How this node works
An iron tie at floor level, anchored to the outer faces by pattress plates, takes the horizontal thrust of arches and roofs that the masonry cannot resist in tension, stopping the walls from spreading apart.
Key points
- Masonry wall
- Iron tie-rod
- Pattress plate (anchor)
- Thrust (arch / roof)
- Tension taken by the tie
Conceptual, language-neutral drawing for study and orientation — not an execution drawing. Dimensions and verifications belong to the designer.