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B
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Arch Terminology
A
:
Abutment
B
:
Crown
C
:
Extrados
D
:
Haunch
E
:
Impost
F
:
Intrados
G
:
Keystone
Keystone Detail
(illustration)
H
:
Rise
I
:
Span
J
:
Spandrel
K
:
Springer
L
:
Voussoir
- see
Bridge Case Study
.
- see
Arch
.
