COASTAL ENGINEERING USING RHIZOPHORA SP. MANGROVE NATURAL STRUCTURE FOR WAVE DAMPING

Authors

  • Ahmad Herison Civil Engineering Major, Faculty of Engineering, UNIVERSITY OF LAMPUNG
  • Yuda Romdania Civil Engineering Major, Faculty of Engineering, UNIVERSITY OF LAMPUNG
  • Masdar Helmi Civil Engineering Major, Faculty of Engineering, UNIVERSITY OF LAMPUNG
  • Laksmi Irianti Civil Engineering Major, Faculty of Engineering, UNIVERSITY OF LAMPUNG
  • Arif Mahasin Sondani Accounting Major, POLYTECHNIC STATE OF SRIWIJAYA
  • M. Fariq Khadafi Student of Department of Civil Engineering, Faculty of Engineering, UNIVERSITY OF LAMPUNG
  • M. Fatih Naban Student of Department of Civil Engineering, Faculty of Engineering, UNIVERSITY OF LAMPUNG

DOI:

https://doi.org/10.21837/pm.v24i41.2023

Keywords:

Tanjung Putus Beach, Dewi Mandapa Beach, thickness, density, abrasion barrier

Abstract

The purpose of the study is to analyze the value of wave damping by the thickness, density, and resilience of the supporting roots of Rhizhophora sp. mangrove as a wave damper. The method used in the study is the transect-squared method and laboratory tests. Wave measurements were done using SBE 26 during the highest waves. The value of ΔE (%) at Dewi Mandapa Beach rised from 10.74% to 92.79% at a thickness of 5 meters to 50 meters, while at Tanjung Putus Beach rised from 26.23% to 92.41% at a thickness of 5 meters to 30 meters. It is stated that the relationship between them is directly proportional. The root resilience value decreased from 3.1331 (J/m2) to 2.4059 (J/m2), while the energy damping value increased from 3.7578E-04 (J/m2) to 5.5943E-04 (J/m2) at a thickness of 5 meters to 30 meters. It is stated that the relationship of root resilience with wave energy attenuation is inversely proportional. It is concluded that high-density Rhizophora sp. mangroves have substantial wave damping ability as a result of the bounciness of the supporting roots.

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Published

2026-04-13

How to Cite

Herison, A., Romdania, Y., Helmi, M., Irianti, L., Sondani, A. M., Khadafi, M. F., & Naban, M. F. (2026). COASTAL ENGINEERING USING RHIZOPHORA SP. MANGROVE NATURAL STRUCTURE FOR WAVE DAMPING. PLANNING MALAYSIA, 24(41). https://doi.org/10.21837/pm.v24i41.2023

Issue

Vol. 24 (2026): PLANNING MALAYSIA JOURNAL : Volume 24, Issue 2, 2026

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Article

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