Experimental investigation on reinforced concrete slabs strengthened with carbon textiles under repeated impact loads

Publikation: Beitrag in FachzeitschriftForschungsartikelBeigetragenBegutachtung

Beitragende

Abstract

Abstract This study presents the performance of carbon textile reinforcement used as strengthening layers for reinforced concrete (RC) slabs under repeated impact loads. In order to reveal the contribution of carbon textile reinforcement to the behavior of RC slabs under impacts, five identical RC slabs with the dimensions of 1.5 m x 1.5 m x 0.20 m were manufactured and tested at the Technische Universität Dresden. To understand failure mechanisms of RC slabs under impact loadings, two specimens were kept unstrengthened and tested under different impact velocities. The rest of the specimens was strengthened with three different carbon textile reinforcements embedded in an additional 2 cm fine-grained concrete layer and subjected to impact loads with the same striker velocity. The results observed from the tests revealed that the carbon textile reinforcement is very effective at increasing the impact capacities of the specimens. Additionally, displacement–time histories and crack profiles are highly affected due to the carbon textile reinforcement types and ratios during the impact loadings.

Details

OriginalspracheEnglisch
Seiten (von - bis)120-131
Seitenumfang12
FachzeitschriftStructural concrete
Jahrgang2021
Ausgabenummer22(1)
Frühes Online-Datum15 Juli 2020
PublikationsstatusVeröffentlicht - 2021
Peer-Review-StatusJa

Externe IDs

Scopus 85087854353
ORCID /0000-0002-1596-7164/work/111044138

Schlagworte

Schlagwörter

  • reinforced concrete slabs, impact load, repeated impact, TRC strengthening, drop tower