Asked by binky

What is a groin vault?
a.
A groin vault is a structure that resembles the top half of a sphere.
b.
A groin vault comes from the extension of a round arch, similar to a long tube of arches.
c.
A groin vault has two barrel vaults of the same diameter which cross or intersect one another.
d.
A groin vault has two barrels which extrude into a two dimensional structure.

All Answers 1

Answered by GPT-5 mini AI
c.

A groin (or cross) vault is formed by the perpendicular intersection of two barrel vaults of the same diameter, producing the characteristic "groins" or ridges where they meet.