?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F&rft.title=STUDI+PENGARUH+GEOMETRI+PELEDAKAN+TERHADAP+PENGGUNAAN+BAHAN+PELEDAK+PADA+PT.+PRO+INTERTECH+INDONESIA+KOTA+SORONG%0D%0APROVINSI+PAPUA+BARAT+DAYA&rft.creator=Sartika%2C+sartika&rft.subject=TN+Mining+engineering.+Metallurgy&rft.description=SARI%0D%0A%0D%0A%0D%0APenambangan+batu+andesit+pada+PT.+Pro+Intertech+Indonesia+dilakukan+dengan+kegiatan+pengeboran+dan+peledakan+menggunakan+bahan+peledak+berupa+Ammonium+Nitrat+and+Fuel+Oil+(ANFO).+Dari+hasil+pengamatan+di+lapangan+pada+bulan+Juli+2022%2C+saat+kegiatan+peledakan+distribusi+penggunaan+bahan+peledak+terlalu+banyak+sehingga+terdapat+material+fragmentasi+peledakan+sebesar+%C2%B1+16+cm+dengan+target+fragmentasi+perusahaan+%3C50+cm.+Dalam+memperhitungkan+penggunaan+bahan+peledak+berdasarkan+geometri+peledakan+terdapat+beberapa+metode+dengan+menggunakan+teori+The+Modern+Technique+of+Rock+Blasting%2C+teori+ICI-Explosive+dan+fungsi+linier+berdasarkan+grafik+korelasi.+Geometri+peledakan+aktual+yang+terdapat+di+lapangan+memiliki+ukuran+burden%2C+spasi+dan+stemming+yang+pendek+serta+ukuran+tinggi+jenjang+dan+panjang+kolom+isian+yang+panjang+mengakibatkan+penggunaan+bahan+peledak+sebanyak+46%2C98+kg+dengan+hasil+fragmentasi+%C2%B1+16+cm.+Berdasarkan+rancangan+geometri+yang+dilakukan+penggunaan+bahan+peledak+akan+lebih+berkurang+dengan+menggunakan+teori+ICI-Explosive%2C+tetapi+rancangan+geometri+yang+penulis+sarankan+yaitu+dengan+menggunakan+teori+The+Modern+Technique+of+Rock+Blasting+karena+powder+factor+yang+lebih+kecil+dapat+meminimalkan+efek+peledakan+seperti+fly+rock+dan+vibrasi+yang+berdampak+pada+lingkungan+dengan+menghasilkan+rancangan+geometri+yaitu+burden+dan+stemming+sebesar+2%2C68+m%2C+spasi+3%2C34+m%2C+subdrilling+0%2C91+m%2C+tinggi+jenjang+10%2C66+m+serta+panjang+kolom+isian+9%2C28+m.+Rancangan+geometri+tersebut+menggunakan+bahan+peledak+sebanyak+46%2C19+kg+perlubang+ledak+dan+menghasilkan+volume+produksi+peledakan+sebanyak+243%2C34+Ton+dengan+hasil+fragmentasi+sebesar+20%2C17+cm.%0D%0A%0D%0AKata+Kunci+%3A+Geometri%2C+Peledakan%2C+Fragmentasi%0D%0A+%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0A%0D%0AMining+of+andesite+stone+at+PT+Pro+Intertech+Indonesia+is+carried+out+by+drilling+and+blasting+activities+using+explosives+in+the+form+of+Ammonium+Nitrate+and+Fuel+Oil+(ANFO).+From+observations+in+July+2022%2C+during+blasting+activities+the+distribution+of+explosives+used+was+too+much+so+that+there+was+blasting+fragmentation+material+of+%C2%B1+16+cm+with+the+company's+fragmentation+target+of+%3C+50+cm.+In+calculating+the+use+of+explosives+based+on+blasting+geometry%2C+there+are+several+methods+using+The+Modern+Technique+of+Rock+Blasting+theory%2C+ICI-+Explosive+theory+and+linear+functions+based+on+correlation+graphs.+The+actual+blasting+geometry+found+in+the+field+has+a+short+burden%2C+spacing+and+stemming+size+as+well+as+a+long+ladder+height+and+fill+column+length+resulting+in+the+use+of+46.98+kg+of+explosives+with+a+fragmentation+result+of+%C2%B1+16+cm.+Based+on+the+geometry+design+carried+out%2C+the+use+of+explosives+will+be+reduced+by+using+the+ICI-Explosive+theory%2C+but+the+geometry+design+that+the+author+suggests+is+to+use+The+Modern+Technique+of+Rock+Blasting+theory+because+the+smaller+powder+factor+can+minimize+the+effects+of+blasting+such+as+fly+rock+and+vibrations+that+have+an+impact+on+the+environment+by+producing+a+geometry+design+that+is+2.68+m+of+burden+and+stemming%2C+3.34+m+of+space%2C+0.91+m+of+subdrilling%2C+10.66+m+of+tier+height+and+9.28+m+of+fill+column+length.+The+design+geometry+uses+46.19+kg+of+explosives+per+blast+hole+and+produces+a+blasting+production+volume+of+243.34+tons+with+a+fragmentation+result+of+20.17+cm.%0D%0A%0D%0AKeywords%3A+Blasting%2C+Geometry%2C+Fragmentation&rft.publisher=ITNY&rft.type=Other&rft.type=NonPeerReviewed&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F1%2F1.%2520COVER.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F2%2F2.%2520BAB%2520I.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F3%2F3.%2520BAB%2520II.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F10%2F4.%2520BAB%2520III.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F5%2F5.%2520BAB%2520IV.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F6%2F6.%2520BAB%2520V.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F7%2F7.%2520BAB%2520VI.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F8%2F8.%2520DAFTAR%2520PUSTAKA.pdf&rft.format=text&rft.language=id&rft.identifier=https%3A%2F%2Frepository.itny.ac.id%2Fid%2Feprint%2F4227%2F9%2F9.%2520LAMPIRAN.pdf&rft.identifier=++Sartika%2C+sartika+++STUDI+PENGARUH+GEOMETRI+PELEDAKAN+TERHADAP+PENGGUNAAN+BAHAN+PELEDAK+PADA+PT.+PRO+INTERTECH+INDONESIA+KOTA+SORONG+PROVINSI+PAPUA+BARAT+DAYA.++ITNY%2C+Yogyakarta.++++(Unpublished)++