Article Per Year (5 Year)
p-Index From 2021 - 2026
3.657
P-Index
This Author published in this journals
All Journal JURNAL SISTEM INFORMASI BISNIS Jurnal Teknik Sipil dan Perencanaan Jurnal Teknik Sipil Prosiding Forum Studi Transportasi Antar Perguruan Tinggi JURNAL PROFESI KEGURUAN Civil Engineering Dimension Angkasa: Jurnal Ilmiah Bidang Teknologi Social, Humanities, and Educational Studies (SHEs): Conference Series Menara: Jurnal Teknik Sipil Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Teknologi Transportasi dan Logistik REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Jurnal Bina Desa Eduvest - Journal of Universal Studies Jurnal Abdimas Jurnal Penelitian Transportasi Darat
Alfa Narendra
Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Semarang (UNNES)
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Neuroscience Public Health Social Sciences Transportation Other

Published : 39 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 39 Documents
Search

 1   2   3   4 
Investigation of Traffic Characteristics and Arrival Patterns at Pertashop in Suburban Area of Semarang City Lestari, Mutia Ayu; Hermawan, Ferry; Narendra, Alfa
Jurnal Sistem Informasi Bisnis Vol 15, No 3 (2025): Volume 15 Number 3 Year 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/vol15iss3pp414-420

Abstract

Pertashop, developed by PT. Pertamina, is a small-scale gas station business designed to meet the fuel needs of vehicles in suburban areas while maintaining fuel quality. Variations in land use functions can lead to different travel attractions, leading to varied arrival patterns and potential traffic flow disruptions, thus impacting road quality around Pertashop locations. This study seeks to investigate the traffic characteristics and arrival patterns at small-scale gas stations such as Pertashop, providing a basis for development planning and optimizing services in the suburban areas of Semarang City. Using qualitative and quantitative descriptive research methods, the study analyzes the relationship between land use factors and traffic characteristics on Pertashop vehicle service patterns. The findings indicate that the traffic flow around Pertashop follows the Underwood model, demonstrating that vehicles entering Pertashop hinder the traffic flow on surrounding roads.
Analisis Deskriptif Kualitatif Asal-Tujuan Perjalanan Penumpang AKDP (Studi Kasus BPSPP Wilayah VI) Aditiya, Wahyu; Kinasih, Prawita Dewi Sekar; Narendra, Alfa
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 16, No 1 (2024): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v16i1.2089

Abstract

Salah satu usaha untuk  menciptakan sistem transportasi yang baik yaitu, dengan cara memahami pola pergerakan. Pola berupa asal tujuan, dan waktu terjadinya perjalanan. Objek penelitian ini adalah bus Antar Kota Dalam Provinsi (AKDP) di Balai Pengelola Sarana Prasarana Perhubungan (BPSPP) Wilayah VI. Penelitian ini bertujuan untuk mengetahui sebaran pergerakan, dan kinerja angkutan Trayek (1) Pekalongan-Wiradesa-Comal, (2) Pekalongan-Wiradesa-Bojong-Kajen, dan (3) Pekalongan-Kedungwuni-Kajen. Analisis menggunakan metode analisis deskriptif kualitatif. Hasil analisis menunjukkan bahwa sebaran pergerakan di Trayek Pekalongan-Wiradesa-Comal didominasi perjalanan antar zona dari Kecamatan Comal menuju Kecamatan Tirto dengan waktu sibuk pukul 06:00 – 09:00 WIB. Pada Trayek Pekalongan-Wiradesa-Bojong-Kajen didominasi perjalanan intrazona yaitu di Kecamatan Bojong, dengan waktu sibuk pukul 12:00 – 16:00 WIB. Sedangkan Trayek Pekalongan-Kedungwuni-Kajen didominasi perjalanan antar zona dari Kecamatan Kedungwuni menuju Kecamatan Wonopringgo dengan waktu sibuk pukul 06:00 – 09:00 WIB. Berdasarkan Pedoman Teknis Penyelenggaraan Angkutan Penumpang Umum Di Wilayah Perkotaan Dalam Trayek Tetap dan Teratur, kinerja angkutan tergolong baik
Design and Construction of the Al-Qur'an Education Park at the At-Taqwa Mosque, Demak: Improving Religious Education Infrastructure in Kebon Batur Village Narendra, Alfa; Sutarto, Agung; Siswoyo, Mohammad Pujo; Haryadi, Bambang
Jurnal Abdimas Vol. 28 No. 2 (2024): December 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/xs455w22

Abstract

This community service project aims to design the Al-Qur'an Education Park (TPQ) at the At-Taqwa Mosque, Kebon Batur Village, Demak, to provide facilities that support religious education for local children. The At-Taqwa Mosque was chosen as the location because it plays an important role in religious development in the area, but currently still has limited facilities to support adequate TPQ activities. Through a participatory approach involving the local community, discussions, field observations, and designs based on educational building standards were carried out. The result of this activity is a safe, functional, and environmentally friendly TPQ design, which is expected to be a guideline for the development of sustainable religious education facilities.
Feeder Transportation Route Evaluation based on Origin-Destination Analysis and Land Function (Case Study of Trans Semarang Feeder 1A, Indonesia) Khosy, Hadyan Al-Muhith; Setiadji, Bagus Hario; Narendra, Alfa
Civil Engineering Dimension Vol. 28 No. 1 (2026): MARCH 2026
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.28.1.46-53

Abstract

The Route modification for the Trans Semarang feeder line 1 resulted in the creation of feeder line 1A. To evaluate the effectiveness of this change in addressing critical community needs, an analysis was conducted. This study utilized passenger boarding and alighting data obtained through origin-destination surveys, combined with land use data from the Google Earth application. Findings revealed inconsistencies and fluctuations when comparing passenger movement patterns with land use values. The feeder transportation function was deemed effective, with the highest proportion of passengers (23.53%) boarding at the transit shelter. Conversely, the segment between Jalan Perkebunan and Desa Ngadirgo shelters exhibited the lowest passenger volume, attributed to long distances between shelters, extensive forested and plantation areas, and a one-way route. These factors suggest potential benefits of rerouting. Further research is recommended to comprehensively evaluate the broader implications of such modifications.
Evaluasi Kinerja Operasional BRT Trans Jateng Koridor 1 dan 6: Pendekatan Faktor Muat (Load Factor) Narendra, Alfa; Y. Irnizarifka, Ardhiatma; Anisa, Fitri; Z. Hasanah, Ghaida; I. Fatati, Herlingga; H. Falakh, Maulana; Puspitasari, Pipit; Zulianti, Rizka; R. Auzia, Rohadatu; Husniyah, Tamimatul; A. Khairunisa, Ufaira; P. Sari, Yesi
REKONSTRUKSI TADULAKO: Civil Engineering Journal on Research and Development Vol. 7 Issue 1 (March 2026)
Publisher : Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/renstra.v7i1.818

Abstract

The implementation of pilot Bus Rapid Transit (BRT) systems in metropolitan agglomerations, such as Trans Jateng, plays a pivotal role in providing affordable public transportation, enhancing regional connectivity, and fulfilling Minimum Service Standards (MSS). This study evaluates the operational performance of two specific Trans Jateng corridors: Corridor 1 (Semarang – Bawen) and Corridor 6 (Semarang – Grobogan). The primary focus of this research is the analysis of time-series load factor data to assess bus performance. Data were gathered through on-board surveys utilizing Global Positioning System (GPS) devices and structured survey instruments. The data collection was conducted over a period of two weekdays and one weekend day. The analytical results indicate that both corridors experience significant kelebihan penumpang during peak hours, with load factors exceeding 170% in Corridor 1 and 110% in Corridor 6. Furthermore, this study identifies distinct fluctuations in passenger demand patterns between weekdays and weekends, as well as variations between individual trips within the same corridor. The findings reveal a notable disparity in average load factors. In Corridor 1 during weekdays, the load factor for the Semarang – Bawen route was 55.73%, while the Bawen – Semarang route reached 38.81%; on weekends, these figures shifted to 60.46% and 40.03%, respectively. In Corridor 6, the weekday load factor for the Semarang – Godong route was 46.05% and 39.25% for the reverse direction, whereas weekend figures were recorded at 51.49% and 34.68%. Given that the ideal minimum load factor is 70%, more systematic operational management is necessitated to maintain optimal service performance. Proposed recommendations include the dynamic adjustment of fleet size to align with demand levels—particularly during peak periods—and the implementation of more adaptive capacity management strategies. Such measures are intended to regulate load factors during high-demand intervals, enhance passenger comfort, and improve the overall operational efficiency of the transit service.
Bangkitan Perjalanan Rest area Jalan Tol: Model Regresi Multivariat pada Delapan Lokasi Trans - Jawa Sutrisno, Joko; Pratikso, Pratikso; Narendra, Alfa
Jurnal Penelitian Transportasi Darat Vol. 27 No. 2 (2025): Jurnal Penelitian Transportasi Darat
Publisher : Sekretariat Badan Kebijakan Transportasi, Formerly by Puslitbang Transportasi Laut, Sungai, Danau, dan Penyeberangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25104/jptd.v27i2.2394

Abstract

Penelitian ini bertujuan mengembangkan model prediktif bangkitan perjalanan pada Tempat Istirahat dan Pelayanan (TIP) atau rest area di jalan tol Indonesia. Data primer dikumpulkan dari delapan rest area aktif di koridor tol Trans-Jawa selama enam hari pada tahun 2024, yang mencakup dua periode berbeda, yaitu Lebaran (arus puncak) dan non-Lebaran (arus reguler). Pendekatan regresi multivariat digunakan untuk mengidentifikasi variabel signifikan yang memengaruhi volume kendaraan dan durasi lama singgah pengunjung, dengan membedakan variabel deterministik—seperti luas lahan, jumlah nozel pompa SPBU, jumlah fasilitas standar dan tambahan, konektivitas, serta arah perjalanan—dan karakteristik stokastik berupa ketidakpastian waktu kedatangan kendaraan pengunjung. Model prediktif dibangun terpisah untuk kedua periode guna menangkap variasi musiman perilaku pengguna jalan tol. Selain itu, dilakukan analisis fungsi distribusi probabilitas untuk menentukan distribusi statistik paling sesuai dalam memodelkan karakteristik stokastik lalu lintas pengunjung. Model divalidasi menggunakan uji chi-square, AIC, BIC, RSME, MAE, dan MAPE untuk mendapatkan model terbaik masing-masing periode, serta dibandingkan dengan literatur dan standar teknis sebelumnya. Hasil penelitian menunjukkan bahwa pada periode Lebaran, keputusan singgah di rest area lebih dipengaruhi oleh ketersediaan SPBU bersubsidi dan kapasitas pompanya, sedangkan pada periode non-Lebaran lebih dipengaruhi oleh kelengkapan fasilitas di rest area. Pola kedatangan kendaraan ke rest area pada periode Lebaran menunjukkan fluktuasi yang jauh lebih tinggi dan mengikuti distribusi log‑normal, sedangkan pada periode non‑Lebaran pola kedatangan relatif stabil dengan sebaran yang lebih seragam (uniform). Model yang dihasilkan lebih akurat untuk kondisi di Indonesia dibandingkan dengan standar dan literatur sebelumnya. Model ini diharapkan menjadi dasar bagi standarisasi bangkitan perjalanan dan menjadi dasar pengambilan keputusan berbasis data untuk desain, pengelolaan, dan mitigasi rest area tol nasional.
BANTUAN TEKNIS PEMBUATAN SALURAN PEMBUANGAN AIR LIMBAH (SPAL) DESA PLALANGAN Togani Cahyadi Upomo; Nuraida Nuraida; Alfa Narendra; Alfita Ilyaningrum; Raysefo Hedian; Muhammad Farhan S; Muhammad Farhan
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 6 No. 4 (2025): Volume 6 No 4 Tahun 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v6i4.48603

Abstract

Desa Plalangan yang terletak di Kecamatan Gunungpati, Kota Semarang, Provinsi Jawa Tengah, masih menghadapi permasalahan sanitasi lingkungan, khususnya dalam pengelolaan air limbah rumah tangga. Berdasarkan hasil survei dan observasi lapangan, wilayah ini diketahui belum memiliki saluran pembuangan air limbah (SPAL) yang layak. Air limbah rumah tangga dibuang langsung ke tanah tanpa pengolahan, sehingga berpotensi mencemari lingkungan dan meningkatkan risiko penyebaran penyakit. Melalui kegiatan Pengabdian kepada Masyarakat, Program Studi Teknik Sipil Universitas Negeri Semarang (UNNES) berupaya merancang dan membangun SPAL yang sesuai dengan kondisi serta kebutuhan masyarakat setempat. Tujuan utama kegiatan ini adalah untuk meningkatkan kualitas sanitasi dan kesehatan lingkungan. Selain memberikan solusi teknis, kegiatan ini juga diharapkan dapat meningkatkan kesadaran masyarakat akan pentingnya pengelolaan air limbah yang berkelanjutan.
STUDY ON DETERMINING THE LOCATION FOR THE DEVELOPMENT OF A TYPE A PASSENGER TERMINAL IN TANJUNG SELOR, NORTH KALIMANTAN PROVINCE Muhammad Rafly Alief Rizqy Hariyono; Alfa Narendra
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 4 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

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

Abstract

This study aims to identify the development potential of the Tanjung Selor Type A Terminal through the mixed use development approach, which integrates transportation, commercial, and social functions. The research focuses on assessing the feasibility of the terminal from technical, economic, social, and spatial aspects, as well as formulating development strategies that are adaptive to local characteristics. The research employed a mixed method approach, combining qualitative and quantitative techniques. Primary data were collected through questionnaires, interviews, and field observations, while secondary data were obtained from spatial planning documents, demographic statistics, and transportation records. The analysis consisted of spatial assessment, SWOT analysis, and trip generation–attraction forecasting to project future travel demand. The findings indicate that the Tanjung Selor Type A Terminal has significant potential to be developed as a multifunctional hub. Strength factors include strategic location in accordance with the regional spatial plan, high accessibility, and alignment with the New Independent City development agenda. Opportunities lie in integrating local economic activities through MSMEs, trade, and public spaces. The proposed development strategy emphasizes functional zoning, multimodal integration, and a mixed use development concept that enhances connectivity, stimulates local economic growth, and creates inclusive public spaces.
Peningkatan Keterampilan Penggunaan Software Quantum Gis (QGIS) pada Kelompok Guru Geografi Madrasah Aliyah (MA) Se Kabupaten Batang Indrayati, Ariyani; Aji, Ananto; Narendra, Alfa; Setyaningsih, Wahyu; Aji, Halim Sukma
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 8, No 3 (2025): Social, Humanities, and Educational Studies (SHEs): Conference Series
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/shes.v8i3.107329

Abstract

Improving the quality of teachers must and must always be improved in order to support learning activities in schools, especially geography teachers. In geography subjects, teachers must be able to teach students directly how to make thematic maps digitally, therefore, learning in class is not only limited to theory but also directly practiced so that students can understand more easily and learning in class becomes effective. However, the conditions in the field are that teachers still experience difficulties and obstacles in teaching students how to practice making maps digitally using software. One of the obstacles faced by teachers is because the price of the software is so expensive, therefore our community service team tries to use free software (open source), namely Quantum GIS (QGIS). The development of geographic information system technology, especially software, is developing very rapidly and quickly. therefore it is important for teachers to be able to follow technological developments in the field of geographic information systems, especially Quantum GIS (QGIS) software. This community service activity aims to improve practical skills and also update the development of geographic information system technology, especially using Quantum GIS (QGIS) software in the geography teacher group in the Madrasah Aliyah environment in Batang Regency. The activity will be carried out in the form of socialization to provide knowledge for geography teachers regarding updates on the development of geographic information system technology, as well as workshop activities and practical training in data processing and digital map making using Quantum GIS (QGIS) software..Peningkatan kualitas guru harus dan wajib selalu ditingkatkan dalam rangka mendukung kegiatan pembelajaran disekolah dalam hal ini khususnya guru geografi. Pada mata pelajaran geografi guru harus mampu mengajarkan kepada siswa secara langsung bagaimana cara membuat peta tematik secara digital oleh karena itu pembelajaran dikelas bukan hanya sebatas teori namun juga langsung dipraktikan sehingga siswa lebih mudah memahami dan pembelajaran dikelas menjadi efektif. Namun kondisi dilapangan faktanya para guru masih mengalami kesusahan dan kendala dalam mengajarkan kepada siswa bagaimana praktik membuat peta secara digital menggunakan software. Kendala yag dihadapi guru salah satunya adalah karena harga software yang begitu mahal, oleh karena itu kami tim pengabdi mencoba untuk menggunakan software yang tidak berbayar (opensource) yaitu Quantum GIS (QGIS) Perkembangangan teknologi sistem informasi geografis khususnya pada software sangat berkembang pesat dan cepat. oleh karena itu hal ini menjadi penting bagi guru untuk dapat mengikuti perkembangan teknologi dibidang sistem informasi geografis khususnya software Quantum GIS (QGIS) . Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan keterampilan praktek dan juga update perkembangan teknologi sistem informasi geografis khususnya menggunakan software Quantum GIS (QGIS) pada kelompok guru geografi di lingkungan Madrasah Aliyah di Kabupaten Batang. Kegiatan akan dilaksanakan dalam bentuk sosialisasi untuk memberikan pengetahuan bagi guru-guru geografi terkait update perkembangan teknologi sistem informasi geografis, serta kegiatan workshop dan pelatihan praktek pengolahan data dan pembuatan peta digital menggunakan software Quantum GIS (QGIS).
Co-Authors A. Khairunisa, Ufaira Aditiya, Wahyu Agung Budiwirawan Agung Sutarto Aji Purwinarko, Aji Aji, Halim Sukma Alfita Ilyaningrum Ananto Aji, Ananto Anisa, Fitri Arfitriyani -, Arfitriyani Arfitriyani, Arfitriyani Arfitriyani, Arfitriyani Arie Taveriyanto, Arie Ariyani Indrayati Bagus Hario Setiadji Bambang Haryadi Bambang Riyanto Berlito Adi Winandanto Dewantara, Kandida Rahardian Dewi Pusparini, Dewi Dewi Ramadhani Dinasti, Aqilla Elza Dwi Ryan Ananta Edi Subkhan, Edi Ferry Hermawan Fitriyaningrum, Ratrie Gilang Prasojo Gini, Choirul Shaleh H. Falakh, Maulana Hasan Ma'ruf Hasan Mukhibad Henry Apriyatno Husniyah, Tamimatul I. Fatati, Herlingga Indrianingrum, Lulut Joko Sutrisno Khosy, Hadyan Al-Muhith Kinasih, Prawita Dewi Sekar Lestari, Mutia Ayu Lulut Indrianingrum Lulut Indriyaningrum, Lulut Muhammad Farhan Muhammad Farhan S Muhammad Rafly Alief Rizqy Hariyono Nuraida Nuraida P. Sari, Yesi Prasetya, Ardimas Ferdian Surya Pratikso Pratikso Puspitasari, Pipit Putri, Amanda Rosintha R. Auzia, Rohadatu Raysefo Hedian Ridho Wicaksono, Ridho Rilo Haekal Akhmad Yulizar Sanyoto, Ivan Risyandi Sarebni, Ahmad Viky Furqon Siswoyo, Mohammad Pujo Syukron Salam, Syukron Togani Cahyadi Upomo, Togani Cahyadi Untoro Nugroho Wahyu Setyaningsih Y. Irnizarifka, Ardhiatma Z. Hasanah, Ghaida Zulianti, Rizka