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Bearing support
Simple bearing (beam on corbel/masonry)
The beam simply rests on a support (concrete corbel, masonry padstone or steel bracket), often via a seating plate and an elastomeric pad. Only the vertical reaction is transferred; rotation and slight expansion remain free. Common when a steel roof rests on blockwork or concrete walls — a very frequent case in Africa.
Components
- •Grouted seating plate
- •Elastomeric pad or bituminous felt
- •Bearing length ≥ 100 mm
- •Uplift anchorage (wind!)
When to use it
Trusses or purlins on masonry walls, footbridges, floor beams on concrete walls.
Common mistakes to avoid
- ✗Forgetting wind uplift anchorage (light roofs blown off!)
- ✗Insufficient bearing length → local masonry crushing
- ✗No bond beam under the support
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