Laserfiche WebLink
One-Story Shear Wall Grade Beam Design (page 1) <br />Vertical Loads <br />w: plf a: ft <br />wp:plf b: ft <br />P1:lb c: ft <br />P2:lb d: ft <br />P3:lb g: ft <br />wwall:psf i: ft <br />wA:plf j: ft <br />wB:plf k: ft <br />PA:lb m: ft <br />PB:lb n: ft <br />Lateral Loads (Strength) <br />VE:lb <br />VW:lb <br />SDS:g <br />h: ft <br />Grade Beam Properties <br />slab depth: in GB depth: in A: ft dtop bars: in <br />slab width: ft GB width: in B: ft dbott bars: in <br />slab weight:k f'c:ksi lw:ft Allow. Soil Brg:ksf <br />GB Weight:k fy (long.):ksi ltotal:ft Allow. Soil Brg:ksf @ 1.33x <br />fy (stirrups): ksi <br />Stability and Soil Pressure Check <br />------- LOAD CASE 1 : DL --------- --------LOAD CASE 2 : D+L ---------USE 12.0 W X 24.0 D GRD BM <br /> Total Weight = 9.3 k Total Weight = 9.5 k W/2-#5 TOP & 2-#5 BOT <br />FORCES FROM THE RIGHT FORCES FROM THE RIGHT <br />0.90*M(R)= 54 ft-k > M (OT) O.K. 0.90*M(R)= 55 ft-k > M (OT) O.K. <br />Reaction Pt. = 3.3 ft:outside 1/3 Reaction Pt. = 3.3 ft:outside 1/3 <br />Soil Press (Max @ A) = 1.89 < 2.00 OK Soil Press (Max @ A) = 1.90 < 2.00 OK <br />+Mu (X1) = 70 in-k +Mu (X1) = 71 in-k <br />-Mu (X2) = 32 in-k -Mu (X2) = 32 in-k <br />FORCES FROM THE LEFT FORCES FROM THE LEFT <br />0.90*M(R)= 54 ft-k > M (OT) O.K. 0.90*M(R)= 55 ft-k > M (OT) O.K. <br />Reaction Pt. = 3.3 ft:outside 1/3 Reaction Pt. = 3.3 ft:outside 1/3 <br />Soil Press (Max @ B) = 1.89 < 2.00 OK Soil Press (Max @ B) = 1.90 < 2.00 OK <br />+Mu (X2) = 70 in-k +Mu (X2) = 71 in-k <br />-Mu (X1) = 32 in-k -Mu (X1) = 32 in-k <br />------------------------LOAD CASE 3 : DUCTILITY ------------------------- <br />Design for:Ωo = <br />a. Maximum anticipated forces: Ωo * M(OT) = k-ft <br />Occurs when Ωo * M(OT) < 0.90*M(R)TL <br />b. Maximum force that can be delivered to the system: <br />Occurs when Ωo * M(OT) >0.90*M(R)TL +Mu = Total Wt*(X)*1.4 <br />FORCES FROM THE LEFT FORCES FROM THE RIGHT <br />0.90*M(R)= 50 ft-k < M (OT) 0.90*M(R)= 50 ft-k < M (OT) <br />Reaction Pt. = 0.0 ft: Reaction Pt. = 0.0 ft: <br />+Mu (X2) = 346 in-k +Mu (X1) = 346 in-k <br />-Mu (X1) = 32 in-k -Mu (X2) = 32 in-k <br />0 0 0.00 <br />17 0.00 <br />0 0 0.00 <br />0 0 0.00 <br />D Lr <br />15 20 0.00 <br />0 0 8.00 <br />0 0 0.00 <br />0 0 0.00 <br />0 0 0.00 <br />0 0 0.00 <br />6 12 2.50 20 <br />4.1 3.0 8.0 1.50 <br />10.00 <br />5 24 2.50 20 <br />1996 <br />1996 <br />1.022 <br />2.5 <br />72 <br />3.9 60 13.0 2.00 <br />40 <br />1927 & 1929 S <br />Hickory St2/12/2025