Draft

Chapter 8

Case Study III: MAGAZINI

GENERALI

Adapted from(Billington and Mark 1983)

8.1 MagazziniGenerali;OverallDimensions,(BillingtonandMark1983)

1 Thissotragehouse,builtby Maillartin Chiassoin 1924,providesa good exampleof the

mariagebetweenaestheticandengineering.

2 Themoststrkingfeatureof theMagaziniGeneraliis notthestructureitself,butratherthe

shape of itsinternalsupportingframes,Fig.8.1.

3 Theframecanbe idealizedas a simplysupportedbeamhungfromtwo cantilever column

supports.Whereasthebeamitselfis a simplestructuralidealization,theoverhangis designed

in such a way as to minimizethenetmoment to be transmittedto thesupports(foundations),

Fig.8.2.

8.2 MagazziniGenerali;SupportSystem,(BillingtonandMark1983).

4 Theloadappliedon theframeis fromtheweights of theroof slab,andtheframeitself.Given

thespacebetweenadjacent framesis 14.7ft,andthattheroof loadis 98 psf, andthatthe

totalframeweight is 13.6kips,thetotaluniformloadbecomes,Fig.8.3:

qroof = (98)psf(14:7)ft= 1: 4 k/ft (8.1-a)

qf rame =

(13:6)k

(63:6)ft

= 0: 2 k/ft (8.1-b)

qtotal = 1 :4 + 0:2 = 1.6 k/ft (8.1-c)