Influence of warp and weft fiber volume fractions on tensile mechanical properties of alkali-resistant glass textile reinforced concrete

ZHU Deju; LI Xinliang; LI Anling

doi:10.13801/j.cnki.fhclxb.20210306.002

Volume 39 Issue 1

Jan. 2022

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ZHU Deju, LI Xinliang, LI Anling. Influence of warp and weft fiber volume fractions on tensile mechanical properties of alkali-resistant glass textile reinforced concrete[J]. Acta Materiae Compositae Sinica, 2022, 39(1): 322-334. doi: 10.13801/j.cnki.fhclxb.20210306.002

Citation:

ZHU Deju, LI Xinliang, LI Anling. Influence of warp and weft fiber volume fractions on tensile mechanical properties of alkali-resistant glass textile reinforced concrete[J]. Acta Materiae Compositae Sinica, 2022, 39(1): 322-334. doi: 10.13801/j.cnki.fhclxb.20210306.002

Citation:

ZHU Deju, LI Xinliang, LI Anling. Influence of warp and weft fiber volume fractions on tensile mechanical properties of alkali-resistant glass textile reinforced concrete[J]. Acta Materiae Compositae Sinica, 2022, 39(1): 322-334. doi: 10.13801/j.cnki.fhclxb.20210306.002

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Influence of warp and weft fiber volume fractions on tensile mechanical properties of alkali-resistant glass textile reinforced concrete

doi: 10.13801/j.cnki.fhclxb.20210306.002

Key Laboratory for Green & Advanced Civil Engineering Materials and Application Technology of Hunan Province, College of Civil Engineering, Hunan University, Changsha 410082, China

Received Date: 2021-01-15
Accepted Date: 2021-02-26
Rev Recd Date: 2021-02-15

Available Online: 2021-03-08

Publish Date: 2022-01-15

Abstract

Abstract

In order to study the influence of the warp and weft fiber volume fractions on the tensile mechanical properties of alkali-resistant glass textile reinforced concrete (ARG-TRC), quasi-static tensile tests were conducted on specimens with various volume fractions of warp yarn (0.24vol%, 0.49vol%, 0.73vol% and 1.09vol%) and weft yarn (0vol%, 0.20vol%, 0.48vol% and 0.96vol%) by a universal testing machine, and the crack strain distribution was obtained by digital image correlation (DIC) method. The results show that the tensile mechanical properties and failure modes of ARG-TRC mainly depend on the volume fractions of warp yarn, and the volume fractions of weft yarn do not show obvious effect. With the increase of the volume fractions of the warp yarn, the ultimate strength, peak strain and toughness increase significantly as well as the number of cracks. A trilinear model was obtained by fitting the experimental tensile stress-strain curves, and was compared with the ACK model. The crack-spacing calculation formula was modified based on the existing crack-spacing calculation model and experimental data, which show good consistency with the literature data. The findings will be helpful for the optimization of the configuration of textile in textile reinforced concrete (TRC), and for the improvement of the utilization efficiency of textiles, and be available for the performance design of TRC.
- alkali resistant glass textile,
- fiber volume fractions,
- tensile test,
- DIC,
- constitutive model,
- crack spacing
Long Abstrsct
Innovation Points

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References(30)

References

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