KERTO-RIPA SPAN TABLES Large spans can be achieved using Kerto-Ripa roofing elements with a small height and a relatively light construction. More height advantage can be realized by placing installations between and through the joists. Panels can also be placed on the load-bearing beam whereby the forces are transferred purely via the top plate. In the table below you can easily read off which height you get given a specific span. PRE-DESIGN LOADS LIGHT Roofs Permanent Snow load 40 kg/m² 36 kg/m² LIGHT Floors Permanent Live load 70 kg/m² 150 kg/m² LOADS 60 kg/m² 72 kg/m² LOADS 90 kg/m² 250 kg/m² HEAVY 150 kg/m² 140 kg/m² BOX ELEMENTS HEAVY 240 kg/m² 400 kg/m² ROOFS (4 RIBS) PRE-DESIGN HEIGHTS AND SPANS FOR ROOF AND FLOORS, FOR OPEN AND BOX KERTO-RIPA ELEMENTS HEIGHT OF KERTO-RIPA (cm) Maximal spans 26 36 46 56 66 LIGHT 9,6 m 12,5 m 15 m 17,5 m 19,9 m COMBINED LOADS 8,7 m 12,3 m 13,7 m 15,9 m 18,1 m HEAVY 6,9 m 9,2 m 11,1 m 13 m 14,8 m FLOORS (5 RIBS) OPEN ELEMENTS Maximal spans HEIGHT OF KERTO-RIPA (cm) 23 33 43 53 63 LIGHT 5,4 m 7,9 m 9,7 m 11,2 m 12,7 m COMBINED LOADS 4,7 m 6,1 m 7,4 m 8,5 m 9,6 m HEAVY 4 m 5,6 m 6,8 m 7,8 m 8,8 m OPEN ELEMENTS Maximal spans ROOFS (4 RIBS) HEIGHT OF KERTO-RIPA (mm) 230 330 430 530 630 LIGHT 6,2 m 8,9 m 11,3 m 13,7 m 15,9 m COMBINED LOADS 5,5 m 8,0 m 10,2 m 12,4 m 14,4 m HEAVY 4,4 m 6,4 m 8,3 m 10,1 m 11,8 m FLOORS (5 RIBS) HEIGHT OF KERTO-RIPA (cm) BOX ELEMENTS Maximal spans 26 36 46 56 66 LIGHT 8,3 m 10,1 m 11,8 m 13,3 m 14,7 m COMBINED LOADS 6,3 m 7,7 m 8,9 m 10 m 11,1 m HEAVY 5,8 m 7,1 m 8,2 m 9,2 m 10,2 m
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