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Journal : Astonjadro

Selection of Sediment Retention Structure Type in Coastal Reservoir (Case Study of Terboyo Retention Pond, Semarang) Susanto, Deddy; Wahyudi, Slamet Imam; Soedarsono, Soedarsono
ASTONJADRO Vol. 14 No. 3 (2025): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v14i3.18176

Abstract

To overcome the problem of flooding and tidal flooding in the city of Semarang, especially in the eastern part of Semarang, the Semarang-Demak Toll Road was built which is integrated with the sea wall. The sea wall is planned to prevent sea water from entering the land area, however, the sea wall will also block the direct flow of several rivers to the sea so that a fairly large coastal reservoir is needed. As in general, coastal reservoirs and retention ponds often experience sedimentation problems which have an impact on the economic value of the reservoir concerned, while in the planning of coastal reservoirs and retention ponds in general they are not equipped with sediment retaining structures. From this study, the results of the selection of the right type of sediment retaining structure to be applied in coastal reservoirs were obtained. The selection of the type of sediment retaining structure in this study used the AHP (Analytical Hierarchy Process) method, which is a decision support model that involves experts who have knowledge and experience in planning or implementing retention ponds or sedimentation in river estuaries. From the results of the global priority analysis above, the weight of each alternative sediment retaining structure is obtained, namely a fixed dam of 33.21%, a vertical movable dam with an upper opening of 31.35%, without a sediment retaining structure of 19.61%, a vertical movable dam with a lower opening of 15.84%. From the results of the AHP analysis above, the highest weight was obtained, which was then used as a decision maker to choose the type of building with the highest value, namely a sediment retaining structure in the form of a permanent dam.
Co-Authors Abd. Rasyid Syamsuri Adnyana , I Made Dwi Mertha Agustini, Lukisiari Agustiyanto, Catur Ainiyah, Safira Nur Akhiruddin Akhiruddin Amaliah, Lia Ananda, I Gede Yogi Prema Aryanti, Yuni Ashari, Mochamad Hisam Awiyati, Ian Tangguh Bakhtiar, Arief Bambang Hariyanto Bimantara, Firmandhi Sahid Bur, Eka Yulianti Cho, Yong-Soon Deby Kusumaningrum Deddy Susanto Endraswari, Pepy Hartanto, Azis Herawati, Fauna Herni Setyawati Imam Wahyudi Indrawan, Imam Wahyudi Indrawanto, Dwi Wahyu Jazim Hamidi Joko Sutrisno Junus, Herisa Nataliana Jusak Nugraha Kartono Wibowo, Kartono Kasih, Shindya Kinasih Prayuni, Kinasih Kusmiati, Tutik Kusuma Dewi, Anindya Zalfaa Lyndia Effendy M. Dikman, Irmawati Mahardika, Vera Makhfudli Makhfudli Mandayani, Sari Mudiyono, Rachmad Nadir Nadir, Nadir Najimuddin, Didin Ni Made Mertaniasih Ni'am, M. Faiqun Nono Carsono Nugroho, Antonius Novan Setyo Nugroho, Eko Pudjo Pangeran Paita Yunus Panuwun, Rizky Tulus Permatasari, Ariani Poedjiastuti, Hermin Pradhana, Agung Pratama A., Ronald Pratiwi Adi, Henny Rachmat Mudiyono, Rachmat RACHMAT RACHMAT Rampengan, Vicky Reinold Christofel Resti Yudhawati Rika Yuliwulandari, Rika Ronald Pratama Adiwinoto Rudi Hariyono, Rudi S Imam Wahyudi Safitri, Adam Semedi, Bambang Pudjo Setiawati, Rosy Setyaningsih, Theresia Puji Setyobudi, Nurul Ilmiyati Slamet Imam Wahyudi, Slamet Imam SP Gustami Suhaemi Suhaemi, Suhaemi Sulistyowati, Titiek Syafa'ah, Irmi Syafaat, Muchamad Ali Syafaat, Muchamad Ali TARUNA, DODY Tasalina Yohana Parameswari Gustam UMI FATMAWATI Umiastuti, Pirlina Wajdi*, Bina Arumbinang Wajdi, Bina Arumbinang Wicaksana, Bayu Septiaji Wulandari, Dian Novita Yelvi Levani Yulistiani Yulistiani, Yulistiani