A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Research regarding the use of stitch-bonded and leno woven non crimp fabrics reinforcements in textile reinforced concrete
The bond and strength research remarkably shows the potential of the textile fabrics having been fabricated by the leno weaving for the use in Textile Concrete. Within the uniaxial tension tests a similar tensile load carrying behaviour could be observed. The slightly lower rise of the stress-strain-relations of the specimen of series DW in condition lib thereby probably mainly results from the influence of the different properties of the source materials. When examining the about 30 % lower collapse load, caused by thread damages while manufacturing the leno weaves, an impact onto the yarn tensile strength has to be assumed. Therefore, further research using identical source materials is needed in order to expose the influence of the fabrication process more specifically. The determined bond properties of both textile fabrics assure the manufacturing of workable TRC elements with the chosen textile configurations. As a result of the minor yarn undulations of both fabrics in association with the achieved yarn strength and the existing bond forces between yarn and matrix, a spalling free surface with very low crack widths was observed. Further optimisation of the textile fabrication and the use of stiffer carbon fibers with higher tensile strengths suggest a further augmenting of strength characteristics by saving the bond properties of the examined TRC components.
Research regarding the use of stitch-bonded and leno woven non crimp fabrics reinforcements in textile reinforced concrete
The bond and strength research remarkably shows the potential of the textile fabrics having been fabricated by the leno weaving for the use in Textile Concrete. Within the uniaxial tension tests a similar tensile load carrying behaviour could be observed. The slightly lower rise of the stress-strain-relations of the specimen of series DW in condition lib thereby probably mainly results from the influence of the different properties of the source materials. When examining the about 30 % lower collapse load, caused by thread damages while manufacturing the leno weaves, an impact onto the yarn tensile strength has to be assumed. Therefore, further research using identical source materials is needed in order to expose the influence of the fabrication process more specifically. The determined bond properties of both textile fabrics assure the manufacturing of workable TRC elements with the chosen textile configurations. As a result of the minor yarn undulations of both fabrics in association with the achieved yarn strength and the existing bond forces between yarn and matrix, a spalling free surface with very low crack widths was observed. Further optimisation of the textile fabrication and the use of stiffer carbon fibers with higher tensile strengths suggest a further augmenting of strength characteristics by saving the bond properties of the examined TRC components.
Research regarding the use of stitch-bonded and leno woven non crimp fabrics reinforcements in textile reinforced concrete
Eine Untersuchung hinsichtlich der Verstärkung durch nichtondulierte, nähgewirkte Gewebe und solche in Dreherbindung in textilverstärktem Beton
Kleicke, R. (author) / Hausding, J. (author) / Cherif, C. (author) / Lorenz, E. (author) / Ortlepp, R. (author)
2010
11 Seiten, 9 Bilder, 1 Tabelle, 30 Quellen
Conference paper
English
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