Horizontal Shores / Adjustable Beams / Spanall

Horizontal Shore quickly adjusts from 3'-7" to 6' (HS-46),  6' to 10' (HS-610), 8' to 13' (HS-813), 9' to 15' (HS-915) to support formwork for concrete decks, bridges, box culverts and heavy loads, but light enough for easy handling. Specifications Horizontal Shores allow users to set up and tear down quickly by reducing the total number of shores needed.  Quickly open and close wedge lock with strike of a hammer. Demonstration Video Data Sheets Span and Load Data End Bearing Plate Detail Spacing Chart for Ellis Horizontal Shores Use the drawing and corresponding spacing charts below to determine the proper horizontal shore spacing for pouring concrete bridge decks. A - Safe Spacing for Horizontal Shores (Center to Center). B - Safe Spacing for 2x4 Joists (Center to Center) & continuous over 3 or more supports. * Based on used of No. 2 Grade Southern Pine or Douglas Fir-Larch (S4S Lumber) Fb 1625. ** 3/4" Plywood Decking is continuous over 3 or more supports. Face Grain Parallel to Spacing (Strong Direction).   4-6 Horizontal Shore & Joist Spacing (Center To Center) Slab Slab Weight Horizontal Shore Span Joist Thickness Dead Load + 4' 5' 6' Spacing (inches) Live Load (PSF) A B 4" or Less 80 60" 60" 60" 24" 5" to 6" 105 54" 54" 54" 22" 7" to 9" 142.5 48" 48" 42" 20" 10" to 12" 180 42" 42" 30" 19" 13" to 14" 205 36" 36" 30" 18" 15" to 16" 230 36" 36" 24" 17" 17" to 18" 255 36" 36" 24" 17" 19" to 20" 280 30" 30" 18" 17" 21" to 22" 305 30" 30" 18" 16" 23" to 24" 330 30" 24" 18" 16" 6-10 Horizontal Shore & Joist Spacing (Center To Center) Slab Slab Weight Horizontal Shore Span Joist Thickness Dead Load + 6' 7' 8' 9' 10' Spacing (inches) Live Load (PSF) A B 4" or Less 80 60" 60" 60" 54" 36" 24" 5" to 6" 105 54" 54" 48" 36" 24" 22" 7" to 9" 142.5 48" 48" 36" 24" 18" 20" 10" to 12" 180 42" 42" 24" 24" 12" 19" 13" to 14" 205 36" 36" 24" 18" 12" 18" 15" to 16" 230 36" 36" 18" 18" 12" 17" 17" to 18" 255 36" 30" 18" 12" 12" 17" 19" to 20" 280 30" 24" 18" 12" 8" 17" 21" to 22" 305 30" 24" 12" 12" 8" 16" 23" to 24" 330 30" 24" 12" 12" 8" 16" 8-13 Horizontal Shore & Joist Spacing (Center To Center) Slab Slab Weight Horizontal Shore Span Joist Thickness Dead Load + 8' 9' 10' 11' 12' 13' Spacing (inches) Live Load (PSF) A B 4" or Less 80 60" 60" 48" 42" 30" 24" 24" 5" to 6" 105 54" 48" 36" 30" 24" 18" 22" 7" to 9" 142.5 42" 36" 30" 18" 18" 12" 20" 10" to 12" 180 36" 30" 18" 18" 12" 8" 19" 13" to 14" 205 30" 24" 18" 12" 12" 8" 18" 15" to 16" 230 24" 18" 18" 12" 8" 8" 17" 17" to 18" 255 24" 18" 12" 12" 8" 6" 17" 19" to 20" 280 18" 18" 12" 12" 8" 6" 17" 21" to 22" 305 18" 12" 12" 8" 8" 6" 16" 23" to 24" 330 18 12" 12" 8" 6" - 16"