M.Sc. Tezi Görüntüleme

      An increasing use of explosives in the industries such as mining, construction, tunneling, quarrying where blasting is often used as a mode of operation cause the environmental problems, ground vibrations and air blasts have been frequently encountered. Therefore, the prediction of the magnitude of ground vibration to be induced is of great importance to prevent the damages to the structures close to the blasting point.

      In this study, the potential impact of ground vibrations produced from blasting operations during Yoroz tunneling was investigated. The current method of excavation was evaluated by measuring ground vibration components at different locations. The records obtained by vibration measurement equipment were compared to international standards.

      From the statistical analysis of the results, the general peak particle velocity equation PPV= 187,22*SD^(-1,2648) was constructed with a correlation coefficient of 0,7679. By using the equation it is aimed eliminating environmental effects of blasting and optimizing blasting conditions for subsequent blasting operations at the region. High determination coefficients were obtained when the data pairs were evaluated for each blasting. This suggested that the evaluation of the data for each blasting should be treated separately. Benching has a little environmental effect of blasting from top heading because benching has more than one free face. It is proved that the number of drillholes fired simultaneously has the most effect on blast induced vibrations.

      NOTE: ^ denotes superscript.