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#6909. Experimental study on seismic performance of high strength rebar reinforced high strength concrete short-leg shear wall with rectangular section
| January 2027 | publication date |
| Proposal available till | 30-05-2025 |
| 4 total number of authors per manuscript | 0 $ |
| The title of the journal is available only for the authors who have already paid for |
| Journal’s subject area: |
| Building and Construction; Civil and Structural Engineering; Geotechnical Engineering and Engineering Geology; |
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| 2350 $ | 1200 $ | 1050 $ | 900 $ |
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Abstract:
In this paper, six short-leg shear walls with high strength reinforcement and high-strength concrete (in short HSLW) were tested under cyclic lateral loading. The failure mode, bearing capacity, deformation capacity, ductility, hysteretic performance and energy consumption capacity were investigated by changing the axial load ratio, cross-section height-to-width ratio and stirrup spacing. All specimens exhibited flexural-dominant behavior; The high-strength stirrup could effectively restrain HSLW and postpone the buckling of the longitudinal reinforcement; The shear capacity of short leg shear wall can be improved by high-strength horizontal distribution reinforcement. Thus HSLW still had good ductility and energy dissipation capacity under the high axial load ratio (design axial load ratio =0. 5). The load-bearing capacity of HSLW increased obviously with the increase of the axial load ratio and the cross-section height-to-width ratio; The ductility of HSLW decreased obviously with the decrease of the shear span ratio; The load-bearing capacity of HSLW was significantly higher than that of ordinary RC short pier shear wall, but the overall ductility turned worse.
Keywords:
High strength concrete; High strength rebar; Rectangular section; Seismic performance; Short-leg shear wall
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Abstract:
In this paper, six short-leg shear walls with high strength reinforcement and high-strength concrete (in short HSLW) were tested under cyclic lateral loading. The failure mode, bearing capacity, deformation capacity, ductility, hysteretic performance and energy consumption capacity were investigated by changing the axial load ratio, cross-section height-to-width ratio and stirrup spacing. All specimens exhibited flexural-dominant behavior; The high-strength stirrup could effectively restrain HSLW and postpone the buckling of the longitudinal reinforcement; The shear capacity of short leg shear wall can be improved by high-strength horizontal distribution reinforcement. Thus HSLW still had good ductility and energy dissipation capacity under the high axial load ratio (design axial load ratio =0. 5). The load-bearing capacity of HSLW increased obviously with the increase of the axial load ratio and the cross-section height-to-width ratio; The ductility of HSLW decreased obviously with the decrease of the shear span ratio; The load-bearing capacity of HSLW was significantly higher than that of ordinary RC short pier shear wall, but the overall ductility turned worse.
Keywords:
High strength concrete; High strength rebar; Rectangular section; Seismic performance; Short-leg shear wall
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