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SITE STRUCTURES Project Airport 100 sheet 43 <br />10511 19th Ave SE, Suite C date Ot- ,A\ <br />Everett, WA, (425)-357-9600 prj . no. S-21-006 <br />INTERIOR WALL HEADER GEOMETRY AND LOADS ANALYSIS <br />Header Overburden & Uniform Loads <br />Lid weight <br />90 psf <br />Soil Desity <br />25. pcf Load Factors <br />Soil Cover depth over lid <br />2.5 ft LL 1 fi <br />Plank design clear span left <br />19 ft DL .1.2 <br />Plank design clear span right <br />19 ft <br />Design Uniform Live Load <br />150 psf <br />Lid tributary width to header <br />19 ft <br />Uniform service load to header <br />10498 plf <br />Uniform factored load to header <br />13737 plf <br />Truck Wheel Loads to Header <br />Truck type <br />Axle Load <br />Wheel Spacing <br />Cover depth <br />butdgger <br />45000. Ibs <br />1ft <br />2.5 ft <br />Axle assumed centered over & perpendicular to header <br />distribution width 5.50 ft <br />distribution length 7.00 ft <br />opening width 4.000. ft <br />length ea side of hdr 3.50 ft <br />uniform load @ top of plank 1169 psf <br />wheel load to header from left span 3714 plf <br />wheel load to header from right span 3714 plf <br />Total wheel load to header 7428 plf <br />Factored wheel load to header 11885 plf <br />Design Loads & Forces in Header <br />Service <br />Factored <br />Critical section for shear is at <br />Design Vu = <br />Design Mu = <br />17.9 klf <br />25.6 klf <br />0.6 feet from the face of the support <br />36 k <br />51 k-ft <br />