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All Journal Media Konstruksi : Jurnal Ilmiah Teknik Sipil Journal of Civil Engineering and Planning (JCEP) REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Jurnal Momen : Teknik Sipil Suryakancana Journal of Applied Geology Jurnal Teknik Sipil Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Sultra Civil Engineering Journal (SCiEJ) Jurnal Teknik Sipil Institut Teknologi Padang Indonesian Geotechnical Journal Jurnal Pengabdian Kepada Masyarakat Meambo Media Konstruksi : Jurnal Ilmiah Teknik Sipil Aspal : Jurnal Aspirasi Teknik Sipil
Anafi Minmahddun
Universitas Halu Oleo
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences Transportation

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Study of Utilizing Wawonii River Materials as an Alternative Aggregate for Road Subbase Anafi Minmahddun; Muh. Handy Dwi Adityawan
Journal of Civil Engineering and Planning (JCEP) Vol. 5 No. 1 (2024)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v5i1.9198

Abstract

This paper presents the results of tests on the characteristics of the Bobolio River material which has the potential to be used as an alternative aggregate for road subbase. Characteristic tests carried out include sieve analysis, specific gravity and absorption testing of coarse and fine aggregate, abrasion testing and compaction testing and Laboratory CBR. The results of testing the specific gravity and absorption of coarse and fine aggregates showed that the specific gravity of the coarse aggregate was 2.65 grams/cm3 (2.4-2.8 grams/cm3) and the absorption was 3.31% (maximum 5%). The specific gravity of fine aggregate is 2.51 grams/cm3 (1.6-3.2 grams/cm3) and absorption is 0.42% (maximum 2%). Abrasion testing obtained a wear value of 23% (0-40%). CBR value at 95% maximum density value is 20.50% (min 50%). The characteristic test results show that all parameters meet the 2018 Bina Marga specifications except the CBR value. Even if the CBR value does not meet specifications, Bobolio River material with good wear value can be mixed with material from other sources to meet the required CBR value.
Studi Keandalan Geolistrik Dalam Identifikasi Kebocoran Embung: Studi Kasus Embung Wolo, Sulawesi Tenggara Mangidi, U.; Minmahddun, A.; Razak, E.N.P.; Sulha, S.
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 5 Issue 1 (March 2024)
Publisher : Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v5i1.644

Abstract

Small dams are vital for supporting water resource conservation. The reservoir stores water from several water sources, especially in the rainy season, so that it remains available in the dry season. Some reservoir infrastructures were built using earthen fill materials located around it. This condition is very vulnerable to disasters, ranging from seepage to collapse. It is important to evaluate the safety of all potential dangers to minimize the risk of disasters. One method that can be used is the geoelectric method, which allows us to analyze the resistivity properties of the soil, but the reliability of this method needs to be further evaluated. This research aims to determine the reliability of geoelectric in identifying potential leaks in reservoirs. Geoelectric measurements were carried out at Wolo Small Dam using the Wenner-Schlumberger configuration with 32 electrodes at 2.5 m. Data collection was carried out at the top of the small dam so that it could provide the condition of the soil layer of the embankment material in the longitudinal direction. Validate the measurement using the results of previous research. The results of the analysis show that there are differences in lithology in the body of the reservoir, which indicates differences in the quality of work during construction. The interface between these two surfaces can lead to leaks. Apart from that, the analysis results also show the potential for piping in the reservoir. The location of the potential piping area is not far from the results obtained in previous research at the same location. This shows that geoelectric is quite capable of being a tool that can be used to identify leaks in reservoirs or other water structures. Of course, the combination of geoelectric and other soil testing will provide better results in anticipating disasters caused by small dam leaks
Analisis Stabilitas Lereng Tambang Nikel Kabupaten Morowali Ramadhani, S.; Minmahddun, A.; Patuti, I.M.; Widiastuti, M.
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 5 Issue 1 (March 2024)
Publisher : Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v5i1.654

Abstract

Central Sulawesi Province is a province that has quite high mining activities, so an evaluation of the stability of open pit slope excavations needs to be carried out to prevent collapses during the exploration process which could result in loss of life. Analysis using the finite element method is one method that can be used to analyze slope deformation and stability during the excavation process. This research simulates excavation of a mine slope in 4 stages with a height of 5 m and a slope of 500. The analysis was carried out based on the results of the N-SPT test at three locations (GT-15617, GT-19125 and GT-19841) which are the slopes with the most extreme slopes. The analysis results show that at GT-15617 the maximum deformation occurred at stage 4 of the excavation at 0.18 m with a safety factor of 1.43, the maximum deformation at the GT-19125 location occurred at stage 4 at 0.21 m with a safety factor of 1.26 and at location GT-19841 maximum deformation occurred at stage 4 of 0.21 with a safety factor of 1.21. The overall safety factor analysis results do not meet the required minimum safety factor criteria.
Evaluasi Dimensi Tiang Pancang Dermaga di Daerah Pesisir Kabupaten Kolaka dengan Mempertimbangkan Pengaruh Likuifaksi Minmahddun, A.; Mangidi, U.
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 5 Issue 2 (September 2024)
Publisher : Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v5i2.686

Abstract

The pier in the coastal area of Kolaka Regency plays a crucial role in the distribution of goods and economic enhancement. However, the risk of liquefaction due to earthquakes threatens the stability and safety of the pier structure. This study aims to evaluate the dimensions of the pier piles considering the effects of liquefaction. The research methodology includes the analysis of liquefaction potential using the NCEER method, axial load capacity analysis using the Briaud method, and deflection analysis using the Broms method. Foundation analysis under liquefaction conditions is simplified by assuming the SPT values in the liquefied soil layer to be zero. Standard Penetration Test (SPT) data were used to assess soil conditions at the pier location. The analysis results indicate that the sand layer at a depth of 6-12 meters has a high potential for liquefaction, primarily due to the high content of coarse grains and a fine particle percentage of 15%. The increase in peak ground acceleration (PGA) in the Sulawesi region also amplifies the potential for liquefaction. The foundation analysis without considering liquefaction shows that the pile dimensions with a depth of 25 meters meet the design criteria, although deflection approaches the permissible limit. However, under liquefaction conditions, there is a slight reduction in axial load capacity (3%), but the pile deflection increases beyond the allowable limit. To mitigate the risk of liquefaction and ensure the safety of the pier, it is recommended to extend the pile depth to 28 meters.
Pemberdayaan Masyarakat pada Penerapan Konstruksi Bangunan Sipil di Kelurahan Anduonohu Kota Kendari Welendo, La; Ngii, Edward; Putra, Adris Ade; Nuhun, Ridwan Syah; Talanipa, Romy; Mahapati, Waode Sitti Warsita; Lalang, Lalang; Kaimuddin, Januar Saleh; Balaka, Rudi; Mursidi, Baso; Makmur, Muammar; Takdir, Riyan Abdillah; Minmahddun, Anafi
Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Vol 5, No 2 (2023)
Publisher : Vokasi Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jpmit.v5i2.46276

Abstract

Community service activities by a team of teaching staff as one form of the tri dharma (Lecturers) of Halu Oleo University, namely carrying out community service, in carrying out community service to provide contributions in the form of knowledge about pontesi and infrastructure development to improve the welfare of the community in the sub-district Anduonohu Kendari City. Anduonohu Village is a potential area and has sufficient natural resources, in this case potential agricultural land (fertile land), but road access to the Village needs serious attention from all parties. Therefore, we, as a team of lecturers, provide service to contribute work/products and understanding to the community regarding infrastructure development, especially improving farm roads as access for community movement to support economic, social, educational and other activities. The implementation process in this service activity is an implementation technique according to the availability of resources from the service implementation team in the form of outreach to the community, farmers and local government by prioritizing science. This Community Partnership Program (PKM) is delivered in community service activities as an impact of increasing community knowledge, especially in developing infrastructure in Anduonohu Village, Kendari City. The methods used in this activity are example providing, direct or face to face discussions with the community, as well as field applications. in infrastructure development (repairing village roads). It is hoped that this service program activity can provide knowledge and understanding to the community regarding the application of science to benefit society.
Pelatihan Teknis Perakitan Pompa Hidram Kader Teknik Desa Lalouesamba, Konawe Selatan Agustan, Agustan; Ngii, Edward; Welendo, La; Nuhun, Ridwan Syah; Ahmad, Sitti Nurjannah; Sulha, Sulha; Isnawati, Isnawati; Minmahddun, Anafi
Jurnal Pengabdian Masyarakat Ilmu Terapan (JPMIT) Vol 5, No 2 (2023)
Publisher : Vokasi Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jpmit.v5i2.46277

Abstract

Kader teknik desa merupakan tenaga ahli dibidang pembangunan infrastruktur yang berasal dari warga/masyarakat desa. Program praktik perakitan pompa hidram bertujuan untuk meningkatkan keterampilan membuat/merakit dan mengoperasikan pompa hidram dengan benar sekaligus memberikan keterampilan kemampuan mengatasi masalah kegagalan pada pengoperasian agar terjadi kemandirian dan keberlanjutan manfaat asset pompa hidram yang dimiliki. Metode yang digunakan adalah metode pelatihan praktik langsung dan penilaian peserta menggunakan metode scoring. Kegiatan pelatihan praktek pompa hidram ini berhasil dilaksanakan dengan sukses memberikan keterampilan merakit pompa hidram dengan capaian 75% s/d 80 % dalam kategori baik. Diantara 7 peserta, 4 kader behasil lulus dengan skor baik dan 3 peserta llulus dengan skor baik sedang. Adapun sejumlah 7 kader yang berhasil ini sudah cukup untuk mewakili seluruh warga sebagai kelompok SDM desa untuk mengembangkan potensi SDA sungai yang ada. Kelompok SDM hidram ini siap untuk diproyeksikan untuk merencanakan pompa hidram pada aliran sungai desa lalouesamba.
Evaluasi Dimensi Dinding Penahan Tanah Kombinasi Cantilever Wall dan Bore Pile (Studi Kasus: Penanganan Longsor Ruas Jalan Batas Konawe-Konawe Utara) Minmahddun, Anafi
MEDIA KONSTRUKSI Vol 8, No 4 (2023)
Publisher : PRODI D3 TEKNIK SIPIL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jmk.v8i4.46643

Abstract

Hasil pelaksanaan pekerjaan bore pile yang tidak mampu memenuhi kedalaman rencana menyebabkan perlunya dilakukan evaluasi terhadap dimensi dinding penahan tanah sehingga tetap mampu mengatasi permasalahan longsor. Penelitian ini bertujuan untuk mengevaluasi dimensi dinding penahan tanah dan bore pile berdasarkan kondisi aktual dilapangan untuk memastikan struktur dinding penahan tanah tetap aman meskipun ada perubahan kedalaman bore pile. Analisis topografi dilakukan untuk mengetahui variasi kemiringan lereng timbunan jalan disepanjang area longsor. Investigasi tanah menggunkan CPT dilakukan untuk mendapatkan gambaran kondisi bawah permukaan pada daerah fondasi DPT. Hasil analisis topografi menunjukkan terdapat tiga kemiringan lereng timbunan jalan yang dapat mewakili keseluruhan area longsoran yaitu 29o, 24 o dan 18 o. Hasil analisis faktor aman menunjukkan perubahan dimensi bore pile menjadi 5 m diperoleh stabilitas geser, stabilita guling, daya dukung tanah dan stabilitas global secara berturut-turut adalah 3,81, 2,28, 11,33 dan 1,65. Kedalaman bore pile 7 m memberikan nilai faktor aman yang sangat besar diatas standar yang ada sehingga dapat dilakukan optimasi menjadi 5 m menyesuaikan dengan kedalaman maksimum bore pile yang dapat dicapai dilapangan. Hasil analisis faktor aman pada kemiringan lereng timbunan jalan 24o dan 18o tanpa menggunakan bore pile diperoleh seluruh kriteria stabilitas memenuhi standar yang dipersyaratkan. Berdasarkan keseluruhan hasil analisis, tidak perlu dilakukan penyesuaian dimensi DPT akibat pengurangan kedalaman bore pile karena nilai faktor keamanan yang didapatkan masih memenuhi kriteria faktor aman minimum yang dipersyaratkan.
EVALUASI TAHANAN LATERAL PILE GUIDE DERMAGA MARINA TERHADAP BEBAN GELOMBANG Minmahddun, Anafi
Jurnal Teknik Sipil Vol 14 No 2 (2024): Jurnal Teknik Sipil
Publisher : Civil Engineering Study Program Faculty of Engineering, University of Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36546/tekniksipil.v14i2.1489

Abstract

Marina adalah fasilitas khusus yang melayani kapal rekreasi seperti yacht dan perahu nelayan, dengan elemen struktural utama berupa pile guide untuk mendukung stabilitas dermaga terapung. Artikel ini menganalisis kapasitas tahanan lateral pile guide dengan mempertimbangkan beban akibat gelombang, angin, dan arus di lingkungan laut. Penelitian ini menggunakan metode analisis struktur untuk menentukan fixity point dan metode Brooms untuk mengevaluasi defleksi tiang. Data angin dan gelombang dianalisis menggunakan metode Fisher-Tippet tipe I untuk menentukan tinggi gelombang maksimum dengan kala ulang 50 tahun, yaitu 2,75 meter. Hasil analisis menunjukkan nilai unity check sebesar < 0,5, menandakan tegangan izin dua kali lebih besar dari tegangan aktual sehingga struktur dinilai aman. Defleksi yang terjadi pada kedalaman penanaman tiang sebesar 15 meter adalah 1,93 cm, yang berada di bawah batas defleksi maksimum 2,54 cm. Sebagian besar gaya lateral ditanggung oleh sistem apung dermaga, sehingga kedalaman tiang yang diperlukan tidak sebesar pada dermaga umum. Namun, untuk tanah yang berpotensi likuefaksi, kedalaman tiang harus ditingkatkan untuk menjaga stabilitas struktur. Penelitian ini menyimpulkan bahwa desain pile guide pada dermaga marina telah memenuhi kriteria keamanan dan stabilitas yang diharapkan. Kajian ini memberikan panduan penting bagi desain infrastruktur marina yang berkelanjutan, khususnya di wilayah pesisir dengan karakteristik lingkungan dinamis.
Pendampingan Masyarakat Rencana Penggunaan Sumber Daya Air Sungai Wolo di Kelurahan Wolo Kecamatan Wolo Kabupaten Kolaka Viska Inda Variani; Muhammad Zamrun Firihu; Armid; Fahmiati; Uniadi Mangidi; Rini Sriyani; Wayan Mustika; Erick Nov Putra; Anafi Minmahddun; Permatahati, Yustika Intan; Dedy Oetama; Muhamad Alim Marhadi
Jurnal Pengabdian Meambo Vol. 2 No. 1 (2023): Jurnal Pengabdian Kepada Masyarakat MEAMBO
Publisher : PROMISE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56742/jpm.v2i1.41

Abstract

Rencana pengambilan air oleh industri yang bersumber dari Sungai Wolo dengan membangun bangunan pengambil (intake) di daerah aliran Sungai Wolo berpotensi menimbulkan konflik dengan masyarakat. Hal ini disebabkan kekhawatiran masyarakat akan hilangnya akses penggunaan air pasca pembangunan intake. Untuk menghindari konflik tersebut, tim pengabdian kepada masyarakat UHO menggagas Pertemuan Konsultasi Masyarakat (PKM) yang bertujuan untuk menjelaskan proses pembangunan intake Sungai Wolo dan bagaimana proses pengambilan air oleh industri. Kegiatan ini sekaligus menjawab kekhawatiran masyarakat terkait dampak pembangunan intake terhadap kondisi keseharian warga. Semua jawaban yang diberikan berdasarkan kajian ilmiah sesuai dengan standar dan peraturan yang berlaku. Penjelasan sedapat mungkin dapat dimengerti oleh masyarakat awam. Proses pelaksanaan kegiatan Pendampingan Masyarakat Rencana Penggunaan Sumber Daya Air Sungai Wolo di Kelurahan Wolo Kecamatan Wolo Kabupaten Kolaka ini diharapkan akan meningkatkan pemahaman masyarakat terkait pemanfaatan air oleh industri. Sebagai salah satu tugas Tridharma Perguruan Tinggi, kegiatan pengabdian kepada masyarakat berupa pendampingan ini merupakan hal yang sangat penting untuk menghindari salah paham di tengah-tengah masyarakat. Kegiatan pengabdian ini dapat terus berlangsung, mengingat masyarakat memiliki peran dalam mengawasi kegiatan pengambilan air oleh industri yang diatur oleh undang-undang.  
Analisis Stabilitas Lereng dengan Perkuatan Bronjong Menggunakan Metode Kesetimbangan Batas (Studi Kasus: Ruas Jalan Batas Kab. Muna-Kab. Buton Utara) Anafi Minmahddun
MEDIA KONSTRUKSI Vol. 9 No. 1 (2024)
Publisher : Jurusan Teknik Sipil, Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/medkons.v9i1.2

Abstract

The challenge in road infrastructure development is the potential for slope instability due to topographic conditions, as observed in a road segment in Southeast Sulawesi Province. This study aims to analyze slope stability using gabion reinforcement. A topographic survey and soil investigation using the cone penetration test were conducted to determine the topographic conditions and soil layers to ensure that the landslide mitigation design meets the required criteria. The analysis was performed using the limit equilibrium method to determine the overall slope safety factor, and an internal stability analysis was also conducted to assess the safety of the gabions against potential shear failure, overturning, and bearing capacity failure. The results of the analysis showed that the safety factors for the gabions against shear, overturning, and bearing capacity were 3.33, 11.44, and 5.49, respectively. Furthermore, the global slope stability analysis using the Spencer method obtained a safety factor of 1.70. All the safety factor values meet the required safety factor criteria.
Co-Authors Abdul Rajab Adityawan, Muh. Handy Dwi Adris Ade Putra Agustan Agustan Agustan Agustan Agustan Agustan, Agustan Ahmad Loding Ahmad, Sitti Nurjannah Alfi Syahri Aminur Aminur Angela Olyvia Anggun Vivi Alvionita Armid Baso Mursidi Baso Mursidi, Baso Citra Yurnidar Syah Dedy Oetama Edward Ngii Edward Ngii Erick Nov Putra Evy Yusuf Ezra Pasereng Rambak Ezra Pasereng Rambak Fahmiati Faris, Fikri Fitriah Masud Hadafia’dy Hadafia’dy Hasran Jaya I.M. Patuti Ikhsar Ikhsar Isnawati Isnawati Jaka Seru Dwi Saputra Jery Shandi Kaimuddin, Januar Saleh La Rahman La Rahman La Welendo, La Lalang, Lalang Layori Layori Mahapati, Waode Sitti Warsita Mangidi, U. Mappa Nashrun Mappa Nashrun Mardis Darwis Mardis Darwis Masdiana Masdiana Minsin Simatupang Muammar Makmur, Muammar Muh Handy Dwi Adityawan Muh. Dirham Muh. Handy Dwi Adityawan Muh. Thahir Azikin Muhamad Alim Marhadi Muhammad Amril Akmal Muhammad Handy Dwi Adityawan Muhammad Zamrun Firihu Mustika Mustika Nasrul Nasrul Nasrul Nasrul Nasrul Nuhun, Ridwan Syah Permatahati, Yustika Intan Putra Dwijanto Mangoki Rachman, Ranno Marlany Raja Agung H.S. Ramadhan, Syahril Ramadhani, S. Razak, E.N.P. Razak, Erich Nov Putra Renaldy Pundissing Rini Sriyani Rini Sriyani Rini Sriyani Risma Vionita Romy Talanipa Romy Talanipa, Romy Rudi Balaka, Rudi Salaamah, Ainul Fatayaatis Simatupang, Minson Siti Nurjanah Ahmad Sitti Nurjanah Ahmad Sulha Sulha Sulha Sulha, S. Sultan Machmud Hasan Masiki Sultan Machmud Hasan Masikki Takdir, Riyan Abdillah Teuku Faisal Fathani Try Sugiyarto Tryantini Sundi Putri Sundi Tugo, Laode Jonas Umran Sarita Uniadi Mangidi Viska Inda Variani Wa Ode Oga Wa Ode Sitti Munasari Wayan Mustika Wayan Mustika Widiastuti, M. Windy Agustin Putri