Adobe specimens of Greenlandic fine-grained rock material

Research output: Contribution to conferencePaperResearchpeer-review

Abstract

Every year, glacial rivers in Greenland transport and deposit vast quantities of fine-grained rock material (GP). In the present study we characterise this raw material (GP) and evaluate whether it is possible to produce adobe bricks for a local production in an Arctic region such as Greenland. The raw material characterization included determination of the grain size distribution and the plastic properties. For enabling the production of adobe bricks, it was, based on these tested parameters, found necessary to add a fraction of a coarser gravel-size material (KG) in addition to the fine-grained rock material (GP). Small-scale prisms and cylinders for determination of the drying shrinkage behaviour and the mechanical performance of the composite material were produced containing 50/50 of GP and KG, respectively. Adobe bricks are often reinforced with fibres of natural or synthetic materials to improve the ductility of the composites, such as for example straw, however, in Arctic regions such materials are often a scares resource due to the existing type of vegetation. Therefore, we instead added fibres from discarded polyethylene fishing nets, which is a local waste material often present in coastal towns in Greenland. The addition of fibres from waste fishing nets to the adobe specimens resulted in enhanced drying shrinkage behaviour, post-crack performance and toughness for prisms when exposed to flexural loads.
Original languageEnglish
Publication date2019
Number of pages7
Publication statusPublished - 2019
Event3rd International Conference on Bio-Based Building Materials
- Belfast, United Kingdom
Duration: 26 Jun 201928 Jun 2019
Conference number: 3

Conference

Conference3rd International Conference on Bio-Based Building Materials
Number3
CountryUnited Kingdom
CityBelfast
Period26/06/201928/06/2019

Keywords

  • Adobe bricks
  • Fine-grained rock material
  • Waste fishing nets
  • Fibre reinforcement
  • Local resources

Cite this

Bertelsen, I. M. G., Belmonte, L. J., & Ottosen, L. M. (2019). Adobe specimens of Greenlandic fine-grained rock material. Paper presented at 3rd International Conference on Bio-Based Building Materials
, Belfast, United Kingdom.
Bertelsen, I.M.G. ; Belmonte, L.J. ; Ottosen, L.M. / Adobe specimens of Greenlandic fine-grained rock material. Paper presented at 3rd International Conference on Bio-Based Building Materials
, Belfast, United Kingdom.7 p.
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abstract = "Every year, glacial rivers in Greenland transport and deposit vast quantities of fine-grained rock material (GP). In the present study we characterise this raw material (GP) and evaluate whether it is possible to produce adobe bricks for a local production in an Arctic region such as Greenland. The raw material characterization included determination of the grain size distribution and the plastic properties. For enabling the production of adobe bricks, it was, based on these tested parameters, found necessary to add a fraction of a coarser gravel-size material (KG) in addition to the fine-grained rock material (GP). Small-scale prisms and cylinders for determination of the drying shrinkage behaviour and the mechanical performance of the composite material were produced containing 50/50 of GP and KG, respectively. Adobe bricks are often reinforced with fibres of natural or synthetic materials to improve the ductility of the composites, such as for example straw, however, in Arctic regions such materials are often a scares resource due to the existing type of vegetation. Therefore, we instead added fibres from discarded polyethylene fishing nets, which is a local waste material often present in coastal towns in Greenland. The addition of fibres from waste fishing nets to the adobe specimens resulted in enhanced drying shrinkage behaviour, post-crack performance and toughness for prisms when exposed to flexural loads.",
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author = "I.M.G. Bertelsen and L.J. Belmonte and L.M. Ottosen",
year = "2019",
language = "English",
note = "3<sup>rd</sup> International Conference on Bio-Based Building Materials<br/>, ICBBM ; Conference date: 26-06-2019 Through 28-06-2019",

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Bertelsen, IMG, Belmonte, LJ & Ottosen, LM 2019, 'Adobe specimens of Greenlandic fine-grained rock material' Paper presented at 3rd International Conference on Bio-Based Building Materials
, Belfast, United Kingdom, 26/06/2019 - 28/06/2019, .

Adobe specimens of Greenlandic fine-grained rock material. / Bertelsen, I.M.G.; Belmonte, L.J.; Ottosen, L.M.

2019. Paper presented at 3rd International Conference on Bio-Based Building Materials
, Belfast, United Kingdom.

Research output: Contribution to conferencePaperResearchpeer-review

TY - CONF

T1 - Adobe specimens of Greenlandic fine-grained rock material

AU - Bertelsen, I.M.G.

AU - Belmonte, L.J.

AU - Ottosen, L.M.

PY - 2019

Y1 - 2019

N2 - Every year, glacial rivers in Greenland transport and deposit vast quantities of fine-grained rock material (GP). In the present study we characterise this raw material (GP) and evaluate whether it is possible to produce adobe bricks for a local production in an Arctic region such as Greenland. The raw material characterization included determination of the grain size distribution and the plastic properties. For enabling the production of adobe bricks, it was, based on these tested parameters, found necessary to add a fraction of a coarser gravel-size material (KG) in addition to the fine-grained rock material (GP). Small-scale prisms and cylinders for determination of the drying shrinkage behaviour and the mechanical performance of the composite material were produced containing 50/50 of GP and KG, respectively. Adobe bricks are often reinforced with fibres of natural or synthetic materials to improve the ductility of the composites, such as for example straw, however, in Arctic regions such materials are often a scares resource due to the existing type of vegetation. Therefore, we instead added fibres from discarded polyethylene fishing nets, which is a local waste material often present in coastal towns in Greenland. The addition of fibres from waste fishing nets to the adobe specimens resulted in enhanced drying shrinkage behaviour, post-crack performance and toughness for prisms when exposed to flexural loads.

AB - Every year, glacial rivers in Greenland transport and deposit vast quantities of fine-grained rock material (GP). In the present study we characterise this raw material (GP) and evaluate whether it is possible to produce adobe bricks for a local production in an Arctic region such as Greenland. The raw material characterization included determination of the grain size distribution and the plastic properties. For enabling the production of adobe bricks, it was, based on these tested parameters, found necessary to add a fraction of a coarser gravel-size material (KG) in addition to the fine-grained rock material (GP). Small-scale prisms and cylinders for determination of the drying shrinkage behaviour and the mechanical performance of the composite material were produced containing 50/50 of GP and KG, respectively. Adobe bricks are often reinforced with fibres of natural or synthetic materials to improve the ductility of the composites, such as for example straw, however, in Arctic regions such materials are often a scares resource due to the existing type of vegetation. Therefore, we instead added fibres from discarded polyethylene fishing nets, which is a local waste material often present in coastal towns in Greenland. The addition of fibres from waste fishing nets to the adobe specimens resulted in enhanced drying shrinkage behaviour, post-crack performance and toughness for prisms when exposed to flexural loads.

KW - Adobe bricks

KW - Fine-grained rock material

KW - Waste fishing nets

KW - Fibre reinforcement

KW - Local resources

M3 - Paper

ER -

Bertelsen IMG, Belmonte LJ, Ottosen LM. Adobe specimens of Greenlandic fine-grained rock material. 2019. Paper presented at 3rd International Conference on Bio-Based Building Materials
, Belfast, United Kingdom.