Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts

Abstract This article presents a columns reinforcement experimental study, with the use of anchor steel bolts and fill with self-compacting concrete. Were tested five columns of reinforced concrete subjected to flexion-compression: two columns were used as reference, and a cross-section equal to 120...

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Main Authors: A. C. MESQUITA, A. S. ROCHA, R. G. DELALIBERA, W. A. DA SILVA
Format: Article
Language:English
Published: Instituto Brasileiro do Concreto (IBRACON)
Series:Revista IBRACON de Estruturas e Materiais
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952016000500796&lng=en&tlng=en
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author A. C. MESQUITA
A. S. ROCHA
R. G. DELALIBERA
W. A. DA SILVA
author_facet A. C. MESQUITA
A. S. ROCHA
R. G. DELALIBERA
W. A. DA SILVA
author_sort A. C. MESQUITA
collection DOAJ
description Abstract This article presents a columns reinforcement experimental study, with the use of anchor steel bolts and fill with self-compacting concrete. Were tested five columns of reinforced concrete subjected to flexion-compression: two columns were used as reference, and a cross-section equal to 120 x 250 mm; with a monolithic section equal to 155 x 250 mm cross section of the same reinforced columns and three which were initially molded with a 120 x 250 mm section and subsequently received a layer of 35 mm thick self-compacting concrete in the compressed side. Despite the studs do not present break, there was peeling of the reinforcement layer. The results indicate the possibility of using this method in reinforcing structural rehabilitation of reinforced concrete columns, with increase in load capacity on average equal to 403% in relation to the column reference.
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spelling doaj.art-96cb203de0704105b4aa52bb4f69ee132022-12-22T03:00:49ZengInstituto Brasileiro do Concreto (IBRACON)Revista IBRACON de Estruturas e Materiais1983-41959579682310.1590/S1983-41952016000500009S1983-41952016000500796Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel boltsA. C. MESQUITAA. S. ROCHAR. G. DELALIBERAW. A. DA SILVAAbstract This article presents a columns reinforcement experimental study, with the use of anchor steel bolts and fill with self-compacting concrete. Were tested five columns of reinforced concrete subjected to flexion-compression: two columns were used as reference, and a cross-section equal to 120 x 250 mm; with a monolithic section equal to 155 x 250 mm cross section of the same reinforced columns and three which were initially molded with a 120 x 250 mm section and subsequently received a layer of 35 mm thick self-compacting concrete in the compressed side. Despite the studs do not present break, there was peeling of the reinforcement layer. The results indicate the possibility of using this method in reinforcing structural rehabilitation of reinforced concrete columns, with increase in load capacity on average equal to 403% in relation to the column reference.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952016000500796&lng=en&tlng=encolummsreinforcementflexo-compressionreiforced concreteanchor bolts
spellingShingle A. C. MESQUITA
A. S. ROCHA
R. G. DELALIBERA
W. A. DA SILVA
Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts
Revista IBRACON de Estruturas e Materiais
columms
reinforcement
flexo-compression
reiforced concrete
anchor bolts
title Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts
title_full Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts
title_fullStr Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts
title_full_unstemmed Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts
title_short Experimental analysis of reinforcing columns of reinforced concrete, with anchor steel bolts
title_sort experimental analysis of reinforcing columns of reinforced concrete with anchor steel bolts
topic columms
reinforcement
flexo-compression
reiforced concrete
anchor bolts
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952016000500796&lng=en&tlng=en
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AT asrocha experimentalanalysisofreinforcingcolumnsofreinforcedconcretewithanchorsteelbolts
AT rgdelalibera experimentalanalysisofreinforcingcolumnsofreinforcedconcretewithanchorsteelbolts
AT wadasilva experimentalanalysisofreinforcingcolumnsofreinforcedconcretewithanchorsteelbolts