Method using jacks for pushing 200-ft., 48-in. diam. pipe tunnel for substation conduits 21 ft. below 12-track railroad right-of-way, is described.
Running conduits under busy railroad
Elec. World
Electrical World ; 93 , n 8
1929
2 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Underpinning a busy railroad viaduct
Engineering Index Backfile | 1937
IuD Bahn | 2001
|Prompting module for elevator running busy degree information
Europäisches Patentamt | 2024
|UNMANNED RAILROAD RUNNING ROBOT FOR RAILROAD SAFETY DIAGNOSIS
Europäisches Patentamt | 2024
|Double-track work on a busy section of the Erie railroad
Engineering Index Backfile | 1917