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All Journal Jurnal Fisika FLUX Jurnal Teori dan Aplikasi Fisika

Fahruddin Fahruddin

Program Studi Fisika Fakultas MIPA Universitas Lambung Mangkurat

Author-ID : 2523111

Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics

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Identifikasi Lapisan Akuifer Tertekan Dengan Metode Geolistrik di Desa Lok Rawa Kecamatan Mandastana Kabupaten Barito Kuala Kalimantan Selatan Samsul Anwar; Sri Cahyo Wahyono; Fahruddin Fahruddin
Jurnal Teori dan Aplikasi Fisika Vol 8, No 2 (2020): Jurnal Teori dan Aplikasi Fisika
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v8i2.2447

One way to be able to identify rocks below the surface, depth, including groundwater aquifer layers is to do geophysical measurements using the schlumberger geoelectric method. This study aims to determine thickness and depth of aquifers in Lok Rawa Village, Mandastana District, Barito Kuala Regency. The results of the schlumberger configuration geoelectric study showed rock layers in Lok Rawa Village at the measurement points GL1, GL2 and GL3 consisting of weathered, sand, and fine clay (silt) layers. Lapiasan aquifers in Lok Rawa Village at the measurement points GL1, GL2 and GL3 consisting of free aquifer layers are estimated to occur at a depth of 3─5 m with a resistivity value of 7─15 Ωm. Depressed aquifer layer is estimated to be at a depth of 25─75 m and ≥ 110 m with resistivity values of 7─15 Ωm. Of the 2 types of aquifer layers, the most confined aquifer layer has the potential to contain ground water.

Analisa Lapisan Keras (Bedrock) dengan Menggunakan Metode Seismik Refraksi Binar Utami; Fahruddin Fahruddin; Simon Sadok Siregar
Jurnal Fisika FLUX Vol 6, No 2 (2009): Jurnal Fisika Flux Edisi Agustus 2009
Publisher : Lambung Mangkurat University Press

Each region generally has a condition of various land surface, usuallyused as information for making a geological map of the regions, but theinformation can not provide a real illustration of the depth of the hard layer(bedrock) found in the area. Thus, to determine the depth of the bedrock as theinitial information exploited for the region of Banjarbaru more, then done bymeasuring the depth of the bedrock by seismic refraction. Soil has severalcompiler layers, the deeper layer from surface is denser and each layer hasdefferent characteristics. The nature used in this research is the difference of thespeed to creep the seismic waves on each layer. By creeping the seismic waves,the information of undercoat surface is obtained depend on the speed increeping seismic waves. To find out the speed and types of layers under the soiland to know the depth of the bedrock in the region are done by using seismicequipment refraction, by initial assumption that bedrock usually is found in therelatively shallow depth in the region of Banjarbaru. From the results of the datasampling done by measuring the length of the track 72 meters and thenprocessed by using the software winsism 10 bedrock was found on the yard ofengeniring faculty Unlam Banjarbaru in depth around 6-15 meters, in the speedof spreading waves in the range of 2800-3200 (m/s) and there is nappe layer(top soil) of the seismic waves creeping velocity 300-400 (m/s) and a much watercontent-thinner layer spreading speed of seismic wave in the range of 1400-1600(m/s).

Penentuan Volume Batubara Menggunakan Metode Cross Section di PT. Astri Mining Resources Cabang Batu Ampar Kalimantan Selatan Megawati Megawati; Sri Cahyo Wahyono; Fahruddin Fahruddin
Jurnal Fisika FLUX Vol 14, No 2 (2017): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Coal is a combustible sedimentary rock formed from organic deposits of plant residues and carbon, hydrogen and oxygen elements. Modeling of 3D coal distribution and coal volume calculation plays an important role in the exploration because the result of coal volume calculation can be used as consideration for mining. This research uses 6 drill point and calculation of coal volume using cross section method with the help of image processing software that is rockwork16. The result of interpretation of drill point data in the research area were 5 types of rock layers with each rock volume is claystone (25.840.000 m3), claysand (230.00 m3), Coal (5.930.000 m3), carbonaceus clay and soil.

Penggunaan Metoda Difraksi Sinar X dalam Menganalisa Kandungan Mineral Pada Batuan Ultra Basa Kalimantan Selatan Sudarningsih Sudarningsih; Fahruddin Fahruddin
Jurnal Fisika FLUX Vol 5, No 2 (2008): Jurnal Fisika Flux Edisi Agustus 2008
Publisher : Lambung Mangkurat University Press

Identifikasi Diskontinuitas Seismik Mantel di Barat Laut Pulau Sumatera Menggunakan Data Prekursor SS Fahruddin Fahruddin; Apriadi Apriadi; Ibrahim Sota; Sadang Husain
Jurnal Fisika FLUX Vol 17, No 2 (2020): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

410km and 660km discontinuities are very clear and very easily identified discontinuities other than the Moho layer. This research utilizes SS precursor data, bouncepoints in the northern part of Sumatra. The data used is the depth of the epicenter <70 km, earthquake magnitude 5.5 and the distance between the epicenter and earthquake recording station more than 1000. This study is a preliminary study to determine changes in the depth of discontinuity in the study area. The SS phase is very well observed in the transversal component seismogram which is the result of the rotation of two horizontal components NS and EW, to obtain a good seismogram a 0.03Hz low pass filter is performed. In this study used 38 data transversal component seismograms, from 76 horizontal component seismograms. The most important thing in this study is the determination of the SS phase used as a reference (point 0), the SS phase is determined using the AK135 table guide, then the SS precursors are determined which can be seen at 450 seconds, 300 seconds, 90 seconds and 50 seconds before the SS . SS prekursors that are very clear at 450 seconds, are strongly suspected as a 660 km discontinuity. SS prekursors can be seen clearly after the stacking process.

Co-Authors Apriadi Apriadi Binar Utami Husain, Sadang Ibrahim Sota Megawati Megawati Samsul Anwar Simon Sadok Siregar, Simon Sadok Sri Cahyo Wahyono Sudarningsih Sudarningsih

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