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All Journal FORUM BANGUNAN Jurnal Review Pendidikan dan Pengajaran (JRPP) Journal of Training and Community Service Adpertisi Engineering Science Letter
Meny Sriwati, Meny
Sekolah Tinggi Teknik Dharma Yadi Makassar
Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Impact of Sustainable Drainage with Porous Asphalt to Reduce Urban Flood Risk in Vulnerable Residential Areas Sriwati, Meny
Engineering Science Letter Vol. 5 No. 01 (2026): In Press - Engineering Science Letter
Publisher : The Indonesian Institute of Science and Technology Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56741/IISTR.esl.001551

Abstract

Climate change and rapid urbanization in Makassar have increased the frequency of heavy rainfall, causing excessive runoff and flooding in densely populated areas. Conventional drainage systems are no longer able to accommodate the increased water volume, thus creating an urgent need for sustainable engineering solutions. The objectives of this study were to test the effectiveness of porous asphalt in managing stormwater runoff and increasing infiltration, and to develop a sustainable drainage system model that suits the hydrological, technical, and socio-economic conditions of tropical urban areas. The method used was a quantitative experiment with a hydrological and environmental engineering approach. The study sample included twenty field test locations in flood-prone areas of Makassar. Data were collected through field infiltration measurements, SWMM simulations, and laboratory asphalt porosity tests. Analysis was performed using multiple linear regression and hydrological model validation. The results showed that porous asphalt was able to increase infiltration capacity from 210 to 340 mm/hour and reduce surface runoff volume by 40.7 percent. The inundation depth was reduced by half from the initial condition, and the drainage system efficiency increased from an index of 3.2 to 4.3. The correlation coefficient between porosity and infiltration reached 0.79 (p < 0.01), indicating a strong positive relationship. These findings indicate that the application of porous asphalt effectively reduces flood risk while improving environmental quality. In conclusion, porous asphalt is a feasible technical and ecological solution for water runoff management in tropical areas. Therefore, a sustainable drainage system based on porous asphalt can be a strategic component in adaptive urban development to climate change.
Co-Authors Demmanggasa , Yultan Dyah Nugraheny Priastuti Febrian, Wenny Desty G. Gunawan Hesti Mustika Ati Imanirubiarko, Sabda Judijanto, Loso Kasnawati , Kasnawati KASNAWATI, KASNAWATI Kusdiah, Yuli Lantang, Evayanti Tirtania Latuny, Leny Sopia Lendra Lendra Nu'man, Muhammad Roza, Nelli Sampe, Rafilus Sani, Indra Sitti Hasnah Suyana, Nana Syafii, Muhamad Syarifuddin Syarifuddin Vandan Wiliyanti Zulham Zulham