DEAD LOAD EVALUATION IN REINFORCED CONCRETE COLUMNS USING RELEASED STRAIN MEASUREMENTS

A large and busy subway station was undergoing important structural modifications to be the main commuting point between an existing line and a new one under construction. Its reinforced concrete structure was built several years ago assuming the new line would have parallel tunnels to hold its two...

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Bibliographic Details
Published in:Experimental techniques (Westport, Conn.) Conn.), 2011-05, Vol.35 (3), p.63-70
Main Authors: Castro, J.T.P., Vieira, R.D., Sousa, R.A., Meggiolaro, M.A., Freire, J.L.F.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Civil engineering
Load
Materials Science
Railway networks
Reinforced concrete
Strain
Structural engineering
Technique
Transportation terminals
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Summary:A large and busy subway station was undergoing important structural modifications to be the main commuting point between an existing line and a new one under construction. Its reinforced concrete structure was built several years ago assuming the new line would have parallel tunnels to hold its two railways, but it had to be adapted as the new line was being dug by a bigger machine to settle its two railways inside a single tunnel. Consequently, several of its columns should be removed and properly replaced to allow the passage of the digging machine and the new line adjacent railways without interrupting the station services. Here, Castro et al determine the required loads in the columns affected by the station upgrade.
ISSN:0732-8818
1747-1567
DOI:10.1111/j.1747-1567.2009.00605.x