A Safety Evaluation Of High-speed Trains By Investigating The Effects Of Mine Blasting
Author(s)
H. K. Kim, S. H. Lee, J. W. Lee, C. Y. Choi
Abstract
Recently, the Honam high-speed railroad line was constructed in the southern part of Korea. This line is for a next generation high-speed train (HST) named HEMU-430X. But there is a limestone mine near the Honam HSR line and this mine will proceed to dig a passageway under the Honam line. In this case, the safety of the railroad system and the stability of the mine are crucial problems on both sides. By measuring the mine blasting vibration and calculating the regression equation, the effect of mine blasting to the trains running is investigated quantitatively. By applying 0.5kine (cm/sec) as a management specification, the safe region of the mine blasting is defined. Train induced vibration is also investigated to evaluate the stability of mine. By comparing the results of vibration propagation properties, the location and shape of a passageway is determined in this study.
Keywords
high-speed train, mine blasting, vibration, passageway, safety evaluation
Related Book
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