OPTIMIZATION OF THE IMPACT OF TECHNICAL SEISMICITY ON THE ROAD BRIDGE
Abstract
The implementation of blasting work in mining operations has both positive and negative consequences. Environmental protection laws, together with geological and mining laws, oblige the mining plant to protect its surroundings from the effects of mining activities. Blasting work is one of the basic technological processes. They help to dismantle the rock environment, which on the one hand represents a positive impact (obtaining rock debris with suitable fragmentation) and on the other hand causes a negative impact, because the surrounding buildings, the environment but also the population living in buildings near the quarry are endangered. For this reason, it is necessary to constantly deal with the optimization of blasting work.
This research was performed in order to find the optimal parameters of blasting works in the Gombasek quarry (CARMEUSE SLOVAKIA Ltd.) in the Slovak Republic. The research was focused on determining the maximum allowable charge per one timing stage depending on the distance in the Gombasek quarry so as to maintain the safety requirements for the road bridge (designation - M1714). The results of the research are presented in the article, where the maximum allowed charges for one timing stage were determined depending on the distance of blasting works in the Gombasek quarry per building object (bridge). Optimization of blasting parameters will make it possible to repeat aperture blasts in the Gombasek quarry.
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