Laserfiche WebLink
5FA Design Group, LLC <br />STRUCTURAL I GEOTECHNICAI I W IAl INSPFC TIONS <br />Gale Residence Und <br />SUBJECT <br />2.875 in 0 Push Pier <br />Design Input <br />Pier System Designation = <br />2.875 in O <br />Pier Material = <br />Galvanized <br />External Sleeve Material = <br />Galvanized <br />Vertical Load to Pier. PTA = <br />14.571 kips <br />Minimum Installation Depth, L = <br />10.000 ft <br />Unbraced Length, I = <br />1.000 ft <br />Eccentricity. e = <br />4.250 in <br />Friction Factor of Safety, FS = <br />2 <br />Normal Surface Force, Fn = <br />7.286 kips <br />Design Load (Vertical), PDT = <br />14.571 kips <br />Design Moment, MomentPierDL = <br />61.927 kip -in <br />Sleeve Propert In ut <br />Sleeve Length <br />36.000 in <br />Design Sleeve OD = <br />3.444 in <br />Design Wall Thickness = <br />0.192 in <br />r= <br />1.152in <br />A = <br />1.962 in2 <br />S = <br />1.512 in' <br />Note: Sleeve reduces bending stress on main <br />Z = <br />pier from eccentricty <br />2.034 in 3 <br />I = <br />2.603 in <br />E = <br />29000 ksi <br />Fy = <br />50 ksi <br />Pier Property Input <br />Design Tube OD = 2.824 in <br />Design Wall Thickness = 0.162 in <br />k = 2.10 <br />r = 0.943 in <br />A = 1.354 in2 <br />Note. Design thickness of pier and sleeve c = 1.412 in <br />based on 93% of nominal thickness per Al SC S = 0.852 in' <br />and the ICC-ES AC358 based on a corrosion <br />loss rate of 50 years for zinc -coated steel Z = 1.148 in' <br />I = 1.203 in <br />E = 29000 ksi <br />Fy = 50 ksi <br />Hyrdraulic Ram Area = 9.620 in2 <br />Pier Output Per AISC 360-10 Doubly and Singly Symmetric Members Subject To Flexure and Axial Force <br />26.73 OK, <200 §E2 <br />Note: Flexural design capacity Fe = 400.512 ksi §(E3-4) <br />based on combined plastic section 4.71 `(E/Fy) 5 = 113.43 §E3 <br />modulous of pier and sleeve Fa = 47.454 ksi §(E3-2 & E3-3) <br />Pn = 64.2 kips §(E3-1) <br />Safety Factor for Compression, t?, = 1.67 <br />Allowable Axial Compressive Strength, Pn/0, = 38.5 kips §E1 <br />Actual Axial Compressive Demand, Pr = 14.571 kips <br />D/tPief = 17.4 OK, <.45E/Fy §F8 <br />Mn = 159.1 kip -in §(F8-1) <br />Safety Factor for Flexure, Q, = 1.67 <br />Allowable Flexural Strength, Mn/f2b = 95.3 kip -in §F1 <br />Actual Flexural Demand, Mr = 61.9 kip -in <br />Combined Axial & Flexure Check = 0.96 OK §(H1-1a & 1b) <br />Results <br />(�/PIER/ <br />REACTION <br />I <br />PROJECT NO. (SHEET NO. <br />M FR22-280 <br />Note. Section above is a general representation of piering system. refer <br />to plan for layout and project specific details. <br />Max Load To Pier = Design Load = 14571 lb <br />2.875" Diameter Pipe Pier with 0.165" Thick Wall <br />3.5"Diameterx36" Long Pipe Sleeve With 0.216"ThickWall <br />Minimum 10'-0" Installation Depth And Minimum 3100 psi Installation Pressure <br />Minimum Y:' Foundation Lift During Installation <br />