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All Journal Jurnal Matematika Sains dan Teknologi PROMINE G-Tech : Jurnal Teknologi Terapan Action Research Literate (ARL) Indonesian Community Journal Jurnal Sosial dan Sains Innovative: Journal Of Social Science Research Jurnal Teknik Pertambangan (JTP) Diteksi : Jurnal Pengabdian Kepada Masyarakat
Fidayanti, Neny
Universitas Palangkaraya
Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences Other

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Efektifitas Pelaksanaan Program Kampus Mengajar Mandiri sebagai Usaha Peningkatan Pembelajaran Peserta Didik di SMKN 5 Palangka Raya Kecamatan Sabangau Fidayanti, Neny; Virgiyanti, Lisa; Sukmawatie, Neny; Sirat, Junisen Rolexlin; Anisa , Anisa
I-Com: Indonesian Community Journal Vol 6 No 1 (2026): I-Com: Indonesian Community Journal (Maret 2026)
Publisher : Fakultas Sains Dan Teknologi, Universitas Raden Rahmat Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/i-com.v6i1.9353

Abstract

Program Kampus Mengajar Mandiri merupakan bagian dari kebijakan Merdeka Belajar Kampus Merdeka (MBKM) yang bertujuan untuk meningkatkan kompetensi mahasiswa sekaligus membantu sekolah dalam mengatasi permasalahan pembelajaran, khususnya di era digital. Kegiatan ini dilaksanakan di SMKN 5 Palangka Raya dengan fokus pada peningkatan literasi, numerasi, adaptasi teknologi dan administrasi sekolah. Metode pelaksanaan meliputi observasi, pendampingan pembelajaran, serta evaluasi berbasis kuisioner. Hasil kegiatan menunjukkan bahwa program ini efektif dalam meningkatkan keterampilan siswa, dengan tingkat kepuasan mencapai 85%. Program juga berdampak positif pada pengembangan keterampilan siswa seperti komunikasi, kepemimpinan dan kemampuan kolaborasi. Disimpulkan bahwa program Kampus Mengajar Mandiri efektif sebagai upaya peningkatan kualitas pembelajaran di sekolah vokasi.
Impact of Crush Zone on PPV in Claystone and Limestone Blasting with a Quantitative Approach Noveriady, Noveriady; Grunadi, Devin Tesario; Fidayanti, Neny
G-Tech: Jurnal Teknologi Terapan Vol 10 No 2 (2026): G-Tech, Vol. 10 No. 2 April 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i2.9200

Abstract

Blasting in open pit mines aims not only to achieve optimal rock fragmentation but also to control the impact of generated ground vibration. This study aims to analyze the influence of the crush zone on Peak Particle Velocity (PPV) in blasting activities involving claystone and limestone layers. Field data were collected from 25 blasting operations with varied parameters: number of blast holes 25–160, explosive charge per hole 50–111 kg, and measurement distance 504–537 m. The recorded actual PPV ranged from 1.221 to 3.404 mm/s. Statistical analysis was performed using power regression to model the relationship between Scaled Distance and PPV. The results show a strong inverse relationship between Scaled Distance and PPV, where higher blasting energy concentration forms a more intensive crush zone as the initial source of vibration. Blasting in limestone yields relatively higher PPV compared to claystone under similar Scaled Distance conditions, due to the elastic and more brittle properties of limestone. The model's prediction accuracy reached 91.5% on average. Practically, to maintain PPV at a safe level (<3.404 mm/s), it is recommended to keep the Scaled Distance ≥ 48.82 m/kg⁰·⁵ and limit the explosive charge per hole to the range of 50–90 kg, especially in limestone. This study confirms the key role of the crush zone and rock lithology in blasting vibration mechanisms, providing a basis for optimizing safe and sustainable blasting designs.
Co-Authors A. K. Wijaya, Dody Afdhal Hafid Ahmad MAULANA Al Fiah. B, Dwi Ayu Albertus Niko Liswanto Angelina Butarbutar, Fani anisa , anisa APRILIA, REZA Ariyantho, Dody Asri Fridtriyanda BR Bagariang, Marsella Deddy Tanggara Desti Arini Putri Eko Prastyo, Andreashah Eldy Marcelino Agusto Soekah Fahrul Indrajaya FEBRI INDRIANTO Ferdinandus Ferdinandus, Ferdinandus Ferra Murati Frich Rudolf Turnip Grace Yulita Grunadi, Devin Tesario Hendra Wiryanto, Yustinus Hendrik Brianto Himalia Himalia I Putu Putrawiyanta Indrajaya, Fahrul Inso, Yos David Irga Loti Rante Luwyk Djanas Usup, Hepryandi Mahara, Deo Malau, Andri Antonius Maria Patricia Dolita Doni Marlen Fince T. L. Martua Risa Munthe Martua Samosir, Charles Melinda, Sena Mellysa Caldera Merce Masriani Zalukhu Michael Kentaro Lendrawan Nababan, Immanuel Novalisae Noveriady Nuansa Mare Apui Ganang Pujihastuty Pujihastuty Rasidi, Muhammad Untung Saptarwatono Saptawartono, Saptawartono Saputra, Rafiq Aldi Septiani, Agrista Sinaga, Elme Romayani Sirat, Junisen Rolexlin Situngkir, Jhoni Priadi Sukmawatie, Neny Taruna, Yulian Usup, Hepryandi Luwyk Djanas Virgiyanti, Lisa Wiryanto, Yustinus.H. Yakub Reba, Isai Yossa Yonathan Hutajulu Yunida Iashania Yunitae Kristianie Yusias Andri