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| APPLICATION AND TEST ON CONTROLLED BLASTING IN DRAW ON SLOPE OF OPEN-PIT |
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Received:July 31, 2006
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| DOI： |
| KeyWord:open - pit; controlled blasting; presplitting blasting ; slope stability |
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| Tongling Nonferrous Metals ( Group |
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| Abstract: |
| The Fenghuangshan copper mine is adopted underground mining,the mineral resources that returns to adopt to leave behind have not recovered in the upper part.For the purpose of recovering mineral resources,stabilizing the mine producibility,prolonging the service time,the remained ore carried on open-pit mine.In order to decrease the influence of blasting vibration,support the stability of the open-pit slope and protect the buildings,ancient mining sites and Xiangsi river of the earth's surface,then,adoption controlled blasting in draw on slope of open-pit.Based on the actual circumstance and the full arguments,select the project of presplitting blasting for remained ore.Test results show that presplitting blasting of draw on slope comes ture the expectation and promotes its application in mine. |
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