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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Teras Jurnal Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) Journal of the Civil Engineering Forum

Prastica, Rian Mantasa Salve

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Author-ID : 1331167

Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Materials Science & Nanotechnology Transportation

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Analisis Banjir dan Perencanaan Desain Transportasi Sungai di Kota Bojonegoro Prastica, Rian Mantasa Salve; Maitri, Caya; Nugroho, Pratomo Cahyo; Hermawan, Ade
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 23, Nomor 2, DESEMBER 2017
Publisher : Department of Civil Engineering, Diponegoro University

One of the worst problem in Bojonegoro is flood. This research aims to know the factor that could become the factor of flood in Bojonegoro. Besides that, this research analyses the planning of transportation river design in Bojonegoro. Flood discharge analysis uses Nakayasu synthesis unit hydrograph for period of 5 years, 10 years, 25 years, 50 years, and 100 years, then they would be compared to the water maximum capacity that could be loaded by the river. According to the analysis result, Bengawan Solo River in Bojonegoro could not able to load flood discharge from Nakayasu synthesis unit hydrograph analysis for all periods. The result conclusion that captured by HEC-RAS application has the same idea. It shows flood water surface is more than full bank capacity elevation. For river transportation design planning, according to analysis of parameter of depth, width for one and two lanes, turning basin and its depth, the ship design that recommended to ship in the Bengawan Solo River in Bojonegoro are cargo ship and passenger ship with draft of 0.6 m and LOA of 18 m, or the capacity of a passenger ship is 70 people.

Pengembangan Floating Constructed Wetland Skala Laboratorium sebagai Reduktor Kandungan Kontaminan Limbah Domestik Badan Air Perkotaan Prastica, Rian Mantasa Salve; Sulaiman, Muhammad
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 27, Nomor 1, JULI 2021
Publisher : Department of Civil Engineering, Diponegoro University

Rendahnya kesadaran akan sanitasi warga kota menciptakan efek negatif terhadap lingkungan yang bervariasi. Faktor-faktor pemicu dari fenomena ini adalah pendidikan dan teknologi konservasi. Teknologi konservasi, eko-teknologi seperti lahan basah buatan, diusulkan untuk menyelesaikan masalah. Pekerjaan laboratorium dilakukan. Makalah penelitian ini bertujuan untuk menggambarkan kinerja efisiensi lahan basah yang dibangun dengan memanfaatkan spesies domestik, dalam skala laboratorium, dari air limbah perkotaan. Media lahan basah yang dibangun disiapkan secara horizontal. Analisis kinerjanya mengarah pada diskusi tentang kualitas air perkotaan. Pengambilan sampel dan uji laboratorium dilakukan untuk memeriksa pH, fosfor, nitrogen, padatan tersuspensi, konduktivitas, COD, dan BOD. Penggunaan Nasturtium officinale sebagai media FTW dapat mereduksi kandungan polutan fosfat, nitrat, dan BOD sebesar 100% dalam waktu 14 hari. Rekayasa masuknya debit secara konstan selama 14 hari menyebabkan kandungan polutan TDS dan TSS berkurang 100%.

Dam Break Analysis of Sermo Dam Sumira, Maria; Anggraheni, Evi; Prastica, Rian Mantasa Salve
Journal of the Civil Engineering Forum Vol. 9 No. 2 (May 2023)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.5619

Sermo Dam is located in the Special Region of Yogyakarta and serves multiple purposes including providing drinking water, supplementing irrigation systems in the Kalibawang area, and flood control. According to data published by the World Commission, 60% of mitigation measures taken to overcome the impact of dam structure failures are unsuccessful. The simulation of dam failure serves as a crucial aspect of flood mitigation plans and strategies because it is more destructive than natural flood waves. This research used HEC-RAS 5.0.7 to examine the flood inundation mapping and simulate dam failure in two dimensions. However, Dam Break Analysis was adopted to provide a Dam Emergency Action Plan Guide to guide managers and the community. The overtopping scenario was adapted to model the failure of the Sermo Dam based on the frequent occurrence of heavy and extreme precipitation in the affected area. Data were analyzed using unsteady flow and PMF discharge with peak inflow discharge of 1276.6 m³/s, which result in an inundation area of 9394 hectares and a maximum flood height of 17 m. Dam failure-induced floods tend to potentially affect eight sub-districts including Kokap, Pengasih, Sentolo, Wates, Panjatan, Galur, Lendah, and Temon. The piping scenario is also considered based on the potential damage that tends to occur. In the piping scenario, the biggest flooding area was 5112 hectares with a maximum flood height of 13 m. About six sub-districts are potentially affected by dam failure-induced floods with Kokap and Sentolo being excluded from the list. Therefore, it is crucial to establish early warning systems and infrastructure to mitigate disaster risks. The results of this research can also inform evacuation planning, damage estimation, and post-flood rehabilitation efforts in the affected areas.

Estimasi Kebutuhan Dimensi Bangunan Penangkap Sedimen pada Saluran Drainase Kota Cirebon Menggunakan Analisis Hidrologi dan Metode USLE Prastica, Rian Mantasa Salve; Setyoasri, Yosephina Puspa
Journal of Applied Civil Engineering and Infrastructure Technology Vol 3 No 1 (2022): Agustus 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/jaceit.v3i1.342

Sediment carried by water is one of the problems that has a negative impact on aquatic ecosystems, especially if the water is used for public consumption. One of the mitigations that can be done is the construction of a sediment trap building so that the water does not contain a lot of solids containing polluting waste nutrients. In this study, the dimensions of the sediment catchment building in Cirebon City were estimated using hydrological analysis and basic hydraulics as research methods. The estimation of erosion and sedimentation rates was carried out using the USLE method. From the results of the analysis, the dimensions of the sediment catcher are required with a height of 2.5 meters and a bottom width of 7 meters and an estimated length of a sediment catcher of 250 meters. Suggestions for future research, it is hoped that the estimation of the construction of this sediment catcher uses a program or analytical tool so that the estimation results are more accurate and effective when implemented in the field.

Keefektifan Penambahan Kapasitas Saluran dan Dinding Penahan Tanah pada Sungai Brantas Hulu di Kediri dalam Mitigasi Banjir Prastica, Rian Mantasa Salve; Pratama, Dhany Saputra; Primasetya, Muhammad Rizki
Teras Jurnal : Jurnal Teknik Sipil Vol. 10 No. 2 (2020): Volume 10 Nomor 2 September 2020
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v10i2.287

Mitigasi banjir merupakan hal penting dilakukan pada wilayah terdampak bencana, misalnya saluran, sungai, drainase, dan lain-lain. Namun, perlu dilakukan penilaian terlebih dahulu agar mitigasi yang dilakukan bersifat efektif. Penelitian ini berfokus di Sungai Brantas bagian hulu di Kediri. Evaluasi pentingnya pelebaran saluran dan pembangunan dinding penahan tanah di kawasan tersebut perlu dilakukan karena dinilai tidak efektif. Penelitian ini menggunakan metode penelitian yang terdiri dari analisis banjir, analisis stabilitas lereng, dan evaluasi skenario baru yang diwacanakan pada saluran yang ditinjau. Berdasarkan hasil analisis hidrologi, pemodelan hidrolika menggunakan HEC-RAS, analisis stabilitas lereng menggunakan SLOPE/W, dan simulasi skenario baru menyimpulkan bahwa intervensi penambahan dimensi kapasitas saluran dan penambahan perkuatan lereng tidak efektif pada Sungai Brantas bagian hulu yang memiliki frekuensi kejadian banjir yang sedikit.

MITIGASI BANJIR STRUKTURAL MENGGUNAKAN MODEL HEC-RAS DAN GEO-STUDIO PADA WILAYAH SUNGAI TOBA-ASAHAN, SUMATERA UTARA Prastica, Rian Mantasa Salve; Widyatmoko, Aditya; Kurniawan, Rezky
Teras Jurnal : Jurnal Teknik Sipil Vol. 11 No. 2 (2021): Volume 11 Nomor 2, September 2021
Publisher : UNIVERSITAS MALIKUSSALEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/tj.v11i2.519

Abstrak Permasalahan banjir menjadi isu utama di Indonesia dan di dunia. Strategi manajemen pengendalian banjir dapat berupa upaya mitigasi struktural dan non-struktural. Adanya perkembangan penelitian menyebutkan bahwa mitigasi non-struktural memiliki dampak yang baik dalam mereduksi banjir. Penelitian ini mengambil studi kasus di daerah studi yaitu Wilayah Sungai Toba-Asahan, tepatnya di Sungai Silau. Apakah mitigasi struktural dalam pengendalian banjir signifikan? Analisis kapasitas hidrolika menggunakan software HEC-RAS adanya penurunan limpasan banjir dari kondisi eksisting ke kondisi skenario normalisasi sungai. Begitu pula nilai safety factor lereng sungai pada lokasi tinjauan menggunakan software Geo-Studio yang naik sebesar 139%. Opsi usulan desain bendungan urugan juga dapat mereduksi banjir sebesar 24,83%. Sehingga, dapat disimpulkan bahwa mitigasi struktural signifikan dalam pengendalian banjir. Namun, mitigasi struktural tidak bersifat sustainable bagi pemangku kepentingan, sehingga perlu ada skenario simulasi menggunakan mitigasi non-struktural. Kata kunci: pengendalian banjir, mitigasi struktural, mitigasi non-struktural, flood routing Abstract The problem of flooding is a major issue in Indonesia and in the world. Flood control management strategies can take the form of structural and non-structural mitigation measures. The development of research states that non-structural mitigation has a good impact in reducing flooding. This research took a case study in the study area, namely the Toba-Asahan River Basin, to be precise in the Silau River. Is structural mitigation in flood control significant? Analysis of hydraulic capacity using HEC-RAS software shows a decrease in flood runoff from existing conditions to river normalization scenario conditions. Likewise, the river slope safety factor value at the review location using Geo-Studio software increased by 139%. The proposed option for embankment dam design can also reduce flooding by 24.83%. Thus, it can be concluded that structural mitigation is significant in flood control. However, structural mitigation is not sustainable for stakeholders, so there needs to be a simulation scenario using non-structural mitigation. Keywords: flood management, structural mitigation, non-structural mitigation, flood routing

Co-Authors Evi Anggraheni, Evi Kurniawan, Rezky Maitri, Caya Muhammad Sulaiman Nugroho, Pratomo Cahyo Pratama, Dhany Saputra Primasetya, Muhammad Rizki Setyoasri, Yosephina Puspa Sumira, Maria Widyatmoko, Aditya

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