Dimensioning the flexural strenghtening of concrete slabs with textile reinforced mortar : literature data evaluation

Muresan, Alex-Manuel (School of Engineering and Architecture (HEIA-FR), HES-SO // University of Applied Sciences Western Switzerland) ; Zwicky, Daia (School of Engineering and Architecture (HEIA-FR), HES-SO // University of Applied Sciences Western Switzerland)

When strengthening reinforced concrete slabs with textile reinforced mortars (TRM), the “correct” consideration of the global bond behaviour between textile and cementitious matrix is identified as the main challenge in determining the most appropriate global analytical model. The first model evaluated here is based on classical assumptions for structural concrete design. The second model, as another extreme assumption, is completely neglecting textile bond in the cracked zone, thus assuming it as unbonded, end-anchored, external reinforcement. The third model is based on the simplifying assumption of the textile reinforcement being only significantly activated when the internal steel reinforcement is yielding. Analytical results from these approaches are compared to a database containing more than 130 test results reported in literature, and are statistically evaluated.


Keywords:
Conference Type:
full paper
Faculty:
Ingénierie et Architecture
School:
HEIA-FR
Institute:
iTEC - Institut des technologies de l'environnement construit
Subject(s):
Ingénierie
Publisher:
Copenhagen, Denmark, 25-27 June 2018
Date:
2018-06
Copenhagen, Denmark
25-27 June 2018
Pagination:
6 p.
Published in:
Proceedings of IABSE Conference 2018 "Engineering the past, to meet the needs of the future", Copenhagen, Denmark, 25-27 June 2018
Appears in Collection:



 Record created 2019-01-08, last modified 2019-01-22

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