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sfogliabile ET30 sett_ott 2016

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0044-0048 4<br />

STRUTTURALE<br />

View of the steel trusses on the roof and of the smoke<br />

evacuators before the laying of sandwich panels.<br />

Il nuovo MAV (Magazzino Autoportante Verticale) di Ceramica Sant’Agostino ha dimensioni in pianta di 134 x 26 m<br />

e un’altezza di 18 m. / The new MAV (Vertical free-standing warehouse – in Italian: Magazzino Autoportante Verticale)<br />

has plan dimensions of 134 x 26 m and a height of 18 m.<br />

mediante bulloneria. Tutte le strutture<br />

(profili aperti - laminati mercantili e travi<br />

- tubolari e profilati) sono di classe<br />

S355JR e zincate a caldo per la protezione<br />

alla corrosione.<br />

Sulla testata del magazzino, di fronte<br />

alle strutture preesistenti dove avviene<br />

la fase di caricamento e preparazione<br />

dei pallet, è presente una struttuprofili<br />

a sezione scatolare di larghezza<br />

80 e altezza 20 mm, disposti in direzione<br />

trasversale all’asse del capannone<br />

con un passo di 350 mm e supportati<br />

da travi porta-pallet. Queste ultime<br />

sono in profili a C formati a freddo e<br />

appoggiano sui traversi dei montanti<br />

sul lato interno della cella, mentre sul<br />

lato esterno sono giuntate alle colonne<br />

ra a mensola in travi reticolari a sbalzo,<br />

in colonne HEB 180, con funzione di<br />

sostegno della copertura e delle pannellature<br />

frontali e laterali che ricadono<br />

nella zona smistamento.<br />

Tale struttura e le pannellature sono<br />

dotate di un adeguato giunto sismico<br />

in corrispondenza del collegamento<br />

all’edificio preesistente. Esternamen-<br />

La progettazione strutturale ha tenuto conto di una Vita Nominale di 50 anni e una classe d’uso II.<br />

The structural design evalueates a Rated Life of 50 years and a user class II.<br />

ed and galvanized; at the top, the shoulders<br />

are joined to a reticular truss steel forming<br />

a framed structure on multiple columns;<br />

the connections between the metallic elements<br />

are bolted. Longitudinally, the frames<br />

are connected together by concentric bracing,<br />

consisting of 10 mm thick plates for the<br />

diagonal and of U-profiles for the transom.<br />

The cells destined to host the warehouse<br />

products are of variable height depending<br />

on the size of the pallet and on the presence<br />

of the fireproof system; the shelves are<br />

box-wide section profiles 80 x 20 mm, arranged<br />

in transverse direction to the axis of<br />

the shed with a wheelbase of 350 mm and<br />

supported by the pallet-beams. These are<br />

in cold-formed C-section and lean on the<br />

crosspieces of the uprights on the inner<br />

side of the cell, while on the outer side are<br />

joined to the columns by bolts. All the structures<br />

(open profiles - merchant bars and<br />

beams - tubular and profiles) are in S355JR<br />

steel, hot dip galvanized for corrosion protection.<br />

On the head of the warehouse, in the face<br />

of pre-existing structures, where it takes<br />

place the loading and preparation of pallets,<br />

there is a cantilever structure in reticular<br />

beam in columns HEB 180, supporting<br />

the roof and front and side panels that fall<br />

in the sorting zone.<br />

This structure and the panels are provided<br />

with an appropriate seismic joint in correspondence<br />

of the existing building connec-<br />

ELEMENTO tubo<br />

N.30 SEPTEMBER OCTOBER <strong>2016</strong> -47

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