the ribs provides them with additional horizontal stiffness through its in-
plan ring-beam action. A circumferential moment-resisting frame similar
to that of the Licorne Stadium lies within the dome surface to resist lat-
eral loads.
Arches
Arches also offer a potential synthesis of architectural and struc-
tural form. At Ludwig Erhard House, Berlin (Fig. 3.16) repeated arches
RELATIONSHIPS BETWEEN ARCHITECTURAL AND STRUCTURAL FORM 29
▲ 3.13 Licorne Soccer Stadium, Amiens, France, Chaix & Morel
et Associés, 1999. Curved ribbed walls enclose the pitch and
spectators.
▲ 3.14 Wall ribs, props and longitudinal girts.
▲ 3.15 The Reichstag Cupola, Berlin, Germany, Foster and Partners, 1999. Radial ribs
and circumferential tubes. ▲ Germany, Nicholas Grimshaw &3.16 Ludwig Erhard House, Berlin,
Partners, 1998. Arched end of building
as seen from the rear.