Seismic behavior of reinforced concrete sacrificial exterior shear keys of highway bridges

•An experimental program to study the seismic behavior of exterior shear keys.•The influence of reinforcement ratios and joint types on the mechanical behavior.•Two analytical models for predicting the force-displacement backbone curves. Shear keys as sacrificial members are widely used in cap beams...

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Veröffentlicht in:	Engineering structures 2017-05, Vol.139, p.59-70
Hauptverfasser:	Han, Qiang, Zhou, Yulong, Ou, Yuchen, Du, Xiuli
Format:	Artikel
Sprache:	eng
Schlagworte:	Abutments Analytical model Bridge abutments Bridges Earthquake construction Earthquake damage Exterior shear key Failure mode Failure modes Friction Highway bridge Highway bridges Mathematical models Mechanical properties Reinforced concrete Reinforcement Seismic activity Seismic behavior Seismic engineering Seismic response Seismology Shear Shear strength Sliding friction Studies Substructures Superstructures
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