Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites

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Abstract

Recycled polyethylene (R-PE) fibres from discarded waste fishing nets are used as fibre reinforcement in cement-based mortars for control of plastic shrinkage cracking. A thin, fresh mortar overlay is cast directly on top of a restraining concrete substrate and placed under controlled environmental conditions. Mortar overlays with the addition of R-PE fibres up to 2.0 vol% were tested and compared to mortar overlays with a 0.2 vol% addition of commercially available PP fibres. The cracking behaviour is monitored using a digital image correlation (DIC) technique allowing measurements of strain and displacement fields on the
overlay surface. The R-PE fibres were successful in controlling the plastic shrinkage cracking of restrained mortar overlays for fibre fractions of 2.0 vol%.
Original languageEnglish
Title of host publicationProceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019)
Number of pages8
PublisherRilem publications
Publication date2019
ISBN (Print)978-2-35158-217-6
ISBN (Electronic)978-2-35158-218-3
Publication statusPublished - 2019
Event2nd RILEM Spring Convention & International Conference on Sustainable Materials, Systems and Structures - Lone Hotel, Rovinj, Croatia
Duration: 18 Mar 201922 Mar 2019
Conference number: 2

Conference

Conference2nd RILEM Spring Convention & International Conference on Sustainable Materials, Systems and Structures
Number2
LocationLone Hotel
CountryCroatia
CityRovinj
Period18/03/201922/03/2019

Keywords

  • Plastic shrinkage
  • Crack detection
  • Plastic waste fibres
  • Digital image correlation

Cite this

Bertelsen, I. M. G., Ottosen, L. M., & Fischer, G. (2019). Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites. In Proceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019) Rilem publications.
Bertelsen, I.M.G. ; Ottosen, L.M. ; Fischer, G. / Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites. Proceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019). Rilem publications, 2019.
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abstract = "Recycled polyethylene (R-PE) fibres from discarded waste fishing nets are used as fibre reinforcement in cement-based mortars for control of plastic shrinkage cracking. A thin, fresh mortar overlay is cast directly on top of a restraining concrete substrate and placed under controlled environmental conditions. Mortar overlays with the addition of R-PE fibres up to 2.0 vol{\%} were tested and compared to mortar overlays with a 0.2 vol{\%} addition of commercially available PP fibres. The cracking behaviour is monitored using a digital image correlation (DIC) technique allowing measurements of strain and displacement fields on the overlay surface. The R-PE fibres were successful in controlling the plastic shrinkage cracking of restrained mortar overlays for fibre fractions of 2.0 vol{\%}.",
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Bertelsen, IMG, Ottosen, LM & Fischer, G 2019, Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites. in Proceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019). Rilem publications, 2nd RILEM Spring Convention & International Conference on Sustainable Materials, Systems and Structures , Rovinj, Croatia, 18/03/2019.

Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites. / Bertelsen, I.M.G.; Ottosen, L.M.; Fischer, G.

Proceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019). Rilem publications, 2019.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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T1 - Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites

AU - Bertelsen, I.M.G.

AU - Ottosen, L.M.

AU - Fischer, G.

PY - 2019

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N2 - Recycled polyethylene (R-PE) fibres from discarded waste fishing nets are used as fibre reinforcement in cement-based mortars for control of plastic shrinkage cracking. A thin, fresh mortar overlay is cast directly on top of a restraining concrete substrate and placed under controlled environmental conditions. Mortar overlays with the addition of R-PE fibres up to 2.0 vol% were tested and compared to mortar overlays with a 0.2 vol% addition of commercially available PP fibres. The cracking behaviour is monitored using a digital image correlation (DIC) technique allowing measurements of strain and displacement fields on the overlay surface. The R-PE fibres were successful in controlling the plastic shrinkage cracking of restrained mortar overlays for fibre fractions of 2.0 vol%.

AB - Recycled polyethylene (R-PE) fibres from discarded waste fishing nets are used as fibre reinforcement in cement-based mortars for control of plastic shrinkage cracking. A thin, fresh mortar overlay is cast directly on top of a restraining concrete substrate and placed under controlled environmental conditions. Mortar overlays with the addition of R-PE fibres up to 2.0 vol% were tested and compared to mortar overlays with a 0.2 vol% addition of commercially available PP fibres. The cracking behaviour is monitored using a digital image correlation (DIC) technique allowing measurements of strain and displacement fields on the overlay surface. The R-PE fibres were successful in controlling the plastic shrinkage cracking of restrained mortar overlays for fibre fractions of 2.0 vol%.

KW - Plastic shrinkage

KW - Crack detection

KW - Plastic waste fibres

KW - Digital image correlation

M3 - Article in proceedings

SN - 978-2-35158-217-6

BT - Proceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019)

PB - Rilem publications

ER -

Bertelsen IMG, Ottosen LM, Fischer G. Influence of recycled fibre reinforcement on plastic shrinkage cracking of cement-based composites. In Proceedings pro128 : International Conference on Sustainable Materials, Systems and Structures (SMSS2019). Rilem publications. 2019