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Found 1 from your keywords: author="Asrafi, Asrafi"
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ANALISIS PENGARUH GEOMETRI PELEDAKAN DAN DELAY TIME TERHADAP FRAGMENTASI DI L…
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Asrafi, Asrafi

PT Semen Padang (Persero), one of Indonesia's oldest cement producers, employs drilling and blasting for rock breakage. The company's fragmentation standard is 80% for fragments measuring up to 80 cm and 20% for those over 80 cm. Direct observation indicates a high presence of boulders and secondary blasting activities, with many blasts utilizing a single free face. An average of 71 blast holes…

Edition
-
ISBN/ISSN
-
Collation
xvii, 117 hlm.; ilus.; tab.; 29 cm.
Series Title
03021282126060
Call Number
T1807402025