000009585 001__ 9585
000009585 005__ 20141205150220.0
000009585 04107 $$aeng
000009585 046__ $$k2008-10-12
000009585 100__ $$aBournas, D.A.
000009585 24500 $$aInnovative Seismic Retrofitting of Old-Type RC Columns Through Jacketing: Textile-Reinforced Mortars (TRM) Versus Fiber-Reinforced Polymers (FRP)

000009585 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000009585 260__ $$b
000009585 506__ $$arestricted
000009585 520__ $$2eng$$aThe effectiveness of a new structural material, namely textile-reinforced mortar (TRM), was investigated experimentally in this study as a means of confining old-type reinforced concrete columns with limited capacity due to bar buckling or due to bond failure at lap splice regions. Comparisons with equal stiffness and strength fiber-reinforced polymer (FRP) jackets allow for the evaluation of the effectiveness of TRM versus FRP. Tests were carried out on full scale nonseismically detailed RC columns subjected to cyclic uniaxial flexure under constant axial load. Thirteen cantilever-type specimens with either continuous longitudinal reinforcement (smooth or deformed) or lap splicing of longitudinal bars at the floor level were constructed and tested. Experimental results indicated that TRM jacketing is quite effective as a means of increasing the cyclic deformation capacity of old-type RC columns with poor detailing, by delaying bar buckling and by preventing splitting bond failures in columns with lap spliced bars. Compared with their FRP counterparts, TRM jackets used in this study were found to be equally effective in terms of increasing both the strength and deformation capacity of the retrofitted columns. From the response of specimens tested in this study, it can be concluded that TRM jacketing is an extremely promising solution for the confinement of reinforced concrete columns, including poorly detailed ones with or without lap splices in seismic regions.

000009585 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000009585 653__ $$aconfinement, FRP, lap splices, reinforced concrete, seismic retrofitting, textile-reinforced mortar (TRM). 

000009585 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000009585 720__ $$aBournas, D.A.$$iTriantafillou, T.C.
000009585 8560_ $$ffischerc@itam.cas.cz
000009585 8564_ $$s1718850$$uhttps://invenio.itam.cas.cz/record/9585/files/05-03-0071.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-03-0071.
000009585 962__ $$r9324
000009585 980__ $$aPAPER