Performance of damage protected beam-column joints subjected to bi-directional lateral loading (2006)
AuthorsSolberg, K., Li, L., Bradley, B., Mander, J.B., Dhakal, R.P.show all
This work will further investigate the validity of Damage Avoidance Design systems through an experimental and computational study of a 80% scale sub-assembly. A coupler system is implemented whereby high strength unbonded threaded rods running through the beams are coupled to rods within the columns. The threaded rods are post-tensioned and additional energy dissipation devices are installed. Precast and cast insitu solutions are considered. A multi-level seismic performance assessment is conducted considering three performance objectives related to occupancy and collapse prevention. Bi-directional quasi-static cyclic tests and quasi-earthquake displacement tests are performed. Critical earthquakes are selected using a probabilistic computational method. Results indicate the DAD system satisfies all performance objectives. Further design improvements are discussed.
CitationSolberg, K., Li, L., Bradley, B., Mander, J.B., Dhakal, R.P. (2006) Performance of damage protected beam-column joints subjected to bi-directional lateral loading. Christchurch, New Zealand: New Zealand Concrete Industry Conference, 29 Sep-1 Oct 2006.
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