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All Journal Jurnal Transportasi Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Potensi : Jurnal Sipil Politeknik Journal TEPAT: Teknologi Terapan untuk Pengabdian Masyarakat Industrial Research Workshop and National Seminar International Journal of Accounting & Finance in Asia Pasific Berkala Forum Studi Transportasi antar Perguruan Tinggi

Sihombing, Atmy Verani Rouly

Jurusan Teknik Sipil, Politeknik Negeri Bandung

Author-ID : 619149

Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences Transportation Other

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THE EFFECT OF BIOPOLYMER MIXTURE AS A STABILIZATION AGENT ON PEAT SOIL TO INCREASE SOIL SHEAR STRENGTH BY DIRECT SHEAR TEST Setyaningrum, Dewi Janti; Yuswandono, Mulyadi; Amalia, Dewi; Sihombing, Atmy Verani Rouly; Krisologus, Yulianto Petrus; Siswanto, Antonius; Sukandar, Beny Mulyana
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 28, No 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5239

Peat soil stabilization with a mixture of biopolymer materials with a mixture variation of 0.5%, 1%, 2%, 2.5%, and 3% to soil weight. This study aims to analyze the physical properties of peat soil in the Palangka Raya area and analyze the effect of adding a mixture of chitosan biopolymer with peat soil on the value of peat soil shear strength. Examination of soil physical properties includes moisture content examination, fiber content examination, specific gravity examination and volume weight examination. Meanwhile, the examination of mechanical properties in native soils and mixed soils is carried out by direct shear test. The results showed that peat soil in the Palangka Raya area had a moisture content value of 779.87%, fiber content of 61.44%, specific gravity of 1.41, and volume weight of 1.08 g/cm3. The results of direct shear testing on native soil obtained a cohesion value (c) of 0.04 kg/cm2 and a deep shear angle value (φ) of 4.50°. The addition of biopolymer mixtures to the original soil results in cohesion values and deep shear angle values tend to increase with each addition of mixture variations. The highest increase in cohesion value (c), deep shear angle (φ) and soil shear strength (τ) occurred with the addition of 2.5% biopolymer and 3% biopolymer 28-day curing. This shows that the addition of biopolymer mixtures will provide an increase in the shear strength value of the soil, which makes the soil better and more stable.

Economic Feasibility Analysis of Local Road Maintenance in West Bandung Regency: A Case Study of Cangkorah Street STA 0+000 – 1+300 Juarti, Ery Radya; Sihombing, Atmy Verani Rouly; Pratiwi, Yola Widi; Fadillah, Sekar
International Journal of Accounting & Finance in Asia Pasific (IJAFAP) Vol 6, No 1 (2023): FEBRUARY EDITION OF INTERNATIONAL JOURNAL OF ACCOUNTING FINANCE IN ASIA PASIFIC
Publisher : AIBPM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/ijafap.v6i1.1755

This study aims to determine the economic feasibility of local road maintenance scenario in West Bandung Regency with case study of the Cangkorah Street. After knowing the International Roughness Index (IRI) value based on the IKP value from the results of a direct survey using IKP guidelines, the economic feasibility analysis is carried out based on a road maintenance scenario, while the maintenance scenario being tested is a do-something scenario, by doing road maintenance in the form of overlay once every 5 years in 10 year time compared by a do-nothing scenario that is not doing any maintenance for the next 10 years. The research instruments used were prediction of the performance of the Cangkorah Street Pavement for the next 10 years, determine road maintenance scenarios, maintenance budget plans, calculate Vehicle Operational Costs (VOC) for each scenario, and time value. The results of this study are: (1) The budget plan for the maintenance of the Cangkorah Street in the do-something scenario with overlays 3 times in 10 years is Rp. 4,168,019,982, (2) The actual VOC for the do-nothing scenario was Rp. 57,345,718,978 and the actual VOC for the do-something scenario was Rp. 3,132,189,189 with VOC savings was Rp. 54,213,529,789, (3) The time value of the scenario for the next 10 years obtained savings of Rp. 399,241,414, (4) The feasibility of do-something scenario from an economic point of view shows that the scenario is feasible with a NPV of Rp. 36,674,480,627>0 and a BCR of 11,39 >1.

KEPEKAAN TERHADAP PERUBAHAN TEMPERATUR ASPAL DAUR ULANG YANG DIMODIFIKASI OLEH BIOASPAL Sihombing, Atmy Verani Rouly; Subagio, Bambang Sugeng
Berkala Forum Studi Transportasi antar Perguruan Tinggi Vol. 1 No. 1 (2023): Berkala Forum Studi Transportasi antar Perguruan Tinggi
Publisher : Prodi Teknik Sipil, Fakultas Teknik, Universitas Jember dan Forum Studi Transportasi antar Perguruan Tinggi

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The effect of using bioasphalt of coconut shell (BTK) and bitutechRAP as recycled asphalt (RA-binder) rejuvenators based on temperature susceptibility (penetration index, PI) is the aims of this study. This RA-binder has a penetration of 10 with the PI value of 0.98, which indicates that the RA-binder has experienced aging with sensitivity to average temperatures. With the bio-asphalt content of 0% to 30%, resulting in an increased penetration value and decreasing softening point, the highest PI value was 1.02 at 20% BTK content (penetration 54), and 0.57 at 16% bitutechRAP content (penetration 58). The content of bioasphalt which produces penetration of 60 – 80, has a smaller PI value, it shows that the increase in the performance of RAbinder using bio-asphalt based on the penetration parameters and the softening point is not in line with the rise in the performance of the RA binder based on PI. However, when compared with pen 60/70 with a PI of -0.31, the PI value of the RAbinder modified by bio-asphalt was better. ABSTRAK Studi ini bertujuan untuk mengetahui pengaruh penggunaan bioaspal tempurung kelapa (BTK) dan bitutechRAP sebagai bahan peremaja aspal daur ulang (RAbinder) berdasarkan parameter kepekaan aspal terhadap perubahan temperatur (penetration indeks, PI). RA binder ini memiliki penetrasi 10 dmm dengan nilai PI sebesar 0,98 yang menunjukkan bahwa aspal sudah mengalami penuaan dengan kepekaan terhadap temperatur normal. Dengan variasi kadar bioaspal 0% sampai 30% terhadap berat RA binder, menghasilkan penetrasi yang semakin meningkat dan semakin menurunnya titik lembek, nilai PI tertinggi sebesar 1,02 pada kadar BTK 20% (penetrasi 54), dan 0,57 pada kadar bitutechRAP 16% (penetrasi 58). Pada kadar bioaspal yang menghasilkan aspal dengan penetrasi 60 – 80, memiliki nilai PI yang lebih kecil, hal tersebut menunjukkan bahwa peningkatan performa RAbinder menggunakan bioaspal berdasarkan parameter penetrasi dan titik lembek tidak sejalan dengan peningkatan performa RA binder berdasarkan PI. Dibandingkan dengan pen 60/70 (PI -0,31) nilai PI dari RA binder yang dimodifikasi bioaspal lebih baik.

ANALISIS PERPANJANGAN DAN DESAIN KETEBALAN STRUKTUR PERKERASAN LENTUR RUNWAY BANDAR UDARA INTERNASIONAL I GUSTI NGURAH RAI Irvayana, I Putu Dika; Sihombing, Atmy Verani Rouly; Rahman, Harmein
Berkala Forum Studi Transportasi antar Perguruan Tinggi Vol. 1 No. 1 (2023): Berkala Forum Studi Transportasi antar Perguruan Tinggi
Publisher : Prodi Teknik Sipil, Fakultas Teknik, Universitas Jember dan Forum Studi Transportasi antar Perguruan Tinggi

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I Gusti Ngurah Rai International Airport is developing the airside facilities by extending the runway and hoping the runway would accommodate the A380-000 which is larger than the current critical aircraft type B777-300ER. Lengthening the runway is one way to breakdown the heavy traffic, the larger aircraft certainly accommodate more passengers and cargo than the current operating aircraft. In this study, an analysis of the need for additional runway length along with the pavement structure design was carried out to accommodate A380-800, A340, B777-300ER, B747-400ER and B747-800. The analysis results show than an additional 1100 m on existing runway is needed to accommodate the 5 types of aircraft used in this analysis that able to take off in full load conditions. With 6% of CBR value, is needed a flexible pavement structure thickness 28,4 inch above the subgrade layer is required for 20 years pavement design. ABSTRAK Bandar Udara Internasional I Gusti Ngurah Rai tengah dalam tahap pembangan fasilitas sisi udara dengan melakukan pemanjangan runway dengan harapan runway dapat mengakomodasi pesawat jenis A380-800 yang lebih besar dibandingkan dengan pesawat terkritis saat ini tipe B777-300ER. Perpanjangan runway merupakan salah satu cara mengurai padatnya traffic, pesawat yang lebih besar tentunya dapat menampung penumpang dan cargo lebih banyak dibandingkan tipe pesawat yang beroperasi saat ini. Dalam penelitian ini, dilakukan analisis terhadap kebutuhan tambahan panjang runway beserta desain struktur perkerasan untuk mengakomodasi pesawat tipe A380-800, A340, B777-300ER, B747-400ER, dan B747-800. Hasil analisis menunjukan bahwa dibutuhkan tambahan runway sepanjang 1100 m pada panjang runway eksisting untuk mengakomodasi 5 tipe pesawat yang digunakan dalam analisis dapat melakukan take-off dalam kondisi full load. Dengan nilai CBR 6%, dibutuhkan struktur perkerasan lentur setebal 28,4 in di atas permukaan subgrade untuk desain perkerasan 20 tahun.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32535/ijafap.v6i1.1755

This study aims to determine the economic feasibility of the local road maintenance scenario in West Bandung Regency with a case study of Cangkorah Street. As a strategic road to pass through the route to the city of Bandung and have a heavy traffic with a lot of heavy vehicles pass the road, roads must be maintained in order to create a safe and comfortable road for passengers. There are several ways to maintain the road, one of them is direct survey using IKP guidelines. The result from IKP value by using IKP guidelines will produce in an International Roughness Index (IRI) values the economic feasibility analysis is carried out based on a road maintenance scenario, while the maintenance scenario being tested is a do- something scenario, by doing road maintenance in the form of overlay once every 5 years in 10 year time compared by a do-nothing scenario that is not doing any maintenance for the next 10 years. The research instruments used were prediction of the performance of the Cangkorah Street Pavement for the next 10 years, determine road maintenance scenarios, maintenance budget plans, calculate Vehicle Operational Costs (VOC) for each scenario, and time value. The conclusion of the study is comparing to the scenarios, do-nothing and do-something, the feasibility of do- something scenario from an economic point of view shows that the scenario is feasible with NPV is Rp. 36,674,480,6270 and a BCR of 11.391.

Kinerja Perkerasan Jalan Menurut Pedoman IKP Pd-01-2016-B (Studi Kasus : Jalan Nasional Losari – Cirebon KM 26+500 – 30+000) Sihombing, Atmy Verani Rouly; Surbakti, Destiadi Pindonta; Fadilah, AM Khoirul; Ruth Esther Ambat; Sirait, Togar; Prayogo, R. Desutama Rachmat Bugi
Potensi: Jurnal Sipil Politeknik Vol 23 No 2 (2021): Potensi: Jurnal Sipil Politeknik
Publisher : Department of Civil Engineering, Politeknik Negeri Bandung

Penelitian ini bertujuan untuk menilai kinerja perkerasan jalan dengan menggunakan pedoman indeks kondisi perkerasan (IKP) Pd-01-2016-B, untuk mengetahui kinerja perkerasan jalan berdasarkan kondisi strukturalnya, baik untuk perkerasan jalan lentur maupun kaku. IKP dapat menjadi dasar dalam memberikan rekomendasi penanganan/pemeliharaan jalan baik secara preventif ataupun represif. Lokasi studi dilakukan pada ruas Jalan Nasional Losari – Cirebon KM 26+500 s/d 30+000, merupakan ruas jalan kelas I yang melayani kendaraan dengan sumbu terberat 10-ton, jenis perkerasan menggunakan substitusi lapis fondasi struktur perkerasan jalan tersebut menggunakan teknologi Cold Mix Recycling by Foam Bitumen (CMRFB) dan Cement Treated Recycling Base (CTRB). Sebagai jalan strategis yang sering dilalui oleh kendaraan berat, serta jenis perkerasan jalan yang tidak biasa atau berbeda dengan jalan lain pada umumnya, sehingga penilaian kondisi jalan pada ruas jalan tersebut perlu dilakukan secara teratur untuk mendapatkan penanganan yang tepat pada perencanaan pemeliharaan yang dilakukan secara preventif setiap tahunnya. Sehingga diharapkan kondisi jalan sesuai dengan standar pelayanan jalan nasional. Hasil analisis menunjukkan bahwa dari 3,5 km panjang jalan, kondisi jalan 39% Sangat Baik, 27% Baik, 21% Sedang, 9% Jelek, 3% Parah, dan 1% Sangat Parah. Jenis penanganan yang direkomendasikan adalah 39% pemeliharaan rutin, 27% pemeliharaan berkala, 21% peningkatan struktural, dan 13% rekonstruksi/ daur ulang.

Co-Authors Aditia Febriansya Aghnia Monica Saniy, Aghnia Monica Andri Krisnandi Somantri Antonius Siswanto Antonius Siswanto Asep Sundara Bambang Sugeng Subagio Bambang Sugeng Subagio Daniel Octova Agusaputra Dewi Amalia Eri Susanto Hariyadi Ery Radya Juarti, Ery Radya Fadilah, AM Khoirul Fadilah, Linda Winarni Fadillah, Sekar Firdayanti Hamdan Kurnia Harmein Rahman Irvayana, I Putu Dika Khairunnisa, Madhu Krisologus, Yulianto Petrus Maulinda, Derina Mulyadi Yuswandono Nadia Azhari Alfiyyati Nursyafril Nurul Fauziah Pratiwi, Yola Widi Prayogo, R. Desutama Rachmat Bugi Putri Tiara Kasih Retno Utami Retno Utami Reza Phalevi Sihombing Ruth Esther Ambat S Syahril Salma Fadhilah Suryadi Setyaningrum, Dewi Janti Shafa Liza Ainy Sirait, Togar Situmorang, Jhonassen Morientes Sukandar, Beny Mulyana Surbakti, Destiadi Pindonta Syahputra, Muhammad Rangga

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