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TESTS-BASED DESIGN OF INNOVATIVE CONCRETE STRUCTURES
Abstract
An innovative concept for design and detailing of precast concrete frame structures is analyzed under accidental seismic-type loading. The new detailing of post-tensioned assembled structures derives from the special hybrid moment frames as defined in the ACI T1.2-03 standard. The alternative detailing of special reinforcements, named modified special hybrid joints, are bondless with respect to both column and beams. The model represents a corner of an actual multistoried structure, cropped in the middle of the beams and columns spans. Full scale spatial model test is performed under seismic type loading. Theoretical approach is developed, based on testing results. Discussion regarding the modified special hybrid joints behavior under accidental loadings with respect to acceptance criteria for test-based design structures, their special features and further on widening research development concludes the paper
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References6
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ACI Innovation Task Group 1 and Collaborators: Special Hybrid Moment Frames Composed of Discretely Jointed Precast and Post-Tensioned Concrete Members (ACI T.1.2-03) and Commentary (ACI T.1.2R-03), American Concrete Institute, USA, 2004
ACI Innovation Task Group 1 and Collaborators: Acceptance Criteria for Moment Frames Based on Structural Testing (ACI T1.1-01) and Commentary (ACI T1.1R-01), American Concrete Institute, USA, 2004
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