Modelling of RC Moment Resisting Frames with Precast-prestressed Flooring System (2009)
Type of ContentConference Contributions - Published
PublisherUniversity of Canterbury. Civil and Natural Resources Engineering
AuthorsPeng, B., Dhakal, R.P., Fenwick, R.C., Carr, A., Bull, D.K.show all
In this paper, the seismic performance of reinforced concrete moment resisting frames coupled with a floor containing precast-prestressed units is examined. Mechanisms associated with the beam strength enhancement arising from plastic hinges and floor interactions are described. A computational model is set up to predict the response of a 3D frame containing precast-prestressed floor units with cast-in-situ concrete topping. This model contains newly developed plastic hinge elements which account for flexural, shear and elongation response of plastic hinges in beams subjected to inelastic rotation and varying axial load levels. To allow for floor interaction with the beam plastic hinges, the model uses axial strut-and-tie elements to represent the linking slab between the longitudinal beams and the first precast unit. Analysis using this model shows good agreement with the experimental results indicating that the model can be used to analyse the seismic performance of RC frames containing precast-prestressed flooring systems.
CitationPeng, B., Dhakal, R., Fenwick, R.C., Carr, A., Bull, D.K. (2009) Modelling of RC Moment Resisting Frames with Precast-prestressed Flooring System. Christchurch, New Zealand: New Zealand Society of Earthquake Engineering Annual Conference (NZSEE), 3-5 Apr 2009.
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ANZSRC Fields of Research09 - Engineering::0905 - Civil Engineering
09 - Engineering::0905 - Civil Engineering::090504 - Earthquake Engineering