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All Journal Jurnal Teknik Sipil
Tambunan, Franzsio Gratio
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Civil Engineering, Building, Construction & Architecture

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THE ASSESSMENT OF NATIONAL ROAD SURFACE CONDITIONS ANALYSIS BASED ON THE INTERNATIONAL ROUGHNESS INDEX (IRI) METHOD USING ROADBUMP APPLICATION Tambunan, Franzsio Gratio; Mukti, Elsa Tri; Kadarini, Siti Nurlaily
Jurnal Teknik Sipil Vol 23, No 2 (2023): JURNAL TEKNIK SIPIL EDISI MEI 2023
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v23i2.63875

Abstract

Roads are infrastructure that has a vital role for the community in supporting social and economic activities. Therefore, appropriate handling information is needed for road maintenance and improvement to be on target. One of the methods used is the International Roughness Index (IRI) method with the help of the Road bump application. The purpose of this study is to analyze and recommend handling road surface conditions, as well as to test the validity of the Road bump application with a Laser Profilometer. This research was conducted on the 10 KM section of Trans Kalimantan Road. Comparative data is obtained from secondary data issued by BPJN in 2021 using the Laser Profilometer tool. This study found that the condition of the Trans Kalimantan Road was 80% in the excellent category, 18% in the moderate category, and 2% in the slightly damaged category, and had similarities with the BPJN IRI value of 95%. Road bump also tends to the IRI value to be greater than the BPJN IRI value. Based on the results of this study, the Road bump application can be used as an alternative tool for measuring road surface conditions using the International Roughness Index (IRI) method.
Evaluation and Validation of Roadroid for National Road Surface Condition Assessment in Pontianak City Tambunan, Franzsio Gratio; Sutandi, Anastasia Caroline
Jurnal Teknik Sipil Vol. 26 No. 2 (2026): Vol 26, No 2 (2026): Vol 26, No 2 (2026): Jurnal Teknik Sipil (JTS) Universita
Publisher : Fakultas Teknik Universitas Tanjungpura

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

Abstract

Road surface condition assessment is essential for maintaining the performance, safety, and serviceability of national road networks. Conventional International Roughness Index (IRI) surveys can require specialized equipment, motivating the use of smartphone-based applications for more accessible data collection. This study evaluates the use of the Roadroid application for assessing road surface conditions and examines its validity by comparing Roadroid IRI results with official BPJN data. Six national road sections in Pontianak City were investigated: Khatulistiwa, Gusti Situt Mahmud, Sultan Hamid II, Tanjungpura, Ahmad Yani, and Arteri Supadio. Primary data were obtained from Roadroid-based field surveys and road inventory observations, while secondary IRI and road-section information were obtained from BPJN West Kalimantan Province. Road conditions were classified using the specified IRI thresholds, followed by comparison of Roadroid and BPJN classifications and validity assessment using slope, intercept, correlation, and the prescribed acceptance limits. Roadroid identified predominantly good conditions on all six sections, with good-condition proportions of 75.36%, 83.33%, 71.43%, 90.48%, 88.57%, and 91.09%, respectively. The reported validation parameters were within or evaluated against the prescribed criteria. The findings support the practical use of Roadroid as a supplementary tool for road-condition surveys and maintenance planning.
Co-Authors Anastasia Caroline Sutandi Elsa Tri Mukti Siti Nurlaily Kadarini, Siti Nurlaily