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Title: Testing and simulation of 3D effects on progressive collapse resistance of RC buildings
Authors: Qian, Kai
Li, Bing
Zhang, ZhongWen
Keywords: DRNTU::Engineering::Civil engineering::Structures and design
Issue Date: 2014
Source: Qian, K., Li, B., Zhang, Z. (2014). Testing and simulation of 3D effects on progressive collapse resistance of RC buildings, Magazine of concrete research (In press).
Series/Report no.: Magazine of concrete research
Abstract: This paper evaluates the three-dimensional (3D) or slab effects on reinforced concrete (RC) buildings to mitigate progressive collapse, which is caused by the loss of an interior column. Six one-quarter scaled beam–column, or beam–column–slab substructures are tested. These six specimens are categorised into three series (P-, T- and S-series). The test results confirm that transverse beams and RC slabs can reduce the collapse vulnerability of RC buildings effectively. In addition, it is quantified that 3D effects without slab can increase the yield load of the frame by up to 100%, while 3D effects including slab can increase the yield load up by 246.2%. This is because the slabs not only increase the bending moment capacity of beam sections working as flanges, but also provide more alternative load paths for load redistribution. RC slab can upgrade the first peak load of the buildings by developing compressive membrane actions, and upgrade the ultimate load capacity of the building during the large deformation stage by developing a tensile membrane action. As the number of tested specimens is relatively small, a series of numerical and parametric studies are carried out to further quantify the 3D or slab effects on RC buildings in resisting progressive collapse.
DOI: 10.1680/macr.14.00178
Rights: © 2014 Thomas Telford (owned by Institution of Civil Engineers). This is the author created version of a work that has been peer reviewed and accepted for publication by Magazine of Concrete Research, Thomas Telford (owned by Institution of Civil Engineers). 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 published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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