Swebrec projects

Current projects in 2012

  • Continued work FP
  • Improved fragmentation by exact initiation time-Vinnova
  • Blast Try under clamped conditions - HLRC
  • Dynamic loading of rock reinforcement

Ongoing

Use of EPD detonators in large pits t. The project is part of the FP 2010-2011. Contact: Ulf Nyberg

Controlled break-in skivrassprängning
Contact: Ulf Nyberg

Publications: Swebrec report 2009:2 Controlled breakage at skivrassprängning - initial trial

Blasting Damage in drifting and tunneling; cooperation with Montanuiversität Leoben
Contact: Finn Ouchterlony

Improved sub-level caving (HLRC); Support Project for Matthias Wimmera HLRC-funded PhD project with the same title. Planned to end in autumn 2011. Contact: Ulf Nyberg

Optimized blasting skivras (HLRC). The project is a support for Daniel Johansson HLRC projects completed in autumn 2011. Contact: Daniel Johansson

Better blasting results with exactly the ignition; VINNOVA-funded project. Contact person / project manager: Jonny Sjöberg +46 76 7682255 jonny@itasca.se

Dynamic load amplification. Order from LKAB. Contact person / project manager Ulf Nyberg

Recently completed projects

Cylinder Expansion Test and verkansberäkningar
Publication: Swebrec report 2010:1 Evaluation of two-layer cylinder experiments: Experiment and FEM simulation of Hakan Hansson and Ulf Nyberg

Model for the fragmentation of aggregates extraction
Publications: MinBaS Final Report Optimal fragmentation of aggregates quarries, field trials in the Long Ridge by Finn Ouchterlony, Ulf Nyberg, Mats Olsson, Kristina Vikström (NCC) and Per Svedberg Stone (Sandvik) (Swebrec Report 2010:2)

Clients

SKB

Examination of the Excavation Damaged Zone in the Paw tunnel, Äspö HRL (2009)

Vinnova

Better fragmentation through Precise initation

HLRC - Hjalmar Lundbohm Research Centre

Blasting to compacted masses
Improved sublevel caving

Mass Mining Technology / Hybrid Stress Model Blasting

Burst Test the clamped conditions
Numerical modeling of blast

Page Editor and Contact: Richard Renberg

Published: 16 February 2012

Luleå University of Technology