EXPERIMENTAL INVESTIGATION OF PRECAST CONCRETE BEAM TO COLUMN CONNECTIONS SUBJECTED TO REVERSED CYCLIC LOADS
Year
: 2011
Abstract: Two types of precast and one type of monolithic full scale beam-column connections are tested
under reversed cyclic loads. Both of the precast concrete connections tested were cast in place,
but with different connection details, namely straight spliced (PC1) and U-shaped (PC2). The
straight spliced and U-shaped connections were located in the beam and column of the precast
concrete subassemblies. Hysteresis response, strength, stiffness, damping and energy dissipation
of monolithic and precast connections were studied and then compared together. Monolithic
specimen (MO) indicated a good behavior in terms of integrated seismic parameters. The
experimental results shows that Specimen PC1 in which the top and bottom reinforcement are
continued by lap splicing treated a good behavior very similar and closed to those of control
monolithic specimen and preformed very good based on seismic demand. The behavior of
Specimen PC2 that U-shaped rebars were used in its connection was not satisfactory in
comparison with other specimens. Some shear deteriorations observed in both PC1 and PC2
connections. As conclusion, connections PC1 and PC2 are suggested in precast moment
resisting frames with moderate ductility located in high seismic zones. However, some essential
practice-oriented modifications are required.
under reversed cyclic loads. Both of the precast concrete connections tested were cast in place,
but with different connection details, namely straight spliced (PC1) and U-shaped (PC2). The
straight spliced and U-shaped connections were located in the beam and column of the precast
concrete subassemblies. Hysteresis response, strength, stiffness, damping and energy dissipation
of monolithic and precast connections were studied and then compared together. Monolithic
specimen (MO) indicated a good behavior in terms of integrated seismic parameters. The
experimental results shows that Specimen PC1 in which the top and bottom reinforcement are
continued by lap splicing treated a good behavior very similar and closed to those of control
monolithic specimen and preformed very good based on seismic demand. The behavior of
Specimen PC2 that U-shaped rebars were used in its connection was not satisfactory in
comparison with other specimens. Some shear deteriorations observed in both PC1 and PC2
connections. As conclusion, connections PC1 and PC2 are suggested in precast moment
resisting frames with moderate ductility located in high seismic zones. However, some essential
practice-oriented modifications are required.
Keyword(s): Precast Concrete Connections,Moment Resisting Frames,Reversed Cyclic
Loads,Energy Dissipation,Ductility Ratio
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EXPERIMENTAL INVESTIGATION OF PRECAST CONCRETE BEAM TO COLUMN CONNECTIONS SUBJECTED TO REVERSED CYCLIC LOADS
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| contributor author | هاشم شریعتمدار | en |
| contributor author | ابراهیم زمانی بیدختی | en |
| contributor author | Hashem Shariatmadar | fa |
| contributor author | ebrahim zamani beydokhty | fa |
| date accessioned | 2020-06-06T14:02:08Z | |
| date available | 2020-06-06T14:02:08Z | |
| date copyright | 5/16/2011 | |
| date issued | 2011 | |
| identifier uri | http://libsearch.um.ac.ir:80/fum/handle/fum/3379718 | |
| description abstract | Two types of precast and one type of monolithic full scale beam-column connections are tested under reversed cyclic loads. Both of the precast concrete connections tested were cast in place, but with different connection details, namely straight spliced (PC1) and U-shaped (PC2). The straight spliced and U-shaped connections were located in the beam and column of the precast concrete subassemblies. Hysteresis response, strength, stiffness, damping and energy dissipation of monolithic and precast connections were studied and then compared together. Monolithic specimen (MO) indicated a good behavior in terms of integrated seismic parameters. The experimental results shows that Specimen PC1 in which the top and bottom reinforcement are continued by lap splicing treated a good behavior very similar and closed to those of control monolithic specimen and preformed very good based on seismic demand. The behavior of Specimen PC2 that U-shaped rebars were used in its connection was not satisfactory in comparison with other specimens. Some shear deteriorations observed in both PC1 and PC2 connections. As conclusion, connections PC1 and PC2 are suggested in precast moment resisting frames with moderate ductility located in high seismic zones. However, some essential practice-oriented modifications are required. | en |
| language | English | |
| title | EXPERIMENTAL INVESTIGATION OF PRECAST CONCRETE BEAM TO COLUMN CONNECTIONS SUBJECTED TO REVERSED CYCLIC LOADS | en |
| type | Conference Paper | |
| contenttype | External Fulltext | |
| subject keywords | Precast Concrete Connections | en |
| subject keywords | Moment Resisting Frames | en |
| subject keywords | Reversed Cyclic Loads | en |
| subject keywords | Energy Dissipation | en |
| subject keywords | Ductility Ratio | en |
| identifier link | https://profdoc.um.ac.ir/paper-abstract-1022226.html | |
| conference title | 6th International Conference on Seismology and Earthquake Engineering | en |
| conference location | مشهد | fa |
| identifier articleid | 1022226 |