Textile-reinforced mortar (TRM) versus fiber-reinforced polymers (FRP) in shear strengthening of concrete beams

By Z. Tetta, L. Koutas, D. Bournas. 2015

280 citations recorded by the source corpus.

This paper presents an experimental study on shear strengthening of rectangular reinforced concrete (RC) beams with advanced composite materials. Key parameters of this study include: (a) the strengthening system, namely textile-reinforced mortar (TRM) jacketing and fiber-reinforced polymer (FRP) jacketing, (b) the strengthening configuration, namely side-bonding, U-wrapping and full-wrapping, and (c) the number of the strengthening layers. In total, 14 RC beams were constructed and tested under bending loading. One of the beams did not receive any strengthening and served as control beam, eight received TRM jacketing, whereas the rest five received FRP jacketing. It is concluded that the TRM is generally less effective than FRP in increasing the shear capacity of concrete, however the effectiveness depends on both the strengthening configuration and the number of layers. U-wrapping strengthening configuration is much more effective than side-bonding in case of TRM jackets and the effectiveness of TRM jackets increases considerably with increasing the number of layers.

Subfields: Building and Construction, Civil and Structural Engineering

View Paper: https://www.semanticscholar.org/paper/d2d4ba7d8f6c59448616ebc94665c340ecbc0eb6

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Building and Construction

1. Saad M. Raoof
2. D. Bournas
3. L. Koutas
4. Z. Tetta
5. Rayed Alyousef
6. Hisham Alabduljabbar
7. Y. H. M. Amran

In Civil and Structural Engineering

1. Saad M. Raoof
2. D. Bournas
3. L. Koutas
4. Z. Tetta
5. Rayed Alyousef
6. Hisham Alabduljabbar
7. Y. H. M. Amran
8. C. Hung

Citations in the corpus

• TRM vs FRP jacketing in shear strengthening of concrete members subjected to high temperatures (2016, methodology): “Local damage of the jacket is observed in case of poor mechanical interlock which is affected from the textile geometry [26], the number of layers [8,23] and themortar strength.”
• Textile-reinforced mortar (TRM) versus fibre-reinforced polymers (FRP) in flexural strengthening of RC beams (2017, background): “Effect of number of layers on: (a) the ultimate flexural capa [16] in shear strengthening of RC beams with TRM when the number of layers increased from 1 to 2, but also by Raoof et al.”
• Bond between TRM versus FRP composites and concrete at high temperatures (2017, background): “[13, 14]]; the seismic retrofitting of RC columns (e.”
• Bond between textile-reinforced mortar (TRM) and concrete substrates: Experimental investigation (2016, methodology): “, 2015 [10], where RC beams were retrofitted in shear with TRM U-jackets, and has also been observed by the authors in flexural strengthening of RC beams with TRM [30].”
• Properties and applications of FRP in strengthening RC structures: A review (2018, background): “In the case of column wrapping, the failure of bond interface is not a main concern compared to the fracture of FRP sheets is the major mode of failure [272,306,311,312,315].”