Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (4/4 displayed)

  • 2023Full scale pullout tests of rock anchors in Limestone testing rock mass uplift failure1citations
  • 2023Large scale laboratory block model tests simulating rock mass uplift failurecitations
  • 2023Laboratory block model tests simulating rock anchoring in rock masscitations
  • 2020Performance of a fully grouted GFRP rock bolt under combined pull and shear loadingcitations

Places of action

Chart of shared publication
Høien, A. H.
3 / 3 shared
Grindheim, Bjarte
3 / 3 shared
Aasbø, K. S.
1 / 1 shared
Mikkelsen, Lars Pilgaard
1 / 71 shared
Hovgaard, M. B.
1 / 1 shared
Chart of publication period
2023
2020

Co-Authors (by relevance)

  • Høien, A. H.
  • Grindheim, Bjarte
  • Aasbø, K. S.
  • Mikkelsen, Lars Pilgaard
  • Hovgaard, M. B.
OrganizationsLocationPeople

document

Performance of a fully grouted GFRP rock bolt under combined pull and shear loading

  • Mikkelsen, Lars Pilgaard
  • Hovgaard, M. B.
  • Li, C. C.
Abstract

Glass Fiber Reinforced Polymer (GFRP) rock bolts is gaining attention, as an alternative to steel bolts, for permanent rock support in civil underground infrastructures like road tunnels. GFRP holds many advantages for this purpose, including light weight, lower environmental impact and excellent durability characteristics. However, the shear strength of GFRP rock bolts has been a concern, particularly in a combined loading condition. The paper presents an experimental study that aims to evaluate the performance of a GFRP rock bolt subjected to combined pull and shear loads. It was found through laboratory tests that the strength of the rock bolt at a 47o displacement angle was similar to the tensile strength of the bolt (0º), while in the range of 47º to 72º the strength would drop to a value closer to what was measured in pure shear (90º). Finally, a numerical model has been established, to replicate the obtained results. the modelling can reasonably capture the performance of the bolt in a pure pull scenario, but it is not able to predict the behaviour in shear.

Topics
  • impedance spectroscopy
  • polymer
  • glass
  • glass
  • strength
  • steel
  • tensile strength
  • durability