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Mei Sulistyoningsih
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JITEK (Jurnal Ilmiah Teknosains)
Published by Universitas PGRI Semarang
ISSN : 24609986     EISSN : 24769436     DOI : https://doi.org/10.26877/jitek
Core Subject : Health, Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Mechanical Engineering Veterinary
JITek: Jurnal Ilmiah Teknosains 2476-9436 (media online) & 2460-9986 (media cetak) published scientific papers on the results of applied and natural science research covering the fields of science including engineering (civil, chemistry, architecture, electrical, mechanical, enviromental), food technology, agriculture, physics, biology, mathematics, chemistry and technical information. The manuscript must be original research, written in Bahasa Indonesia or English, and not be simultaneously submitted to another journal or conference. Manuscripts will be reviewed by an expert editor and managing editor. The journal has been indexed in Google Scholar, Dimensions and Crossref.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 212 Documents
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PERANCANGAN STRUKTUR TAHAN GEMPA (SEISMIK) GEDUNG ESDM Hariyanto, Hariyanto; Azizah, Nur Dita
(JITEK)Jurnal Ilmiah Teknosains Vol 10, No 1/Mei (2024): Jitek
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jitek.v10i1/Mei.19018

Abstract

Buildings are facilities that need to be fulfilled in an educational institution. The Ronggolawe Cepu Education Foundation has plans to build a workshop building located in Karangboyo Village, Cepu District. The construction of this building requires a good planning process so that the building being built can stand well. The structure is a building element that must be planned well because it functions to support the load of the building. In general, building structures are made of concrete and steel. This paper will discuss the structural planning of the Workshop building using concrete and steel materials.
Identifikasi Struktur Sedimen di Danau Limboto Menggunakan Metode Geomagnetik suhana, kurniawan
(JITEK)Jurnal Ilmiah Teknosains Vol 11, No 2/Nov (2025): Jitek
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/jitek.v11i2/Nov.24039

Abstract

Penelitian ini bertujuan mengidentifikasi struktur sedimen di Danau Limboto menggunakan metode geomagnetik. Metode ini dipilih karena bersifat non-invasif dan efisien dalam mendeteksi variasi bawah permukaan berdasarkan sifat kemagnetan batuan. Survei geomagnetik dilakukan menggunakan Proton Precision Magnetometer (PPM) tipe GSM-19T dengan sistem base-rover, yang mampu merekam variasi medan magnet total. Data yang diperoleh dianalisis melalui koreksi harian, koreksi IGRF, reduksi ke kutub, pemisahan anomali, dan pemodelan 2D dengan perangkat lunak Oasis Montaj. Hasil dari pengolahan data magnetik digunakan untuk merekonstruksi distribusi suseptibilitas magnetik yang berkaitan erat dengan ketebalan dan struktur sedimen di wilayah penelitian. Metode ini memberikan pendekatan geofisika yang praktis dan ramah lingkungan untuk studi sedimen di danau, serta dapat digunakan sebagai acuan untuk revitalisasi danau ke depan. Kata kunci: Danau Limboto, geomagnetik, metode base-rover, sedimen, suseptibilitas AbstractThis study aims to identify sediment structures in Lake Limboto using the geomagnetic method. This method was chosen due to its non-invasive nature and efficiency in detecting subsurface variations based on the magnetic properties of rocks. The geomagnetic survey was conducted using a Proton Precision Magnetometer (PPM) GSM-19T with a base-rover system capable of recording total magnetic field variations. The collected data were analyzed through diurnal correction, IGRF correction, reduction to the pole, anomaly separation, and 2D modeling using Oasis Montaj software. The results from the magnetic data processing were used to reconstruct magnetic susceptibility distributions closely related to sediment thickness and structure. This method offers a practical and environmentally friendly geophysical approach for sediment studies in lakes and can be used as a reference for future lake revitalization.Keywords: base-rover method, geomagnetic, Lake Limboto, magnetic susceptibility, sediment

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