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dc.contributor.authorTan, Kang Haien
dc.contributor.authorYu, Junen
dc.identifier.citationYu, J., & Tan, K. H. (2010). Progressive Collapse Resistance of RC Beam-Column Sub-assemblages. Design and Analysis of Protective Structures (3rd:2010:Singapore)en
dc.description.abstractTo investigate the structural resistance of reinforced concrete frames to mitigate progressive collapse, testing was conducted on two simplified RC beam-column sub-assemblages which were designed in accordance with ACI 318-05, with seismic or non-seismic detailing, under middle-column-removal scenarios. The sub-assemblages consisted of a two-span beam, a middle beam-column joint and two column stubs at both ends of the beam. Test results show that under increasing load at the middle beam-column joint, flexural action and compressive arch action are mobilised sequentially, followed by catenary action when the middle joint has undergone large deformations. Plus, the resistance of compressive arch action (with large axial compression in the beam) and catenary action (with axial tension along the beam) is greater than the flexural capacity based on conventional sectional plastic hinge analysis. Detailed information from the embedded strain gauges on longitudinal steel reinforcement along the whole beam was used to shed light on the development of structural mechanisms. Moreover, interaction diagrams of axial forces and bending moments at critical sections, such as joint interfaces and beam ends, were analysed to further illustrate different mechanisms. Finally, the analytical methods to calculate the respective capacities of flexural action and compressive arch action are presented in this paper.en
dc.format.extent10 p.en
dc.rights© 2010 Design and Analysis of Protective Structures.  This is the author created version of a work that has been peer reviewed and accepted for publication by Design and Analysis of Protective Structures.  It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The official conference website is:
dc.subjectDRNTU::Engineering::Civil engineering::Structures and designen
dc.titleProgressive collapse resistance of RC beam-column sub-assemblagesen
dc.typeConference Paperen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.contributor.conferenceDesign and Analysis of Protective Structures (3rd : 2010 : Singapore)en
dc.contributor.organizationDefence Science Technology Agency (DSTA)en
dc.contributor.researchProtective Technology Research Centreen
dc.description.versionAccepted versionen
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