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All Journal Inventa: Journal of Science, Technology, and Innovation
Cok Da Gibson
Universitas Ratu Samban
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Mutu dan Kinerja Bangunan Penahan Ombak di Kawasan Pantai Panjang Provinsi Bengkulu Cok Da Gibson; Buyung Mantap
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/8qf2y733

Abstract

Pantai Panjang in Bengkulu Province is a strategic coastal area that supports tourism, local economic activities, and environmental protection but is highly vulnerable to wave attack and coastal erosion due to its direct exposure to the Indian Ocean. This study aims to evaluate the construction quality and performance of rubble mound breakwaters in reducing wave energy and controlling shoreline erosion. An empirical descriptive approach was employed through field observations, measurements at six observation points, drone documentation, interviews, and secondary data analysis. Construction quality was assessed based on material suitability, structural geometry, and damage level, while performance evaluation focused on wave attenuation, abrasion reduction, and overtopping occurrence. The results indicate that most breakwater segments remain in good condition, with an average wave transmission coefficient of 0.32 and approximately 63% reduction in shoreline erosion. Lower performance was identified at locations with inadequate material dimensions and reduced crest elevation. The findings emphasize the importance of regular maintenance and periodic performance evaluation to sustain the long-term effectiveness of coastal protection structures.
Co-Authors Buyung Mantap