Unexpected difficulties encountered in trying to control seepage into 75-ft stretch of mile-long Erie Railroad tunnel, between Harriman and Graham, NY, overcome by utilizing false arch or timber "umbrella" in combination with drainage.
Waterproofing brick tunnel
Civ Eng (NY)
Civil Engineering (New York) ; 10 , n 11
1940
3 pages
Aufsatz (Zeitschrift)
Englisch
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