The projecting course at the upper part of a Pier or an abutment to stress the springing line is called as the ___________
(a) Impost
(b) Height
(c) Springing Point
(d) Crown
The question was posed to me in an internship interview.
The query is from Arches Technical Terms topic in section Arches, Lintels, Stairs and Formwork of Construction & Building Materials