000011724 001__ 11724
000011724 005__ 20141205155940.0
000011724 04107 $$aeng
000011724 046__ $$k2008-10-12
000011724 100__ $$aSritharan, Sri
000011724 24500 $$aConfinement Reinforcement Requirement for Prestressed Concrete Piles in High Seismic Regions

000011724 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011724 260__ $$b
000011724 506__ $$arestricted
000011724 520__ $$2eng$$aPrestressed concrete piles used in high seismic regions are required to be designed with spiral reinforcement in the potential plastic hinge regions for confinement purposes. However, the design requirements available in the current codes and standards for quantifying this reinforcement are not consistent, nor do they allow the designer to account for the expected maximum curvature ductility of the pile section. In recognition of these challenges, a rational approach to designing confinement reinforcement in potential plastic hinge regions was investigated and an equation to quantify the minimum spiral reinforcement required for prestressed concrete piles in seismic regions was developed. The spiral reinforcement quantified according to this equation leads to a minimum curvature ductility capacity of about 18, while it is shown that the resulting ultimate curvature capacity of a typical pile section would be about 28% above an estimated target curvature for seismic regions around the world. By analyzing different prestressed pile sections with variables such as concrete strength, initial prestressing and axial load ratio, it is shown that the developed equation is adequate for quantifying the confinement reinforcement in prestressed concrete piles in high seismic regions.

000011724 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011724 653__ $$aPrecast, presetressed, concrete, pile, seismic, confinement, reinforcement

000011724 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011724 720__ $$aSritharan, Sri$$iFanous, Ann-Marie F.$$iSuleiman, Muhannad$$iArulmoli, Arul K.
000011724 8560_ $$ffischerc@itam.cas.cz
000011724 8564_ $$s253332$$uhttps://invenio.itam.cas.cz/record/11724/files/08-02-0045.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 08-02-0045.
000011724 962__ $$r9324
000011724 980__ $$aPAPER