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All Journal Jurnal Kelautan Tropis Inersia : Jurnal Teknik Sipil
Rio Saputra
Universitas Bengkulu
Civil Engineering, Building, Construction & Architecture

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Investigasi Arus Sejajar Pantai (Longshore Current) di Daerah Abrasi Bengkulu Utara Ashar Muda Lubis; Nia Veronica; Rio Saputra; Juhendi Sinaga; M. Hasanudin; Edi Kusmanto
Jurnal Kelautan Tropis Vol 23, No 3 (2020): JURNAL KELAUTAN TROPIS
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jkt.v23i3.8045

Abstract

The coastal area of Serangai Village is directly facing the open sea; as a result it is vulnerable to coastal abrasion. Longshore currents can accelerate the process of coastal abrasion. The study was aimed to determine the speed and direction of current as well as the existence of the longshore current at the Serangai. Field observation was conducted on 5-7 November 2018. The results showed that the frequency distribution of current at speed of 0-10 cm/s reached 69%, and at speed of 10-20 cm/s reached 25%. The highest speed of 20-30 cm/s has a frequency of 6 %. Moreover, the direction of the majority of ocean currents is to the southeast (120o-150o), showing that the current is more likely to be parallel to the shoreline called longshore current that can accelerate shoreline Serangai Village, Bengkulu. However, further research is needed to see variability of current associated with the season (monsoon). Wilayah pesisir Desa Serangai berhadapan langsung dengan laut lepas; sehingga rentan terhadap abrasi pantai. Arus sejajar pantai dapat mempercepat proses abrasi pantai. Penelitian bertujuan untuk mengetahui kecepatan dan arah arus serta keberadaan arus sejajar pantai di Serangai. Pengamatan lapangan dilakukan pada tanggal 5-7 November 2018. Hasil penelitian menunjukkan bahwa distribusi frekuensi arus pada kecepatan 0-10 cm/s mencapai 69%, dan pada kecepatan 10-20 cm/s mencapai 25%. Kecepatan tertinggi 20-30 cm/s memiliki frekuensi 6%. Selain itu, arah arus laut mayoritas ke arah tenggara (120o-150o), menunjukkan bahwa arus lebih cenderung sejajar dengan garis pantai yang disebut arus sejajar pantai yang dapat mempercepat garis pantai Desa Serangai, Bengkulu. Namun, penelitian lebih lanjut diperlukan untuk melihat variabilitas arus yang terkait dengan musim (monsun).
ANALISIS PENGARUH KENDARAAN PARKIR DI BADAN JALAN SEBAGAI HAMBATAN SAMPING TERHADAP KINERJA RUAS JALAN MAHONI KOTA BENGKULU Samsul Bahri; Rio Saputra; Yuzuar Afrizal
Inersia: Jurnal Teknik Sipil Vol 10, No 2 (2018)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (87.044 KB) | DOI: 10.33369/ijts.10.2.69-74

Abstract

Parking on the road body is one of the causes of traffic congestion, therefore the handling of parking on the road becomes very important and has a positive impact on solving traffic congestion problems. The purpose of this study was to determine the effect of parking vehicles on the road body on the performance of the Mahoni Street in Bengkulu City. Data collection methods and techniques include road geometric surveys, traffic volume surveys, side barriers and speed surveys. To get the data in this study is done by recording the state of the road and calculating the number of vehicles that cross the road through the recording.Data generated at peak hours in the form of a capacity of 1544,076 smp/hour traffic volume of 1281.2 sm / hour with a degree of saturation of 0.83 is at the level ofservice D which means approaching an unstable current, low speed. DS value is above the degree of saturation required by MKJI, namely DS <0.75. It is necessary to do alternative countermeasures by moving the parkinglocated on Mahoni Street resulting in a capacity of 2218.5 smp/hour and a saturation degree of 0.50 with level ofservice C which means that the current is stable and the speed is controlled by traffic.
Co-Authors Ashar Muda Lubis Edi Kusmanto Juhendi Sinaga M. Hasanudin Nia Veronica Samsul Bahri Yuzuar Afrizal