Search for dissertations about: "Håkan Schunnesson"
Showing result 1 - 5 of 10 swedish dissertations containing the words Håkan Schunnesson.
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1. Drill process monitoring in percussive drilling : a multivariate approach to data analysis
Abstract : .... READ MORE
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2. Drill process monitoring in percussive drilling for location of structural features, lithological boundaries and rock properties, and for drill productivity evaluation
Abstract : This thesis deals with the application of percussive drill monitoring in the mining and underground construction industries. The technique has been used to provide information on different ground properties and conditions and for drill productivity evaluation. READ MORE
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3. On the Operational Efficiency in Open Pit Mines
Abstract : Open pit mines constitute more than half of global minerals production. Yet most of the large, high-grade, and close to the surface deposits have been depleted or are currently in production. Besides, volatility in commodity prices and stringent environmental regulations limit the up-scaling expansions in large open pits. READ MORE
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4. Assessment of rock mass quality and its effects on charge ability using drill monitoring technique
Abstract : For an efficient mining operation, it is essential to have as much information as possible aboutthe ore to be excavated and the rock masses surrounding the ore. Geological information andthe content and distribution of extractable minerals, are central concerns for long term mineplanning. READ MORE
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5. Excavation damage from blasting with emulsion explosives : Quality control and macro fracturing in the remaining rock
Abstract : Excavation damage is usually regulated in Swedish infrastructure tunnel contracts as it can influence the quality and lifecycle cost for tunneling projects. The topic is important for underground constructions with a long operation period such as tunnels for public transport, permanent access tunnels in mines or underground repositories for nuclear waste. READ MORE