CAJ | 학술논문

针对国内一些露天矿布孔现状及存在的问题，使用GPS RTK测量技术，分析精确测量、布孔理论，并在露天矿爆破设计及施工现场进行实验研究。结果表明：应用GPS RTK技术进行精确布孔，较之前的布孔方式，较大提高了布孔定位精度及工作效率，布孔误差降低了将近20％，工作效率约提高了1倍；使用精确布孔技术，可以有效降低大块率，爆破大块率由5．0％降低到2．6％；使用精确布孔技术，改善了爆破效果，降低了二次破碎费用，节省了挖运成本，取得了良好的经济效益。
침대국내일사로천광포공현상급존재적문제，사용GPS RTK측량기술，분석정학측량、포공이론，병재로천광폭파설계급시공현장진행실험연구。결과표명：응용GPS RTK기술진행정학포공，교지전적포공방식，교대제고료포공정위정도급공작효솔，포공오차강저료장근20％，공작효솔약제고료1배；사용정학포공기술，가이유효강저대괴솔，폭파대괴솔유5．0％강저도2．6％；사용정학포공기술，개선료폭파효과，강저료이차파쇄비용，절성료알운성본，취득료량호적경제효익。
GPS RTK technology was introduced to solve some existing problems about holes arrangement in domestic open pit mine.Theories of accurate and precise measurements and holes arrangement were analyzed .Results show that the application of the RTK technology , compared to the previous ways used to holes arrangement , significantly facilitates in the position accuracy and efficiency .The error of holes arrangement has been decreased by about 20%as well as the efficiency increased by 1 times.Block rate has been effectively reduced from 5.0% to 2.6%.Improvement of blasting effect has been achieved , the secondary blasting and digging costs are saved , and accordingly good economic benefits are obtained .