RC Frames Under Earthquake Loading: State of the Art Report
The assessment of the respoonse of reinforced concrete frames to earthquakes is essential in many parts of the world. Therefore, the design and assessment of the structures which are likely to be subjected to such actions require the application of non-linear analysis using finite element techniques of different degrees of complexity. This state-of-the-art report, examines the behaviour of individual frame members subjected to the cyclic actions arising in seismically loaded frames; i.e. slender flexure-dominated beams, short columns and beam-column joints. The report also considers global inelastic frame behaviour and its modelling, and the peculiarities of the behaviour of masonry-filled frames.
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Frame members in bending with or without axial force
Frame members in flexure and axial force with high
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analysis assumptions axial force axial load axis bars beam-column joints biaxial bending bilinear bond chord rotation computed considered contraflexure corresponding cracking critical regions cross-section curvature curve cyclic loading cycling damage damping damping ratio diagonal displacement paths distribution ductility earthquake effect elastic end-section energy dissipation equal equation equilibrium evaluation experimental results Fardis fibre model finite element flexibility matrix frame structures global horizontal hysteresis loops hysteretic increase incremental inelastic infill walls infilled frames interface joint hoops joint shear linear linear elastic longitudinal maximum mechanism monotonic loading non-linear normal parameters plastic hinges post-yield RC frames reinforced concrete reinforced concrete frame relation reloading branch seismic shear connectors shear deformations shear force shear span ratio shear strength shear stress shear walls simulation slab specimens stiffness degradation stiffness matrix storey strain strength and stiffness strut tension test results transverse displacement ultimate strength uniaxial flexure unloading vector vertical yield surface zero