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… channel. Usually, for spillways in Swedish hydropower plants, this material is rock and the scour is in form of rock blocks. Scour downstream of dams can in the worst case endanger the dam construction. The purpose of this study was to identify the extent and the type of rock …
scenarier för efterbehandling och gestaltning av Aitikgruvan, Gällivare
Open pit mining creates huge amounts of tailings and waste rock deposits. Due to it's content of sulphide minerals, predominantly pyrite (FeS2), there is a risk of oxidation and formation of acid water containing heavy metals, known as Acid Rock Drainage (ARD). To prevent the …
Rock singing - five vocal teachers´ experience of the female voice. The purpose of this study is to find out what different vocal teachers have to say about rock singing and the female singing voice. The method I have used to gather information is a phenomenographically inspired …
en fallstudie på Sweden Rock Festival
… nearby municipality and region. The paper is based on a case study on Sweden Rock Festival, which is one of Swedens largest music festivals with a heavy-metal direction. Sweden Rock Festival is located in the south of Sweden in a small municipality called Sölvesborg. Sölvesborg …
Large volumes of excavated soil and rock are generated in building- and construction projects. These materials need to be transported longer and longer distances due to the densifications of cities. The transportation affects the environment in terms of noise and emissions, but …
en värderingsfråga?
… is to examine different methods for organisation and retrieval of pop and rock music recordings, and the problems concerned with this organisation. The focus is the question whether values towards pop and rock music influence the organisation of music in major Swedish record …
… great risk for human health and the surrounding environment. Some of the waste rock consists of sulphide minerals. When sulphide minerals come into contact with dissolved oxygen and precipitation, oxidation may occur resulting in acid mine drainage (AMD) and the release of heavy …
Chemical stabilization of mine waste with sewage sludge and calcium carbonate residues
… great risk for human health and the surrounding environment. Some of the waste rock consists of sulphide minerals. When sulphide minerals come into contact with dissolvedoxygen and precipitation, oxidation may occur resulting in acid mine drainage (AMD) and the release of heavy …
… master thesis consists of the creation of shock absorber models for percussive rock drills. A model of the rock was also developed. These models were connected to existing models of the rock drill to create a complete simulation of the rock drilling process. When the models had …
… Summary The goal of this study is to describe and calculate the future need of rock aggregate in the municipality of Arvidsjaur and Arjeplog with respect to planned roadworks. The purpose is to make a survey, which shows if the amounts of rock aggregate are enough or if there is …
This master thesis was conducted during the spring of 2014 at Atlas Copco Rock Drills AB in Örebro. The purpose of the thesis was to develop a simulation model of the rotation system for a hydraulic rock drill. In the future, the model will be used to investigate the phenomena …
Ur Garpenberggruvans driftcentral
… mining in Lappberget. Dammsjön is an area that isseverely affected by poor rock quality and is experiencing massive deviations inactivity operation time and consequently deviations in mining cycle operation time.The ramp mining in Lappberget is performed under good conditions …
Rock groundwater has always caused major problems when tunnelling. Water leaking into tunnels can cause large problems, not only on the construction itself but also on the environment. A continuous water leakage can lead to a declining water supply, and geotechnical problems can …
en jämförande studie av röstanvändning i pop- och rocksång
… hos kvinnliga sångerskor när de sjunger pop jämfört med när de sjunger rock samt vad dessa skillnader i röstanvändningen beror på. Mina frågeställningar behandlade främst om det fanns någonting stiltypiskt för rock respektive pop, hur det kommer sig att vissa ”får” en röst som …
Sammanfattning Zavgorodni, Nikolai (2008). Titel: Rock- och popmusik i undervisningen. En studie om betydelsen av musicerande på gymnasiets estetiska program (Rock and pop music in music education. Investigating the importance of music creation in high school’s aesthetic …
