Grand Housing Development Program Volume III - Gtz

FORMWORK FOR FOUNDATIONS AND SLABSThe formwork for foundations and for slabs is the same. It consists of a metal panel with a frame welded on it toachieve stability. The frame has got drill-holes for the clamps.In conjunction with angle bars, two pieces can be used to form an edge. They can be mounted side by side or ontop of each other.A formwork for a slab, fixed by additionalwires bound to the reinforcementof the slabThe edge of a formwork-assembly forfoundationA formwork for foundation, panelsmounted on top of each other, side byside and at the edgeCONCRETE SPACERS FOR FIXING POSITION OF REINFORCEMENTIn the execution of foundations and slabs concrete spacers are used to hold reinforcement in position and to assurethe required cover. Cast-in wires are used to fix them to the reinforcement bars.The spacers are produced using a metal mould. Concrete is filled in and during compacting with the vibrating table,the wires are inserted.The concrete spacers with wires for fixing themThe mould for the concrete spacers20Addis AbabaCity Government