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Permanent steel used as subway shoring
Underpinning and shoring for new depressed track under operating subway while subway trains were running on unreinforced concrete mat overhead; new method eliminated shoring, track work, signal changes, electric alterations and other work inside operating subway by modifying permanent steel roof beams for new track to serve as temporary supports.
Permanent steel used as subway shoring
Underpinning and shoring for new depressed track under operating subway while subway trains were running on unreinforced concrete mat overhead; new method eliminated shoring, track work, signal changes, electric alterations and other work inside operating subway by modifying permanent steel roof beams for new track to serve as temporary supports.
Permanent steel used as subway shoring
Civ Eng (NY)
Goldfinger, H. (author)
1960
3 pages
Article (Journal)
English
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