Textile-Reinforced Mortar (TRM) or Textile-Reinforced Concrete (TRC) can produce novel structural techniques in civil engineering fields. The current study experimentally investigated the bending behavior of thin geopolymer mortar panels reinforced with Fiberglass Textile Grids (FGTG). The experimental work totally consisted of twelve panel specimens divided into two groups; each group included six specimens. The first specimen of each group was unreinforced, whereas the rest of the specimens were reinforced with a different number of grids; however, each group’s molarity of NaOH solutions was different. The results showed that the flexural strength and compressive strength of geopolymer mortar were significantly increased with the increment of molarity of NaOH solutions by 33 %. Textile reinforced geopolymer mortar (TRGM) panels showed deflection hardening behavior and multiple cracking. The deflection values at the same load levels were decreased when the number of grids and the molarity of NaOH solutions were increased. For TRGM specimens, in addition, the difference in molarities of NaOH solutions depicted a clear influence on the number and propagation of cracks. The toughness values of TRGM specimens were importantly enhanced with the increase of the FGTG reinforcement ratio.
It is highly recognized throughout the entire literature that there are many serious attempts to investigate the structural behavior of Reinforced concrete (RC) beam column joint. These studies tried to cover many key elements that usually govern the intended behavior of such structural element. It can be also from any simple survey during that literature that the reported failures in the past confirm the fact that the used design methods did not play the required role in providing good safe design. The most classic trend in strengthening the reinforced concrete joints was the addition of transversal bars. However, there are agreements throughout the recent contributions that increasing the level of reinforcement illustrated and optimum value and the extra addition may give negative results. In contrast, many alternative rehabilitation techniques were examined in the past such as Slurry Infiltrated Fiber Reinforced Concrete (SIFCON) blocks and Fiber Reinforced Polymer (FRP) sheets which gave good results regarding mechanical strength, stiffness and ductility behavior. The current study tries to present an overview with respect to past research programs that deals with such concern of science.
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