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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Pengabdian UntukMu NegeRI
Riady, Azhar
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Religion Computer Science & IT Economics, Econometrics & Finance Education Engineering Law, Crime, Criminology & Criminal Justice Social Sciences

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Analisis Perilaku Pondasi Tiang Helical Pada Tanah Gambut Menggunakan Metode Finite Element Riady, Azhar; Yusa, Muhammad; Fatnanta, Ferry
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

The study related to the determination bearing capacity of helical pile in peat soil has been conducted previously. This study is costly and requires an extra effort, thus it is necessary to find another approach to determine bearing capacity of helical pile. In this study helical pile was modelled using finite element method of Optum G2 application program which aimed to estimate bearing capacity. The program is easily accessible, relatively simple to use and provide a wide variety of examples related geotechnical engineering problem. Peat soil was modelled based on Mohr coulomb criteria and the helical pile is classified as LL helical pile which modelled in this study. Determination of bearing capacity of helical pile was done by comparing the settlement between the results of the field finding and the computation using Optum G2. The settlement in this study consist of the two types of settlements, loading and unloading. The results from modelling indicated that settlement in loading test are similar to those on the field tests. However, for unloading test there is a difference between field test and modelling. This suggest that the model of Mohr coulomb criteria is inapplicable for the peat soil. Keywords : Helical Pile, Peat Soil, Finite element method, Soil nailing, Optum G2
Pendugaan Potensi Air Tanah Menggunakan Instrumen Aidu Golden Rod (Implementasi di Pesantren Alfahmu Kecamatan Tambang, Kabupaten Kampar, Provinsi Riau): Implementasi di Pesantren Alfahmu Kecamatan Tambang, Kabupaten Kampar, Provinsi Riau Riady, Azhar; Ikhlas, Hari Firman; Yusa, Muhammad; Suprayogi, Imam; Sandhyavitri, Ari
Jurnal Pengabdian UntukMu NegeRI Vol. 10 No. 2 (2026): Pengabdian Untuk Mu negeRI
Publisher : LPPM UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jpumri.v10i2.11642

Abstract

Pesantren Alfahmu, located in Tambang District, Kampar Regency, Riau Province, faces significant challenges in securing a reliable clean water supply for its students and daily operations. This community service activity aimed to assess groundwater potential at three strategic locations within the pesantren premises using the AIDU Golden Rod (AGR) geophysical instrument. The survey was conducted along four measurement lines across three points: the mosque/musholla area, the dormitory and classroom area, and the drinking water depot and ablution area. Data were processed and interpreted using AIDU Prospecting software with multiple configurations (Configuration-0, Configuration-1, and Configuration-2). Results indicate that all surveyed areas have viable aquifer potential. Confined aquifers were consistently identified at depths of 165–300 meters at all three points, offering more stable and sustained water supply compared to shallow free aquifers (0–50 m depth) which are highly influenced by rainfall. Recommended drilling depths range from 165–275 meters with screening pipes installed at appropriate depths. The mosque/musholla area is recommended as the primary centralized drilling location due to its strategic central position. Pre-test and post-test questionnaire results showed a significant increase in participants’ understanding from 8% to 75%.
Co-Authors Ari Sandhyavitri Ferry Fatnanta Ikhlas, Hari Firman Imam Suprayogi Yusa, Muhammad