Desain Breakwater Sisi Miring Sebagai Upaya Mengantisipasi Limpasan Air Laut Pada Bangunan Revetment  Di Pantai Malabero Kota Bengkulu

Yannovita, Welendri; Besperi, Besperi; Gunawan, Gusta

doi:10.33369/ijts.9.2.1-10

Cited by 3 publications

(3 citation statements)

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“…Di pantai yang landai gelombang pecah bisa terjadi beberapa kali. Revetment atau dinding pantai adalah bangunan yang memisahkan daratan dan perairan pantai, yang terutama berfungsi sebagai pelindung pantai terhadap erosi dan limpasan gelombang (overtopping) ke darat (Yannovita, 2017). Daerah yang dilindungi adalah daratan tepat di belakang bangunan.…”

Section: Gambar 1 Revertment Dengan Blok Betonunclassified

Perencanaan Revetment pada Sebelah Timur Pantai Kuala Jangka Kecamatan Jangka Kabupaten Bireuen

Fahmi

2023

REKATEK

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Kuala Jangka Beach is one of the beaches in the village of Jangka Alue, Term District, Bireuen Regency, Aceh Province. Which is a tourist spot and also a fishery area for fishermen. Waves that are high enough to impact the shoreline so that some areas are eroded due to erosion. Therefore, a coastal protection structure is needed, namely a revetment. A revetment is a coastal protection structure that functions to protect the beach from scouring waves to minimize erosion around the coast. The data used in this planning are wind data, bathymetry, and tidal data. Based on the results of the analysis it is known that the dominant wind that occurs is from the east which is equal to 36%, with the greatest speed being 10 knots or 8.65 m/s. The design wave height calculated from the prevailing wind characteristics is 1,699 m. Sedimentation analysis shows that sedimentation at Kuala Term Beach is dominated by longshore sediment transport which reaches 1,360,132.805 m3/year. Revetment construction is calculated using the general revetment planning formula. The revetment was built from the mountain rock. The height of the revetment building is 3 m with a peak width of 1.5 m and the thickness of the revetment guard wall is 1.5 m and the weight of the bag as a protective layer is 0.301 tons. Meanwhile, the height of gaiters for revetment buildings is 0.75 m with a width of 2.5 m.

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Section: Gambar 1 Revertment Dengan Blok Betonunclassified

Perencanaan Revetment pada Sebelah Timur Pantai Kuala Jangka Kecamatan Jangka Kabupaten Bireuen

Fahmi

2023

REKATEK

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“…Alternatif 1 adalah bangunan revetment yang memisahkan daratan dan perairan pantai dan berfungsi sebagai pelindung pantai terhadap erosi dan limpasan gelombang (Yannovita et al, 2017). Revetment dibuat dengan sisi miring menghadap ke laut guna menyerap energi gelombang sepenuhnya pada dinding dan terbuat dari beton bertulang dan timbrisan batu sebagai pengisi (Bestari, 2022).…”

Section: Alternatif Penangananunclassified

Studi Perlindungan Pantai Desa Larike Kabupaten Maluku Tengah

Huwae,

Parera

2023

SLJIL

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This study aims to analyze and understand the characteristics of the waves that hit the coastal wall of Larike Village and analyze an effective coastal protection system as an alternative to protecting the coast. The research was conducted on the beach of Larike Village, Central Maluku Regency. Survey research methodology and direct field observation, wave forecasting based on wind data using the Shore Protection Manual method with the help of Windrose Software. Extreme wave heights at certain periods can be determined using the Gumbel distribution method, while the effects of sea level fluctuations (tide and ebb) are analyzed using the Admiralty method. The results showed that the maximum wave height in the deep sea (Ho) was 2.60 m, wavelength (L) 35.679 m and, speed (C) 4.789 m/s in the period (T) 6.70 seconds from the southwest. The best security alternative is obtained in the form of a rubble mound breakwater structure placed at a depth of -5 m with a distance from the shoreline (y) = 70 m, length L of the building = 134 m, and gap width (b) = 50.60 m giving a reflection of 30 %, absorbing 51.8% of wave energy and 18.2% of transmitting waves.

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“…Beberapa penelitian sebelumnya mengenai desain dan konstruksi pemecah gelombang dengan sisi miring ini pernah di uraikan oleh Hidayat, (2006), bahwa kerusakan pantai bila tidak teratasi secara dini, maka lambat laun akan berdampak terhadap kerusakan daerah pantai yang diperpanjang hingga mencapai daerah sempadan pantai tersebut. Yannovita et al, (2017) juga menjelaskan bahwa Hasil dari perhitungan penelitian breakwater mempunyai elevasi puncak 5,55 m, lebar puncak 3,71 m pada bagian kepala dan 3,91 m pada bagian lengan . Beberapa peneliti seperti Refi, (2013), menjelaskan bahwa armor batu memiliki berat yang paling besar daripada armor tetrapod dan A-Jack.…”

Section: A Pendahuluanunclassified

Desain dan Konstruksi Pemecah Gelombang dengan Sisi Miring

2020

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Sloping breakwater is the type of breakwater requires large volume of rock and protection armor. Material increase during construction is often occur due to several factors. The main influenced factor is wave condition during construction. The main purpose of this research is to investigate the increasement of the materials due to breakwater profile changes caused by wave action during construction stage based on literature study of real construction data of breakwater construction at one of the thermal power plant in South Java Sea. This research is expected to provide an overview for designers to determine the cross-profile of a breakwater which is constructible and select the appropriate construction method to reduce the risk of excessive material increase during construction, especially for breakwaters located in deep and rough sea.

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Desain Breakwater Sisi Miring Sebagai Upaya Mengantisipasi Limpasan Air Laut Pada Bangunan Revetment Di Pantai Malabero Kota Bengkulu

Cited by 3 publications

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Perencanaan Revetment pada Sebelah Timur Pantai Kuala Jangka Kecamatan Jangka Kabupaten Bireuen

Perencanaan Revetment pada Sebelah Timur Pantai Kuala Jangka Kecamatan Jangka Kabupaten Bireuen

Studi Perlindungan Pantai Desa Larike Kabupaten Maluku Tengah

Desain dan Konstruksi Pemecah Gelombang dengan Sisi Miring

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