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All Journal Dialektika Bulletin of Scientific Contribution : Geology El-HARAKAH : Jurnal Budaya Islam IJOG : Indonesian Journal on Geoscience Jurnal Ilmu-Ilmu Pertanian Indonesia Jurnal RISET Geologi dan Pertambangan Journal of Degraded and Mining Lands Management Biology, Medicine, & Natural Product Chemistry JPG (Jurnal Pendidikan Geografi) Jurnal Penelitian Karet Journal of Geoscience, Engineering, Environment, and Technology Jurnal Penelitian Sains Inklusi Journal of Disability Studies Jurnal Penelitian Pendidikan IPA (JPPIPA) IJoLE: International Journal of Language Education Syntax Literate: Jurnal Ilmiah Indonesia Diglosia: Jurnal Kajian Bahasa, Sastra, dan Pengajarannya Jurnal Mineral, Energi dan Lingkungan Jurnal Geosains dan Teknologi Jambura Geoscience Review JTP - Jurnal Teknologi Pendidikan Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan Magistra Andalusia : Jurnal Ilmu Sastra Jurnal Sastra Indonesia KOLOKIUM: Jurnal Pendidikan Luar Sekolah Jurnal Pena Indonesia Jurnal Mineral, Energi dan Lingkungan Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Indonesian Journal on Geoscience Jurnal Geosains dan Remote Sensing (JGRS) Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Indonesian Journal on Geoscience Jurnal Cahaya Mandalika Journal of Earth and Marine Technology (JEMT) Journal of English Language and Education Bahterasia : Jurnal Ilmiah Pendidikan Bahasa dan Sastra Indonesia Journal of Language Education, Linguistics, and Culture MINERAL Journal of Geoscience Engineering and Energy (JOGEE) JURNAL TEKNIK GEOLOGI : Jurnal Ilmu Pengetahuan dan Teknologi JAGE Innovative: Journal Of Social Science Research GMPI Conference Series Ranah Research : Journal of Multidisciplinary Research and Development International Proceedings of Nusantara Raya Indonesian Journal of Environment and Disaster OPHIOLITE : Jurnal Geologi Terapan Calvaria Medical Journal Bulletin of Geology Geo-Image Journal Prosiding Seminar Nasional COSMIC Kedokteran ANUFA Jurnal bahasa, sastra, seni, dan pengajarannya
Budhi Setiawan
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Aplikasi statistika dalam menentukan nilai karakteristik tanah: sebuah studi pustaka Setiawan, Budhi
Indonesian Journal on Geoscience Vol 3, No 2 (2008)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.557 KB) | DOI: 10.17014/ijog.v3i2.50

Abstract

http://dx.doi.org/10.17014/ijog.vol3no2.20083In this paper, determination of characteristic value of soil properties based on a statistical method is explained. The value in the limit state design is not the point value as measured by a laboratory or field test. Two confusing concepts in statistical soil mechanics are: the modeling of variability by a random field model and the distinction between the population mean and sample mean. Intrinsically, these two concepts are related to each others. The paper demonstrates that the most confusing thing what is being dilemmas in determining soil characteristic value may be removed by considering a statistical method.  
Aplikasi statistika dalam menentukan nilai karakteristik tanah: sebuah studi pustaka Setiawan, Budhi
Indonesian Journal on Geoscience Vol 3, No 2 (2008)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.557 KB) | DOI: 10.17014/ijog.3.2.89-93

Abstract

http://dx.doi.org/10.17014/ijog.vol3no2.20083In this paper, determination of characteristic value of soil properties based on a statistical method is explained. The value in the limit state design is not the point value as measured by a laboratory or field test. Two confusing concepts in statistical soil mechanics are: the modeling of variability by a random field model and the distinction between the population mean and sample mean. Intrinsically, these two concepts are related to each others. The paper demonstrates that the most confusing thing what is being dilemmas in determining soil characteristic value may be removed by considering a statistical method.  
Aplikasi statistika dalam menentukan nilai karakteristik tanah: sebuah studi pustaka Setiawan, Budhi
Indonesian Journal on Geoscience Vol 3, No 2 (2008)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.3.2.89-93

Abstract

http://dx.doi.org/10.17014/ijog.vol3no2.20083In this paper, determination of characteristic value of soil properties based on a statistical method is explained. The value in the limit state design is not the point value as measured by a laboratory or field test. Two confusing concepts in statistical soil mechanics are: the modeling of variability by a random field model and the distinction between the population mean and sample mean. Intrinsically, these two concepts are related to each others. The paper demonstrates that the most confusing thing what is being dilemmas in determining soil characteristic value may be removed by considering a statistical method.  
AIR TANAH UNTUK ADAPTASI PERUBAHAN IKLIM DI MALANG, JAWA TIMUR: Penilaian Risiko Penurunan Ketersediaan Air Munib Ikhwatun Iman; Edi Riawan; Budhi Setiawan; Oman Abdurahman
JURNAL RISET GEOLOGI DAN PERTAMBANGAN Vol 27, No 1 (2017)
Publisher : Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2720.251 KB) | DOI: 10.14203/risetgeotam2017.v27.438

Abstract

Risk of water shortage related to climate change in Malang Regency has been conducted by climate projection model until 2030 based on baseline data in 1960-1990 as a normal condition. The projection as a trigger for an early warning of the water shortage hazard has shown trend of temperature increase and change of precipitation.To measure the vulnerability can be simplified based on three dominant factors which were water source for availability, water demand, and population welfare. The vulnerability has spread in the west and the south region spatially that increasing from high to very high risk in 2030. Population growth and land-use change were conducted the main factor as non-climatic driven related to hazard and vulnerability of water availability. Analysis result has conducted higher risk depends on its hydrogeology. Groundwater can take a part for adaptation to climate change if it could be managed optimally.AbstrakRisiko penurunan ketersediaan air akibat perubahan iklim di Malang, Jawa Timur dikaji melalui analisis skenario proyeksi model hingga tahun 2030 terhadap basis data tahun 1960-1990 sebagai kondisi acuan normal. Hasil proyeksi iklim sebagai pemicu awal bahaya perubahan iklim menunjukkan pola kenaikan suhu dan penurunan presipitasi yang berdampak atau berisiko pada adanya potensi penurunan ketersediaan air di Malang. Untuk mengukur dan menentukan upaya pengurangan risiko tersebut dilakukan pendekaatan analisis bahaya penurunan ketersediaan air dan kerentanan terhadapnya akibat perubahan iklim. Kerentanan dimaksud di Malang secara sederhana ditentukan oleh tiga faktor yang dinilai dominan, yaitu kebutuhan air, sumber air, dan kesejahteraan masyarakatnya. Kerentanan secara spasial memperlihatkan wilayah bagian barat dan selatan Malang mengalami peningkatan nilai risiko penurunan ketersediaan air dari tinggi menjadi sangat tinggi pada tahun 2030. Pertumbuhan penduduk dan perubahan tata guna lahan merupakan faktor non-klimatik yang mempengaruhi bahaya dan kerentanan penurunan ketersediaan air. Hasil analisis memperlihatkan adanya peningkatan risiko yang lebih tinggi yang dipengaruhi kondisi hidrogeologi yang terkait potensi airtanahnya. Pengelolaan airtanah yang optimal diharapkan dapat memberikan kontribusi sebagai salah satu upaya adaptasi terhadap risiko perubahan iklim atas sumber air di Malang.
Aplikasi statistika dalam menentukan nilai karakteristik tanah: sebuah studi pustaka Budhi Setiawan
Indonesian Journal on Geoscience Vol 3, No 2 (2008)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.557 KB) | DOI: 10.17014/ijog.3.2.89-93

Abstract

http://dx.doi.org/10.17014/ijog.vol3no2.20083In this paper, determination of characteristic value of soil properties based on a statistical method is explained. The value in the limit state design is not the point value as measured by a laboratory or field test. Two confusing concepts in statistical soil mechanics are: the modeling of variability by a random field model and the distinction between the population mean and sample mean. Intrinsically, these two concepts are related to each others. The paper demonstrates that the most confusing thing what is being dilemmas in determining soil characteristic value may be removed by considering a statistical method.  
Analisis Penurunan Muka Tanah Kota Jambi Dengan Metode Differential Interferometry Synthetics Aperture Radar Tahun 2016 – 2021 Gallant Dwi Pangestu Nugroho Akbar; Budhi Setiawan
Jurnal Geosains dan Remote Sensing Vol 3 No 1 (2022): JGRS Edisi Mei
Publisher : Department of Geophysical Engineering, Faculty of Engineering, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1323.781 KB) | DOI: 10.23960/jgrs.2022.v3i1.71

Abstract

Kota Jambi merupakan kota yang berkembang pesat di Indonesia. Peningkatan penduduk disertai dengan pembangunan infrastruktur dan kebutuhan air tanah yang meningkat setiap tahunnya dapat menyebabkan subsiden. Secara geologi sebagian Kota Jambi terbentuk dari formasi geologi berumur Kuarter yang masih tergolong muda sehingga kemungkinan terjadi kompaksi yang dapat menyebabkan subsiden. Tujuan dari penelitian ini untuk melakukan pemetaan wilayah penurunan muka tanah (land subsidence) Kota Jambi dengan memanfaatkan citra Sentinel-1, metode yang digunakan dalam penelitian ini adalah DInSAR. Mempunyai ketelitian mencapai sentimeter untuk melihat besar deformasi. Data yang digunakan pada penelitian ini adalah citra satelit sentinel-1a level 1 (2016 – 2021) serta data pembangunan daerah dari BAPPEDA Kota Jambi untuk validasi di lapangan. Data tersebut diolah menggunakan software SNAP dan ArcGIS 10.6. Hasil dari pengolahan DInSAR menunjukkan daerah Kota Jambi mengalami subsiden di dominasi pada wilayah dengan tingkat penggunaan lahan yang tinggi, nilai rata-rata per tahun sebesar 11,28 cm/tahun, dan subsiden maksimum per tahun sebesar -8,6 cm pada tahun 2019 di kecamatan Jambi Selatan dan kecamatan Pasar sebesar -7,7 cm pada tahun 2021. Disarankan adanya penelitian menggunakan metode pengukuran langsung di lapangan seperti metode GPS agar hasil yang didapatkan lebih akurat.
IDENTIFIKASI KEHADIRAN STRUKTUR GEOLOGI BERDASARKAN ANALISIS MODEL GRAVITASI DAERAH KEBAN JATI DAN SEKITARNYA, BENGKULU SELATAN: IDENTIFICATION OF GEOLOGICAL STRUCTURE BASED ON GRAVITY MODEL ANALYSIS OF THE KEBAN JATI AREA, BENGKULU SELATAN Fadhellatul Kamil; Budhi Setiawan
Journal of Geoscience Engineering & Energy (JOGEE) VOLUME 3, NOMOR 2, AGUSTUS 2022
Publisher : Universitas trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3930.177 KB) | DOI: 10.25105/jogee.v3i2.13678

Abstract

Interpretasi struktur geologi dapat dilakukan dengan memanfaatkan model gravitasi bumi untuk menginterpretasikan kehadiran struktur geologi bawah permukaan. Model gravitasi bumi berupa model Global Gravity Model Plus (GGMPlus) dengan pengambilan daerah Keban Jati dan Sekitarnya, Bengkulu Selatan, Bengkulu. Penelitian bertujuan dalam upaya identifikasi struktur geologi bawah permukaan dan memahami keterkaitan terhadap data struktur lapangan. Daerah Keban Jati termasuk pada Cekungan Busur Depan Bengkulu yang mengalami fase tektonik pembentukan cekungan busur depan secara kompleks dengan proses tektonik yang terjadi pada Pra Tersier – Kuarter. Metode analisis melibatkan peta geologi Daerah Keban Jati dan Sekitarnya, Peta Shuttle Radar Topography Mission (SRTM), dan data gravitasi bumi yang dipisahkan menjadi peta anomali gravitasi lokal dan peta Tilt Derivatives (TDR). Peta tersebut dilakukan analisis kelurusan untuk mengetahui arah kelurusan dan metode grafik anomali untuk memahami karakteristik anomali gravitasi terhadap struktur di peta geologi. Berdasarkan analisis kelurusan peta SRTM, anomali gravitasi lokal, dan TDR menunjukkan dominasi arah tenggara – barat laut dan utara – selatan. Kondisi tersebut menunjukkan arah kelurusan mirip dengan arah struktur pada peta geologi. Sedangkan pada data grafik gabungan anomali gravitasi lokal dengan TDR menunjukkan karakteristik sesar, antiklin, dan sinklin. Pada kedua anomali karakteristik sesar berada di antara grafik anomali puncak dan lembah. Sedangkan lipatan berada di area dekat dengan puncak ataupun lembah grafik anomali. Dari kedua metode analisis gravimetri tersebut memiliki kecocokan terhadap keberadaan struktur lapangan. Sehingga metode tersebut dapat membantu dalam identifikasi arah struktur dan pola anomali gravitasi yang dapat diinterpretasikan keberadaannya.
ANALISIS KESTABILAN LERENG DENGAN METODE BISHOP DAN KUAT GESER BATUAN PADA DAERAH PULAU PINANG, KABUPATEN LAHAT SUMATERA SELATAN Ferdian Syahputra; Harnani Harnani; Budhi Setiawan
Jurnal Sumberdaya Bumi Berkelanjutan (SEMITAN) Vol 1, No 1 (2022)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.semitan.2022.3223

Abstract

Pada lokasi penelitian secara geografis terletak pada daerah Pulau Pinang dan sekitarnya Kabupaten Lahat, Sumatera Selatan. Tujuan dilakukannya penelitian ini yaitu untuk mengetahui daerah yang termasuk kedalam daerah yang rawan longsor dan melakukan upaya mitigasinya. Metode yang digunakan berupa metode kuat geser tanah dengan melakukan pengujian kuat geser langsung (Direct Shear Test) dan pengujian berat jenis tanah (Unit Weight). Kemudian dilanjutkan dengan metode Bishop untuk mencari nilai Faktor Keamanan (FK). Parameter yang digunakan didalam mencari nilai Faktor Keamanan (FK) yaitu kohesi (C), sudut geser dalam (ϕ), dan berat jenis tanah (Υ). Hasil penelitian didapatkan nilai faktor keamanan lokasi pengamatan pada lokasi penelitian 1 dan 2 termasuk (Kelas Labil) dikarenakan nilai faktor keamanannya 0,846 dan 0,586 , lokasi penelitan 3 termasuk (Kelas Stabil) dikarenakan nilai faktor keamanannya 2,543, lokasi penelitan 4 dan 5 termasuk (Kelas Kritis) dikarenakan nilai faktor keamanannya 1,119 dan 1,156. Upaya mitigasi yang dapat dilakukan yaitu prinsip soil nailing dengan cara memberi tanah paku – paku dengan panjang tertentu dengan jaraknya rapat.
Control Structure On Damage Zone and Fault Plane to Geometry Of Quartz Veins and Calcite In Muaradua Ogan Komering Ulu Selatan, South Sumatra, Indonesia Budhi Setiawan; Pratama Goestyananda
Journal of Geoscience, Engineering, Environment, and Technology Vol. 7 No. 4 (2022): JGEET Vol 07 No 04 : December (2022)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2022.7.4.9411

Abstract

Geological mapping was carried out on the Gilas and Malau rivers in the Muaradua area, South Ogan Komering Ulu Regency, South Sumatra by observing the presence of joints, faults, and veins in the granite and phyllite rock outcrops of the Tarap Formation. Research on pattern geometry and vein type in the crushing zone is focused on measuring the direction (trend) of veins and joints. The measurement results are then analyzed to obtain a general pattern of quartz and calcite veins so that the orientation of their development can be known. The method used in this study is in the form of determining the orientation and geometry of the veins based on classifications that refer to several studies, then an analysis is carried out using DemNAS data to determine the general direction of the straightness pattern of the study area. The quartz veins that developed in the study area have an extensional fracture type with the geometry found in the form of isolated, abutting, cutting, mutually-cutting, and crosscutting. The veins that develop in the research area are relatively north-south and west-east and indicated the presence of a fault and traces of deformation that occurred in the study area. With the help of veins and joints found in the study area, it is possible to determine the structural control of the presence of a crushing zone in the fault plane.
Identifikasi Peningkatan Strength Factor Dengan Metode Q-System Pada Terowongan Tambang Bawah Tanah Daerah Perambahan, Kota Sawahlunto, Sumatera Barat Pebby Putra Juenda; Harnani Harnani; Budhi Setiawan
MINERAL Vol 7 No 2 (2022): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v7i2.3418

Abstract

Underground mining activities (Undergound Mining) at PT Allied Indo Coal Jaya Encroachment area, Sawahlunto City has the risk of subsidence due to reduced soil carrying capacity due to excavation of underground mine openings. The excavation of underground mine openings will result in disruption of the stability of the area such as roof collapse, rib spalling, and floor heave. This research was conducted in 2 research locations, namely Tunnel 6 Seam B and Tunnel 3 Seam C which aims to determine the recommendation of a buffer system in underground mine openings (Tunnel) by analyzing the geomechanical value of rocks using the Rock Tunnelling Quality Index (Q-System) method. ) so that the Strength Factor value increases. Data collection methods were carried out by field observation and laboratory testing, while data processing used Phase 8.0 software with Mohr-Coulomb failure criteria. The results of calculations and data processing showed that the Strength Factor value in Tunnel 6 Seam B was 1,04 (relatively stable) and Tunnel 3 Seam C was 0,84 (unstable). These results indicate that Tunnel 6 Seam B and Tunnel 3 Seam C must be supported by a buffer system. After the buffering system was carried out the Strength Factor value of Tunnel 6 Seam B increased to 1,59 (stable) and Tunnel 3 Seam C increased to 1,63 (stable).
Co-Authors Abdurrahman Hanif Albaihaqi Abimanyu, Gilang Aldri Frinaldi Alfiati Alfuazri, M. Gilang Ama, Fuad Andayani Andayani Andayani Andili, Agshal Almachzumi Ani Rakhmawati Anton Wijaya Arief Setyawan Arieffiandhany, Riezal Asof, H. Marwan Atikah Anindyarini Atthoriq, Muhammad Hafidz Az Zahra, Salsabila Azzahra, Fade Risa Azzahra, Fadea Risa Bakri Bakri Cahyaningrum, Fitria Chaesar, Ari Suryawati Secio Chafit Ulya Charlos Togi Stevanus, Charlos Togi Dedi Rohendi Dyah Hastuti, Endang Wiwik Eddy Ibrahim Edi Riawan Edy Sutriyono Ernawati Fadhellatul Kamil Faradila, Nanda Argi Noer Farahdila, Silvie Felicity, Felicity Ferdian Syahputra Firstya Evi Dianastiti Fitriani, Aula Gallant Dwi Pangestu Nugroho Akbar Gurada Capah, Ade Indra Harfiandri, Muhammad Said Harnani Harnani Harnani Harnani Harnani, Harnani Hartati, Restiana Dwi Haryanti, Rini Dwi Hastuti, Nuri Puji Helen Dwi Putri Hermawan, Muhammad Alfian Hibatullah, Kevin Nabil Islam, Muhammad Izzul Ismaryanto, Ismaryanto KAMIL, FADHELLATUL Kartika Ishartadiati Karyadi, Rian Khakim, Mokhamad Yusup Nur Kundharu Saddhono Kurniawan, Deviyanto Landia, Karmila Putri Lee, Jason Lusiani Tjandra Marswati, Ceria Masfufatun Masfufatun Muhammad Rohmadi Muhammad Taufik Toha Mukhlis, Muhammad Munib Ikhwatun Iman Nardi, Rajhi Febri Nugraheni Eko Wardani Oman Abdurahman Pebby Putra Juenda Pebrianto, Rosihan Permana, Lano Adhitya Pranata, Ridho Pratama Goestyananda Pratika Yuhyi Hernanda Putri, Atika Nabila Putri, Helen Dwi Putri, Zahrah Belinda RAHARJO, BUDIONO Rahaya, Ivana Septia Raheni Suhita Rahmatullah, Arif Ramadhani, Asri Kamila Rifki Aditya, Rifki Rina Sahara Rio, Ferdinan Rizki, Kurnia Rahma Rizkie, Dania Rosihan, Pebrianto Sabaruddin Sabaruddin Safrihady, Safrihady Santoso, Nugroho Ponco Santoso, Nugroho Ponco Sari, Fatrina Aprilia Sarwiji Suwandi Setyaningsih, Arinda Oktariski Simanjuntak, Presli Panusunan Slamet Subiyantoro Sumarwati Suyeda, Fadhil D. Tri Indrayanti Utami, Sri Lestari Wahdini, Lisa Wahyu Wardana, Muhammad Aditya Wisnu Wicaksono, M Dwiki Satrio Wicaksono, M. Dwiki Satrio Wijaya, Wildan Maulana Wulandari, Atik Sri Wulandari, Zhalsa Yogie Zulkurnia Rochmana Yuliarti, Aflah Yuliningsih, Yuliningsih