Basic methods of research which are used for technical forecast highway bridges has been examined. The analysis modern non-destructive methods of research and conclusion about possibility their using to determine condition of bridges has been made. The example of fulfillment of work from technical forecast of condition old steel bridge which was built long time ago and example of using acoustic emission method for research concrete and reinforced constructions has been given.
The paper examines the options for replacing the current energy mix of non-renewable, conventional energy sources solely with renewable sources in the long term within the context of the Slovak environment, possibly combined with nuclear energy in the 50-year horizon. Vital needs are outlined in household energy consumption and energy consumption for industrial and transportation purposes to fulfil in order for Slovakia to become independent of foreign sources in energy supplies.
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