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All Journal Jurnal Planologi Sultan Agung Jurnal Tata Kota dan Daerah ASEAN Journal on Hospitality and Tourism Jurnal Perkotaan Komunikator The Indonesian Journal of Planning and Development Jurnal Wilayah dan Lingkungan Proceeding SENDI_U Plano Madani : Jurnal Perencanaan Wilayah dan Kota Journal of Regional and Rural Development Planning Journal of Architectural Research and Design Studies Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi KURVATEK Jurnal Tecnoscienza Jurnal Bakti Masyarakat Indonesia Jurnal Pengabdian UNDIKMA Arsitektur Universitas Pandanaran Jurnal (ArsiP) Jurnal Ilmiah Telsinas Elektro, Sipil dan Teknik Informasi Journal of Tourism Economics and Policy Indonesian Journal of Spatial Planning International Journal of Applied Sciences in Tourism and Events JAPI: Jurnal Akses Pengabdian Indonesia Journal of Management and Administration Provision Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Riset Kajian Teknologi dan Lingkungan
I Gede Wyana Lokantara .
Program Studi Arsitektur, Universitas Negeri Medan, Kota Medan, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics Public Health Social Sciences Transportation Other

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SPATIAL-MORPHOLOGICAL ANALYSIS TERHADAP KERENTANAN BANJIR PADA PERMUKIMAN PADAT BANTARAN SUNGAI KAMPUNG AUR, KOTA MEDAN Anggri Kartini Harianja; Paula Bungaisi Panjaitan; I Gede Wyana Lokantara; Zhilli Izzadati
Jurnal Riset Kajian Teknologi dan Lingkungan Vol. 9 No. 1 (2026): Jurnal Riset Kajian Teknologi dan Lingkungan
Publisher : LPPM Universitas Samawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58406/jrktl.v9i1.2354

Abstract

Kerentanan banjir di kawasan permukiman padat perkotaan semakin meningkat akibat interaksi antara faktor hidrologi dan tekanan urbanisasi. Penelitian ini bertujuan untuk menganalisis pola spasial kerentanan banjir di Kampung Aur, Kota Medan, dengan mengintegrasikan variabel lingkungan dan morfologi permukiman. Metode yang digunakan adalah pendekatan kuantitatif berbasis Sistem Informasi Geografis (SIG) dan Analytical Hierarchy Process (AHP) untuk menentukan bobot variabel, yang kemudian diolah melalui teknik weighted overlay guna menghasilkan indeks kerentanan banjir. Hasil penelitian menunjukkan bahwa kerentanan tinggi terkonsentrasi pada kawasan bantaran sungai dengan kepadatan bangunan ekstrem, jarak bangunan terhadap sungai yang sangat dekat, serta sistem drainase yang tidak optimal. Curah hujan dan kedekatan terhadap sungai menjadi faktor dominan, sementara morfologi permukiman berperan sebagai penguat yang meningkatkan limpasan permukaan dan memperburuk dampak banjir. Temuan ini menegaskan bahwa kerentanan banjir tidak hanya ditentukan oleh faktor alami, tetapi juga oleh struktur ruang kawasan yang tidak adaptif. Penelitian ini berkontribusi pada pengembangan pendekatan analisis kerentanan berbasis spasial-morfologis sebagai dasar perencanaan hunian adaptif dan mitigasi bencana perkotaan
Quantifying Urban Street Transformation: Integrating Informal Economic Activity Intensity (IIAEI) and Spatial Occupation Ratio (SOR) in Medan City I Gede Wyana Lokantara; Rafika Hilmi Nasution; Lia Lisyati
Jurnal Perkotaan Vol. 18 No. 1 (2026): Juni 2026
Publisher : Universitas Katolik Indonesia Atma Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25170/perkotaan.v18i1.7911

Abstract

Informal economic activities significantly influence the spatial and functional transformation of urban street corridors; however, their quantitative impact has not been examined in depth. This study analyzes the restructuring of street space by informal activities by integrating spatial pattern analysis (linear, spot, and mixed) with two quantitative indicators: the Informal Economic Activity Intensity Index (IIAEI) and the Spatial Occupation Ratio (SOR). Empirical data from three urban corridors in Medan City demonstrate that street space transformation occurs systematically through the interaction between activity intensity and spatial distribution. The findings indicate a non-linear relationship between activity intensity and spatial occupation, with SOR reaching up to 100 percent in several corridor segments. Concentrated activities result in high spatial pressure even at lower intensity levels, whereas dispersed activities lead to lower pressure despite higher activity counts. This interaction yields three distinct corridor typologies: high-pressure corridors, concentration-based hotspots, and transitional corridors. This study introduces a novel quantitative framework that operationalizes the relationship between informal economic activities and street space transformation by integrating IIAEI and SOR, enabling a measurable and comparative assessment of spatial pressure. The integration of IIAEI and SOR enables an objective, comparative assessment of spatial pressure. The results underscore the need to transition from control-oriented policies to integrative, data-driven approaches, thereby positioning urban street space as an adaptive and inclusive socio-economic environment.
Strengthening City Branding through Smart Economy Based on Local Economic Potential in Belitung Regency: JEL Classification: R11, R58, O18, O33, M31, L26, Z32 Dessy Mayasari; I Gede Wyana Lokantara
Journal of Management and Administration Provision Vol. 6 No. 2 (2026): Journal of Management and Administration Provision
Publisher : Pusat Studi Pembangunan dan Pemberdayaan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55885/jmap.v6i2.1038

Abstract

Belitung Regency possesses considerable local economic potential, supported by tourism, micro, small, and medium enterprises (MSMEs), the creative economy, and the fisheries sector. However, these potentials have not been fully realized as part of a strong regional identity in city branding. This study aims to analyze the role of the smart economy in strengthening city branding based on local economic potential in Belitung Regency. A descriptive quantitative approach was employed using a survey of 50 respondents, comprising MSME actors, creative economy practitioners, and tourism business operators. Data were collected using a Likert-scale questionnaire and analyzed through descriptive statistics, indicator ranking, and SWOT analysis. The results indicate that the implementation of the Smart Economy is at a moderate level, with an average score of 3.47. Innovative spirit (3.85), entrepreneurship (3.72), and economic opportunity (3.51) emerged as the dominant factors supporting local economic development. Meanwhile, city branding also remains at a moderate level, with an average score of 3.28, and is still largely characterized by a tourism-oriented image. Local economic potential, such as MSMEs, the creative economy, traditional culinary products, and fisheries products, has not yet developed into a primary representation of regional identity. The findings reveal that the smart economy does not directly lead to strong city branding. Its contribution depends on the region’s ability to integrate innovation, digital transformation, and local flagship products into a consistent territorial identity. This study highlights the importance of an economic branding approach to strengthen the identity and competitiveness of Belitung Regency sustainably.
Analyzing Urban Morphological Polarization through Spatial Entropy in Pangkalpinang, an Archipelagic City I Gede Wyana Lokantara; Rafika Hilmi Nasution; . Khairunnisak
Jurnal Planologi Vol 23, No 1 (2026): April 2026
Publisher : Universitas Islam Sultan Agung Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jpsa.v23i1.47993

Abstract

Background: Secondary cities play a strategic role within national spatial systems, but often face limitations in planning capacity and environmental carrying capacity. Pangkalpinang, the capital of the Bangka Belitung Islands Province, represents an archipelagic city undergoing a rapid transition from an agrarian to a service-oriented economy. Its dispersed physical expansion over the past two decades has become increasingly challenging to manage due to the absence of a comprehensive spatial diagnosis. Methods: This study aims to diagnose spatial order and urban morphological polarization using the Shannon Entropy method, based on proximity to the city center (H’p) and road networks (H’j) across seven districts in 2000, 2010, and 2024. Results: The results indicate significant increases in entropy in Bukit Intan (H’p 0.334–0.532) and Gerunggang (H’p 0.348–0.461), suggesting decentralization along road networks. An increase in entropy in this context reflects a decline in spatial order, where land-use patterns become more dispersed and fragmented, signaling reduced planning control and a greater need for targeted growth-management interventions. Implications: The findings demonstrate that Shannon Entropy functions not only as a quantitative tool but also as an analytical approach for interpreting spatial transformation in archipelagic urban environments. Moreover, this study offers initial evidence to support policy formulation for growth control and the protection of productive land in archipelagic secondary cities. Keywords: Pangkalpinang City; Secondary Cities; Shannon Entropy; Urban Morphology; Spatial Polarization  Latar Belakang: Kota sekunder memegang peran strategis dalam sistem kewilayahan nasional, namun sering menghadapi keterbatasan kapasitas perencanaan dan daya dukung lingkungan. Pangkalpinang, ibu kota Provinsi Kepulauan Bangka Belitung, merepresentasikan kota kepulauan yang mengalami transisi cepat dari sektor agraris menuju sektor jasa. Ekspansi fisik yang tersebar selama dua dekade terakhir semakin sulit dikendalikan karena belum adanya diagnosis spasial yang komprehensif. Metode: Penelitian ini bertujuan mendiagnosis keteraturan spasial dan polarisasi morfologi kota menggunakan metode Shannon Entropy, berdasarkan kedekatan dengan pusat kota (H’p) dan jaringan jalan (H’j) pada tujuh kecamatan pada tahun 2000, 2010, dan 2024. Hasil: Hasil penelitian menunjukkan peningkatan entropy signifikan pada Bukit Intan (H’p 0,334–0,532) dan Gerunggang (H’p 0,348–0,461), yang mengindikasikan desentralisasi mengikuti struktur jaringan jalan. Peningkatan entropy dalam konteks ini mencerminkan penurunan keteraturan spasial, di mana pola penggunaan lahan menjadi lebih tersebar dan terfragmentasi, menandakan melemahnya kendali perencanaan serta meningkatnya kebutuhan akan intervensi pengendalian pertumbuhan yang lebih terarah. Implikasi: Temuan ini menunjukkan bahwa Shannon Entropy tidak hanya berfungsi sebagai alat kuantitatif, tetapi juga sebagai pendekatan analitis untuk memahami transformasi spasial di kota kepulauan. Selain itu, penelitian ini memberikan dasar awal bagi perumusan kebijakan pengendalian pertumbuhan dan perlindungan lahan produktif di kota sekunder berbasis kepulauan.Kata kunci: Kota Sekunder; Kota Pangkalpinang; Shannon Entropy, Morfologi Kota, Polarisasi Spasial
Spatial Utilization Pattern for Sasirangan Craftsmen's House in Sasirangan Village, Banjarmasin Aula Sekar Arum Pertiwi; Damayanti Asikin; Lisa Dwi Wulandari; Khairunnisak Khairunnisak; Rafika Hilmi Nasution; I Gede Wyana Lokantara; Zhilli Izzadati Khairuni; Siti Zulfa Yuzni
The Indonesian Journal of Planning and Development Vol 10, No 2 (2025): October 2025
Publisher : Department of Urban and Regional Planning, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijpd.10.2.76-84

Abstract

The Seberang Masjid region is one of the last places that still looks like Banjar Village, and it has a unique art called sasirangan cloth. The government and the corporate sector changed the name of the region to Kampung Sasirangan in 2010 to make local knowledge more valuable. This development affects the change in the role of homes, which are now used for more than just living in. They are now used for business and manufacturing. The several steps in making sasirangan cloth affect how craftspeople act, which in turn affects how the company house uses space. This study seeks to identify and analyse the spatial utilization patterns in the residences of sasirangan textile craftspeople in Kampung Sasirangan, Banjarmasin. The research methodology employed is a case study utilizing a qualitative approach, incorporating field observation, in-depth interviews, and documentation. The results show that there are 17 craftsmen's houses on the land, along the riverbanks, and above the river. There are two primary ways that space is used: one building mass and two building masses. Craftsmen do not have a separate place to work; instead, they make the most of the space they already have by changing it to fit the stage of production. Craftsmen who have more complicated production stages use space in a wider range of ways.
Aggregate Gradation Influence on Marshall and Stiffness of AC-WC Mixtures I Wayan Putra Jayantara Jayantara; Wenny Herdianti; I Gede Wyana Lokantara; Anggiat Daniel Anderson Munthe; Rizky Simanjuntak
Jurnal Ilmiah Telsinas Vol 9 No 1 (2026)
Publisher : Universitas Pendidikan Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38043/telsinas.v9i1.7580

Abstract

Aggregate gradation plays an important role in determining the performance of asphalt mixtures used in road pavement structures. Numerous studies have investigated the influence of aggregate gradation on Marshall characteristics and volumetric properties of asphalt mixtures. However, limited studies have examined the combined effect of aggregate gradation variations within the specification limits on both Marshall characteristics and stiffness performance of AC-WC mixtures. In addition, the influence of proportional gradation variations across the specification envelope has not been widely discussed. Therefore, this study aims to investigate the influence of aggregate gradation variations within the specification limits of Asphalt Concrete Wearing Course (AC-WC) on optimum asphalt content, Marshall characteristics, and mixture stiffness. Five aggregate gradation variations were prepared using the proportional method based on gradation limits. Laboratory tests were conducted using Marshall testing and Indirect Tensile Stiffness Modulus (ITSM) to evaluate mixture performance. The results show that aggregate gradation significantly affects the optimum asphalt content and mechanical characteristics of the mixture. Finer aggregate gradation increases the aggregate surface area and requires higher asphalt content. The optimum asphalt content for different gradation variations ranged from 5.7% to 6.3%. In addition, finer gradation produced lower air voids (VIM) and resulted in higher Marshall stability and mixture stiffness. These findings indicate that aggregate gradation has a significant influence on the volumetric and mechanical properties of AC-WC mixtures.
Implementation of Building Information Modelling Training to Strengthen Design-Building Competencies of Vocational Teachers and Students Ahmad Zulfikar; Kinanti Wijaya; Sutrisno; Harry Wibowo; Rafika Hilmi Nasution; I Gede Wyana Lokantara; Fajar Arjuna; M. Andrey Harun; Jun Kristiani Nduru; Natachia Siburian; Nabilah Fernanda Daulay; Riansyah Putra; Wisnu Prayogo
Jurnal Pengabdian UNDIKMA Vol. 7 No. 3 (2026): August (IN PRESS)
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v7i3.21827

Abstract

This community service program aims to improve the Building Information Modeling (BIM) competencies of vocational teachers and students at SMKN 1 Lubuk Pakam and to support the integration of BIM into vocational building design education. The program was implemented through demonstrations, hands-on training, and curriculum integration assistance. A total of 16 participants, consisting of teachers and students from the Building Modeling and Information Design program, took part in the activities. Data were collected using a BIM knowledge test, a perception questionnaire, a teacher readiness questionnaire, and a practical assessment rubric for BIM modeling skills. Descriptive statistics were used to summarize the data, while changes in participants' BIM knowledge were analyzed using the Wilcoxon signed-rank test. The results showed that the mean BIM knowledge score increased from 17.62 on the pre-test to 19.88 on the post-test. This improvement was statistically significant (p = 0.039), with a moderate effect size (0.65). Participants' perceptions of BIM also improved, with the mean score increasing from 3.44 to 4.09 and the proportion of responses in the high category rising from 51.3% to 90.0%. Teachers' readiness to integrate BIM into classroom instruction increased substantially, with the mean score rising from 2.00 to 4.36 and the proportion of high-category responses increasing from 13.9% to 94.0%. In addition, participants successfully applied fundamental BIM workflows and produced simple digital building models. These findings indicate that the program effectively enhanced participants' BIM knowledge, practical competencies, and teachers' readiness to integrate BIM into vocational learning. Nevertheless, sustained mentoring and advanced training are recommended to support the development of more complex BIM competencies and long-term curriculum implementation.
Pemanfaatan Limbah Plastik Polyethylene Terephthalate (PET) Sebagai Agregat Kasar Beton Ringan: Systematic Literature Review Arrisha Anggraini; Wenny Herdianti; Ivana Christine Sembiring Brahmana; Titonik Feberman Hia; Melvi Maulita Napitupulu; I Gede Wyana Lokantara
JURNAL TECNOSCIENZA Vol. 10 No. 2 (2026): JURNAL TECNOSCIENZA
Publisher : JURNAL TECNOSCIENZA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51158/thjvb146

Abstract

Plastic waste, particularly polyethylene terephthalate (PET) from beverage bottles, constitutes a major source of non-biodegradable waste that is difficult to decompose and poses long-term environmental risks. The utilization of polyethylene terephthalate (PET) waste as a partial replacement for coarse aggregate in concrete offers a dual benefit: reducing plastic waste while conserving natural aggregates and decreasing concrete density for lightweight applications.This study systematically examines the mechanical properties of polyethylene terephthalate (PET)-based concrete through a systematic literature review following the PRISMA 2020 protocol, covering publications from 2018 to 2026. A literature search was conducted across the SINTA, Portal Garuda, Google Scholar, and Scopus databases, yielding 155 initial articles. After a rigorous screening process, 7 experimental studies met the inclusion criteria, namely those that utilized polyethylene terephthalate (PET) as a coarse aggregate substitute and reported quantitative data on compressive strength and/or density. The synthesis reveals a consistent trend in which increasing polyethylene terephthalate (PET) content reduces compressive  strength (ranging from 13–20 MPa at 5–10% substitution and 7–10 MPa at >25%) as well as density (1,645–1,900 kg/m³), resulting in lightweight non-structural concrete. A combination of PET and rice husk ash achieved an optimal compressive strength of 24.85 MPa. Substitution levels of 5–10% are most suitable for semi-structural elements, whereas levels above 25% are optimal for non-structural applications such as partition panels and precast drainage channels. 
Co-Authors . Khairunnisak Ahmad Zulfikar Amo, Farisa Maulinam Amo, Rahmat Ekaputra Anggiat Daniel Anderson Munthe Anggri Kartini Harianja Arrisha Anggraini Aula Sekar Arum Pertiwi Aula Sekar Arum Pertiwi Aulia Suminar Ayu Ayu, Aulia Suminar Damayanti Asikin Dessy Mayasari Dessy Mayasarib Dwihantoro, Prihatin Fajar Arjuna Farisa Maulinam Amo Farisa Maulinam Amo Farisa Maulinam Amo Farisa Maulinam Amo Harry Wibowo I Wayan Putra Jayantara Jayantara Indra Abdam Muwakhid Ivana Christine Sembiring Brahmana Jun Kristiani Nduru Khairunnisak Khairunnisak Khairunnisak Kinanti Wijaya Lia Lisyati Lisa Dwi Wulandari M. Andrey Harun Marsista Buana Putri, Marsista Buana Mayasari, Dessy Melvi Maulita Napitupulu Mustofa, Hery Nabilah Fernanda Daulay Nanik Hidayati Natachia Siburian Paula Bungaisi Panjaitan Prihatin Dwihantoro Putra, Riansyah Rafi'i, Muhammad Rafika Hilmi Nasution Rafika Hilmi Nasution Rafika Hilmi Nasution Rizky Simanjuntak Siti Zulfa Yuzni Sutrisno Titonik Feberman Hia Wenny Herdianti Wenny Herdianti Wisnu Prayogo Zhilli Izzadati Zhilli Izzadati Khairuni