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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Talenta Sipil Jurnal Inovasi Konstruksi
arisanto, Pranu
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation

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Resistivity Model of Clayshale Layers in Dry Season and Early Rainy Season Conditions Case Study of the Jragung Dam Project Sasangka, Daru Jaka; Arisanto, Pranu; Dhanardono, Bhima; Riyanto, Didit Puji; Apriyoga, Wahyu
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9576

Abstract

The use of geoelectricity as subsurface data acquisition will be very helpful if used to perform correlations on rock formations. The aim of this research is to look at the pattern of subsurface resistivity values ​​compared to the condition of rock layers or outcrops in the field. The geoelectric survey used the dipole dipole method with the Multichannel Resistivity MAE X 612 EM+ instrument. The case study was carried out at one of the excavation locations at Jragung Dam with sandstone and clay stone lithology with varying thicknesses. Conditions in the field are that the clay stone layer is starting to experience greater deformation compared to the sandstone layer. Worse deformation in claystone in the field is caused by durability values ​​which are generally worse than sandstone and the greater water content in claystone even though its compressive strength is relatively greater. In the dry season, sandstone (Reference point 1) at a depth of 5m has a resistivity of >86 ohm.m, while claystone has 12 - 15 ohm.m. At the beginning of the rainy season sandstone 37 – 50 ohm.m, clay stone (reference point 1) resistivity 8-11 ohm.m. The resistivity of claystone does not change significantly with changes in conditions. Because the porosity and permeability of sandstone can change significantly under changing
Nilai Resistivitas dan Durabilitas Batu Lempung dan Batu Pasir pada Proyek Pembangunan Bendungan Jragung Arisanto, Pranu; Sasangka, Daru Jaka; Patiroi, Andi; Riyanto, Didit Puji; Prasetyo, Wahyu; Dinggatanta, Dinggatanta
Jurnal Talenta Sipil Vol 8, No 1 (2025): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v8i1.839

Abstract

Each type of rock has different resistivity values as well as durability. Continuous geoelectrical data is highly beneficial for estimating the distribution of rocks based on their resistivity values. The purpose of this study is to observe the resistivity patterns of each rock unit, both subsurface and exposed in the field, where each rock unit has specific durability values. The geoelectrical survey was conducted using the Dipole-Dipole and Wenner-Schlumberger methods with the Multichannel Resistivity MAE X 612 EM+ instrument. A case study was carried out at one of the excavation sites at Jragung Dam, with lithology consisting of sandstone and claystone of varying thicknesses. Claystone was identified as a weaker rock with lower durability compared to sandstone. The durability of claystone ranges from 18% to 60%, while the durability of sandstone exceeds 80%. Based on geoelectrical measurements using the Dipole-Dipole and Wenner-Schlumberger methods, as well as data processing with ERT LAB and Res2DINV software, sandstone generally has a resistivity of more than 18 Ohm.m, while claystone has a resistivity of 0–18 Ohm.m. It was observed that the resistivity values of claystone and sandstone are proportional to the durability of the rocks. The better the rock durability, the higher the resistivity value.
Pengembangan Awal Alat Pemanen Alga Sistem Rotating Filtered-Drum Untuk Perbaikan Kualitas Air di Perairan Tergenang Bahri, Syamsul; Arisanto, Pranu; Suhardi, Suhardi; Herwindo, Wildan
Jurnal Inovasi Konstruksi Vol 2, No 2 (2023): October
Publisher : Politeknik Pekerjaan Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56911/jik.v2i2.76

Abstract

The phenomenon of overgrowth of green algae and cyanobacteria indicates a serious aquatic environmental problem from eutrophication. In aquatic ecosystems, algae are an integral part of the ecological system. But when there is abundant algae growth in the waters it causes the phenomenon of harmful alga blooms. Algae that were previously invisible, due to clumping, this group becomes invisible to the eye. The follow-up impact of the algae blooms is fish death, due to lack of oxygen at night. Algal masses that are swept by the wind onto the shores of bays and reservoir shores cause buildup and decay. Among the efforts that can be made in dealing with the phenomenon of abundant algae in waters is harvesting. In this study, the technique of harvesting by filtration and centrifugal rotation in a drum was applied. The purpose of this study was to design and build a filtration system algae harvester with a Rotating Filtered-Drum type. The results of preliminary research on filtration of water contaminated with algae from the facultative pond of the Bojongsoang-Bandung WWTP by gravity showed that the T 165 filter was able to reduce TSS levels as an indicator of algae by 72.85%. The Rotating Filtered-Drum tool requires further research for operational trials using pool water contaminated with algae. Keywords: algal blooming, lentic waters, euthrophic, green algae, cyanobacteria.
IMPLEMENTASI BIM BANGUNAN PELIMPAH TIPE OGEE DAN TUTS PIANO UNTUK PEMODELAN ALIRAN BANJIR PADA PROYEK PEMBANGUNAN PENGENDALIAN BANJIR DAS SANGGAI Ardianza, Eko; Yahya, Luqman Anas; Arisanto, Pranu; Riyanto, Didit Puji
Jurnal Inovasi Konstruksi Vol 4, No 2 (2025): October
Publisher : Politeknik Pekerjaan Umum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56911/jik.v4i2.157

Abstract

Seiring dengan perkembangan zaman dan kemajuan teknologi, perhitungan dan analisa teknis dalam pekerjaan bangunan air jauh lebih mudah dengan adanya Building Information Modelling (BIM). Salah satu penerapan BIM dilakukan pada Bangunan Pelimpah Kolam Retensi Trunen-01, yang bertujuan selain sebagai contoh penerapan BIM pada pekerjaan bangunan air, juga untuk menganalisa dan memodelkan aliran banjir. Penelitian ini dilakukan dengan Pemodelan Dimensi BIM 3D berupa model 3D Bangunan Pelimpah menggunakan perangkat lunak Civil 3D, dan Pemodelan Dimensi BIM 6D Aliran Banjir menggunakan HEC-RAS 2D. Dengan debit banjir Q100 sebesar 93,1 m3/detik, pada pemodelan Bangunan Pelimpah tipe Ogee didapatkan tampungan total waduk sebesar 420,000 m3, serta mampu mereduksi banjir Sungai Trunen sebesar 46,6%, pada Bangunan Pelimpah tipe Tuts Piano didapatkan tampungan total waduk sebesar 527.300 m3, serta mampu mereduksi banjir Sungai Trunen sebesar 20,5%. Pada simulasi aliran banjir pada masing-masing tipe Bangunan Pelimpah juga diketahui Perubahan kecepatan aliran yang paling besar terjadi saat aliran melewati Bangunan Pelimpah dengan kecepatan maksimum sebesar ± 5 m/detik.
Co-Authors Apriyoga, Wahyu Ardianza, Eko Dhanardono, Bhima Dinggatanta, Dinggatanta Herwindo, Wildan Patiroi, Andi Riyanto, Didit Puji Sasangka, Daru Jaka Suhardi Suhardi Syamsul Bahri Wahyu Prasetyo Yahya, Luqman Anas