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Oktarina, Devi
Prodi Teknik Sipil, Fakultas Teknik, Universitas Malahayati Jl. Pramuka No. 27, Kemiling, Bandar Lampung 35153
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ANALISIS LOADING PROFILE BUS RAPID TRANSIT (BRT) TRANS BANDAR LAMPUNG (Studi Kasus : Trayek Rajabasa – Sukaraja) Oktarina, Devi; Dharmawan, Weka Indra
Jurnal Rekayasa Teknologi dan sains Vol 4, No 1 (2020): Jurnal Rekayasa, Teknologi, dan Sains
Publisher : Fakultas Teknik Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jrets.v4i1.2501

Abstract

 ABSTRAKAngkutan umum yang beroperasi di Bandar Lampung sudah cukup banyak jumlahnya, salah satunya adalah angkutan umum bus rapid transit (BRT) trans Bandar Lampung dengan trayek Rajabasa-Sukaraja. Seberapa besar pengguna anggutan umum Bus Rapid Transit (BRT) Trans Bandar Lampung dapat diketahui dengan melakukan kajian Loading Profile yang merupakan penggambaran grafik besar kecilnya jumlah penumpang didalam kendaraan pada setiap pemberhentian satu trip. Penelitian yang dilakukan adalah penelitian deskriftif melalui kegiatan survey dengan surveyor berada didalam angkutan umum BRT rute trayek Rajabasa-Sukaraja kemudian menghitung para responden (Penumpang BRT) untuk memperoleh data yang di inginkan sebagai langkah awal dalam tahap pengolahan data. Survey dilakukan pada hari senin perwakilan hari kerja, hari sabtu dan hari minggu mewakili hari libur. Hasil survey naik turun penumpang BRT trayek Rajabasa – Sukaraja maupun Sukaraja – Rajabasa bervariasi dari penumpang jarak dekat maupun penumpang jarak jauh. Hasil penelitian diperoleh Travel Time untuk perjalanan satu rit yaitu 2 jam 3,5 menit, nilai Headway rata-rata 15 menit dan Load Factor trayek Rajabasa – Sukaraja yaitu hari senin 59,33 %, hari sabtu 54,41 % dan hari minggu 24,23 %, sedangkan untuk trayek Sukaraja – Rajabasa hari senin 81,68 %, hari sabtu 94,19 % dan minggu 29,03 %. Kata kunci: bus rapid transit (BRT), kapasitas muatan, waktu perjalanan, waktu antara ABSTRACT The Analysis Of Loading Profile Bus Rapid Transit (BRT) Trans Bandar Lampung (Case Study: Rajabasa Route - Sukaraja). Public transportation that operates in Bandar Lampung enough numerous, one is public transport Bus Rapid Transit (BRT) trans Bandar Lampung with Rajabasa-Sukaraja route. How big public transport passenger Bus Rapid Transit (BRT) trans bandar lampung were identified with conduct a study loading profile that is the depiction of a chart the size of the number of passengers in a vehicle on every dismissal of one trip. The research conducted is descriptive research through survey activities with surveyors located in the BRT transport route on the Rajabasa-Sukaraja route and then counting the respondents (BRT Passengers) to obtain the desired data as a first step in the data processing stage. The survey is carried out on Monday representative working days, Saturdays and Sundays representing holidays. Survey results of the ups and downs of Rajabasa - Sukaraja and Sukaraja - Rajabasa BRT route passengers vary from short-distance and long-distance passengers. Survey results of the ups and downs of Rajabasa - Sukaraja and Sukaraja - Rajabasa BRT route passengers vary from short-distance and long-distance passengers. The results obtained by Travel Time for one trip trip are 2 hours 3.5 minutes, the average Headway value of 15 minutes and the Load Factor of the Rajabasa - Sukaraja route are Monday 59.33%, Saturday 54.41% and Sunday 24, 23%, while for the Sukaraja - Rajabasa route Monday is 81.68%, Saturday is 94.19% and Sunday is 29.03%. Keywords: bus rapid transit (BRT), load factor, travel time, headway
PENTINGNYA SISTEM PENCAHAYAAN DAN SIRKULASI UDARA DALAM RUMAH TINGGAL GUNA MENJAGA KESEHATAN LINGKUNGAN Dewi Fadilasari; Devi Oktarina; Rina Febrina; Anwar, Anang Khoiril; Dwi Sindi Sabilla; Febi Ayu Kurniasih; Day Robbi, Nucka Ahmad; Sawalia, Tri Handini
Nemui Nyimah Vol. 4 No. 1 (2024): Nemui Nyimah Vol.4 No.1 2024
Publisher : FT Universitas Lampung

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

Abstract

Rumah sehat dan nyaman tidak hanya ditentukan oleh kualitaspencahayaan tetapi juga sirkulasi udaranya. Agar distribusi udara berjalan baik, ruangan harus didukung sistem ventilasi yang baik. Sirkulasi udara adalah proses pergantian udara di dalam ruangan dengan memasukkan udara dari luar dan membuang udara di dalam. Rumah butuh aliran udara yang memadai. Caranya dengan menciptakan ventilasi udara yang tepat. Namun belakangan ini banyakorang cenderung mengabaikan ventilasi udara khususnya di Kelurah Karang Maritim, Panjang Bandar Lampung, padahal ventilasi udara yang benar akan membuat rumah lebih sehat. Hal ini terjadi karena kebanyakan dari mereka tidak menyaari bahwa polusi tidak hanya berasal dari luar, tetapi bisa juga berasal dri dalam rumah, contohya: asap rokok, bakteri, karbon dioksida, kompor, dll. Kualitas udara yang buruk berisiko menyebabkan beragam gangguan kesehatan, seperti batuk, sakit tenggorokan, mata berair, atau sesak napas. Untukmeminimalkan risiko-risiko buruk di atas, maka perlu penempatan ventilasi disertai dengan jendela untuk membebaskan udara masuk kedalam ruangan.
Optimization of Environmentally Friendly Material Selection for Automotive Mechatronics Components Using LCA Data and Multi‑Criteria Decision Making (MCDM) Ibrahim, Fauzi; Marjuni, Teuku; Febrina, Rina; Oktarina, Devi; Natalina, Natalina; Ergantara, Rani Ismiarti; Sulistyaningrum, Diah Ayu Wulandari
JEECS (Journal of Electrical Engineering and Computer Sciences) Vol. 10 No. 2 (2025): JEECS (Journal of Electrical Engineering and Computer Sciences)
Publisher : Fakultas Teknik Universitas Bhayangkara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54732/jeecs.v10i2.8

Abstract

The automotive industry faces an increasing demand for sustainable material selection as mechatronic components become more widespread in electrified vehicles. However, data-driven material selection approaches that simultaneously integrate environmental, economic, and technical criteria without laboratory experiments remain underdeveloped. This study addresses this gap by developing a computational framework that combines Life Cycle Assessment (LCA) with a Multi-Criteria Decision-Making (MCDM) approach, specifically the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method, using Analytical Hierarchy Process (AHP)–based weights. The framework enables a transparent and reproducible evaluation of environmentally friendly materials for automotive mechatronic components. A case study on an actuator housing evaluates seven material alternatives: Al 6061 (die-cast), recycled Al (die-cast), Mg AZ91 (die-cast), PA6-GF30 (injection), PBT-GF30 (injection), PA12 (SLS 3D print), and bio-based PBT-GF30 (injection). The criteria include total global warming potential (GWP), cumulative energy demand (CED), water use, recyclability, cost, mass, stiffness index, thermal conductivity, and supply risk. Results show that recycled aluminum achieves the highest ranking (closeness coefficient = 0.939), followed by Al 6061 (0.727) and Mg AZ91 (0.547). A Monte Carlo analysis with 1,000 iterations confirms that recycled aluminum consistently remains the best option with 100% robustness under varying weighting conditions. The proposed workflow is replication-ready and can be directly integrated with established LCA databases such as GREET, Ecoinvent, or EPD, enabling engineers to perform sustainable and quantitative material decisions using only data and computational analysis.
Peningkatan pengetahuan tentang kewirausahaan di pondok pesantren Al Firdaus Erna Listyaningsih; Dina Dwi Nuryani; Natalina Natalina; Ade Maria Ulfa; Devi Oktarina
JOURNAL of Public Health Concerns Vol. 4 No. 6 (2025): JOURNAL of Public Health Concerns
Publisher : Indonesian Public Health-Observer Information Forum (IPHORR) Kerja sama dengan: Unit Penelitian dan Pengabdian Kep Akademi Keperawatan Baitul Hikmah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56922/phc.v4i6.757

Abstract

Background: One of the challenges faced by Indonesia in global competition is improving the quality of its human resources. The formal and non-formal education sectors also have a very significant role in creating its human resources. Islamic boarding schools are one of the Islamic-based educational communities that have developed quite significantly in Indonesia. Islamic boarding schools as educational institutions have long played a role in shaping the character and knowledge of the young generation in Indonesia. The young generation who have received formal education in Islamic boarding schools should be equipped with expertise or at least have entrepreneurial skills as a form of support in providing a quality generation in the future. A generation that has the ability and has an entrepreneurial spirit will greatly assist in achieving economic growth regionally and nationally. In general, there are still many Islamic boarding schools that have not included an entrepreneurship curriculum in their learning system. Purpose: Providing education about entrepreneurship to students with the aim of improving their abilities to become a generation with an entrepreneurial spirit. Method: This community service activity was held in October 2024 at the Al Firdaus Islamic Boarding School in Kemiling Village, Bandar Lampung City with 89 students with the target of the activity to provide education about the importance of entrepreneurship and its benefits. The education provided is knowledge, insight, understanding, literacy about the basic concepts of entrepreneurship related to managing the environment around the Islamic boarding school such as utilizing organic and inorganic waste into something of economic value. Results: Participants gain knowledge in managing the environment related to waste problems and the participants are also enthusiastic in participating in the activities, listening carefully to the material presented, asking questions and having interactive discussions with the service team during the activity until the end. The participants also get comprehensive solutions about entrepreneurship in addition to managing waste in maintaining environmental health. The implementation of the activity went very well and received a good response in the form of ideas and innovations from the participants. Conclusion: Education to increase knowledge about entrepreneurship can develop the spirit of entrepreneurship, increase literacy, competence, and creativity in the mindset of students. Suggestion: Provide entrepreneurial assistance in Islamic boarding schools to improve the spirit, enthusiasm and entrepreneurial competence of the students of the Al Firdaus Islamic Boarding School so that they will get graduates who have more value, especially knowledge about entrepreneurship and managing environmental health. Keywords: Education; Entrepreneurship; Environmental health; Islamic boarding school Pendahuluan: Salah satu tantangan yang dihadapi Indonesia dalam kompetisi global adalah peningkatan kualitas sumber daya manusianya. Sektor pendidikan formal dan nonformal juga memiliki peranan yang sangat signifikan terhadap penciptaan sumber daya manusianya. Pondok pesantren (Ponpes) adalah salah satu komunitas pendidikan berbasis Islam yang cukup besar perkembangannya di Indonesia. Pondok pesantren sebagai lembaga pendidikan yang telah lama berperan dalam membentuk  karakter  dan  pengetahuan  generasi  muda  di  Indonesia. Generasi muda yang sudah mendapatkan pendidikan formal dikalangan pondok pesantren sebaiknya dilengkapi dengan keahlian atau setidaknya memiliki ketrampilan kewirausahaan sebagai bentuk dukungan dalam penyediaan generasi berkualitas di masa depan. Generasi yang memiliki kemampuan dan memiliki jiwa kewirausahaan akan sangat membantu pencapaian pertumbuhan ekonomi secara regional maupun nasional. Pada umumnya masih banyak pondok pesantren yang belum memasukkan kurikulum kewirausahaan ke dalam sistem pembelajarannya. Tujuan: Memberikan edukasi tentang kewirausahaan pada santri dengan sasaran meningkatkan kemampuan diri menjadi generasi yang memiliki jiwa entrepreneur. Metode: Kegiatan pengabdian kepada masyarakat ini diselenggarakan pada bulan Oktober 2024 di Ponpes Al Firdaus di Kelurahan Kemiling Kota Bandar Lampung dengan jumlah santri sebanyak 89 santri dengan sasaran kegiatan memberikan edukasi tentang pentingnya kewirausahaan dan manfaatnya. Edukasi yang diberikan adalah pengetahuan, wawasan, pemahaman, literasi tentang konsep dasar wirausaha yang berkaitan dengan mengelola lingkungan sekitar ponpes seperti pemanfaatan sampah organik dan anorganik menjadi sesuatu yang bernilai ekonomis. Hasil: Peserta mendapatkan pengetahuan dalam mengelola lingkungan terkait dengan masalah sampah dan para peserta juga antusias mengikuti kegiatan, menyimak dengan baik dari materi yang disampaikan, mengajukan pertanyaan dan diskusi interaktif dengan tim pengabdian selama kegiatan berlangsung sampai akhir. Para peserta juga mendapatkan solusi komprehensif tentang kewirausahaan selain dari mengelola sampah dalam menjaga kesehatan lingkungan. Pelaksanaan kegiatan berjalan dengan sangat baik dan mendapatkan respon baik berupa munculnya ide dan inovasi dari para peserta. Simpulan: Edukasi peningkatan pengetahuan tentang kewirausahaan dapat mengembangkan semangat jiwa wirausaha, meningkatkan literasi, kompetensi, kreativitas pola pikir para santri. Saran: Memberikan pendampingan kewirausahaan di pondok pesantren  untuk  meningkatkan  jiwa,  semangat  dan  kompetensi  kewirausahaan  para santri Pondok Pesantren Al Firdaus  sehingga  akan mendapatkan lulusan santri yang memiliki  nilai lebih terutama pengetahuan tentang kewirausahaan dan mengelola kesehatan lingkungan.
Pengaruh Lamanya Pengadukan Pasta Beton Terhadap Nilai Slump Dan Kuat Tekan (Studi Kasus Pada Beton Normal f’c 24 MPa) Alif Candra Ghofar Wardana MP; Arminsyah Gumay; Devi Oktarina
Journal of Research in Social Science and Humanities Vol 4, No 2 (2024)
Publisher : Utan Kayu Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47679/jrssh.v4i2.76

Abstract

Normal concrete is concrete that uses natural aggregates that are broken or unbroken and does not use additives. In the field of concrete mixing, there are those who use machines and conventionally.  This research is to study the slump value of stirring time and the relationship between slump value and compressive strength of concrete. This research includes a type of experimental research, because it is trying to find new things that can be utilised in the research results. With cylindrical test objects measuring 15 × 30 cm according to SNI testing standards. The research was conducted with 5 variable stirring times, namely, ½ minute, 1, 1 ½, 2, and 2 ½ minutes. As well as the plan compressive strength for the plan age of 14, and 28 days, namely, f'c 24 Mpa. Using a plan slump of 10±2 cm. From the results of this study, the effect of the length of time stirring the concrete paste can make the concrete slump value high. The concrete is difficult to work with, which can be influenced by the cement water factor, aggregate size, aggregate absorption of water, and mixing time. The high slump value is followed by a decreased compressive strength value of the concrete. So that fresh concrete experiences an increase in the levelling value. Therefore, high slump values can affect the quality of concrete.
Optimization of Environmentally Friendly Material Selection for Automotive Mechatronics Components Using LCA Data and Multi‑Criteria Decision Making (MCDM) Fauzi Ibrahim; Teuku Marjuni; Rina Febrina; Devi Oktarina; Natalina Natalina; Rani Ismiarti Ergantara; Diah Ayu Wulandari Sulistyaningrum
JEECS (Journal of Electrical Engineering and Computer Sciences) Vol. 10 No. 2 (2025): December
Publisher : Fakultas Teknik Universitas Bhayangkara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54732/jeecs.v10i2.8

Abstract

The automotive industry faces an increasing demand for sustainable material selection as mechatronic components become more widespread in electrified vehicles. However, data-driven material selection approaches that simultaneously integrate environmental, economic, and technical criteria without laboratory experiments remain underdeveloped. This study addresses this gap by developing a computational framework that combines Life Cycle Assessment (LCA) with a Multi-Criteria Decision-Making (MCDM) approach, specifically the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method, using Analytical Hierarchy Process (AHP)–based weights. The framework enables a transparent and reproducible evaluation of environmentally friendly materials for automotive mechatronic components. A case study on an actuator housing evaluates seven material alternatives: Al 6061 (die-cast), recycled Al (die-cast), Mg AZ91 (die-cast), PA6-GF30 (injection), PBT-GF30 (injection), PA12 (SLS 3D print), and bio-based PBT-GF30 (injection). The criteria include total global warming potential (GWP), cumulative energy demand (CED), water use, recyclability, cost, mass, stiffness index, thermal conductivity, and supply risk. Results show that recycled aluminum achieves the highest ranking (closeness coefficient = 0.939), followed by Al 6061 (0.727) and Mg AZ91 (0.547). A Monte Carlo analysis with 1,000 iterations confirms that recycled aluminum consistently remains the best option with 100% robustness under varying weighting conditions. The proposed workflow is replication-ready and can be directly integrated with established LCA databases such as GREET, Ecoinvent, or EPD, enabling engineers to perform sustainable and quantitative material decisions using only data and computational analysis.
Analisis Efektifitas Zona Selamat Sekolah (ZOSS) Di Kota Bandar Lampung (Studi Kasus: SDN 1 Langkapura, SDN 2 Langkapura, SDN 5 Talang dan SDN 1 Gulaku Galik) Weka Indra Dharmawan; Tri Surya Priyanti; Karlia Dirangga; Devi Oktarina
Jurnal Bangunan, Konstruksi & Desain Vol 4 No 1 (2026): Maret 2026
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.4.1.54-70.2026

Abstract

ZoSS merupakan fasilitas jalan yang dirancang untuk mengatur kecepatan kendaraan di depan sekolah guna menjamin keselamatan siswa dan pengguna jalan lainnya. Tujuan penelitian ini adalah menganalisis tingkat pelayanan jalan di area ZoSS dan mengetahui efektivitas penerapan ZoSS dalam menurunkan kecepatan kendaraan di sekitar sekolah. Metode yang digunakan yaitu pendekatan kuantitatif dengan pengumpulan data primer dan data sekunder melalui dua metode yaitu Pedoman Kapasitas Jalan Indonesia (PKJI 2023) dan statistik uji Z. Penelitian dilakukan di empat sekolah pada pagi hari pukul 06.00 – 08.00 WIB dan siang hari pukul 10.00 – 12.00 WIB. Dari hasil penelitian penelitian menunjukkan bahwa derajat kejenuhan di SDN 1 Langkapura sebesar 0,27., SDN 2 Langkapura sebesar 0,22., dan SDN 5 Talang sebesar 0,29 dari hasil ke tiga derajat kejenuhan pada tiga lokasi tersebut dapat digolongkan sebagai Tingkat Pelayanan B (arus stabil, kecepatan mulai terbatas), sedangkan pada SDN 1 Gulak Galik didapat nilai derajat kejenuhan sebesar 0,45 dan dapat digolongkan sebagai Tingkat Pelayanan C (arus stabil, tetapi kecepatan dan gerak kendaraan dikendalikan). Penerapan ZoSS di keempat lokasi sekolah sekolah dasar tersebut tergolong sangat efektif, yaitu 94,04% di SDN 1 Langkapura, 89,36% di SDN 2 Langkapura, 92,91% di SDN 5 Talang, dan 88,89% di SDN 1 Gulak Galik. Hal ini mengindikasikan bahwa pengendara memiliki kesadaran tinggi untuk mengurangi kecepatan di kawasan sekolah, sehingga ZoSS berhasil meningkatkan keselamatan.
Co-Authors Adithia Brilianto Agung Aji Perdana Agus Darmawan agus darmawan Akbar, Aldharin Rizky ALFIARINI, ALFIARINI Alif Candra Ghofar Wardana MP Anwar, Anang Khoiril Apriyanto, Agus Arminsyah Gumay Aryanti Asmariyadi, Dafa Celvin, Raid Chrisanto, Eka Yudha Day Robbi, Nucka Ahmad Dewi Fadilasari Diah Ayu Wulandari Sulistyaningrum Diah Ayu Wulandari Sulistyaningrum Dina Dwi Nuryani Dina Dwi Nuryani Dirangga, Karlia Dwi Sindi Sabilla Edi Purwanto Edi Purwanto Ergantara, Rani Ismiarti Erlangga, Deni Erna Listyaningsih Fauzi Ibrahim Febi Ayu Kurniasih Febrina, Rina Fuji Lestari Gumay, A Gumay, Arminsyah Habsyi, M Alfi Al Hanif Syahroni Ibrahim, Fauzi Ika, Nurika Aulia Juansyah, Yan KA, Anang Karlia Dirangga Krisnanda, Rico Kusuma, Alan Mei Lolita Sary Maria Ulfa, Ade Mariana Safitri, Mariana Marjuni, Teuku Mentiring, Benny Muhammad Zulfiqar Muhani, Nova Mulyado, Riski Natalina Natalina Natalina Natalina Oktavia, Amelia Olyvia Ayu P Otimah, Otimah Pratiwi Pratiwi Qodiron, Lailatul Qoli Paundra Rendi, Ketut Rian Pebri Rina Febrina Rina Febrina, Rina Rudiansyah S, Tri Handini Saputra, Ariyan Sawalia, Tri Handini Septianto, Mendi Setiawati Setiawati Siti Hasanah Surya Sebayang Teuku Marjuni Tiara Fatrin Tri Surya Priyanti Weka Indra Dharmawan Weka Indra Dharmawan Wibowo, Tito Catur Wisman, Mira Wulan Permata Sari Yogi Primadasa Yona Sari