DESIGN OF COASTAL PROTECTIVE STRUCTURE IN SEDARI BEACH, KARAWANG REGENCY, WEST JAVA PROVINCE

• Main Author: Andika Siregar - NIM 15514058, Restu
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/30342
• Institution: Institut Teknologi Bandung

<p align="justify">The Indonesian territory is separated by the oceans, so that damage that occurs in coastal areas will have a direct impact on the lives of people in each region due to disruption of the distribution of logistics needs through sea transportation. One of the coastal area in Indonesia which was damaged due to the erosion process was Sedari Beach in Karawang Regency, West Java Province. The erosion process still continues every year and further threatens the existence of residential areas that are behind Sedari Beach. Erosion problems that occur at Sedari Beach need to be addressed by planning a construction of coastal protective structures that will inhibit the erosion process so that community settlement lands remain safe. <br /> <br /> The decline of the coastline due to the erosion process was analyzed by simulating the shoreline setback in the Coastal Engineering Design and Analysis System (CEDAS) program of the Generalized Model for Simulating Shoreline Change (GENESIS) module. Simulations carried out on the program are also used to choose alternative coastal protection buildings that can maintain the coastline. The coastal protective building that will be modeled in the form of Revetment, Breakwater, Groin, and the combination of these structures. Erosion was then dealt with by a combination of protective structures in the Revetment and Groin beaches. Revetments are placed on 260 m and 100 m coastlines while Groins are modeled on three locations with 36 m groin length and distance of each groin as far as 110 m. The revetment is designed with a peak elevation of +2.7 m from the LWS made from natural stone armor to fill the armor layer on the outside and the filter layer on the inside. Groins are designed with a peak elevation of +4.2 m from the LWS made from natural stone armor to fill the armor layer on the outside, the screen filter in the center, and the core layer in the core.<p align="justify"> <br />