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All Journal Rekayasa Sipil Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Jurnal Teknik Sipil dan Perencanaan
Nurita Prameswari, Putri
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering

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Analysis of Damage Levels and Maintenance Using IRI on the Pandaan-Malang Toll Road Ahmad Abdul Aziz, Hafif; Ayu Kusuma Dewi, Vita; Nurita Prameswari, Putri; Izatullilah
Rekayasa Sipil Vol. 19 No. 3 (2025): Rekayasa Sipil Vol. 19 No. 3
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2025.019.03.5

Abstract

Good road conditions are critical in ensuring the comfort, safety, and efficiency of road users' journeys. The Pandaan–Malang Toll Road, as a strategic infrastructure with a traffic volume of 43 million vehicles per year, faces challenges related to the degradation of road surface quality due to traffic dominated by light vehicles. However, previous studies have not extensively integrated the relationship between vehicle volume and the International Roughness Index (IRI) values on a segmental basis as a basis for maintenance evaluation. This study aims to analyze the IRI conditions of five segments of the Pandaan–Malang toll road during the period 2022–2024 and recommend maintenance strategies based on IRI classification in accordance with Ministry of Public Works and Public Housing Regulation No. 47 of 2015. The method used is quantitative with secondary data analysis of IRI values from PT Jasa Marga Pandaan–Malang based on RoadRoid Survey Application and processed using Microsoft Excel. The results show that the average IRI value in 2024 is 3.66, classified as Good, but Segments I and II classified as Fair with values >4 and require periodic maintenance. Other segments can still be maintained through routine maintenance. This study concludes that the IRI values show a stable trend but have the potential to increase without planned maintenance. Future research is recommended to examine the integration between IRI, PCI, and traffic load to develop a more comprehensive and applicable road damage prediction model.
Evaluation of Vegetation Diversity and Emission Absorption Recommendations for Pandaan-Malang Toll Road (Segment Study 1-5) Nurita Prameswari, Putri; Ahmad Abdul Aziz, Hafif; Izatullilah, Izatullilah; Qolbi Prasetya Kautsarani, Yuhyil; Ayu Kusuma Dewi, Vita
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 10, No 2 (2025): EDISI SEPTEMBER 2025
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v10i2.7105

Abstract

Toll road operational activities also harm the environment, one of which is the release of motor vehicle emissions. One way to reduce this impact is through the application of vegetation along the toll road. This study aims to evaluate vegetation based on integrated ecological functions along the Pandaan-Malang toll road corridor. This research employs quantitative methods, beginning with field observations and secondary data collection on the number of vehicles, followed by quantitative analysis of emission absorption capacity, and culminating in the preparation of recommendation strategies for the Pandaan-Malang toll road segment 1-5. Based on the study's results, it was found that emissions from vehicle volume were 63,320,311.04 kilograms of CO2/ year, with a total absorption capacity of vegetation along the Pandaan-Malang toll road segment of 51,080,719.78 kilograms of CO2/year. There is a shortfall of 12,239,591.26 kilograms of CO2/ year or 19.3% of total annual emissions. This finding indicates that the capacity of existing vegetation remains insufficient to offset the emissions generated by passing motor vehicles. Strategies and recommendations that can address the lack of absorption include the addition of vegetation, such as trembesi, dea shoes, and pule, with the amount and placement tailored to their specific needs. This research demonstrates that vegetation not only enhances the environment's beauty but also plays a crucial role in absorbing carbon dioxide (CO2) emissions and other pollutants. Through this approach, it is expected that the toll road will not only serve as a transportation route but also function as an ecological corridor that supports the improvement of environmental quality and public health. Vegetation recommendations should also consider adaptation factors to the local conditions along the toll road, such as pollutant levels, light intensity, and soil quality. Therefore, future research can involve field trials of vegetation resilience and actual carbon sequestration data.
Analysis of Vegetation Diversity and Emission Absorption Sufficiency on the Pandaan-Malang Green Toll Road Izatullilah; Nurita Prameswari, Putri; Ahmad Abdul Aziz, Hafif; Ayu Kusuma Dewi, Vita
Jurnal Teknik Sipil dan Perencanaan Vol. 27 No. 2 (2025): Jurnal Teknik Sipil dan Perencanaan
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jtsp.v27i2.27589

Abstract

Green corridors on toll roads are a natural strategy designed to reduce transportation emissions while maintaining the ecological function of the area. This study aims to assess the ability of vegetation to absorb carbon along the Pandaan–Malang Green Toll Road by comparing the total emissions produced by passing vehicles. The method employed is a quantitative descriptive approach with a bottom-up methodology to calculate carbon emissions and estimate CO₂ absorption, utilizing existing vegetation data. The research data revealed that the total annual emissions reached 63.32 million kg, while the total vegetation absorption was only 51.08 million kg or 19.33%, resulting in a deficit of 12.24 million kg (80.67%). Trembesi trees dominate, contributing around 90% of the total absorption, but dependence on this monoculture poses ecological risks due to pest attacks and climate pressure. Therefore, a species diversification strategy that focuses on zoning and strengthening technical regulations on green belts is needed. The policy implications aim to transform green highways from aesthetic elements into sustainable ecological infrastructure that actively functions in climate change mitigation and improves ecosystem service quality.
Co-Authors Ahmad Abdul Aziz, Hafif Izatullilah Izatullilah, Izatullilah Qolbi Prasetya Kautsarani, Yuhyil Vita Ayu Kusuma Dewi