Designs and plans for a four story reinforced concrete light manufacturing building 100'-0" x 150'-0' . = 144 = 12Two 24 Stairway Fire-escapes = 4Width of stairs = 8 Stairway is designed with two rectangular beams as stringssupporting a 4 slab with risers and between floors = 15 risers at 8 and 14 treads at 12. Design of 4 Slab. Live Load I00# Weight of Slab 50 Total Load I50# M = 150 x 8*x 12 = II530#10 d*= II530 = d= X 12 A 4 slab is ample. A= II530 = .30° 15000 X .875 X S Use l/2 round rods, spacing 6, area .392. V= 150 x 8 = 6002 U = 600 = 73#° 600 = I2.

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Designs and plans for a four story reinforced concrete light manufacturing building 100'-0" x 150'-0' . = 144 = 12Two 24 Stairway Fire-escapes = 4Width of stairs = 8 Stairway is designed with two rectangular beams as stringssupporting a 4 slab with risers and between floors = 15 risers at 8 and 14 treads at 12. Design of 4 Slab. Live Load I00# Weight of Slab 50 Total Load I50# M = 150 x 8*x 12 = II530#10 d*= II530 = d= X 12 A 4 slab is ample. A= II530 = .30° 15000 X .875 X S Use l/2 round rods, spacing 6, area .392. V= 150 x 8 = 6002 U = 600 = 73#° 600 = #° 40 allowable x .875 x 3 4 x 12 Design of Rectangular Load = 100 x 4 = 400# Concrete • - 500. Total Load 700^ \ M due to weight of beam = 300 x 14 x 12= 88200# 8 Total M = 164500 + 88200 = 252700»# M_ = 98 <T= 252700 =225 d = 15bd* 98 x 10 Use a 10 x I5n beam. A = 252700 = * 15000 x .875 x Use four 3/4 round bare, area V= 700 xI4= 4900#2 U = 4900 = 44#^B 4 x x .875 x n= 4900 =33#g10 x 15 No shears bars are required. PLANS ivoriAics Sco/c M -/-o. tntrij I••or Intei/or ColumnMil I .1 % r ? I AW/, f/oar tY<t// Ce/ii First Floor Infer/or Cofo,.Mk 1-1 TH,rU r~/°or WqII Vok*nnMA frV-J

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Keywords: ., bookcentury1900, bookdecade1910, bookiddesignsplans, bookyear1913