Simplified Design Provisions for Hybrid Precast Connections.
Simplified Design Provisions for Hybrid Precast
Cheok, G. S.; Lew, H. S.
Wind and Seismic Effects, 29th Joint Meeting of
U.S./Japan Panel. Proceedings. U.S./Japan Natural
Resources Development Program (UJNR). Technical
Memorandum of PWRI No. 3524. May 13-16, 1997, Tsukuba,
Japan, Okahaca, M., Editor(s), 149-157 pp, 1997.
concretes; building technology; beam-column; connection;
joints; drift capacity; moment capacity; precast;
post-tensioning; seismic design procedure
A rational design procedure is presented to compute the
probable moment, the nominal moment, and the story drift
capacities of a hybrid precast moment-resisting
beam-to-column connection. The hybrid connections
consist of mild steel which is used to dissipate energy
by yielding and high strength prestressing steel which
is used to provide the shear resistance through friction
developed at the beam-column interface by the
post-tensioning force. The design procedure is based on
1/3-scale hydrid precast beam-to-column connections
tested at the National Institute of Standards and
Technology (NIST). The simplified procedure relies on
the stress-strain behavior of mild steel up to its
ultimate strength and is based on equilibrium
considerations at the beam-column joint.