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A Case Study of Blasting with Electronic Detonator  

Hwang, Nam-Sun ((주)한화 D&B사업팀)
Lee, Dong-Hoon ((주)한화 D&B사업팀)
Lee, Seung-Jae ((주)한화 D&B사업팀)
Publication Information
Explosives and Blasting / v.34, no.4, 2016 , pp. 40-45 More about this Journal
Abstract
Sites, where explosives are used, are constantly under constraint of vibration and noise levels. If a sensitive area is located nearby the sites, mechanical excavation has been preferred rather than blasting. Recently, however, blasting using electronic detonators is applicable in the areas, where previously should be excavated by mechanical methods. $HiTRONIC^{TM}$ is a fourth-generation detonator that utilizes Hanwha Corporation's advanced electronic technology. The detonator contains IC-Chip, which allows delay times between 0~15,000ms with 1ms interval. Furthermore, the product can provide high accuracy(0.01%) for accurate-blasting. Electronic detonator is widely used in highway and railway construction sites, large limestone quarries, and other works. In this paper, several sites, in which HiTRONIC was used, are introduced in order to enhance understanding of electronic detonator.
Keywords
$HiTRONIC^{TM}$; Electronic detonator; mechanical excavation; explosives;
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