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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Forum Mekanika Jurnal Mantik Journal of Sustainable Civil Engineering (JOSCE) Multicience Jurnal Pengabdian Masyarakat (ABDIRA) International Journal of Social Service and Research Jurnal Sipil Krisna Nusantara Journal of Multidisciplinary Science
Achmad Pahrul Rodji
Universitas Krisnadwipayana
Religion Aerospace Engineering Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Social Sciences Transportation Other

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Analisis Hambatan Samping Di Jalan Alternatif Inspeksi Banjir Kanal Timur Terhadap Kemacetan Jalan Basuki Rahmat Sukadi; Achmad Pahrul Rodji; Rifky Arrahman
Jurnal Sipil Krisna Vol 9 No 2 (2023): Jurnal Sipil Krisna
Publisher : Fakultas Teknik Universitas Krisnadwipayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61488/sipilkrisna.v9i2.421

Abstract

In the land transportation system, the availability of proper and adequate infrastructure greatly affects the smoothness of traffic. The existence of small businesses along the road is a side obstacle factor that reduces road performance. This happened along the Jalan Alternatif Inspeksi Banjir Kanal Timur, there were many traders on the roadside, pedestrians, vehicles going in and out, slowing down vehicles, and parking vehicles. Vehicles that should be able to pass the Jalan Alternatif Inspeksi Banjir Kanal Timur, prefer to go through Jalan Basuki Rahmat due to congestion. This caused traffic on Jalan Basuki Rahmat to jam due to the impact of congestion on the Jalan Alternatif Inspeksi Banjir Kanal Timur. The research was conducted for 4 (four) days, namely Monday, Thursday, Saturday and Sunday (July 13-19, 2020). The research time was carried out every morning (6.30 AM to 8.30 AM), noon (11.00 AM to 1.00 PM), afternoon (5.00 PM to 7.00 PM), and evening (7 PM to 10.00 PM) with traffic volume data, vehicle speed, and side obstacles every 15 minutes for the Jalan Basuki Rahmat (direction to Jakarta) and the Jalan Alternatif Inspeksi Banjir Kanal Timur (two-way). In addition, data on the width and length of the roads under review are also taken. Further analysis was conducted with reference to the MKJI 1997. From the research results, the capacity of Jalan Basuki Rahmat (direction to Jakarta) without side obstacles is 718 pcu/hour and with side obstacles 639 pcu/hour. Meanwhile, the capacity of the Jalan Alternatif Inspeksi Banjir Kanal Timur (two-way) without side obstacles is 1452 pcu/hour and with side obstacles 1148 pcu/hour. The peak of the side obstacles on the Jalan Alternatif Inspeksi Banjir Kanal Timur occurs from the afternoon until the evening (the highest saturation degree value is 1.97 = F), at the same time there is also traffic density on Jalan Basuki Rahmat.
ANALYSIS OF PILE FOUNDATION PLANNING IN THE CONSTRUCTION OF THE PKK - DEKRANASDA BUILDING IN MAKASSAR CITY GEDE SUMANTRA; ACHMAD PAHRUL RODJI; SAHAT MARTUA SIHOMBING
INTERNATIONAL JOURNAL OF MULTI SCIENCE Vol. 5 No. 01 (2025): INTERNATIONAL JOURNAL OF MULTISCIENCE - JANUARY-APRIL 2025
Publisher : CV KULTURA DIGITAL MEDIA

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Abstract

Concrete consists of cement, sand, gravel and water, with cement being the main binder that affects its quality. However, the increasing cost of raw materials and the environmental impact of lime mining and sand dredging are challenges in construction. To address this, the study proposed the use of bamboo fiber as an environmentally friendly and economical additive. This study tested the variation of 0%, 10%, and 15% pulung bamboo fiber waste on the compressive strength of concrete. The results showed that normal concrete without bamboo fiber had a compressive strength of 452 kN (fc' 26.08 MPa). The addition of 10% bamboo fiber decreased the compressive strength to 404 kN (fc' 23.32 MPa), while the addition of 15% decreased it further to 393 kN (fc' 22.68 MPa). The more bamboo fiber added, the more the compressive strength of the concrete decreased.
Analisis Penggunaan Limbah Serbuk Granit Sebagai Pengganti Sebagian Agregat Halus Pada Kuat Tekan Beton Aditya Maulana; Achmad Pahrul Rodji; Yonas Prima Arga Rumbyarso
Nusantara Journal of Multidisciplinary Science Vol. 3 No. 1 (2025): NJMS - Agustus 2025
Publisher : PT. Inovasi Teknologi Komputer

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Abstract

Beton merupakan salah satu material struktur yang banyak digunakan pada konstruksi bangunan, jembatan, jalan, dan sebagainya. Pengembangan material beton terus dilakukan, salah satunya melalui inovasi pemanfaatan limbah industri sebagai bahan substitusi agregat, dengan tujuan meningkatkan mutu beton sekaligus mengurangi dampak lingkungan. Penelitian ini bertujuan untuk menganalisis nilai kuat tekan beton dengan memanfaatkan limbah serbuk granit sebagai substitusi sebagian agregat halus sebesar variasi 0%, 9%, dan 13% dengan mutu beton f’c 25 (Mpa) setara k 300. Umur pengujian dilakukan pada 7, 14, dan 28 hari. Penelitian dilaksanakan menggunakan metode eksperimen di Laboratorium Beton PT. Pionirbeton Industri, Karawang Timur. Hasil pengujian kuat tekan rata-rata beton normal tanpa campuran limbah serbuk granit 0% menghasilkan kuat tekan beton sebesar 18,94 Mpa (7 hari), 23,16 Mpa (14 hari), 27,86 Mpa (28 hari). Beton dengan substitusi serbuk granit sebesar 9% menghasilkan kuat tekan beton sebesar 17,93 Mpa (7 hari) , 22,06 Mpa (14 hari), dan 22,23 Mpa (28 hari). Sedangkan pada variasi 13% diperoleh kuat tekan beton sebesar 17,05 Mpa (7 hari), 22,08 Mpa (14 hari), dan 22,69 Mpa (28 hari). Berdasarkan hasil tersebut, kuat tekan pada variasi 9% dan 13% menunjukkan penurunan kekuatan. Kesimpulan dengan penambahan limbah serbuk granit sebagai pengganti sebagian agregat halus mempengaruhi turunnya mutu beton yang direncanakan
Penambahan Serbuk Kayu Kamper terhadap Kuat Tekan Beton Lydia Darmiyanti; Gali Pribadi; Achmad Pahrul Rodji
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 9 No 2 (2021): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v9i2.2861

Abstract

Sawdust waste from the furniture industry should be considered. Nowadays, the increased demand for furniture is in line with the increase in sawdust waste produced. Therefore, it is necessary to make use of sawdust to protect environment. An alternative use is the addition of sawdust as the concrete mixture. Cellulose and hemicellulose compounds are compounds contained in wood powder, where these compounds can provide additional bonding between particles in the cement and sand mixture in concrete. Therefore, concrete can be stronger as well as more water resistant, hence it can be used for a specific purpose in constructions. This study aims to analyze the compressive strength of concrete due to the addition of sawdust as an organic fiber in the concrete mixture with the percentage of 0.25%, 0.50%, 0.75% and 1% as substitution of sand. Organic fibers as additives in concrete are being developed until recently. The proposed concrete was 25 MPa quality. Result showed the increase in the compressive strength of concrete by 0.98% in 1% wood powder mixed at 28 days of concrete age.
Pelatihan Komposting Teknologi Tepat Guna dalam Reduksi Sampah Organik Kampus Gita Puspa Artiani; Achmad Pahrul Rodji; Sukadi Sukadi; Indriasari Indriasari; Ajat Zatmika; Sutaryo Sutaryo; Reny Savitri; Zefri Zefri; Nazaruddin Khuluk; Rishki Nugraha; Rifqi Maulana; Azka Iqbaal Pratama; Gea Angkasa Irianto Nugroho
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 3 (2026): Abdira
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i3.2182

Abstract

The accumulation of organic waste in urban areas triggers overcapacity at the Sumur Batu Landfill and causes air pollution due to open burning. This community service activity aims to educate the university community on reducing leaf waste at the source through a composting pilot project at the Faculty of Engineering, Universitas Krisnadwipayana. The methods applied encompass a sociotechnological approach consisting of community education, technical composting training guided by speakers from the North Bekasi District Environmental Health Department (UPTD LH), and the diffusion of science and technology. The starter formulation utilized a mixture of 1 cap of EM4, 1 cap of molasses, and 10 liters of fresh water, followed by an anaerobic fermentation process for 25 days. The results demonstrated a successful collaborative integration of lecturers and students across multiple departments (Civil Engineering, Mechanical Engineering, Architecture, and Urban and Regional Planning) in producing ready-to-use organic fertilizer applied to the campus's productive trees. In conclusion, managing waste independently from its source is crucial as a tactical solution to reduce regional ecological burdens while creating a clean, healthy, and sustainable campus ecosystem.
Upaya Konservasi Lingkungan Kampus melalui Gerakan Penanaman Pohon untuk Mewujudkan Green Campus Achmad Pahrul Rodji; Gita Puspa Artiani; Sukadi Sukadi; Indriasari Indriasari; Ajat Zatmika; Sutaryo Sutaryo; Nazaruddin Khuluk; Tiara Andiani; Aisyahqi Ramadhani Putri Kurniawan
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 6, No 2 (2026): Abdira
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v6i2.1503

Abstract

The increase in pollution and micro temperatures within the Universitas Krisnadwipayana (UNKRIS) campus environment requires concrete solutions through the optimization of green open spaces. This community service aims to reforest the campus while strengthening local food security by planting productive trees. The methods used include community education on environmental conservation, planting technique training, and science and technology diffusion through the planting of 50 Multipurpose Tree Species (MPTS) seedlings, such as miki avocado, arumanis mango, breadfruit, citra water apple, and citrus. The results show a significant increase in academic community awareness and improvement in the campus's physical environmental quality. Collaboration with agricultural experts ensures the sustainable growth of the plants. In conclusion, the integrated planting of shaded and productive trees creates a cooler and more food-independent campus ecosystem. This activity is vital as a pilot model for educational institutions in supporting the sustainable development agenda and collective responsibility for earth's sustainability.
Co-Authors Abda Abda Aditya Maulana Ahmad Supriyatna Aisyahqi Ramadhani Putri Kurniawan Ajat Zatmika Al Muzamil Ali Khumaidi Asaddulah Mumtaz Azka Iqbaal Pratama DANIEL SIMATUPANG Deby Marc Handoyo DEDY RAMADHAN FADLUL ADLI Ferry Anggriawan Gali Pribadi Gea Angkasa Irianto Nugroho GEDE SUMANTRA Gita Puspa Artiani Hudzaifah Al jihad Indriasari Indriasari Indriasari Indriasari Lydia Darmiyanti Mochammad Risky Ramadhan Muhammad Fahmi Tri Susilo Nazaruddin Khuluk Novi Ruhviyanti Novi Rukhviyanti Novrihan Tanjung PANDU ARIFIN Parlindungan Panjaitan Qawi Ayadillah Hariyanto Reny savitri Rifky Arrahman Rifqi Maulana Rishki Nugraha Sahat Martua Sihombing Sahat Martua Sihombing Sepryhatin Dioputra Sukadi Sukadi Sukadi Sutaryo Sutaryo Tiara Andiani Wargijono Utomo Yonas Prima Arga Rumbyarso Zefri Zefri