e-mosty December 2017 MSS and Formwork Travellers | Page 18

Figure 23: Tagus Viaduct – Construction of the arch
2.6.1.2 Access viaduct construction
The access viaducts were built with one MSS from the
first to the last span just before the arch (Figure 25).
The same MSS was used for both sides, achieving
performances of casting one span per week in most of
the 60 m spans.
E-1
P-1
P-2
P-3
P-4
P-5
P-6
P-7
P-8 P-9 P-10 P-11 P-12 P-13 P-14 P-15 P-16 P-17 P-18 P-19 P-20 P-21
2.6.1.3 Construction of the decks over the arch
The decks over the arch were built by two MSS that
cast simultaneously the first two spans in each side
(Figure 26).
E-1 P-1 P-2 P-3 P-4 P-5 P-6 P-7 P-8 P-9 P-10 P-11 P-12 P-13 P-14 P-15 P-16 P-17 P-18 P-19 P-20 P-21
E-1 P-1 P-2 P-3 P-4 P-5 P-6 P-7 P-8 P-9 P-10 P-11 P-12 P-13 P-14 P-15 P-16 P-17 P-18 P-19 P-20 P-21
E-1 P-1 P-2 P-3 P-4 P-5 P-6 P-7 P-8 P-9 P-10 P-11 P-12 P-13 P-14 P-15 P-16 P-17 P-18 P-19 P-20 P-21
↖ Figure 24: Tagus Viaduct – MSS on North Viaduct Access
← Figure25: Tagus Viaduct – MSS finishing North Access Viaduct
deck
↑ Figure 26: Tagus Viaduct – MSS construction of deck over the arch
4/2017