA <br /> Actual Wall Thk9oress = 7.625 in F'm = 1,500 psi ecC- of axial load = 0 in <br /> Face Shell Thickness = 1.917 in Em = 1350 ksi Wind Stress Increase = 1.000 <br /> I per ft = 388.810 in Es = 29,000 ksi d = 4.000 in <br /> Wall Length = 84.00 ft n = 21.48 Grout Spacing= 32 in <br /> Wall Height (Unbraced Ht) = 16.00 ft Fs = 24,000 psi, (60 F Masonry Weight 51 psf <br /> Wall Dead Load (Ind. Self Wt) = 1,020 plf r = 2.59 In <br /> Wall Live Load = .60 plf hir = 74.1 h/r< 99, for Fa use ACI 530 eq. (8-3) <br /> Overturning Moment at Base = 428.3 k -ft Pe = 140,530 plf, per ACI eq. (6-6) <br /> Wall Shear = 28.77 kips 1/4 x Pe = 35,132 ptf, per ACI (8-2) <br /> d = 83.67 ft <br /> MNd 0.19 <1 <br /> tv = 5.2 psi, based an V/bd, ACI (7 -3) <br /> Fv = 86 psi, OK based on ACI section 7.5.2.2(b). <br /> Formula (16 -10) IBC - (Dead+ 0.75 Live+ 0.75 Wind Load) 1008.00 " <br /> fa = 23.15 psi <br /> Fa = 270 psi, OK T <br /> P = 1,085 pit, OK P < 1 /4xPe <br /> fb = 6 psi 17 b <br /> Fb = 500 psi, OK <0.33xF'm <br /> Combined Stresses <br /> ft = 17 psi, Compression, No Net Tensionill <br /> fc = 29 psi, Compression I a <br /> Compression Unity Check <br /> fa/Fa +fb/Fb= 0.098 <1.00, OK <br /> a = 374.734 in T = 12,364 ibs C 29 <br /> b = 633.266 in As = 0.52 sq. in. <br /> Non - Adjusted Stress Diagram <br /> Equivalent Tension Force Chord R/F <br /> Taq = 8,332 Ibs Use: Grout At 32 " o.c. <br /> Equiv. As = 0.347 sq. <br /> Adjust (b) to Satisfy Moment Equilibrium E M = 0, (Sum about C) <br /> M = 321.225 k -ft adjust b = 1,521.543 In <br /> P= 89.460 kips z P =0 <br /> C = 97,792 lbs Re -check Compression Unity Check <br /> adjust fc = 34 psi fa/Fa + fb/Fb = 0.107 <1.00, OK <br /> Notes: <br /> 11 a. Shaded cells Indicate design data input. <br /> b. Shaded cells Indicate calculated output. <br /> 4 c. Per Method 3, (RMEH book, Pages 123 - 125). • <br /> d. Checks Fa, Pe, Fb, Combined Fa+Fb, and As (Tension) <br /> e. A positive B22 indicates no net Tension. <br /> f. Fv Is based on running bond coarsing, ACI 530, Section 6.5.2. <br /> g. For fully - grouted wall, set Face Shell Thickness, (A7) to 1/2 Wall Thickness, (A6). <br /> N)) 0par? • <br /> \ P q�7 V" <br /> Page 1 Wind + Dead Wall + Live Wall <br />