000009332 001__ 9332
000009332 005__ 20141205150155.0
000009332 04107 $$aeng
000009332 046__ $$k2008-10-12
000009332 100__ $$aAbdul Hamid, Nor Hayati
000009332 24500 $$aLateral Seismic Performance of Multi-Panel Precast Hollow Core Walls Subjected to Quasi-Static Cyclic Loading

000009332 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000009332 260__ $$b
000009332 506__ $$arestricted
000009332 520__ $$2eng$$aThe seismic resistance of a superassemblage of precast hollow core wall units is investigated. The superassemblage consists of six prestressed concrete 1.2m wide hollow core units. Two of the units are tied to the foundation via unbonded vertical tendons while the other four units primarily act as “non-structural” cladding. The superassemblage represents the wall of a single storey warehouse type structure. The longitudinal unbonded prestressing tendons consist of regular thread-bars with an in-series portion of those bars possessing a reduced diameter to act as “fuses”. Prior to testing, the fuse-bars are prestressed to 50% of their yield capacity. The multi-panel wall is tested under several different conditions: in-plane quasi-static reverse cyclic loading with different sizes of fuse-bars; and with and without rubber block spacers and sealant between units. Experimental results demonstrate that smaller diameter fuses lead to superior behaviour, as foundation uplift is inhibited. No structural damage occurs up to the experimental ± 4% drift limit. Some minor non-structural distress is observed to commence with sealant failure at 3% drift. This damage, however, is inexpensive to repair. Results also show that the hysteretic energy absorption that arises from the yielding tendons as well as the interacting rubber spacers and panel sealants provides an equivalent viscous damping factor of 10% at design drift amplitude of 2%. The overall good performance of the multi-panel wall system well satisfies the requirements of an emerging seismic Damage Avoidance Design (DAD) philosophy. KEYWORD: Superassemblage, Unbonded Prestressing Tendons, Multi-panel wall, Fuse-bars, Hysteretic Energy Absorption

000009332 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000009332 653__ $$a

000009332 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000009332 720__ $$aAbdul Hamid, Nor Hayati$$iMander, John Barrie
000009332 8560_ $$ffischerc@itam.cas.cz
000009332 8564_ $$s374080$$uhttps://invenio.itam.cas.cz/record/9332/files/12-03-0006.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 12-03-0006.
000009332 962__ $$r9324
000009332 980__ $$aPAPER