Article Per Year (5 Year)
p-Index From 2020 - 2025
13.31
P-Index
This Author published in this journals
All Journal Jurnal Teknik Hidro Jurnal Teknik Sipil Pena Teknik : Jurnal Ilmiah Ilmu-ilmu Teknik Stabilita : Jurnal Ilmiah Teknik Sipil Fakultas Teknik Universitas Halu Oleo Kendari Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Scientia Journal of the Civil Engineering Forum Jurnal Talenta Sipil Jurnal Flyover Jurnal Teknik Sipil Macca Innovative: Journal Of Social Science Research UNDERPASS Journal of Civil Engineering, Applied Sciences, and Technology Jurnal Konstruksi : Teknik, Infrastruktur dan Sains Jurnal Civil Engineering Study JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Journal of Applied Civil and Environmental Engineering (JACEE) Journal of Technology and Engineering
Hanafi Ashad
Jurusan Teknik Sipil, Fakultas Teknik Universitas Muslim Indonesia, Makasar
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

Published : 113 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 113 Documents
Search

 6   7   8   9   10 
An Assessment of Derelict Building Constructions Situated In Coastal Regions Rahman, Mohammad Junaedy; Hasrul, Muhammad Reza; Ashad, Hanafi; Yusuf, Furqan Ali; Hasrul, Nur Refera
Journal of the Civil Engineering Forum Vol. 10 No. 3 (September 2024)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.10433

Abstract

Reinforced concrete structures constructed in coastal areas in Indonesia often suffer damage before reaching their intended service life, with steel reinforcement corrosion being a major contributing factor. This study aims to investigate the use of concrete structures produced with simple methods and inadequate supervision in coastal regions. Reinforced concrete structures near the coast are susceptible to carbonation due to marine environmental factors, leading to reinforcement corrosion. The study was conducted on the Dande Dandere Market building, Tanakeke Island, Takalar Regency, South Sulawesi. The research method employed quantitative techniques, including surveys and structural testing. Visual inspections were conducted to identify the types of damage present in the building and estimate their causes. Structural testing involved both destructive and non-destructive tests. Concrete compressive strength testing was also conducted to assess the concrete sample’s compressive strength, along with carbonation testing to determine the acidity level of concrete due to the intrusion of salt compounds or carbonation formed within the concrete mass. The research findings indicate structural degradation in the market’s construction, occurring more rapidly than the intended lifespan of the building. Signs of structural degradation in the reinforced concrete construction include spalling of concrete cover on beams, supporting columns, and cantileverslabs, as well as degraded reinforcement, with an average reduction in steel weight of 62.70% over six years, and an average weight loss of 0.103 grams per day. Therefore, efforts are needed to optimize the structural quality of the building through comprehensive repairs, starting from the foundation. However, for cost-efficient alternatives, it is recommended to use timber structural materials for new market construction. The use of timber in coastal buildings, which are vulnerable to marine influences, is more feasible as the presence of saltwater can inhibit wood decay caused by microorganisms.
STUDI EKSPERIMENTAL PENGARUH SUHU TERHADAP KUAT TEKAN TOOTHBRUSH WASTE PLASTIC CONCRETE (TPWC) Ashad, Hanafi; Ismail, Muh Shadikin; Utina, Toni; Burhanuddin, Muh Syarif; Diana, Risma; Masdiana, Masdiana
STABILITA || Jurnal Ilmiah Teknik Sipil Vol 11, No 3 (2023):
Publisher : Fakultas Teknik Jurusan Sipil Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/jts.v11i3.46105

Abstract

Indonesia adalah negara peringkat kedua penghasil sampah plastik di dunia . Hal ini karena jumlah penduduk Indonesia menduduki peringkat ke 4 di dunia yang mana hampir 80% masyarakat belum menyadari tentang pemilahan, penggunaan dan bahaya sampah dan semakin diperparah sejak Pandemi Covid 19. Pemerintah telah mengupayakan segala cara agar dapat menekan laju pertumbuhan produksi sampah plastik dengan menggeluarkan dana, menetapkan peraturan, menggalakkan program 5R. Salah satu upaya masyarakat adalah dengan memanfaatkan sampah menjadi material utama beton. Sampah sikat gigi plastik (Toothbrush Plastic Waste/TPW) adalah sampah yang tidak benilai namun produksinya sangat besar karena merupakan salah satu kebutuhan pokok kebersihan. Tekstur yang kuat, tahan panas dan tidak lapuk merupakan faktor utama pemilihan sebagai material subtitusi. TPW dipotong dengan Panjang 1-2 cm, komposisi prosentase TWP sebagai subtitusi agregat kasar diambil berdasarkan volume agregat kasar. Hasil penelitian membuktikan terjadi peningkatan kuat tekan hingga 28 hari. Toothbrush Plastic Waste of concrete pada kondisi sebelum dipanaskan yang terbaik adalah (TPWC) 2,5% memiliki nilai kuat tekan sebesar 15,83 Mpa dan berat isi sebesar 12,39 kg.
Sifat Sifat Mekanik Beton dengan Menggunakan Fiber Reinforced Polymer (FRP) Ashad, Hanafi; Hartawan Nurdin, Rezki Muhammad Suharto; Nizar, Muhammad Chairus; Utina, Toni; Syarif, Muhammad
Jurnal Talenta Sipil Vol 7, No 2 (2024): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v7i2.538

Abstract

This study investigates the impact of Carbon Fiber Reinforced Polymer (CFRP) reinforcement on the mechanical properties of concrete, by testing the compressive strength, tensile strength, flexural strength, and shear strength of concrete with and without CFRP reinforcement. The results of the study show a significant improvement in all aspects after the application of CFRP. Specifically, the compressive strength of concrete consistently increases after CFRP reinforcement, with CFRP 2 Layer reinforcement showing the highest increase. Similarly, the tensile strength and flexural strength of concrete also experience significant improvement after CFRP reinforcement, indicating better resistance to compression and tension. Lastly, CFRP reinforcement has a significantly positive impact on the shear strength of concrete, with an increase of up to 123% after the application of CFRP 2 Layers. These results indicate a substantial potential for improving the performance of concrete structures through the use of CFRP, with the greatest improvement observed in shear strength.
Kajian manajemen risiko pada pembangunan gedung kantor PKK, Dekranasda dan UMKM Center Kota Makassar Sany, Mohammad Tharieq; Ashad, Hanafi; Maricar, Muhammad Husni
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.40955

Abstract

The implementation of a construction project anywhere and in any form will never be free from risks, whether small-scale or large-scale risks. The smaller the potential risk, the more profitable the project will be, both in terms of costs and construction implementation. The larger the scale of a project, the greater the potential risks that arise which, if not handled properly, will hamper project implementation. One of the projects that was used as the object of study was the Implementation of the PKK, Dekranasda and UMKM Center Office Building Project for Makassar City. This project has a risk of delays so risk management analysis will be carried out with a formulation to obtain mitigation that suits the needs of the workplace. Data collection was carried out by identifying factors from previous research, a preliminary survey was carried out to determine factors that were relevant to the project conditions. After the relevant factors are distributed, a questionnaire is distributed to obtain data on the object's perception of the factors in the questionnaire. So the collected data is processed and analyzed using the SPSS 25 application using logistic regression analysis. The results of research using logistic regression analysis show is one main factor that influences the risk of delays in project work, namely schedule preparation. If the schedule preparation factors are carried out poorly then the chance of delays is 74.95%.
Kontribusi Limbah Batu Bata Merah sebagai Alternatif Pengganti Parsial Semen pada Beton Ashad, Hanafi; Maulana, Muhammad Ilham; Rahayu, Anita
Jurnal Teknik Sipil MACCA Vol. 5 No. 1 (2020): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Batu bata merah adalah bahan bangunan sejenis batako yang terbuat dari tanah liat dan dibakar pada suhu tinggi. Tanah liat merupakan bahan utama pembuatan batu bata merah ini jika dicampur dengan air akan menjadi suatu adonan yang plastis, dengan ini tingkat plastisitas yang tergantung dari jenis tanah liatnya. Batu bata merah dalam penelitian ini ditujukan untuk pemanfaatan limbah. Limbah batu bata merah dalam penelitian ini untuk pembuatan beton normal. Metode penelitian yang digunakan adalah metode percobaan yang dilakukan di Laboratorium Struktur dan Bahan, Univeritas Muslim Indonesia. Penelitian ini bertujuan untuk mengetahui sifat mekanik dan sifat fisik beton dengan campuran limbah batu bata merah sebagai subtitusi/pengganti semen. Benda uji yang digunakan berbentuk silinder berdiameter 15 cm dan 30 cm. Pengujian kuat tekan dan Porositas beton dilakukan pada variasi umur beton yaitu 7, 14, 21, dan 28 hari. Presentase penggunaan limbah batu bata merah antara lain 0%, 5%, 10%, 15%, dan 20%. Berdasarkan nilai kuat tekan rata-rata dengan menggunakan limbah batu bata merah sebagai subtitusi pada variasi 10% diperoleh hasil terbesar yaitu 17,365 MPa. Sedangkan untuk Porositas dengan menggunkan limbah batu bata merah sebagai subtitusi diperoleh hasil terbesar pada variasi 20% yaitu 3,233 %.
Pemanfaatan Limbah Pembakaran Batu Bara sebagai Bahan Substitusi Parsial Semen Ashad, Hanafi; Supardi, Sudarman; Mappiasse, Anwar; Zhahir, A. Muh Ikram; Surya, Diaz Prabowo
Jurnal Teknik Sipil MACCA Vol. 5 No. 1 (2020): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pemakain batu bara di Indonesia semakin meningkat mengakitbatkan semakin melimpahnya limbah batu bara berupa fly ash yang tergolong limbah B3 yang jika dimanfaatkan dapat berkontribusi positif terhadap lingkungan. Fly ash memiliki karakteristik pozzolan sehingga jika dilibatkan sebagai material subtituen pada campuran beton disinyalir dapat berefek positif pada kinerja beton. Tujuan penelitian ini adalah untuk menganalisis pengaruh keberadaan fly ash batu bara sebagai substitusi parsial semen terhadap kuat tekan beton dan juga mengetahui kadar presentase fly ash batu bara yang optimum yang memberikan kuat tekan terbesar pada beton. Metode penelitian berbasis eksperimen di laboratorium meliputi pengujian karakteristik dasar material, mix design, dan pengujian kuat tekan beton. Sampel dibuat berbentuk silinder dengan ukuran 15x30 cm. Variasi kadar substitusi fly ash sebesar 0%, 5%, 10%, 15%, 20%, dan 25% terhadap jumlah semen. Beton diuji setelah mencapai umur 28 hari. Data yang diperoleh dari pengujian secara sekuensial di laboratorium membuktikan bahwa substitusi fly ash antara 0% sampai dengan 12,49% meningkatkan nilai kuat tekan beton dengan nilai optimal sebesar 35,59Mpa pada kadar 12,49%. Subtitusi fly ash dengan kadar yang melebihi 12,49% berdampak pada penurunan kekuatan beton. Hasil ini menggambarkan bahwa pada kadar tertentu, pemanfaatan limbah batubara fly ash bisa meningkatkan nilai kuat tekan beton.
Studi Kebutuhan Air untuk Pembangunan Jaringan Irigasi Mare-Mare Kabupaten Kepulauan Selayar Yunan, Muh; Ashad, Hanafi
Jurnal Teknik Sipil MACCA Vol. 5 No. 2 (2020): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Di Kabupaten Kepulauan Selayar, terdapat 4 lokasi cetak sawah baru. Salah satu lokasi cetak sawah baru yang dilakukan Pemerintah Kabupaten Kepulauan Selayar yaitu di Desa Mare-mare yang memiliki luas fungsional 30,6 Ha, dan luas baku 933 Ha. Pemerintah daerah terus berupaya untuk menambah luasan sawah di Desa Mare-mare. Sumber air irigasi warga di Desa Mare-mare bersumber dari sumur dangkal, sungai, dan sumur bor melalui sistem pompanisasi yang dialirkan melalui jaringan perpipaan. Studi ini membahas apakah debit air pada sumur dangkal, sungai, dan sumur bor sudah mencukupi kebutuhan air pada daerah irigasi Mare-mare dan berapa kebutuhan air irigasi untuk daerah irigasi tersebut. Penelitian ini bertujuan untuk menganalisis kebutuhan air irigasi dan efisiensi pengaliran. Efisiensi pengaliran dihitung berdasarkan kehilangan air pada saluran irigasi tersebut, apakah sudah memenuhi standar atau belum sesuai dengan kriteria efisiensi pengaliran pada saluran irigasi sehingga dapat diketahui perlunya pembangunan jaringan irigasi Mare-mare Kabupaten Kepulauan Selayar. Hasil perhitungan kebutuhan air total dengan menggunakan pola tanam Padi-Padi-Palawija tertinggi pada bulan januari sebesar 1,64 ltr/dtk/ha.
Kajian Pengaliran Banjir Sungai Terhadap Koefisien Kekasaran Manning pada Sungai Larompong Kabupaten Luwu Provinsi Sulawesi Selatan Halman; Ashad, Hanafi
Jurnal Teknik Sipil MACCA Vol. 5 No. 2 (2020): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sungai Larompong berada di Kabupaten Luwu Propinsi Sulawesi Selatan merupakan sungai utama dari DAS Larompong yang melintasi desa Komba, desa Lumaring Kelurahan Larompong dengan bemuara di Teluk Bone. Debit Sungainya cenderung besar dan rawan banjir pada saat curah hujan tinggi dengan kondisi penampang sungai saat ini seringkali meluap mengakibat bencana terutama disekitar sungai utama. Untuk mengkaji permasalahan banjir tersebut, dilakukan kajian pengaliran sungai terhadap koefisien kekasaran Manning. Tujuan penelitian adalah untuk mengetahui debit banjir kala ulang berapa yang menyebabkan luapan banjir dari kondisi penampang sungai saat ini serta untuk mengetahui pengaruh nilai koefisien kekasaran manning terhadap muka air banjir yang terjadi dan membandingkannya dengan data sekunder. Penelitian ini dilaksanakan selama tiga bulan yaitu bulan September-Desember 2019. Variabel yang diamati dan dihitung yaitu debit banjir kala ulang, deskripsi karakteristik kekasaran penampang sungai. Metode yang digunakan adalah metode survei dan penentuan titik pengukuran dan pengamatan berdasarkan pertimbangan tertentu. Data dianalisis dengan bantuan software HEC-RAS.
Effect of Using Coconut Fiber to Increase Strength and Modulus of Elasticity in Asphaltic Concrete Mixes Salim, Salim; Wisnumurti, Wisnumurti; Widodo, Agung Sugeng; Ashad, Hanafi
Jurnal Civil Engineering Study Vol. 5 No. 01 (2025): Jurnal Civil Engineering Study
Publisher : Civil Engineering of Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/ces.v5i01.1236

Abstract

The modulus of elasticity or modulus of stiffness is a metric that indicates the stiffness of a mixture based on the stress and strain relationship. One very important component that influences the performance of asphalt pavement is the stiffness modulus. A lower stiffness modulus value makes it easier to experience deformation, which causes the pavement to crack easily when subjected to heavy loads. Asphalt concrete mixtures with high stiffness modulus values ​​will be stiffer and more resistant to deflection. This study is experimental with the aim of obtaining an asphalt concrete mixture that is able to withstand loads without changes. In this study, the asphalt concrete mixture was composited with coconut fibers with the aim of determining the effect of coconut fibers in increasing stress and tensile strain as well as the stiffness modulus of the mixture. This type of test is carried out using an ITS test equipment to obtain stress, strain and stiffness modulus values.
Evaluasi Biaya pada Pembangunan Gedung Auditorium Politeknik Ilmu Pelayaran Kota Makassar Hamkas, Martin; Ashad, Hanafi; Bachmid, Sofyan
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.42693

Abstract

The construction of the Maritime Science Polytechnic building in Makassar City (PIP), is based on the results of a planning review which consists of several activity components, namely; Preparation of work, Land, Structure, Architecture, Mechanical, Power House. With reference to the RAB, the Structure component constitutes the largest portion of the budget allocation of Rp. 51,058,734,268.85. In this way, these work items allow for evaluation, with the aim of efficiency or cost savings while remaining functional and maintaining good quality. Using the evaluation method approach, the floor base plate work item which is the sub-work of the BOC -010 elevation structure which originally used reinforcement using the conventional method was changed to using Wiremesh. After analyzing the reinforcement calculations, it was found that As w > As needed = 904.32 mm2 > 723,456 mm2. So the use of D20-150 iron bar can be replaced with M12-150 wiremesh iron. The results obtained from the results of the conversion analysis which originally used D20 – 150 iron bars, the unit price for conventional iron was Rp. 16,347.56 per kilogram to wiremesh M 12-150 unit price of Rp. 10,060.96 per kilogram. The final results show that; conventional reinforcement according to plan Rp., 16,347.56 x 122,976 = Rp. 2,010,357,646.00 while the price after changes (wiremesh) is IDR 10,060.96 x 122,976.00 = IDR. 1,237,256,616.96. The research results show that in terms of costs, by replacing conventional iron with wire mesh, savings of IDR 1,522,768,824.03 are obtained or with a savings weight of 1.19% of the total budget amount.
Co-Authors A. Muh Ikram Zhahir Abd Basit Amir Abd Karim Hadi Abd Malik Abd. Karim Hadi Agung Sugeng Widodo Agus Salim Karim Akhmad Hairuddin Aldi Sahitua Ali Mallombasi Ambo Sakka Amir, Andi Amiruddin Amiruddin Amiruddin Amriansyah Nasution Amrinsyah Nasution Amrinsyah Nasution Amrinsyah Nasution Amrinsyah Nasution Anas Anda Genisa Andi Alifuddin Andi Baso Gunawan Andi Butsainah Tumaadir Andi Fadhilla Andris Amir Anita Rahayu Anita Rahayu Anwar Mappiasse Apituley, Mykel Djinolla Argenta Djiko Arifuddin Karim Arisal Tamrin Arsyad Fadhil Asda Sugita Asma Massara Aulya Purwanengsy Syamsuddin Awal Wahid Bachmid, Sofyan BP, Muh Syarif BP, Muhammad Syarif Burhanuddin, Muh Syarif Cakrawangsa Nurkandi Cambe Cambe Diana, Risma Diaz Prabowo Surya Djamaluddin Karim Elfiyusriningsi Syara Emma Pratiwi Fadhil, Arsyad Fadhilla, Andi Fadli Fauzan Hamdi Fernanda, Farel Fira Firnawaty Gatot Hariyanto Hadi, Abd Karim Hadi, Abdul Karim Haeruddin C Maddi Halman Halman Hamdan Kadir Hamkas, Martin Handayani, Rahmat Akbar Hariyanto, Gatot Hartawan Nurdin, Rezki Muhammad Suharto Hasrianto Hasrianto Hasrul, Nur Refera Helmi Latada Ihyadi Ilham Syafei Imran, M. Afdal Prasetya Indah Nur Afiah Irianto, Muhammad Iqbal Haris Irwan Mohamad Ismail, Muh Shadikin Ismail, Syahrul Rezi Iswandi Imran Jamaluddin Jamaluddin Karim, Agus Salim Karim, Arifuddin Kurniawan, Ryan Dimas M Fahri, M M. Fahri Mappiasse, Anwar Maricar, Muhammad Husni Maruddin, Mukti Maryono Umar Masdiana Masdiana Mingkat Buya Mohammad Junaedy Rahman Mohammad Junaedy Rahman Mohammad Junaedy Rahman, Mohammad Junaedy Muarif Muarif Muh Syarif BP Muh Syarif BP Muh. Alwi. D.S Muh. Syahriadin Sahir Muh. Yunan Krg. Tompobul Muhamad Qasim* Muhammad Adil Muhammad Ilham Maulana Muhammad Ilham Maulana Muhammad Iqbal Haris Irianto Muhammad Syarif BP Muhammad Syarif, Muhammad Muhammad Taufiq Muhammad Yusril Tawainella Mukhtar Thahir Syarkawi Mukti Maruddin Musa, Ratna Nasaruddin Nasaruddin Nasaruddin Nizar, Muhammad Chairus Nurdin, Diakbar Pareang, Alias Pasambuna, Benny Putri, Adellina Sahnaz Susanto Qalzum, Ummu Raden Dani Mahendra Rahma Musafir Wellang Rahman Rahman Rahman Rahmat Akbar Handayani Rahmat Hidayat Ratna Musa Ratna Musa Ratna Musa Ribowo, Linda Rusly Effendi Hartono Rusmadi Siddiq S, Awaluddin Yamin Safruddin Sahir, Muh. Syahriadin Salim Salim, Salim Sany, Mohammad Tharieq Saptahari Soegiri Saptahari Soegiri Saptahari Soegiri, Saptahari Saputra, Reksa Eko SAR, Mas'ud Siti Maizarah Cindy Sofyan Bachmid Sudarman Supardi Sudarman Supardi Sugita, Asda Sukman, Zahranillah Supardi, Sudarman Suraedah Djumali Surya, Diaz Prabowo Syahrul Rezi Ismail Syam Sunniati Saleh Syamsu Basiri Syamsuddin, Aulya Purwanengsy Takdir, Muh. Asrar Tamrin, Arisal Tawainella, Muhammad Yusril Toni Utina Tri Juli Haryanto Ummu Qalzum Utina, Toni Wahid, Awal Wahyuddin, M. Fikri Watono Watono Watono Watono Watono Wellang, Rahma Musafir Wisnumurti . Yafed Maniburi Yuda Darma Yulianti, Fitria Devi Yunan, Muh Yusuf, Furqan Ali Zahranillah Sukman Zainal Zainal Zainuddin . Zhahir, A. Muh Ikram