Figures & data
FIGURE 1. Lifting gear for Conway Bridge 1849. Courtesy of the Institution of Civil Engineers
FIGURE 2. Widening of overbridge at Queens Park Station in 1962 using wartime stored prestressed beams. Collection of Martin Welch.
FIGURE 3. Steam Navvy, one of 43 used in construction of the Great Central Railway, 1894– 99. Collection of Roger Bastin.
FIGURE 4. Traveller used for bridge erection, Great Central Railway, 1894–99. Collection of Leicester City Library
FIGURE 5. Erection of bridge over River Wye, Monmouth, 1873, supported by timber piles and using traveller. Courtesy Chepstow Museum
FIGURE 6. Erection of type A bridge near Bedford with 45 ton and 75 ton breakdown cranes, 1964. Thirty-hour possession. Author’s collection
FIGURE 7. 125 t Kirow crane erecting 27 m span bridge on North York Moors Railway, 2010. Collection of Nigel Trotter
FIGURE 8. Historical progression of railway cranes. Author’s collection
FIGURE 9. Reconstruction of Great Central line Bridge over Euston main lines, 1964. Three thirty-hour possessions. Author’s collection
FIGURE 10. Bushey Bridge, with 70 ton Lorain the then largest road crane removing wrought-iron box girders, 1963. Author’s collection
FIGURE 11. Bushey Bridge, with forklift placing precast units to form composite steel girders, 1963, whilst tracks are interlaced. Author’s collection
FIGURE 12. A 1200 ton crane erecting 6/U-deck spans near Arundel, 2010. Courtesy Cranes & Access
FIGURE 13. Progression of road cranes. Author’s collection
FIGURE 14. Rolling-in with balls, skates and sliding for a 360 ton load. Author’s collection
FIGURE 15. Part of War Office drawing of military trestling, 1939. Author’s collection
FIGURE 16. Exeter River Exe Bridge, one track rolled in from each side, 1997. Author’s collection
FIGURE 17. Sliding-in of Brinnington Bridge 70A over M63 and M66, 1988. Courtesy Cass Hayward LLP
FIGURE 18. Newark Dyke Bridge as completed 2000, showing needle beam. Author’s collection
FIGURE 19. Newark Dyke Bridge, sliding-in using permanent needle beams, 2000. Seventytwo- hour possession. Author’s collection
FIGURE 20. Loughor Viaduct, offline launching, prior to transverse slide in possession, 2013. Author’s collection
FIGURE 21. Gainsborough River Trent Bridge, 1992, erected by launching on existing bridge. Courtesy Cass Hayward LLP
FIGURE 22. Gainsborough River Trent Bridge, sequence of construction, 1992. Author’s collection
FIGURE 23. Erection using Transporters of New Cross Gate Bridge, East London Line, 2010. Courtesy Mabey Bridge
FIGURE 24. Historical progression of construction of abutments. Author’s collection
FIGURE 25. Brentwood Bridge over M25 showing tiered abutment walls during jacking beneath tracks, 1974. Collection of Roger Bastin
FIGURE 26. Jacked and pulled structures. Author’s collection
FIGURE 27. Tipton, 2009. Jacking in open cut of box weighing 5500 t. One hundred-and-onehour possession. Courtesy CH2M Hill Halcrow & BAM Nuttall
