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Analisis Waktu Pelayanan Kapal di Pelabuhan Penyeberangan Tanjung Api-Api Novi Tri Susanto; Erika Buchari; Edi Kadarsa
Jurnal Rekayasa Sipil dan Lingkungan Vol 5 No 1 (2021): Jurnal Rekayasa Sipil dan Lingkungan
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jrsl.v5i1.25038

Abstract

The Ferry Port of South Sumatra Province is located in Tanjung Api-Api, Banyuasin Regency. This port connects to the Port of Tanjung Kelian – Muntok, Province of the Bangka Belitung Islands. Problems that often occur in the management and operation of the Tanjung Api-Api ferry port are service performance problems that cause ineffective port management due to low service and the occurrence of queues of ships to lean on and carry out loading and unloading activities because they have to wait for ships that have not finished doing the activity on the pier. So that it causes complaints and dissatisfaction of service users with crossing transportation services. This paper is intended to analyze the service time of ships at the port by calculating the average time of raising and lowering passengers and vehicles as well as the average time of maneuvering ships docking and leaving the port pool, as well as adding the variables of opening and closing times for ramps and processing time for approval letters. The sail has not been added by previous researchers. Then the calculation results are compared with the service time that has been set at the Tanjung Api-Api ferry port. The results of the study the average service time of ships at the Tanjung Api-Api ferry port is 121.175 minutes/ship. The ship's service time exceeds the ship's service time that has been set at the port, which is 120 minutes/ship. Abstrak Pelabuhan Angkutan Penyeberangan Provinsi Sumatera Selatan terletak di Tanjung Api-Api Kabupaten Banyuasin. Pelabuhan ini menghubungkan ke Pelabuhan Tanjung Kelian - Muntok Provinsi Kepulauan Bangka Belitung. Permasalahan yang sering terjadi dalam pengelolaan dan penyelenggaraan di pelabuhan penyeberangan Tanjung Api-Api adalah masalah kinerja pelayanan yang menyebabkan pengelolaan pelabuhan yang tidak efektif dikarenakan rendahnya pelayanan dan terjadinya antrian kapal untuk bersandar dan melakukan kegiatan bongkar muat, karena harus menunggu kapal yang belum selesai melakukan aktivitas di dermaga. Sehingga menimbulkan keluhan dan ketidak puasan pengguna jasa terhadap pelayanan angkutan penyeberangan. Paper ini dimaksudkan untuk menganalisis waktu pelayanan kapal di pelabuhan dengan menghitung waktu rata-rata menaikkan dan menurunkan penumpang dan kendaraan serta waktu rata-rata manuver kapal merapat dan keluar dari kolam pelabuhan, serta menambahkan variabel waktu buka dan tutup pintu rampa serta waktu pengurusan surat persetujuan berlayar yang belum ditambahkan oleh peneliti sebelumnya. Kemudian hasil perhitungan dibandingkan dengan waktu pelayanan yang telah ditetapkan di pelabuhan penyeberangan Tanjung Api-Api. Hasil penelitian rata-rata waktu pelayanan kapal di pelabuhan penyeberangan Tanjung Api-Api sebesar 121,175 menit/ kapal. Waktu pelayanan kapal tersebut melebihi waktu pelayanan kapal yang telah ditetapkan di pelabuhan yaitu 120 menit/kapal.
Strategies to Improve Public Transportation Services for Students of The University of Bengkulu Zia Felina; Melawaty Agustien; Edi Kadarsa
Eduvest - Journal of Universal Studies Vol. 5 No. 4 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i4.51109

Abstract

The choice of transportation mode is a crucial aspect of student mobility, especially in higher education environments with high levels of activity. Students tend to select transportation modes based on cost, travel time, convenience, accessibility, and safety. However, the high use of private vehicles among students has led to increased traffic congestion and road accidents, as seen in Bengkulu City. On the other hand, the suboptimal quality of public transportation services has contributed to the low interest of students in using public transport. This study aims to analyze the factors influencing the transportation mode choice of Universitas Bengkulu students and to evaluate the effectiveness of public transportation services. The method used is binary logistic regression analysis combined with stated preference to understand mode preferences based on cost and travel time comparisons. The resulting mode choice model indicates that students prefer private vehicles unless public transportation offers more competitive costs and travel times. The study results reveal that travel cost and time are the most influential factors in mode selection. If public transportation becomes more affordable or offers shorter travel times, students are more likely to switch to it. The study concludes that improving the quality of public transportation services, particularly in terms of cost efficiency and punctuality, can increase student interest in using public transport, thereby supporting a more sustainable transportation system.
The Effect of Addition LDPE Plastic on Porous Asphalt Mixture Muhammad Yodhi Saputra; Melawaty Agustien; Edi Kadarsa
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol. 8 No. 1 (2023): EDISI MARET 2023
Publisher : UNITRI PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v8i1.4607

Abstract

Many recent studies have used plastic waste as an ingredient in conventional asphalt mixtures. However, they did not notice that the addition of plastics can reduce the permeability of asphalt mixtures, which means that porous asphalt is a better plastic trash that will be added to a specific type of asphalt mixture. Despite having a low marshall value, porous asphalt provides a benefit in terms of permeability. Low-density polyethylene (LDPE), a form of plastic trash employed in this study, boosted the Marshall stability mark. This study changed porous asphalt by adding LDPE plastic for usage on the field, then tested for marshall stability and permeability. A porous asphalt mixture should be created as a result of this study's findings with the highest percentage of plastic content without reducing its permeability classification, considering the percentage of plastic used. It is equally essential, and evaluating the wheel tracking machine will help gather more information about its resistance to deformation. The permeability test of porous asphalt with the addition of plastic at 0%, 5%, 10%, 15%, and 20%, respectively, produced findings that were 0.2002 cm/s, 0.1507 cm/s, 0.1131 cm/s, and 0.0897 cm/s. The results of the Marshall stability check on porous asphalt with the percentage of added plastic starting from 0, 5, 10, 15, and 20 percent show values of 571.52 kilograms, 716.9067 kilograms, 731.9467 kilograms, 817.1733 kilograms, and 912 .4267 kilograms. In the wheel tracking machine test, it works well for dynamic stability values at a plastic percentage of 20%, or 7159.091 passes/mm.ABSTRAKBanyak penelitian telah menggunakan limbah plastik sebagai bahan campuran aspal konvensional beberapa tahun terakhir. Namun, mereka tidak memperhatikan bahwa plastik dapat mengecilkan permeabilitas campuran aspal, yang berarti aspal berpori adalah jenis campuran aspal yang lebih baik untuk dicampur dengan sampah plastik. Meskipun aspal berpori memiliki nilai marshall yang rendah, namun aspal jenis ini memiliki keunggulan pada permeabilitasnya. Dalam penelitian ini limbah plastik yang digunakan adalah jenis LDPE (low density polyethylene), yang mana terbukti memberikan peningkatan terhadap nilai stabilitas marshall. Penelitian ini mengubah aspal berpori dengan menambahkan plastik LDPE agar dapat digunakan di lapangan, kemudian dilakukan pengujian stabilitas marshall dan permeabilitas, Hasil penelitian ini diharapkan akan menghasilkan campuran aspal berpori dengan persentase kadar plastik tertinggi tanpa mengurangi klasifikasi permeabilitasnya dengan memperhitungkan persentase plastik yang digunakan. Hal yang tidak kalah penting, dibutuhkan data tambahan tentang ketahanan deformasinya melalui pengujian whell tracking machine. Dari hasil pengujian yang dilakukan, Dengan persentase penambahan plastik pada 0, 5, 10, 15, dan 20 berturut-turut, permeabilitas aspal berpori mencapai 0,2002 cm/s, 0,1640 cm/s, 0,1507 cm/s, dan 0,1131 cm/s, dan 0,0897 cm/s. Hasil dari pemeriksaan stabilitas Marshall pada aspal berpori dengan besaran persentase penambahan plastik mulai dari 0, 5, 10, 15, dan 20 persen menunjukkan nilai 571,52 kilogram, 716,9067 kilogram, 731,9467 kilogram, 817,1733 kilogram, dan 912,4267 kilogram. Untuk nilai stabilitas dinamis pada pengujian whell tracking machine memberikan hasil yang baik pada persentase plastik 20% yaitu sebesar 7159,091 lintasan/mm.