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Volume 13
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Article

In-Plane Shear Behavior of Unreinforced Masonry Wall Strengthened with Bamboo Fiber Textile-Reinforced Geopolymer Mortar

by
Roneh Glenn D. Libre Jr.
1,*,
Julius L. Leaño Jr.
2,
Luis Felipe Lopez
3,
Carlo Joseph D. Cacanando
3,
Michael Angelo B. Promentilla
4,
Ernesto J. Guades
5,
Lessandro Estelito O. Garciano
1 and
Jason Maximino C. Ongpeng
1
1
Department of Civil Engineering, De La Salle University, Manila 0922, Philippines
2
Department of Science and Technology, Philippine Textile Research Institute, Taguig 1631, Philippines
3
BASE-Bahay Innovation Center, Makati 1231, Philippines
4
Department of Chemical Engineering, De La Salle University, Manila 0922, Philippines
5
School of Engineering, University of Guam, Mangilao, GU 96923, USA
*
Author to whom correspondence should be addressed.
Buildings 2023, 13(2), 538; https://doi.org/10.3390/buildings13020538
Submission received: 26 January 2023 / Revised: 7 February 2023 / Accepted: 11 February 2023 / Published: 15 February 2023
(This article belongs to the Special Issue Research on the Performance of Traditional, New and Potential Building Materials)
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Abstract

Old structures that are made of adobe or brick walls are usually unreinforced and not designed for lateral forces. In-plane loads applied to unreinforced masonry walls (URM) are the usual cause of damage and failure of old buildings. In this research, small unreinforced brick masonry wallettes, 350 mm × 350 mm and 50 mm in thickness, are strengthened using bamboo fiber textile and plastered to the face of the walls using short bamboo fiber-reinforced geopolymer mortar. The wallettes are subjected to diagonal shear tests as described by ASTM E519 to investigate the in-plane shear performance of the strengthening method. The performances of 5 wallettes strengthened on one-side with mortar only, 5 wallettes on both-sides with mortar only, 5 wallettes with textile plastered on one-side only, and another 5 wallettes with textile plastered on both-sides, are compared to 5 control specimens without any strengthening. It is observed that the wallettes strengthened on one side and both sides with textile yield an increase in shear of about 24% and 35% in average, respectively. Failure modes show that the usual failure for URM is running bond failure and for strengthened URM is columnar failure. The implications of the results can be used in developing textile-reinforced geopolymer mortar systems to strengthen URM walls.
Keywords: bamboo fiber textile; Carbon footprint; diagonal shear; geopolymer mortar; in-plane shear; strengthening bamboo fiber textile; Carbon footprint; diagonal shear; geopolymer mortar; in-plane shear; strengthening

Share and Cite

MDPI and ACS Style

Libre Jr., R.G.D.; Leaño Jr., J.L.; Lopez, L.F.; Cacanando, C.J.D.; Promentilla, M.A.B.; Guades, E.J.; Garciano, L.E.O.; Ongpeng, J.M.C. In-Plane Shear Behavior of Unreinforced Masonry Wall Strengthened with Bamboo Fiber Textile-Reinforced Geopolymer Mortar. Buildings 2023, 13, 538. https://doi.org/10.3390/buildings13020538

AMA Style

Libre Jr. RGD, Leaño Jr. JL, Lopez LF, Cacanando CJD, Promentilla MAB, Guades EJ, Garciano LEO, Ongpeng JMC. In-Plane Shear Behavior of Unreinforced Masonry Wall Strengthened with Bamboo Fiber Textile-Reinforced Geopolymer Mortar. Buildings. 2023; 13(2):538. https://doi.org/10.3390/buildings13020538

Chicago/Turabian Style

Libre Jr., Roneh Glenn D., Julius L. Leaño Jr., Luis Felipe Lopez, Carlo Joseph D. Cacanando, Michael Angelo B. Promentilla, Ernesto J. Guades, Lessandro Estelito O. Garciano, and Jason Maximino C. Ongpeng. 2023. "In-Plane Shear Behavior of Unreinforced Masonry Wall Strengthened with Bamboo Fiber Textile-Reinforced Geopolymer Mortar" Buildings 13, no. 2: 538. https://doi.org/10.3390/buildings13020538

APA Style

Libre Jr., R. G. D., Leaño Jr., J. L., Lopez, L. F., Cacanando, C. J. D., Promentilla, M. A. B., Guades, E. J., Garciano, L. E. O., & Ongpeng, J. M. C. (2023). In-Plane Shear Behavior of Unreinforced Masonry Wall Strengthened with Bamboo Fiber Textile-Reinforced Geopolymer Mortar. Buildings, 13(2), 538. https://doi.org/10.3390/buildings13020538

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