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All Journal Civil Engineering Forum Teknik Sipil International Journal of Science and Engineering (IJSE) MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmiah Desain & Konstruksi IPTEK The Journal for Technology and Science Jurnal Teknik Sipil Jurnal Teknik Pengairan: Journal of Water Resources Engineering Semesta Teknika Teknisia Eco Rekayasa Jurnal Teknik Sipil Journal of the Civil Engineering Forum Civil Engineering Journal FROPIL (Forum Profesional Teknik Sipil) Civil and Environmental Science Journal (CIVENSE) JURNAL TEKNIK HIDRAULIK JURNAL SUMBER DAYA AIR Community Empowerment Jurnal Teknik Sumber Daya Air Prosiding Seminar Nasional Teknik Sipil UMS Jurnal Geografi LIngkungan Tropik (Journal of Geography of Tropical Environments) LIMNOTEK
Djoko Legono
Departemen Teknik Sipil Dan Lingkungan, Fakultas Teknik, Universitas Gadjah Mada
Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Education Energy Engineering Environmental Science Public Health Social Sciences Transportation

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Prediksi Umur Waduk Logung berdasarkan Erosi Lahan dan Hasil Sedimen Ikawati, Nur; Legono, Djoko; Yulistiyanto, Bambang
Prosiding Seminar Nasional Teknik Sipil UMS 2019: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (797.896 KB)

Abstract

Faktor utama penyebab turunnya kapasitas tampungan air Waduk Logung adalah tingginya laju sedimentasi akibat erosi lahan pada daerah hulu waduk. Oleh karena itu diperlukan kajian tentang evaluasi umur Waduk Logung berdasarkan kondisi saat ini. Penelitian ini bertujuan untuk memperkirakan umur Waduk Logung menggunakan pendekatan erosi lahan dan hasil sedimen. Erosi lahan dihitung berdasarkan model erosi Revised Universal Soil Loss Equation (RUSLE) dengan integrasi Sistem Informasi Geografis (SIG) berbasis grid, sedangkan hasil sedimen diperkirakan menggunakan pendekatan angkutan sedimen di sungai. Analisis Sediment Delivery Ratio (SDR) menghasilkan laju sedimen yang masuk ke waduk. Volume sedimen yang mengendap diprediksi menggunakan hubungan trap efficiency dan voume berat kering sedimen. Hasil penelitian menunjukkan bahwa besarnya laju erosi lahan pada DTA Waduk Logung diperoleh sebesar 1.910.421 ton/tahun. Sedangkan hasil sedimen pada DTA Waduk Logung diketahui sebesar 452.649 ton/tahun, sehingga nilai SDR pada DTA Waduk Logung sebesar 0,237. Umur efektif Waduk Logung diperkirakan hanya mampu bertahan sampai masa operasi selama 39 tahun.
Kajian Sedimen Delivery Ratio Bendungan Bener Kabupaten Purworejo Sabila, Nur Ariva; Yulistiyanto, Bambang; Legono, Djoko
Prosiding Seminar Nasional Teknik Sipil UMS 2020: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Bendungan Bener direncanakan untuk memenuhi kebutuhan irigasi, air baku dan PLTA di Provinsi Jawa Tengah dan DI Yogyakarta. Tampungan efektif waduk direncanakan sebesar 68,34 juta m3. Waduk merupakan badan air yang mudah mengalami kerusakan akibat erosi. Erosi yang masuk dan mengendap di waduk disebut sebagai sedimen. Sediment Delivery Ratio (SDR) merupakan metode untuk memprediksi hasil sedimen di waduk. Penelitian ini menggunakan 12 persamaan empiris. Hasil analisis diperoleh rentang nilai SDR antara 0,013 sampai 0,707.
Penelusuran Waduk Mrica untuk Analisis Perubahan unjuk Kerja Fungsi dan Efisiensi Penggelontoran Sedimen : Mrica Reservoir Routing for The Analysis of Change In Functional Performance and Sediment Flushing Efficiency Rahadiansyah, Shakti; Ariyanti, Vicky; Sulaiman, Muhamad; Kurniawan, Adhy; Legono, Djoko
Jurnal Teknik Sumber Daya Air Vol. 5 No. 2 (Desember 2025)
Publisher : Himpunan Ahli Teknik Hidraulik Indonesia (HATHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56860/jtsda.v5i2.153

Abstract

Mrica Reservoir, also known as the Panglima Besar Soedirman Dam, was constructed in 1982 and serves multiple purposes, including electricity generation, irrigation, and flood control. The main problem faced over the past decade is the very active sedimentation of the reservoir, which is felt to have caused a decline in the reservoir's function as originally planned. This paper presents the results of evaluating the efficiency of sediment removal from Mrica Reservoir by flushing. The RESROUT2 (Reservoir Routing Version 2) was developed to study the water (and sediment) balances and to evaluate the influence of changes in the characteristics of the Mrica Reservoir (with a specific reservoir inflow characteristic) on the outflow pattern. Reservoir outflow is made possible by regulating the output facilities, such as spillways, intake structures for power and irrigation, power generation, and a drawdown culvert to release sediment. The volume of flow out through the bottom outlet and the flushing efficiency for 5 hours are 4.354 million m3 and 0.167, respectively, while for 3 hours of flushing, they are 2.476 million m3 and 0.221, respectively. Increasing the efficiency of sediment flushing in the Mrica Reservoir still needs to be pursued along with efforts to reduce its negative impacts.
Co-Authors Adam Pamudji Rahardjo Adam Pamudji Rahardjo Adam Pamudji Rahardjo Adam Pamudji Raharjo Adhy Kurniawan Agatha Padma Laksitaningtyas Agatha Padma Laksitaningtyas Agatha Padma Laksitaningtyas, Agatha Padma Ahad Legiarto Ali Rahmat Ani Hairani Ani Hairani Ariyanti, Vicky Asril Zevri Bambang Agus Kironoto Bambang Agus Kironoto Bambang Triatmodjo Bambang Yulistiyanto Bambang Yulistiyanto Bambang Yulistiyanto Basuki Widodo Bella Koes Paulina Cantik Budi Santosa Budi Santosa Budi Wignyosukarto Cahyono Ikhsan Candra Dian Lukita Tauhid Cantik, Bella Koes Paulina Davianto Frangky B. Welkis Denik Sri Krisnayanti Dewi Ayu Sofia Dyah Ari Wulandari Eka Laily Ramadhani Elenora Gita Alamanda Sapan Endita Prima Ari Pratiwi Fatchan Nurrochmad Fauziyah, Risky Fery Moun Hepy Fitriana, Indri Rahmandhani Hanny Hafiar Haryono Haryono Haryono Kusumosubroto Heriantono Waluyadi Ikawati, Nur Ikhsan, Cahyono Istiarto Istiarto Istiarto Istiarto Istiqomah, Nurul Alvia John H. Frans John Hendrik Frans Joko Sujono Kazuhiko Otani Kironoto, Bambang Agus Kisindi Nur Afifah Made Sumiarsih Made Sumiarsih Misdiyanto Misdiyanto Miskar Maini Nadjadji Anwar Ni Made Sumiarsih Ni Nyoman Nepi Marleni Rachmad Jayadi Radianta Triadmadja Rahadiansyah, Shakti Rahardjo, Adam Pamudji Rahardjo, Adam Pramudji Raharjo, Adam Pamudji Ramon Putra Robert J. Kodoatie Robert Kodoatie Robert Kodoatie, Robert Roby Hambali Sabila, Nur Ariva Seran, Yustinus A. Subagyo Pramumijoyo Suharyanto Suharyanto Sulaiman, Muhamad Sumiadi, Sumiadi Sunjoto Sunjoto Suseno Darsono Suseno Darsono SYAHRANI SYAHRANI Teuku Faisal Fathani Umar Fauzan Utomo, Bagus Prio Wilhelmus Bunganaen Wilhelmus Bunganaen Yustinus Akito Seran