Graphical Construction Glossary >> masonry. >> arch >> Three Centre Arch

Three Centre Arch

An arch based on two equal smaller arcs at the abutment-haunch area blending into a single larger radius arc arc at the crown. Also know as a Basket Handle or Anse De Panier.

Elliptical Arch

An arch based on the ellipse form.

Used many times just for looks, but also where a wider clearance heights needed, these are good looking arches that are easy to set out.

The arches seen here (there are four of them:-) on a canal in Amsterdam could quite possibly be either three centre or elliptical. One would have to have a very keen eye to tell the difference. I have used my CAD program to superimpose one on the other and I was quite surprised by the closeness of the results.

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"What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience?
Adam Smith 1723-1790

"When we build, let us think that we build for ever."John Ruskin 1819-1900