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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Riset Sains dan Teknologi Kelautan
Caronge, Muhammad Akbar
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Public Health

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SURVEY KAPASITAS TEKNIS STRUKTUR DERMAGA PELABUHAN LAMPIA Paotonan, Chairul; Caronge, Muhammad Akbar; Azwar, Ahmad
Riset Sains dan Teknologi Kelautan Volume 2, Nomor 1, Tahun 2019
Publisher : Departemen Teknik Kelautan Fakultas Teknik Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62012/sensistek.v2i1.13307

Abstract

Lampia Port is planned to be used by PT Sinergi Perkebunan Nusantara to ship its CPO (Crude Palm Oil). Before the plan is realized, it is necessary to conduct a study to determine the technical capacity of the pier structure. Therefore, in this study, a survey of the technical capacity of the pier was conducted to identify the condition of the existing pier structure. The survey includes measurements of the layout and dimensions of the pier structure, hummer test and carbonation test as well as visual observations. Based on the results of measuring the layout and dimensions of the pier, it was found that the shape of the pier is T-type consisting of a trestle with a length and width of 42.5 m and 6.0 m respectively and a pier with a length and width of 80.0 m and 10.0 m respectively. The number of piles for the trestle is 22 piles while for the pier is 64 piles. The pile diameter for trestle and pier is 508.3 mm. The hammer test results show that the concrete compressive strength of the pier structure ranges from K300-K400 which still meets the concrete requirements for the marine environment of K300. The carbonation test results show that the carbonation value is greater than 2.0 cm, so it is necessary to repair the concrete surface at least as deep as the carbonated area or as thick as the reinforcement concrete blanket. Visual observations show that the pier structure has not shifted but the beam and pile cap structures have experienced corrosion and carbonation.
Bimbingan Teknis dan Pendalaman Materi Berbasis Coaching Clinic dalam Penyusunan RAB Sesuai PERMEN Bidang Bina Marga, Cipta Karya, dan Sumber Daya Air Se-Kabupaten Maros Nur, Sitti Hijraini; Pongmada, Silman; Caronge, Muhammad Akbar; K, Riswal; Abdurrahman, Muh. Asad; Amiruddin, A. Arwin; Adisasmita, Sakti Adji; Umar, Hasdinar; Ishak, Rahmi Amin
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 6 No 2 (2023): Let us Collaborate for Community Issues
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v6i2.446

Abstract

The National Community Empowerment Program's village and sub-district officials who oversee development financing must execute Technical Guidance in the context of creating a Draft Cost Budget for the construction of Highways, Civil Works, and Water Resources. To help the Construction Development Institute teach and provide technical advised to all village fund managers so they can stay on task and prevent the misuse of state financial management, academics are needed. The purpose of this activity is to provide understanding to village and sub-district officials so that they prioritize planning activities, budget calculations, material needs to implementation in accordance with quality standards and good accountability. All officials throughout Maros Regency are invited to attend or send their envoys as Technical Guidance participants. Subsequently, a coaching clinic method was implemented, wherein the Construction Cost Estimate (RAB) was prepared in an intense manner to maximize training outcomes right away. This method allows us to directly examine participants' comprehension of AHSP and RAB compilation, as well as directly rectify the way participants begin calculating. From the post-test results, data on the understanding of village staff on AHSP has reached 73% and understanding in preparing the RAB has exceeded 60%. Keywords: Technical Guidance, National Community Empowerment Program's, AHSP, RAB compilation, coaching clinic.
Ketahanan Korosi Baja Tulangan dalam Beton menggunakan Palm Oil Fuel Ash (POFA) dan Air Laut Dasar, Amry; Patah, Dahlia; Sainuddin, Sainuddin; Caronge, Muhammad Akbar
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 29, Nomor 2, DESEMBER 2023
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/mkts.v29i2.55191

Abstract

POFA (palm oil fuel ash) and seawater have the possible to be used in concrete as an effort to reduce construction costs and environmental waste problems. POFA contains pozzolanic properties such as those contained in cement so it has the possible to be used as a mineral in concrete mixtures. Therefore, the use of POFA and seawater in concrete mixtures have the potential to be implemented, but it is obligatory to pay awareness to the potential for corrosion that also follows. This study aims to evaluate the use of POFA up to 20% as a replacement for cement and the effect of mixing seawater on the strength and corrosion of reinforcing bar in concrete. The compressive strength of concrete was evaluated by carrying out a compressive test on a cylindrical specimen with 100 mm in diameter and 200 mm in height at 7 days and 28 days of age. Furthermore, a concrete cylinder specimen with a diameter of 10 mm reinforcement was used to evaluate the potential for corrosion. Measurement of corrosion estimation using the half-cell potential (HCP) method based on ASTM C876-15. Test results show the use of up to 10% POFA to replace cement by mixing seawater and treated with fresh water has a high strength that is almost the same as normal concrete. The risk of corrosion is also not detected and proven by actual measurements of corrosion. Furthermore, HCP values more negative than -400 mV are predicted to experience corrosion in the reinforcement area above 10%.
Co-Authors A. Arwin Amiruddin Abdurrahman, Muh. Asad Adisasmita, Sakti Adji Azwar, Ahmad Chairul Paotonan Dahlia Patah, Dahlia Dasar, Amry Hasdinar Umar K, Riswal Pongmada, Silman Rahmi Amin Ishak Sainuddin, Sainuddin Sitti Hijraini Nur