Tuesday, June 2, 2009

Lapping reinforcement in concrete

All forms of steel reinforcement must be lapped in accordance with AS 2870 requirements. The overlaps should be held together with tie wire.
Trench mesh laps; Where trench maps are joined end to end, they need to be overlapped by at least 500 mm. Where they overlap at T or L intersections the overlap should be the width of the trench mesh

Reinforcing bar lap; Reinforcing bar laps need to be overlapped by at least 500 mm

Square mesh lap; Square mesh lap has to be overlapped by at least 225 mm

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