Tunnel, opened in 1856, built through chalk, consists of brick arch supported on original chalk as side walls; cross section and gradient shown in diagrams; conditions necessitating remedial measures; organization of renewal work considering traffic conditions; illustrated description of preassembled track unit mounted on 40-ft flat and of "Matisa" sleeper tamping machine.
Renewal of ballast and track by mechanical means in Polhill tunnel
Instn Civ Engrs -- J
Institution of Civil Engineers -- Journal ; 31 , n 4
1949
18 pages
3 Supp plates
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Track relaying in Polhill tunnel
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