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All Journal TEKNIK Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan MEDIA KOMUNIKASI TEKNIK SIPIL Rekayasa Sipil Teras Jurnal RACIC : Rab Construction Research AGREGAT Jurnal Penelitian Pendidikan IPA (JPPIPA) Syntax Literate: Jurnal Ilmiah Indonesia BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Al Qalam: Jurnal Ilmiah Keagamaan dan Kemasyarakatan JURNAL TEKNIK HIDRAULIK JURNAL REKAYASA Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi International Journal of Engineering, Science and Information Technology International Journal of Social Service and Research Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Journal of Civil Engineering and Technology Sciences Eduvest - Journal of Universal Studies Jurnal Profesi Insinyur Indonesia Jurnal Teknik Sipil Advance Sustainable Science, Engineering and Technology (ASSET)

Dyah Ari Wulandari

Jurusan Teknik Sipil FT. UNDIP Jl. Prof. Soedarto SH. Tembalang, Semarang 50275

Author-ID : 420271

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Neuroscience Physics Social Sciences Transportation Other

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PENYELIDIKAN POLA ALIRAN EMBUNG SAMIRAN DENGAN UJI MODEL HIDROLIK FISIK Ari Wulandari, Dyah; Kirno, Kirno
TEKNIK Volume 31, Nomor 1, Tahun 2010
Publisher : Diponegoro University

Samiran Dam is located in Grawah river, Boyolali Regency, Central Java Province. The aim of Samiran Damis for service water supply. The hydraulic model test are conducted for clarifying the appropriateness ofhydraulic design, to perfect and optimize the hydraulic design of the spillway. One of the main objective is tostudy the flow pattern approaching spillway, at spillway, stilling bazin and river in the downstream of thestilling bazin.The detail model is made as three dimensional model, covering the part of reservoir, spillway, stilling bazin andriver in the downstream of spillway. The hydraulic model test was carried out in The Hydraulic Laboratory ofExperimental Station for River in Surakarta.Base on the study result then there are necessary to modified design of the stilling bazin and to add groundsillconstruction at the river in the downstream of the stilling bazin

Keakuratan Prediksi Inflow Waduk Dengan Neraca Air Waduk Wulandari, Dyah Ari; Budieny, Hary; Kurniani, Dwi
TEKNIK Vol 37, No 2 (2016): (Desember 2016)
Publisher : Diponegoro University

Dalam perhitungan inflow waduk sering digunakan persamaan neraca air waduk yang menggunakan data seri laporan harian operasi waduk, evaporasi dan curah hujan diwaduk, dan lengkung H-V-A waduk. Pada pengamatan data series laporan harian operasi waduk dan pengukuran kapasitas tampungan waduk, dapat terjadi kesalahan yang disebabkan karena kesalahan faktor manusia maupun faktor alat, hal ini akan menyebabkan kesalahan pula pada besarnya inflow waduk yang dihasilkan. Lebih lanjut di dalam perencanaan, data series inflow waduk ini diperlukan sebagai input pada pemodelan optimasi operasi waduk dan sedimentasi waduk, sehingga keakuratan datanya sangat diperlukan. Tujuan penelitian ini adalah untuk mengevaluasi tingkat akurasi penggunaan neraca air waduk dalam memprediksi inflow waduk. Untuk mengetahui tingkat akurasi dilakukan dengan membandingkan antara inflow waduk dari anak sungai hasil pengukuran dan hasil hitungan dengan persamaan neraca air waduk. Kemudian dilakukan variasi periode pengukuran dan kurva H- V-A yang digunakan. Berdasarkan penelitian yang dilakukan maka pada periode perhitungan yang lebih lama menghasilkan tingkat error yang lebih kecil. Pemakaian kurva waduk yang berbeda menghasilkan inflow yang berbeda. Tingkat error yang didapat masih cukup besar, diatas 30 %, sehingga perhitungan inflow waduk dari anak sungai dengan menggunakan metode neraca air waduk kurang akurat.Â [Title: Accuracy of Reservoir Inflow Prediction Using Reservoir Water Balance] In the calculation of reservoir inflow often used reservoir water balance equation using the data series of daily reports reservoir operation, evaporation and precipitation, and H-V-A curve. In observation of the data series of daily reports of reservoir operation and measurement of reservoir storage capacity, the errors may occur due to human error factor and factor appliance. This will cause an error on the reservoir inflow generated. Further, in the planning, this series data of reservoir inflow is required as input to the modeling of reservoir operation optimization and reservoir sedimentation, so the accuracy of the data are required. The purpose of this study was to evaluate the use of the reservoir water balance accuracy rate in predicting inflow. To determine the level of accuracy, the effort is done by comparing the inflow tributary reservoirs of measurement and the count with the reservoir water balance. Then perform variations of the measurement period and curves H-V-A is used. Based on the research conducted in the period longer calculation produces a smaller error. The different H-V-A curve results in the different inflow. Error rate obtained is still quite large, above 30%, so the calculation of tributary inflow reservoirs using reservoir water balance method is less accurate.Â Â

Analisis Aplikasi Kantong Lumpur pada Sungai Sebagai Upaya Pengendalian Sedimentasi Waduk Wulandari, Dyah Ari; Ulfiana, Desyta; Parmantoro, Priyo Nugroho
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 26, Nomor 2, DESEMBER 2020
Publisher : Department of Civil Engineering, Diponegoro University

Sedimentasi waduk dapat diatasi dengan mengurangi jumlah sedimen yang masuk ke waduk, dengan membangun check dam. Akan tetapi check dam lebih banyak mengendapkan muatan sedimen kasar daripada muatan sedimen halus. Sedimen halus yang lolos dari check dam akan ikut aliran lebih lanjut dan akhirnya masuk ke dalam kolam waduk. Oleh karena itu perlu dibuat bangunan yang dapat menangkap sedimen halus. Konstruksi direncanakan seperti sistem kantong lumpur pada saluran irigasi. Tujuan dari penelitian ini adalah menganalisis kemungkinan pengaplikasian sistem bangunan kantong lumpur pada sungai untuk mengendapkan sedimen yang lolos dari chek dam. Analisis dimulai dengan pemilihan lokasi sedimen trap, kemudian dilakukan perhitungan dimensi sediment trap dan jumlah sedimen yang mengendap. Berdasarkan analisis pada dimensi yang dipilih dengan beberapa kombinasi gradasi butiran sedimen, pengendapan sedimenÂ yang terjadi berkisar antara 42 â€“ 68 %. Sehingga dapat disimpulkan pembuatan sedimen trap di sungai dapat dilakukan. Akan tetapi untuk pengaplikasian sedimen trap ini perlu penelitian lebih lanjut lagi terkait dimensi sedimen trap yang paling optimal mengendapkan sedimen.

PENATAAN DRAINASE DTA WADUK DIPONEGORO (RW 2 KELURAHAN TEMBALANG) Desyta Ulfiana; Suripin Suripin; Dyah Ari Wulandari; Sri Sangkawati Sachro; Suharyanto Suharyanto; Rudi Yuniarto Adi
Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Vol 2, No 2 (2020)
Publisher : Fakultas Teknik Universitas Diponegoro

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

DTA Waduk Pendidikan Diponegoro merupakan wilayah yang berkembang pesat akibat berdirinya Universitas Diponegoro. Hali ini membawa dampak buruk akibat berkurangnya daerah resapan air di wilayah tersebut. Beberapa titik lokasi di DTA sering mengalami genangan air atau banjir saat musim hujan. Hal ini sangat mengganggu aktivitas warga. RW 2 Kelurahan Tembalang merupakan salah satu lokasi di DTA Waduk Diponegoro yang sering mengalami banjir. Berdasarkan hasil survey terdapat tiga titik rawan banjir/genangan di kawasan ini yaitu di Masjid Miftahurrohmah, Gg Maerasari 2 dan Masjid LPPU. Banjir/genangan tersebut disebabkan oleh lokasi titik yang lebih rendah dari kawasan sekitar sehingga menerima limpasan air hujan yang cukup besar saat hujan sedangkan saluran drainase eksisting tidak mampu menampung limpasan air hujan tersebut. Oleh karena itu, perlu dilakukan penataan kembali dan peningkatan fungsi jaringan drainase di DTA Waduk Diponegoro. Penataan drainase dilakukan dengan merencanakan jaringan saluran drainase baru serta melakukan perhitungan dimensi saluran sesuai dengan perhitungan debit limpasan air hujan. Hasil survey dan perencanaan penataan drainase ini kemudian disosialisasikan kepada warga RW 2 Kelurahan Tembalang. Hasil sosialisasi yang dilakukan dapat memberikan informasi terkait kondisi drainase RW 2 Kelurahan Tembalang dan memberikan solusi serta pengarahan kepada masyarakat dalam penataan drainase lingkungan mereka.

Rasionalisasi Pos Curah Hujan Menggunakan Metode Kagan di DAS Ciliwung untuk Operasi Bendungan Ciawi dan Sukamahi Propezite Nurhutama Mustain; Dyah Ari Wulandari; Hari Nugroho; Suripin Suripin
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 11 No 1 (2023): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (Januari 2023)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v11i1.5614

Hydrological stations are an important element in order to provide preliminary information to dam managers in planning and managing dams. Rainfall data generated from rainfall stations is one of the inputs in hydrological analysis that can be used in dam management. To support the hydrological analysis, an appropriate network of rainfall stations is needed, both in terms of the number and location of rainfall stations. Therefore, it is necessary to study the rationalization of the hydrological station network within the Ciliwung Watershed, so that it can be utilized in dam operations. The purpose of this study is to obtain an efficient and effective network of rainfall stations in the Ciliwung watershed to support the operation of the Ciawi and Sukamahi Dams. In this case, the Kagan method was used in the analysis of the rationalization of the rainfall station network by producing the optimum number of rainfall stations in the Ciliwung watershed, that is 29 rainfall stations. Based on these results, the number of rainfall stations in the Ciliwung watershed has met in terms of number, but the location point needs to be adjusted to the Kagan triangle.

PENINGKATAN KINERJA WADUK KEDUNGOMBO DENGAN MENGEMBALIKAN KAPASITAS TAMPUNGANNYA bramantyo herawanto; Suripin Suripin; Dyah Ari Wulandari
Racic : Rab Construction Research Vol 8 No 1 (2023): JUNI
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v8i1.2817

In every reservoir plan, the volume of dead storage provided is always taken into account to accommodate sediment entering the reservoir during the service life of the reservoir. Several studies on reservoir sedimentation show that 70% of reservoirs have sedimentation problems so the effective life of the reservoir will end before the design life is reached. The rate of sediment entering the reservoir will settle in the dead reservoir and the effective reservoir which will affect the performance of the reservoir. Therefore, it is necessary to take measures to improve the performance of the reservoir, one way is to restore its effective reservoir. Based on the results of bathymetry measurements of the Kedungombo Reservoir from 1989 to 2017, the sediment rate was 1.954 million m3/year. From the analysis of sediment distribution, the dead reservoir of the Kedungombo Reservoir at an elevation of +65.00 will be filled in 2089. The effective reservoir in 2089 at a normal water level of +90.00 of 527.71 million m3 has decreased by 106.89 million m3 from the initial effective reservoir is 634.6 million m3. To improve reservoir performance by restoring its effective reservoir, the Kedungombo Reservoir requires an elevation of the overflow or normal water level as high as 2.26 m with an inundation area of 48.72 million m2. Keywords: Sediment Distribution, Storage Capacity, Reservoir Performance, Kedungombo Reservoir

PENERAPAN METODE MODIFIKASI ANDERSEN DALAM PENILAIAN RISIKO BENDUNGAN HALIWEN: ANDERSEN MODIFICATION METHOD APPLICATION IN HALIWEN DAM RISK ASSESSMENT Maulana, Muhammad Fuad; Sukamta; Dyah Ari Wulandari
AGREGAT Vol 9 No 1 (2024)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ag.v9i1.20450

Indonesia is a disaster-prone country; therefore, all infrastructure must be risk-analyzed in order to carry out mitigation efforts. One of the infrastructures that holds the potential for high risk of danger is a dam. Dams need to be inspected regarding dam operations, maintenance, and safety, one of which is through regular inspections. The results of the inspection can be used to analyze dam risks. The Haliwen Dam was originally a reservoir whose classification was upgraded to dam due to the enactment of Minister of Public Works Regulation No. 27 of 2015 concerning Dams. The Haliwen Dam needs to be analyzed for its risks as a dam. The method for analyzing the risk of dams can use the modified Andersen method. This method works well for dams with limited information during construction and instrumentation. This research requires a report on the results of field inspections to determine the physical condition of the dam. The end result of this analysis is the dam risk condition in the form of a safety value (Naman). The safety value obtained is 80. Based on the risk assessment of the modified Andersen method, the Haliwen Dam has a safety value above 75 (satisfactory), which means that the dam is in good condition and has a low risk of failure. A satisfactory safety value means that the dam can operate properly at ordinary (normal) and extraordinary load times.

Implementasi Etika Profesi dan K3L Pada Kegiatan Operasi dan Pemeliharaan Bendungan Jatibarang Wulandari, Dyah Ari; Hadiyanto, H; Rizal Isnanto, R
Jurnal Profesi Insinyur Indonesia Vol 1, No 6 (2023): JPII
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jpii.2023.18534

[Title: Implementation of Professional Ethics and HSE in Jatibarang Dam Operation and Maintenance Activities] Implementation of Dam Operation and Maintenance (OP) is very important to maintain dam safety and the sustainability of dam function. Operation and maintenance must be carried out in accordance with established procedures and a well-structured OP implementation program according to conditions of dam and climate change. Dam Operation and Maintenance activities involve a lot of Engineering practice and need to pay attention to Health, and Environment (HSE). This study aims to determine the implementation of Professional Ethics and HSE in the operation and maintenance of the Jatibarang Dam. This research begins with conducting literature review and collecting secondary data. The collected data is then processed and the results are discussed and concluded. The operation and maintenance of the Jatibarang Dam includes operations, maintenance and monitoring activities, which must be planned and then held and reports its implementation. Dam operation is carried out by adjusting the water output of the reservoir. Dam maintenance is done to prevent damage or repair damage. While dam monitoring is carried out to find out symptoms of problems with the dam at an early stage. The implementation of professional ethics is manifested by managers in the form of responsibility, honesty, obedience, competence, teamwork and sustainable utilization. HSE has been implemented but managers have not fully implemented HSE Management System. HSE risk management which includes hazard identification, risk assessment and risk control has just been implemented for the dam safety. For The supporting work activities have not been carried out.

Simulasi Pola Operasi Waduk Batutegi, Provinsi Lampung : Simulation of Batutegi Reservoir Operation Pattern, Lampung Province Swastika, Dian; Wulandari, Dyah Ari; Sriyana, Ignatius
Cantilever: Jurnal Penelitian dan Kajian Bidang Teknik Sipil Vol. 11 No. 2 (2022): Cantilever
Publisher : Department of Civil Engineering and Planning, Faculty of Engineering, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35139/cantilever.v11i2.149

Batutegi Reservoir is a multi-purpose reservoir that is used to increase the water supply to the Argoguruh Weir to expand the irrigation area in the Sekampung Irrigation System. Batutegi Reservoir supplies the water demand not only for irrigation, covering an area of 66.573 Ha, but also for hydroelectric power generation (hydropower) of 2 x 14 MW and the raw water supply of 2.250lt/s. The operational curves of the Batutegi Reservoir were prepared in 2017, aiming to control the water release to ensure the planned demand is fulfilled. However, the reservoir operation curves must be reviewed at least once every 5 (five) years to comply with the changes in reservoir conditions and the development of its benefits/functions. The study aimed to determine the reservoir reliability by updating the reservoir operation curves in 3 conditions; wet year, normal year, and dry year using the SOR (Standart Operating Release) simulation method according to the inflow and outflow during the mid-month period. Results showed that in the wet year, normal year, and dry year, the reservoir reliability in supplying water for irrigation, raw water, and hydropower is satisfactory in each period. In conclusion, although some simulation periods showed the final RSL (Reservoir Water Levels) of the reservoir are below the upper limit of the operation curves, they are still above MOL (Minimum Operation Level) hydropower level meaning all supply for irrigation, raw water, and hydropower can be 100% fulfilled.

Analysis of The Level of Erosion Hazard in The Walanae Watershed and Land Conservation Directions to Reduce The Erosion Rate in The Walanae Watershed Firdazam, Firdazam; Sangkawati, Sri; Wulandari, Dyah Ari
International Journal of Social Service and Research Vol. 3 No. 12 (2023): International Journal of Social Service and Research (IJSSR)
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/ijssr.v3i12.650

The Walanae Watershed (DAS) is one of the Walanae – Cenranae Sub Watersheds in several districts, including Wajo, Soppeng, Bone, and Maros regencies. The river flow in the Walanae watershed flows from south to north and empties into Lake Tempe, Wajo Regency. The condition of Lake Tempe, which continues to experience silting due to erosion and sedimentation, is still happening. This siltation resulted in sediment discharges reaching 519,000 m3/year. This siltation can cause a narrowing of the lake area and flooding around Lake Tempe. The purpose of this study is to model erosion control in the Walanae watershed to reduce the level of siltation that occurs in Lake Tempe. Analysis of the erosion rate of the Walanae watershed using the USLE method. The analysis results show that the erosion rate that occurred in 2000 was 187.52 Tons / Ha / Yr, while in 2022, it was 253.336 Tons / Ha / Yr. Scenarios based on land conservation actions can reduce the erosion rate by 149,034 tons/ha / Year. The scenario was carried out by considering slope classes and land cover in the Walanae watershed. In flat to gentle slope conditions, ground cover crops and livestock grazing are needed; in rice fields and dryland agriculture, rural and annuals and mulch reinforcement are needed. Conservation measures are needed in steep to very steep slope classes, such as bench terraces and plant cover crops for agricultural land cover. As for forest areas, permanent vegetation or agroforestry is needed.

Co-Authors Afifah, Risdiana Ahmadi, Muhamamad Airlangga As'ad, Mohammad Bagus Wiratama Baihaqi, Fajar Andi bramantyo herawanto Desyta Ulfiana Dwi Kurniani Fahmi, Amir Hadziq Faqih, Nasyiin Firdazam, Firdazam H Hadiyanto Hari Nugroho Hary Budieny Hendri Wijaya, Hendri Ignatius Sriyana Kirno Kirno Limbong, Benson Jhon Ferry Marupa, Ivan Maulana, Muhammad Fuad Maulana, Rifki Melfina Roselyn Muliawati, Intan Muslimin, Muhammad Syahrizal Nugraha, Hendy Adiyat Pratama, Alfyan Amar Priyo Nugroho Parmantoro Propezite Nurhutama Mustain Qomaruddin, Mochammad Rarasati, Indang Dewi Rizal Isnanto, R Rudi Yuniarto Adi S. Suripin Salamun Salamun Saputra, Rizki Wahyu Sari, Yunitta Chandra Setyawanto, Ega Rizky Sri Sangkawati Sri Sangkawati Sachro Sri Sangkawati Sachro SRIYANA Sriyana Sriyana Sriyana, Ignatius Suharyanto Suharyanto SUHARYANTO SUHARYANTO Sukamta Suripin Susilowati Susilowati Swastika, Dian Taruna, Dwiva Anbiya Tri Pambudi, Tri Tristanto, Albert Nico Wahyudi Wahyudi Wahyudi, Andri Puji Wahyuningrum, Catur Ayu Zefri, Ricky Zelly Rinaldi, Zelly

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