Swebrec Blasting Reports

3D mapping of sublevel caving (SLC) blast rings

- flow disturbances in the LKAB Kiruna mine

Burden movement while blasting under constraints

– Tests with new gauges in block 9, 741 m level, Kiruna mine

Study of burden movement in confined drift wall blasting tests

- Block 12, 691 m level, Kiruna mine

Gravity flow of broken rock in sublevel caving (SLC)

– State-of-the-art

2D image analysis using WipFrag software compared with actual sieving data of Kiruna

- Magnetite loaded from a drawpoint

The fragment size distribution of Kiruna magnetite loaded from a draw point

Evaluation and analysis of a full-scale test

Tunnel blast design for minimizing of the damage zone

- A guidance document for SKB and Posiva

Fragmentation in production rounds and mill throughput in the Aitik mine

- A summary of development projects 2002-2009

Evaluation of two layers cylinder tests: Experiments and FEM simulation

An experimental study regarding a model material’s ability to absorb energy during blasting has been
carried out.

Determination of the Gurney- and detonation energy for emulsion explosives

- with help of cylinder test

Determination of properties for emulsion explosives

- Using cylinder expansion tests and FEM simulation

Controlled fragmentation in sublevel caving - first tests

This report describes some tests made in order to examine a number of important factors in sublevel caving.

Application of borehole geophysics to identify variations in sublevel caving (SLC) debris

– Field tests in drifts filled with ore and waste

Application of time domain reflectometry (TDR) for block and sublevel caving mines

– State-of-the-art and preliminary laboratory shear tests

Blast damage from string emulsion, field tests and a damage zone table

- including simultaneous initiation

Handledning för utvärdering av 3D-bilder med Joint Metrix3D Imaging

Denna rapport är en handledning för utvärdering av tredimensionella bilder med hjälp av analysprogrammet, JointMetriX3D Imaging.

Monitoring the fragmentation in blast

- 4141-2 in the Aitik mine

Determination of the energetic characteristics of commercial explosives

- using the cylinder expansion test technique

The capacity of image analysis to measure fragmentation, an evaluation using Split Desktop®

This report is about the capacity of image analysis to measure fragmentation by blasting.

Publicerad:14 februari 2013
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