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Project Adress <br />Project Scope <br />Inputs <br />height 42 in <br />Moment arm 4 in <br />G factor NDS 0.5 <br />Force 50 lb/ft <br />Spcaing btwn posts 4 ft <br />Applied Force 200 lb <br />Lag Screws Design <br />Moment= Force * Distance <br />Resisting force = Resisting Moment/Moment Arm <br />Applied moment = Resisting Moment <br />Applied moment 8400 lb-in <br />Tension (T)2100.00 lb <br />Tension (T) per bolt 1050.00 lb <br />Min Embedment 3.75 in <br />use4-3/8" lag screws w/3.75 in embebdment <br />Section Check <br />Inputs <br />Applied Force 200 lb <br />H(Railing Height)34 in <br />Fy 50000 psi <br />Calculations <br />P(Applied Force)200 lb <br />Mmax P*Height 8400 lb-in <br />Sx(min)M/Fy 0.168 in3 <br />Section check (1-½”×1-½”×3/16”) <br />Bx 1.5 in <br />Hx 1.5 in <br />Thickness 0.18750 in <br />bx 1.12500 in <br />hx 1.12500 in <br />Parameter Equation <br />Area moment of inertia Ixx = BH3/12 - bh3/12 0.2884 in4 <br />Neutral axis distance yc=B/2 0.75 in <br />Section modulus (Sx)Sxx = Ixx/yc 0.3845 in3 <br />V P 200 lb <br />0.3845 >0.168 OK <br />EEEADVISOR <br /> Metal Railing Calculation <br />1721 N Spurgeon St, Santa Ana, CA 92706, USA <br />Exterior Elevated Elements Repair per <br />SB721