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All Journal Inersia : Jurnal Teknik Sipil dan Arsitektur Jurnal Teknik Sipil Prosiding Forum Studi Transportasi Antar Perguruan Tinggi LIMNOTEK Berkala Forum Studi Transportasi antar Perguruan Tinggi Jurnal Teknik Sipil
Cantik, Bella Koes Paulina
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Social Sciences Transportation Other

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EFEKTIVITAS PENGGELONTORAN SEDIMEN (FLUSHING) STUDI KASUS WADUK PB SOEDIRMAN Cantik, Bella Koes Paulina; Legono, Djoko; Rahardjo, Adam Pamudji
Jurnal Teknik Sipil Vol 16, No 1 (2020)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (835.194 KB) | DOI: 10.24002/jts.v16i1.4213

Abstract

Sedimentasi waduk menjadi salah satu masalah kompleks yang harus ditangani secara tepat. Banyak upaya pemeliharaan waduk yang dilakukan agar umur teknis waduk dapat bertahan sesuai perencanaan, salah satu diantaranya adalah pengeluaran sedimen dari dalam waduk dengan cara flushing. Flushing atau penggelontoran sedimen dalam jumlah yang masif menjadi salah satu solusi yang ditawarkan untuk mengurangi sedimen yang terlanjur mengendap guna mencapai efektivitas dan efisiensi pembuangan sedimen dari dalam waduk. Waduk Mrica merupakan salah satu waduk di Indonesia yang rutin melakukan flushing sebagai upaya pemeliharaan. Flushing Waduk Mrica melalui drawdown culvert (DDC) sudah dilakukan sejak tahun 1992 namun volume aktif waduk semakin menurun setiap tahunnya. Tujuan dari penelitian ini untuk mengevaluasi kinerja flushing dengan menghitung nilai flushing feasibility dengan mendasarkan pada praktik atau pelaksanaan flushing Waduk Mrica selama ini serta berdasarkan kriteria dan rumus pendekatan. Hasil analisis menunjukkan bahwa nilai efektivitas tertinggi adalah pada tahun 2014 dengan nilai 0,059 untuk Metode Morris & Fan dan Metode Qian, dan 0,067 untuk Metode Lai & Shen. Sedangkan untuk Metode Ackers & Thompson menghasilkan nilai 0,858. Hasil perhitungan feasibility study menunjukkan bahwa flushing yang dilakukan Waduk Mrica pada tahun tertinjau belum dapat dikategorikan layak dikarenakan kriteria Sediment Balance Ratio with Full Drawdown tidak terpenuhi. Penelusuran waduk menunjukkan bahwa adanya konsistensi nilai head loss coefficient dengan range nilai 3,98 sampai dengan 4,14 pada penggelontoran sedimen di Waduk Mrica. Sehingga dapat disimpulkan bahwa flushing dapat mencapai feasible dan efektif bila dilakukan pada saat inflow mulai naik, durasi melebihi 13 jam, dan debit flushing mencapai 280 m3/s.
Assessment of Soil Loss Using RUSLE Method in Mrica Reservoir Catchment, Central Java, Indonesia Cantik, Bella Koes Paulina; Ramon Putra; Elenora Gita Alamanda Sapan; Djoko Legono; Kisindi Nur Afifah
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 29 No. 2 (2023)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2023.2210

Abstract

The Indonesian government has identified the Serayu Watershed as a priority area for restoration within the National Mid-Term Development Plan. One of the significant challenges in this region is the high level of soil erosion, which threatens the overall ecosystem. This study aims to estimate the amount of soil loss in the Mrica Catchment using the Revised Universal Soil Loss Equation (RUSLE) Method. Various data sources were utilized, including soil type, rainfall, land cover, Digital Elevation Model, and conservation data. Geographic Information System (GIS) techniques were employed to calculate the critical factors required by the RUSLE Method, including soil erodibility (K), rainfall erosivity (Ri), slope length and steepness factor (LS), and cover management and conservation factor (CP). This research provides critical information for land management in Mrica Catchment. These factors were used to estimate soil loss in the Mrica Catchment, revealing a range between 62,553 tons per year (t/y) and 21,323,311 t/y, with an average value of 443.90 ton per hectare per year (t/ha/y). These results indicate high erosion potential based on the Classification of Erosion Hazard (HER). This study provides critical information for land management and offers suggestions for devising effective strategies to mitigate sedimentation impact in the Serayu Watershed. The highest soil loss values according to the RUSLE Method, both under the Environmental and Management Variable, are observed in the same location, namely, in the north of Mrica Catchment. The findings emphasize the urgent need for erosion control measures and sustainable land management practices in this priority restoration area.
Studi Eksperimental Pemanfaatan Crusher Dust dan Penambahan Zat Polyurethane pada Campuran Beraspal Berpori Wulandari, Riska; Cantik, Bella Koes Paulina; Syamsuddin, Basili Nabil; Dewi, Mutiara Permata Puspita; Telussa, Kenneth Sebastian; Kelvin, Kelvin
Prosiding Forum Studi Transportasi Antar Perguruan Tinggi Vol 11 No 1 (2024): Prosiding Forum Studi Transportasi antar Perguruan Tinggi
Publisher : FSTPT Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The road damage issue in Indonesia remains a critical concern in infrastructure development as it can affect road users’ mobility and comfort and worsen traffic conditions. Road damage can be caused by several factors, such as excessive water pooling due to high rainfall intensity, decreased infiltration capacity, overloaded vehicles, traffic congestion, and improper infrastructure construction that doesn’t meet the Standards. Waste from stone crusher aggregates is utilized as a mixture material in this research to control waste and reduce the extraction of natural aggregates from the environment. Polyurethane material of polyol type is added as a mixture for porous asphalt. The result indicates that higher additions of waste aggregate composition and polyol decrease the permeability coefficient. The highest stability value is achieved at 100% waste aggregate content and 59,32% polyol additions, with a value of 1273,99 kg. The variations in waste aggregate and polyol content in porous asphalt mixtures can influence the permeability coefficient, stability, and flow values. ABSTRAK Kerusakan jalan di Indonesia menjadi isu penting dalam pembangunan infrastruktur karena mempengaruhi mobilitas dan kenyamanan pengguna jalan serta memperburuk kondisi lalu lintas. Kerusakan jalan diakibatkan oleh beberapa faktor, seperti genangan berlebih akibat intensitas hujan yang cukup tinggi, kapasitas infiltrasi menurun, kendaraan yang memiliki beban berlebih, kepadatan lalu lintas, maupun pembangunan infrastruktur yang tidak sesuai standard. Dalam upaya pengendalian limbah dan mengurangi pengambilan agregat alami di alam, maka crusher dust hasil stone crusher ini dimanfaatkan sebagai bahan campuran. Selain itu penambahan zat polyurethane tipe polyol sebagai bahan campuran beraspal berpori. Didapatkan hasil bahwa penambahan komposisi crusher dust dan penambahan polyol meningkatkan nilai stabilitas 146% dari campuran beraspal berpori tanpa crusher dust dan polyol. Nilai stabilitas tertinggi didapatkan pada kadar crusher dust 100% dan penambahan polyol 7,5% dengan nilai yang diperoleh 1273,99 kg. Penambahan variasi crusher dust dan variasi polyol pada campuran beraspal berpori dapat mempengaruhi nilai koefisien permeabilitas, stabilitas dan flow.
EVALUASI LAYANAN DAN FASILITAS BUSWAY TRANSJAKARTA PADA MASA PANDEMI COVID 19 Hasanah , Annisa Fajriah; Wulandari , Riska; Wardhani, Jihan Sabila; Wiguna, Gita Tresna; Cantik, Bella Koes Paulina
Berkala Forum Studi Transportasi antar Perguruan Tinggi Vol. 1 No. 2 (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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Abstract

The period of COVID-19 pandemic has had an impact on the transportation sector. The government's policy is in an effort to stop the virus infection by limiting the number of operating fleets. When the policy began to be relaxed, the service underwent changes in response to new conditions. Therefore, it is necessary to evaluate the services provided at this time. This research aims to evaluate the Transjakarta Busway services and provide input for stakeholders in providing better services. This research method used is a survey method. The analysis has shown that the services provided during the pandemic have met user expectations, except for the punctuality of the arrival and departure of the fleet. Respondents said that the current tariff is in accordance with the service received, and does not mind a maximum tariff increase of 10%. The results of this study indicate that respondents are satisfied with the services provided by Transjakarta busways. ABSTRAK Masa pandemi Covid-19 yang panjang memberikan dampak terhadap sektor transportasi. Kebijakan pemerintah dalam upaya menghentikan penularan virus mengharuskan beberapa angkutan publik membatasi jumlah armada yang beroperasi. Saat kebijakan mulai dilonggarkan, layanan mengalami perubahan merespon kondisi pandemi. Oleh karena itu perlu dilakukan evaluasi terhadap layanan yang diberikan saat ini. Penelitian ini bertujuan untuk melakukan evaluasi terhadap layanan Busway Transjakarta dan memberikan masukan bagi pemangku kebijakan dalam menyediakan layanan yang lebih baik. Metode penelitian yang digunakan adalah metode survei. Hasil analisis dari data yang didapatkan terlihat bahwa layanan yang diberikan selama masa pandemi sudah memenuhi harapan pengguna, kecuali ketepatan waktu kedatangan dan keberangkatan armada. Berkaitan dengan tarif, responden merasakan bahwa tarif saat ini sudah sesuai dengan layanan yang diterima, dan tidak berkeberatan jika ada kenaikan maksimal 10%. Hasil penelitian ini menunjukkan responden sudah puas dengan layanan yang diberikan oleh busway Transjakarta.
STUDI EKSPERIMENTAL KOMPOSISI LIMBAH HASIL CRUSHING TEST SEBAGAI PENGGANTI AGREGAT PADA CAMPURAN BERASPAL Wiguna, Gita Tresna; Makmur, Amelia; Cantik, Bella Koes Paulina; Arapenta, Haykel Marcelinus; Puspita D, Wike Permata; Andrew, Julius
Berkala Forum Studi Transportasi antar Perguruan Tinggi Vol. 2 No. 1 (2024): Berkala Forum Studi Transportasi antar Perguruan Tinggi
Publisher : Prodi Teknik Sipil, Fakultas Teknik, Universitas Jember dan Forum Studi Transportasi antar Perguruan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/berkalafstpt.v2i1.888

Abstract

The increasing in construction projects has resulted in an increasing demand for concrete. This has the potential to increase crushing test waste, becoming an environmental issue as it can create large landfills and pollute the environment. Therefore, this research aims to develop an effective and innovative solution for managing crushing test waste by reusing it in infrastructure as an aggregate substitution in asphalt mixtures. The method used was an experimental study of AC-BC paved mixtures starting with finding the Optimum Asphalt Content (KAO), then aggregate substitution with percentages of 25%, 50%, 75%, and 100 at fc’25 concrete grade. Marshall testing was conducted on all test specimens to obtain the parameters for assessing the asphalt mixture. The research shows that the addition of a crushing test to the waste can change the Marshall parameters by asphalt mixtures. Thus, this solution will be the result of the negative effect by crushing test waste on the environment and improve material use efficiency in the construction industry. ABSTRAK Peningkatan jumlah proyek pembangunan berdampak pada permintaan beton yang semakin meningkat. Hal ini berpotensi meningkatkan limbah crushing test, dan menjadi masalah lingkungan karena dapat menciptakan tempat pembuangan sampah yang besar dan berpotensi mencemari lingkungan. Penelitian ini dimaksudkan untuk mengembangkan solusi efektif serta inovatif dalam pengelolaan limbah crushing test dengan memanfaatkannya kembali pada infrastruktur sebagai substitusi agregat pada campuran beraspal. Metode yang dipakai yaitu studi eksperimental campuran beraspal AC-BC yang dimulai dengan mencari Kadar Aspal Optimum (KAO), lalu dilakukan substitusi agregat dengan persentase 25%, 50%, 75%, dan 100 pada mutu beton fc’25. Pengujian Marshall dilaksanakan pada seluruh benda uji untuk mendapatkan parameter penilaian campuran beraspal. Dari hasil penelitian ini, terbukti bahwa penambahan limbah crushing test mempengaruhi parameter Marshall pada campuran beraspal. Dengan demikian, diharapkan solusi ini dapat mengurangi dampak negatif limbah crushing test terhadap lingkungan dan meningkatkan penggunaan material dalam industri konstruksi.
Surface Runoff Analysis Using SCS-CN Method in Summarecon Serpong Area Cantik, Bella Koes Paulina; Sapan, Elenora Gita Alamanda; Ghiffari, Muhammad Razzaaq Al; Yuvhendmindo, Muhammad Ravi; Aziz, Muhammad Luthfi
INERSIA lnformasi dan Ekspose Hasil Riset Teknik Sipil dan Arsitektur Vol. 18 No. 2 (2022): December
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/inersia.v18i2.53248

Abstract

The increasing population is definitely in line with the rising demand for housing. One area with many residents is Tangerang Regency, Banten with a population growth rate of 5,85% per year. PT. Summarecon Agung Tbk. becomes one of the developers of an integrated area in Tangerang Regency in fulfilling housing's need. However, the wider the development of an area, it is parallel with the changes in land cover that significantly impact surface runoff. Therefore, this study aims to determine the surface runoff in the Summarecon Serpong area. The research method used is the Secondary Data Analysis (SDA) approach which requires several data; rainfall, land cover, and soil type. These data were then processed using Frequency Analysis to obtain design rainfall and continued to the SCS-CN Method to obtain surface runoff with the return period at 2 years, 5 years, 10 years, 20 years, and 100 years. The land cover in the Summarecon Serpong area was dominated by buildings, with the Hydrologic Soil Groups (KHT) in the form of Groups C and D. The calculation of the Composite Curve Number (CNk) value based on land cover and Hydrologic Soil Groups were 88,89, while the calculation of direct runoff using the SCS CN Method with a return period of 2 years, 5 years, 10 years, 20 years, and 100 years respectively were 77 mm, 121 mm, 154 mm, 188 mm, and 275 mm. The lowest surface runoff occurred on land cover in the form of green open land with Hydrologic Soil Group C, and the highest surface runoff occurred on land cover in the form of water bodies. This analysis indicates that focusing on the green open land in the Summarecon Serpong area can reduce surface runoff while increasing infiltration to maintain the sustainability hydrologic system.
Analisis Strategi Pengendalian Banjir dengan Upaya Konservasi Air Menggunakan AHP: (Studi Kasus: Kota Tangerang dan Kabupaten Tangerang) Cantik, Bella Koes Paulina; Fadilah, Shofwatul; Putri, Wike Andaresta Eka; Agustia, Daffira Ceisya Yourie
Jurnal Teknik Sipil Vol 20 No 2 (2024): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v20i2.7587

Abstract

). Several areas in Tangerang City and Regency are prone to flooding due to the high rainfall intensity, decreased drainage channel capacity, and reduced infiltration capacity. Water conservation can be an effort made to tackle these issues. This study aims to identify priority alternative measurements of flood control through water conservation implemented in the research area. This study uses a Quantitative Method by collecting data through questionnaires from 50 respondents experts in the fields of Civil Engineering, Urban Planning, Architecture, and Tourism residing in Tangerang City and Regency. The data collected were processed using the Analytical Hierarchy Process (AHP) Method to determine the best alternatives for flood control efforts through water conservation. The alternatives for flood control measures include watershed construction, infiltration wells construction, bio pores, naturalization, waste management, and urban forest development. Based on the data analysis, there are three dominant factors triggering floods in research area, namely land misuse, low soil infiltration, and high rainfall. Furthermore, three alternatives with the highest values from AHP Method, namely urban forest development, naturalization, and the construction of infiltration wells with values of 0,249; 0,182, and 0,172 respectively.
Co-Authors Agustia, Daffira Ceisya Yourie Andrew, Julius Arapenta, Haykel Marcelinus Aziz, Muhammad Luthfi Dewi, Mutiara Permata Puspita Djoko Legono Elenora Gita Alamanda Sapan Ghiffari, Muhammad Razzaaq Al Hasanah , Annisa Fajriah Kelvin Kelvin Kisindi Nur Afifah Puspita D, Wike Permata Putri, Wike Andaresta Eka Rahardjo, Adam Pamudji Ramon Putra Riska Wulandari, Riska Sapan, Elenora Gita Alamanda Shofwatul Fadilah, Shofwatul Syamsuddin, Basili Nabil Telussa, Kenneth Sebastian Wardhani, Jihan Sabila Wiguna, Gita Tresna Wulandari , Riska Yuvhendmindo, Muhammad Ravi