STUDI ALTERNATIF PERENCANAAN TUBUH BENDUNGAN (MAINDAM) PADA PROYEK BENDUNGAN JLANTAH KABUPATEN KARANGANYAR PROVINSI JAWA TENGAH

Muhammad Afifudin Zuhri, Bambang Suprapto, Azizah Rokhmawati

Abstract


ABSTRACT
The Jlantah Dam is located in Karanganyar Regency, Central Java, where water scarcity especially for irrigation is a major issue during the dry season. This study proposes an alternative dam design using a sloping zonal embankment type. The flood discharge analysis shows that for Q1000, the inflow is 99.93 m³/s and the outflow is 35.40 m³/s. For the PMF, the inflow reaches 406.42 m³/s and the outflow is 106.43 m³/s. The reservoir has a total storage capacity of 122.09 million m³. The dam is designed with a height of 65.24 meters and a crest width of 11 meters. Slope stability analysis using the Fellenius method indicates that the safety factors meet the required technical standards
Keywords : Jlantah Dam, Hydrology, Slope Stability


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| Jurnal Rekayasa Sipil | Vol. 15, No. 2, Juli 2025| ISSN 2337 - 7720

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