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SIMPLY SUPPORTED BEAM DESIGN <br />FALSE FALSE FALSE FALSE FALSE FALSE <br />RJ CJ HDR1 HDR2 CB1 HDR3 <br />SPAN ft 12.00 14.00 6.00 5.50 18.00 3.00 <br />MATERIAL (WOOD, STEEL)WOOD DF-L WOOD DF-L WOOD DF-L WOOD DF-L WOOD DF-L WOOD DF-L <br />BEAM SECTION in 2x 8 2x 8 6x 6 6x 8 6x12 6x 6 <br />GRADE No.2 No.2 No.2 No.2 No.1 No.2 <br />ALLOWABLE STRESSES <br />REPETITIVE MEMBER YES YES NO NO NO NO <br />REPETITIVE FACTOR, Cr 1.15 1.15 1.00 1.00 1.00 1.00 <br />SIZE FACTOR, Cf 1.20 1.20 1.00 1.00 1.00 1.00 <br />BENDING STRESSES, F'b psi 1,242 1,242 875 875 1,350 875 <br />SHEAR STRESSES, F'v psi 207 207 170 170 170 170 <br />MODULUS OF ELASTICITY ksi 1,600 1,600 1,600 1,600 1,700 1,600 <br />UNIFORM DISTRIBUTED LOAD OVER FULL SPAN <br />ROOF TRIB. WIDTH ft 1.33 1.33 6.00 8.00 <br />CEILING TRIB. WIDTH ft 1.33 1.33 6.00 12.00 8.00 <br />FLOOR TRIB. WIDTH ft <br />DECK TRIB. WIDTH ft <br />WALL HEIGHT ft 3.50 3.50 3.50 <br />WALL TYPE (EXT, INT)EXT EXT EXT <br />AUTO CALC BEAM WEIGHT <br />TOTAL DEAD LOAD (D plf 19.95 7.98 90.93 189.00 72.00 231.00 <br />TOTAL ROOF LIVE LOAD (L plf 26.60 - 26.60 120.00 - 160.00 <br />TOTAL FLOOR LIVE LOAD (L plf - 26.60 26.60 120.00 240.00 160.00 <br />PARTIALLY DISTRIBUTED LOAD <br />ROOF TRIB. WIDTH ft <br />CEILING TRIB. WIDTH ft <br />FLOOR TRIB. WIDTH ft <br />DECK TRIB. WIDTH ft <br />WALL HEIGHT ft <br />WALL TYPE (EXT, INT) <br />TOTAL DEAD LOAD (D plf - - - - - - <br />TOTAL ROOF LIVE LOAD (L plf - - - - - - <br />TOTAL FLOOR LIVE LOAD (L plf - - - - - - <br />FROM (LEFT SUPPORT) ft <br />LENGTH OF LOAD ft <br />TRIANGULAR DISTRIBUTED LOAD <br />ROOF TRIB. WIDTH ft <br />TOTAL DEAD LOAD (D plf - - - - - - <br />TOTAL ROOF LIVE LOAD (L plf - - - - - - <br />CONCENTRATED LOADS <br />P1 <br />DEAD LOAD (P D ) lbs <br />ROOF LIVE LOAD (P Lr) lbs <br />FLOOR LIVE LOAD (P L ) lbs <br />LATERAL, P (W or 0.7E) lbs <br />DIST. (LEFT SUPPORT) ft <br />P2 <br />DEAD LOAD (P D ) lbs <br />ROOF LIVE LOAD (P Lr) lbs <br />FLOOR LIVE LOAD (P L ) lbs <br />LATERAL, P (W or 0.7E) lbs <br />DIST. (LEFT SUPPORT) ft <br />01-23 602 S Genoa Dr 1-Story_R3.xls, Roof Beam Design 1 Page 16