Deck 36: Development of Arches

Question 1

The rise of a segmental arch should not be less than 1″ per foot of the span and the skewback should be at right angles to the arch axis.

Answer 1

True

Question 2

Minor arches have a maximum span of 10' and a maximum equivalent load of about 1500 lbs per linear square foot of span.

Answer 2

False

Question 3

A _____ arch is a four-center arch with medium rise-to-span ratio.

A) Gothic
B) Venetian
C) Queen Anne
D) Tudor

Answer 3

D

Question 4

Gothic bullseye arches are the most commonly used arch types today.

Question 5

The concave curve that bounds the entire curvature of the lower limits of an arch is called its _____ .

A) beam
B) supporting load
C) compressive load
D) intrados

Question 6

The ______ is the apex of the arch ring.

A) crown
B) camber
C) keystone
D) rise

Question 7

An arch is a beam that is curved in the plane of the loads resting on it.

Question 8

The ______ is the undersurface or bottom of the arch.

A) skewback
B) soffit
C) intrados
D) springer

Question 9

The _____ arch is a flat arch of solider position brick.

A) multicentered
B) jack
C) semicircular
D) Gothic

Question 10

Concrete and steel lintels, which shorten installation time, have now greatly replaced the masonry arch.