bond between textilereinforced mortar (trm) and concrete
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Bond between textile-reinforced mortar (TRM) and concrete ...

Aug 01, 2016  This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the concrete compressive strength (15 MPa or

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Bond between textile-reinforced mortar (TRM) and concrete ...

Bond between textile-reinforced mortar (TRM) and concrete substrates: Experimental investigation Saad M. Raoof a, b, *, Lampros N. Koutas c, Dionysios A. Bournas d a Department of Civil Engineering, University of Nottingham, NG7 2RD, Nottingham, UK b Department of Civil Engineering, Tikrit University, Tikrit, Iraq c Department of Civil and Structural Engineering, University of Shef field, Sir ...

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Bond between textile-reinforced mortar (TRM) and concrete ...

This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the concrete compressive strength (15 MPa or 30 MPa); (e ...

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Bond between textile-reinforced mortar (TRM) and concrete ...

T D ACCEPTED MANUSCRIPT 1 1 Bond between Textile-Reinforced Mortar (TRM) and 2 Concrete Substrates: Experimental Investigation 3 4 Saad M. Raoof a,b*, Lampros N. Koutas a, Dionysios A. Bournas c 5 a Department of Civil Engineering, University of Nottingham, NG7 2RD, Nottingham, UK 6 b Department of Civil Engineering, Tikrit University, Iraq- Tikrit 7 c European Commission, Joint

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Bond between textile-reinforced mortar (TRM) and concrete ...

Abstract This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the concrete compressive strength (15 MPa or

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Bond between textile reinforced mortar (TRM) and concrete ...

Firstly, the tensile properties of the textile reinforcement were determined through carrying out tensile tests on bare textiles, and TRM coupons. Secondly, the bond behaviour between TRM and concrete substrates both at ambient and, for the first time, at high temperature was extensively investigated. A total of 148 specimens (80 specimens ...

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Bond between textile-reinforced mortar (TRM) and

T D ACCEPTED MANUSCRIPT 1 1 Bond between Textile-Reinforced Mortar (TRM) and 2 Concrete Substrates: Experimental Investigation 3 4 Saad M. Raoof a,b*, Lampros N. Koutas a, Dionysios A. Bournas c 5 a Department of Civil Engineering, University of Nottingham, NG7 2RD, Nottingham, UK 6 b Department of Civil Engineering, Tikrit University, Iraq- Tikrit 7 c European Commission, Joint

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Bond between textile-reinforced mortar (TRM) and concrete ...

This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the concrete compressive strength (15 MPa or 30 MPa); (e ...

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Bond between textile reinforced mortar (TRM) and concrete ...

Firstly, the tensile properties of the textile reinforcement were determined through carrying out tensile tests on bare textiles, and TRM coupons. Secondly, the bond behaviour between TRM and concrete substrates both at ambient and, for the first time, at high temperature was extensively investigated. A total of 148 specimens (80 specimens ...

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Bond between textile-reinforced mortar (TRM) and concrete ...

May 15, 2016  This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the ...

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Bond between textile reinforced mortar (TRM) and concrete ...

Request PDF Bond between textile reinforced mortar (TRM) and concrete substrate There is a growing interest for strengthening and upgrading existing concrete structures both in seismic and non ...

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Bond between textile-reinforced mortar (TRM) and concrete ...

Figure 5.3. Strengthening procedure: (a) surface preparation for TRM specimens; (b) application of the first layer of mortar and first layer of textile; (c) surface preparation for FRP specimens; and (d) application of the first layer of textile for FRP specimens. - "Bond between textile-reinforced mortar (TRM) and concrete substrates: Experimental investigation"

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Title: Bond between textile reinforced mortar (TRM) and ...

Secondly, the bond behaviour between TRM and concrete substrates both at ambient and, for the first time, at high temperature was extensively investigated. A total of 148 specimens (80 specimens tested at ambient temperature and 68 specimens tested at high temperatures) were, fabricated, and tested under double-lap shear.

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Bond between TRM versus FRP composites and concrete at ...

Oct 15, 2017  All TRM-strengthened specimens tested at ambient and high temperature failed due to deboning, but the concrete cover detached at high temperature was thinner than the cover detached at ambient (see Fig. 13c vs. Fig. 13a), indicating the effect of the tensile strength of the mortar on the bond strength even for failure at the concrete substrate.

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Bond strength of lap-spliced bars in concrete confined ...

The effectiveness of fiber-reinforced polymer (FRP) and textile-reinforced mortar (TRM) jackets was investigated experimentally and analytically in this study to confine old-type reinforced concrete (RC) columns with limited capacity because of bond failure at lap-splice regions.

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Innovative technique of textile reinforced mortar (TRM ...

results of the mortar flow ranged between 225 and 250 mm. The mix proportions and mechanical properties of concrete and mortars are listed in table 2. 2.4. BOND BETWEEN CONCRETE AND MORTAR Hybrid cylinders were tested under splitting compressive load to assess the bond strength between old concrete and new mortar. Hybrid

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Strengthening of Concrete Structures with Textile ...

Textile reinforced mortars (TRM), also known in the international literature as textile reinforced concrete (TRC) or fabric reinforced cementitious matrix (FRCM) materials, have been widely studied during the last two decades as they constitute a promising alternative to the fiber reinforced polymer (FRP) retrofitting solution for strengthening of reinforced concrete members.

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Reinforced Concrete Beam Strengthened with Prestressed ...

Mar 04, 2020  e ciency of textile-reinforced mortar (TRM) and the di erence in flexural behavior between prestressed and non-prestressed TRM-strengthened reinforced concrete beam. The test results show that TRM strengthening improves the flexural strength of TRM-strengthened reinforced concrete beams with alkali-resistant-(AR-) glass textile as well as ...

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Textile reinforced mortar for strengthening reinforced ...

From the results obtained in this study it is believed that TRMs is a potential solution for the structural upgrading of concrete structures provided the bond between the textile layer and the concrete surface is maintained. KW - Strengthening. KW - Textile. KW - Textile reinforced mortar. KW - TRM

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Textile-reinforced mortar - Wikipedia

Textile-reinforced mortars (TRM) (also known as fabric-reinforced cementitious mortars (FRCM) are composite materials used in structural strengthening of existing buildings, most notably in seismic retrofitting.The material consists of bidirectional orthogonal textiles made from knitted, woven or simply stitched rovings of high-strength fibres (e.g. carbon, glass, aramid, basalt, or PBO ...

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Bond between textile-reinforced mortar (TRM) and concrete ...

This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a) the bond length (from 50 mm to 450 mm); (b) the number of TRM layers (from one to four); (c) the concrete surface preparation (grinding versus sandblasting); (d) the concrete compressive strength (15 MPa or 30 MPa); (e ...

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Title: Bond between textile reinforced mortar (TRM) and ...

Secondly, the bond behaviour between TRM and concrete substrates both at ambient and, for the first time, at high temperature was extensively investigated. A total of 148 specimens (80 specimens tested at ambient temperature and 68 specimens tested at high temperatures) were, fabricated, and tested under double-lap shear.

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Bond between textile-reinforced mortar (TRM) and concrete ...

Figure 5.3. Strengthening procedure: (a) surface preparation for TRM specimens; (b) application of the first layer of mortar and first layer of textile; (c) surface preparation for FRP specimens; and (d) application of the first layer of textile for FRP specimens. - "Bond between textile-reinforced mortar (TRM) and concrete substrates: Experimental investigation"

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Bond between textile-reinforced mortar (TRM) and concrete ...

Bond between textile-reinforced mortar (TRM) and concrete substrates: experimental investigation . By Saad M. Raoof, Lampros N. Koutas and Dionysios A. Bournas. Abstract. This paper presents an extended experimental study on the bond behaviour between textile-reinforced mortar (TRM) and concrete substrates. The parameters examined include: (a ...

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Effect of composite material confinement on bond strength ...

The effectiveness of fiber-reinforced polymer (FRP) and textile-reinforced mortar (TRM) jackets was investigated experimentally and analytically in this study as a means of confining old-type reinforced concrete (RC) columns with limited capacity due to bond failure at lap splice regions.

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Experimental investigation of bond between glass textile ...

Apr 07, 2017  In this paper, an experimental program involving shear bond tests on double-lap/double-prism specimens is presented aiming to assess the bond characteristics of interfaces comprising uncoated alkali-resistant glass fiber textile reinforced cementitious mortars (TRM) applied as overlays on unreinforced masonry substrates. In total, 19 test results are presented with the bond length being

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Effect of Mortar Age on the Textile-to-Mortar Bond Behavior

Textile-reinforced mortar (TRM) composites have received extensive attention as a ... concrete substrate surface as an externally bonded reinforcement (EBR) system. The bond at the textile-to-mortar interfaces is the main stress-transfer mechanism and, therefore, should be thoroughly ... the bond between TRM and masonry substrate (Ascione, De ...

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Reinforced Concrete Beam Strengthened with Prestressed ...

Mar 04, 2020  e ciency of textile-reinforced mortar (TRM) and the di erence in flexural behavior between prestressed and non-prestressed TRM-strengthened reinforced concrete beam. The test results show that TRM strengthening improves the flexural strength of TRM-strengthened reinforced concrete beams with alkali-resistant-(AR-) glass textile as well as ...

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Effect of High Temperatures on the TRM-to-Masonry Bond ...

This work is devoted to the experimental assessment of the Textile Reinforced Mortar (TRM)-to-masonry residual bond characteristics as a function of temperature. For this purpose, shear bond tests on single-lap/single-prism specimens were conducted after their exposure at different temperature levels, namely at 100°C, 200°C and 300°C.

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(PDF) Effect of Shape Modification on the Confinement ...

Aug 31, 2021  grooves were to increase the bond between the concrete and the new mortar ... Textile-reinforced mortar (TRM) versus bre-reinforced polymers (FRP) in

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Raoof, Saad Mahmood (2017) Bond between textile

Bond between Textile Reinforced Mortar (TRM) and Concrete Substrate A Thesis submitted for the degree of Doctor of Philosophy in Civil and structural Engineering at The University of Nottingham by Saad Mahmood Raoof (4206714) July 2017 Centre for Structural Engineering and Informatics Department of Civil Engineering Faculty of Engineering

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Bond strength of lap splices in FRP and TRM confined ...

The effectiveness of Fibre-Reinforced Polymer (FRP) and Textile-Reinforced Mortar (TRM) jackets was investigated experimentally and analytically in this study as a means of confining old-type reinforced concrete (RC) columns with limited capacity due to bond failure at lap splice regions.

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Performance of interface between TRC and existing concrete ...

Apr 15, 2020  Textile-reinforced concrete (TRC) is suitable to repair and reinforce concrete structures in harsh environments. The performance of the interface between TRC and existing concrete is an important factor in determining the strengthening effect of TRC. In this paper, a double-sided shear test was performed to investigate the effects of the chloride dry-wet cycles on the average shear strength ...

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Textile Reinforced Mortars (TRM) versus Fiber Reinforced ...

strengthening of beams under monotonic loading and on aspects of bond between concrete and cement-based textile composites (10-11). In the present study, the authors go a few steps further: First, textiles are combined with inorganic (cement-based) binders, named here textile reinforced mortars (TRM), to increase the strength and ductility of

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