Enlarged to permit passage of largest cars used by railroads of country; major excavation over a length of 4000 ft. near west portal was at its greatest depth about 2 ft. and 9 in.; handling excavated material under track and disposing of it without interfering with trains; overhead rock excavation. Reprinted from "Boston and Maine Railroad Employees Magazine." (see also Eng. and Contracting, vol. 67, no. 11, Nov. 1928, pp. 577-578)
Hoosac tunnel enlargement
Boston Soc. Civil Engrs. -- Jl
Boston Society of Civil Engineers -- Journal ; 15 , n 7
1928
5 pages
1 Fig.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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