A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
La "Direttissima" Bologna-Firenze
Line, 51 1/2 mi long, is laid with double track; max gradients in open 1:83 and 1:125 in tunnels; gradients in Great Apennine tunnel are 1:500 and 1:173; main track laid with 18-m rails of 50.6 kg per m with 30 ties for each length; technical difficulties in construction of line; construction of tunnel, 18,150 m long. (See also - n 3574 July 13 1934 p 29-31, n 3576 July 27 p 84-6, n 35769 Aug 17 p 159-61 and 172; Annali dei Lavori Pubblici v 72 n 1 Jan 1934 p 1-74 3 supp sheets; French description in Genie Civil v 105 n 4 July 28 1934 p 77-82)
La "Direttissima" Bologna-Firenze
Line, 51 1/2 mi long, is laid with double track; max gradients in open 1:83 and 1:125 in tunnels; gradients in Great Apennine tunnel are 1:500 and 1:173; main track laid with 18-m rails of 50.6 kg per m with 30 ties for each length; technical difficulties in construction of line; construction of tunnel, 18,150 m long. (See also - n 3574 July 13 1934 p 29-31, n 3576 July 27 p 84-6, n 35769 Aug 17 p 159-61 and 172; Annali dei Lavori Pubblici v 72 n 1 Jan 1934 p 1-74 3 supp sheets; French description in Genie Civil v 105 n 4 July 28 1934 p 77-82)
La "Direttissima" Bologna-Firenze
La "Direttissima" Bologna-Firenze
Engineering ; 138
1934
Supp plates
Article (Journal)
English
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La direttissima Firenze-Bologna
| Engineering Index Backfile | 1934
La "Direttissima" Bologna-Firenze
Engineering Index Backfile | 1934
Der grosse Apennin-Tunnel der "Direttissima" Bologna-Firenze
| Engineering Index Backfile | 1934
Bologna-Florence Direttissima railway and Great Apennine tunnel
Engineering Index Backfile | 1931
Die "direttissima" B'ologna -- Florenz
| Engineering Index Backfile | 1934