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Journal : Astonjadro

EFFECT OF FREEBOARD HIGH ON WAVE REFLECTION ON ZIGZAG MODEL WCSP-DS BUILDING Prihatini, Wa Ode Zulia; Thaha, M A; Hatta, M P; Paotonan, Chairul
ASTONJADRO Vol. 11 No. 2 (2022): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v11i2.6215

Abstract

The Wave Catcher Shore Protection Dual-Slope (WCSP-DS) model in this study is a model of a dual function beach building as a beach protector and a catcher of wave energy, which has two walls, namely upright and inclined walls with an angle of 45°. The WCSP-DS building also has a reservoir at its top to accommodate wave runoff (overtopping). This study aims to determine the reflection in front of the model with variations in the freeboard height of the Wave Catcher Shore Protection Dual-Slope (WCPS-DS) building in a zigzag position. The test was carried out using a 1:20 scale 3D physical model at the Coastal and Environmental Engineering Laboratory, Faculty of Engineering, Hasanuddin University, Makassar. Simulation and data acquisition were carried out in a wave basin measuring 15 meters long, 10 meters wide using a regular wave generation system and the wave height data on the wave probe was recorded automatically. The simulation was carried out with 5 variations of freeboard height on 3 variations of waves, namely wave height and period and 3 variations of water depth. The results showed that there was a significant effect of freeboard height, wave steepness and water level position on WCSP-DS vertical wall height or water depth relative to the wave reflection coefficient in front of the model. The value of the reflection coefficient (Kr) in the relationship between freeboard height and water depth (Fb/d) at a depth of 0.4 meters (d/z = 1.143) ranges from 0.42 – 0.74, at a depth of 0.35 meters (d /z = 1) ranged from 0.44 – 0.74 and at a depth of 0.3 meters (d/z = 0.857) ranged from 0.35 – 0.71.
Co-Authors ., Ashury A. Narayana Jufri, Muhammad Fauzan Achmad Yasir Baeda Agusdiansyah, Dwi Alie, Muh. Zubair Andriadi, Andi M. Rezky Arafah, Muhamad Arafat, Andi Muhammad Alfian Arsil Ashury, Ashury Assidiq, Fuad Mahfud Awal, Muhammad Andika Samudera Ayyub Ansyari B, Muhammad Azis, Arham Azisah, Nur Azwar, Ahmad Baeda A.Y . Baeda, Achmad Yasir Baeda Yasir Bulawan, Chofifah Datu Caronge, Muhammad Akbar Daeng Paroka Daeng Paroka Daeng Parokka Damayant, Riska Daniel Bara Padang Allo Dewi, Misfadillah Tribuana dj, ashury Djamaluddin, Ashury Dundu, Denis Restuardi F.M. Assidiq Fachry Abda El Rahman Fajar Arif Nurdin Farouk Maricar Fathurrahman, Ahmad Firman Husain Fitriyanti Fitriyanti Hasan, Wahyuni Hasdinar Umar Hatta, M P Herawati Herawati Hidayat Kasim, Alif Ikram, Andi Muhammad Indah Pratiwi Irfaniyanti, Irfaniyanti Irma Handayani, Irma Jumadi Jumadi Juswan . Juswan Sade K, Riswal Kasba, Putri Sriwahyuni Kurniawan, Abdi M Nur, Fahrul Maghfira, Aqila Maming, Muhammad Idhil Masri, Andi Muhammad Maulid Muhammad Asdar Muhammad Zubair M Alie Muhammad Zubair Muis Alie Muhiddin, Amir H. Mulyawan, Deni Munadiah, Nurul Mustika, Andi Mega Nadjmi, Nurul Nasir, Andi Mega Mustika Nisa, Mu’minatung Novriany Amaliyah Nur, Fahrul Muhammad Pairunan, Teguh Paroka D . Pata’dungan, Geby Prasetyo, Adil Farhan Pratama, Andhika Hayyu Prihatini, Wa Ode Zulia Puspa Wangi, Intan Rachmi, Nur Rahim, Fitri Ramadani Rahman S . Rahman, Sabaruddin Rahman Rahmat, Nabila Ainun Nur Ramadhan Umar, Muhammad Fitrah Reskiyanti, Reskiyanti Restuardi Dundu, Denis Rizky, Zakinah RR. Ella Evrita Hestiandari Rusvan, A. Aliffathur Sabaruddin Rahman Sabaruddin Rahmanr Sakinah Kasim, Wahyu Sakinah, Whina Sarah, Nurwani Savhanta Tonapa, Royh Sitti Hijraini Nur Suleman, Yuliani Sutopo, Raihan Firdaus Taufiqur Rachman Thaha, M A Thaha, M. Arsyad Thaha, Muhammad Arsyad Timang, Novrian Yosua Tri Mulyono TRI UTARI Tri Utari Umar H . Umar, Muh. Fitrah Ramadhan Vivian Karim Ladesi Widianingrum, Windi Yasir Baedah, Ahmad Yudha Pratama, Andi