000021876 001__ 21876
000021876 005__ 20170622131309.0
000021876 04107 $$aeng
000021876 046__ $$k2017-06-15
000021876 100__ $$aLiolios, Angelos
000021876 24500 $$aREINFORCED CONCRETE FRAMES STRENGTHENED BY CABLE ELEMENTS UNDER CYCLIC LOADING: A COMPUTATIONAL APPROACH SIMULATING EXPERIMENTAL RESULTS

000021876 24630 $$n6.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000021876 260__ $$bNational Technical University of Athens, 2017
000021876 506__ $$arestricted
000021876 520__ $$2eng$$aAn efficient numerical simulation of the seismic response of single-story single-span Reinforced Concrete (RC) frames strengthened using diagonal tension-tie elements is presented. The developed analysis is based, calibrated and verified on test results of bare and X-braced RC frames subjected to cyclic imposed lateral deformations described in a companion paper. The dimensional and the reinforcement configurations of the frames represent earlier RC frame structures that have been designed using old Code provisions without consideration of seismic design criteria and. The columns of the RC frames have shear-critical character due to the inadequate amount of stirrups provided and their low height-to-depth ratio (short columns). Therefore, an easy-to-apply strengthening technique using a pair of two steel crossed tensionties (X-type bracing) is applied and examined. For the numerical simulation, the unilateral behavior of the cable elements that undertake only tension stresses is strictly taken into account. Comparisons between the analytical curves derived from the numerical simulation and the experimental ones from the cyclic tests showed a very good agreement.

000021876 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000021876 653__ $$aSeismic Strengthening of RC Structures, X-braced Systems, Cable Elements, Tension-Ties, Shear-critical Frames, Computational Calibration Procedures.

000021876 7112_ $$aCOMPDYN 2017 - 6th International Thematic Conference$$cRhodes Island (GR)$$d2017-06-15 / 2017-06-17$$gCOMPDYN2017
000021876 720__ $$aLiolios, Angelos$$iChalioris, Constantin
000021876 8560_ $$ffischerc@itam.cas.cz
000021876 8564_ $$s1128692$$uhttps://invenio.itam.cas.cz/record/21876/files/18195.pdf$$yOriginal version of the author's contribution as presented on CD, section: [RS17] Repair and retrofit of structures
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000021876 962__ $$r21500
000021876 980__ $$aPAPER