Search for dissertations about: "ground improvements"
Showing result 1 - 5 of 43 swedish dissertations containing the words ground improvements.
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1. Running-in of gears from a surfacetransformation and efficiency point of view
Abstract : Requirements today for machines have moved beyond functionality intoefficiency and reliability, gears are no exception. The presented work focuseson the analysis of the measurement, evolution and effect of running-in on geardrives from a surface roughness and efficiency point of view. READ MORE
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2. Improvements of U-pipe Borehole Heat Exchangers
Abstract : The sales of Ground Source Heat Pumps in Sweden and many other countries are having a rapid growth in the last decade. Today, there are approximately 360 000 systems installed in Sweden, with a growing rate of about 30 000 installations per year. READ MORE
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3. A ground-borne noise prediction model for railway traffic in tunnels in bedrock
Abstract : Human life has become more manageable by the expansion of railway lines. However, despite providing convenience, railways increase noise and vibration in residential areas. Vibrations and noise generated by railways may harm human health, cause cosmetic damage and have an adverse impact on the environment. READ MORE
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4. Prediction and Optimisation of Traffic Noise. A Study on Noise Barriers and Shielded Areas
Abstract : The main contribution of noise levels in cities is today road traffic. The strongest source for all road vehicles is most often the tyre-road contact. This source position close to the ground is fortunate with respect to secondary noise abatement measures, such as absorbing road surfaces or noise barriers. READ MORE
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5. Safety Culture in Sea and Aviation Transport
Abstract : The research presented in this thesis investigates sea and aviation transport safety culture, with a focus on perceptions and attitudes. A safety culture reflects the attitudes, beliefs, perceptions, and values that individuals share in relation to safety. READ MORE