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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Teknik Sipil International Conference on Engineering and Technology Development (ICETD) Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Jurnal Rekayasa Journal of Degraded and Mining Lands Management Jurnal Rekayasa Sipil dan Desain Jurnal Teknik Sipil Briliant: Jurnal Riset dan Konseptual Teras Jurnal Civil Engineering Dimension BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil SIKLUS: Jurnal Teknik Sipil Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Journal of Engineering and Scientific Research (JESR) Publikasi Riset Orientasi Teknik Sipil (Proteksi) JURNAL HUTAN TROPIS JUSTICIA SAINS: Jurnal Ilmu Hukum Jurnal Sipil Terapan Jurnal Meteorologi dan Geofisika Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Nemui Nyimah
Dyah Indriana Kusumastuti
Jurusan Teknik Sipil Fakultas Teknik Universitas Lampung Jl. Sumantri Brojonegoro No.1 Bandar Lampung.
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Physics Transportation Other

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Analisis Erosi Dan Sedimentasi Waduk (Studi Kasus Waduk Way Jepara Kabupaten Lampung Timur) Nengah Sudiane; Dyah Indriana Kusumaastuti; Afandi .
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 2 (2012): Edisi Agustus 2012
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Dam and irrigation channels are utilized to supply irrigation in Way Jepara area. Way Jeparacannot optimally function because the catchment area is disturbed by illegal logging which mayincrease erosion rate as well as sedimentation to the dam. This research aims to analyze erosionwhich occurs in the catchment area and sedimentation in the dam. Erosion prediction model usedin this study is USLE (Universal Soil Loss Equation). From the analysis it is obtained that totalerosion (A) in the catchment area is 2307.01 ton/year or 156.41 ton/ha/year which is classified aserosion class III or medium. The highest erosion rate, 1552.63 ton/ha/year, occurs in Land UnitNo. 107 near Langkap Mountain which is classified as severe. From the analysis the problemsarose can be categorized into two groups, problem related to catchment area conservation andtechnical l problem directly related to the dam. Solution to the problems should be based onconservation as well as social welfare.
ANALISIS DAMPAK TANGGUL TERHADAP ELEVASI BANJIR SUNGAI NAGARA KALIMANTAN SELATAN Dyah Indriana Kusumastuti
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 15, No 3 (2011): Edisi Desember Tahun 2011
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Nagara River is a river in South Kalimantan province with extensive swamp area which formsseasonal flood plain and protects downstream area from flooding and salt water intrusion. Theplan for land use change from the swamp area to plantation area involves building dyke on thesides of Nagara River. This research aims to analyze the elevation of Nagara River duringflooding when the swamp area is occupied as an extension of flood plain, compared that resultedfrom the scenario when this area is converted into plantation area which needs dyke on the sidesof the river for flood protection. There are two kinds of scenarios, first only one side of the riverwhich will be build dyke, and second both sides of the river will be built dykes. The analysisinvolved rainfall data analysis using daily module rainfall, design discharge analysis usingRational Method and hydraulic analysis using HEC-RAS software with one-dimensional steadyflow. The result shows that using dyke at elevation +11.00 m, the increase of water level is notsignificant while one side of the river is protected by dyke. An increase of 30 cm of water elevationis obtained using scenario of both sides are protected by dykes. The increase of water level maycause flooding in the area located at the upstream and downstream of the plantation area.
ANALISA KARAKTERISTIK CURAH HUJAN DAN KURVA INTENSITAS DURASI FREKUENSI (IDF) DI PROPINSI LAMPUNG Susilowati A; Dyah Indriana Kusumastuti
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 14, No 1 (2010): Edisi April Tahun 2010
Publisher : UNIVERSITAS LAMPUNG

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Abstract

This research was done to analyze the characteristic of rainfall that agreed with the short termduration of rainfall data at BMG Maritim Lampung station, BMG Raden Inten II Bandar Lampungstation, Masgar Tegineneng Climatology station and Kotabumi Geophysical station. From theresults of research will be made intensity duration frequency (IDF) curve based on: (1) Analysis offrequency rain distribution of short term rainfall data from each stations. (2) Analysis of rainfallintensity for every rain duration in particular when reuses Van breen intensity method and Hasperder weduwen intensity method then doing calculate approach of rainfall intensity using leastsquare are Talbot, Sherman and Ishiguro formula’s, it means to determine the equality of rainfallintensity to program region. From the result of research could be summarized as follows ;(1) Thedata of rainfall used is short term rainfall data (5, 10, 15, 30, 45, 60, 120 minutes, 3 hours, 6hours and 12 hours) and as annual maximum series, (2) Type of distribution that appropriate withall observation station is Log Pearson Type III Distribution, (3) The rainfall intensity of VanBreen method used Talbot equality, it is used as reference to form IDF curve. The intensityequality was valid only to data of rain in all observation year at every station. (4) The IDF Curveshowed that high rainfall intensity ran in short duration (5) the IDF curve can be used fordetermine planning flood by using rational method.
Evaluasi Pelaksanaan Tugas Pembantuan Operasi Dan Pemeliharaan (TP-OP) Jaringan Irigasi Pada Satker Dinas Pengairan Dan Pemukiman Provinsi Lampung Tahun Anggaran 2009 Dan 2010 Zaldi Ronald; Dyah Indriana Kusumaastuti; Sumiharni .
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 2 (2012): Edisi Agustus 2012
Publisher : UNIVERSITAS LAMPUNG

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Abstract

The evaluation of the execution of TP-OP of the irrigation system on working unit of irrigationand settlement agency of Lampung province in 2009 and 2010 is reviewed from the aspect of itsestimation and execution to give an illustration of the performance of the working unit with sourceof funds in APBN. In 2009 the budget estimation is Rp. 20.566.050.000 and in 2010 with thebudget estimation is Rp. 21.937.120.000, whicht each year has different problem and situation.This is proven by the absorb total budget estimation which is only 83,98% in 2009 and 97,75% in2010. The distinction of the problem and situation faced by working unit in every fiscal year willgive positive and negative impact which will be analyzed for the sake of a sustainableimprovement for TP-OP program.
HYDROLOGY ANALYSIS FOR THE JOHOR RIVER USING SYNTHETIC UNIT HYDROGRAPH GAMA I Dyah Indriana Kusumastuti
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 13, No 3 (2009): Edisi Desember Tahun 2009
Publisher : UNIVERSITAS LAMPUNG

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Abstract

A series of floods occurred in several places in Malaysia during December 2006 – January 2007,including the southern state of Malaysia; Johor Bahru. The rain recorded in the city of JohorBahru was 286 mm. To understand this phenomenon and to investigate the design flood of thisregion, a hydrology analysis procedure was taken into account. The hydrology analysis procedureincludes collecting rainfall data, analyzing rainfall data including areal rainfall and rainfallfrequency, developing synthetic unit hydrograph using SUH GAMA I. It is noticed that the lengthof rainfall data collected, i.e. 60 years, is sufficiently long for analysis. From the hydrologyanalysis done in this study, it can be concluded that the rain fell during 2006-2007 flood eventshad nearly 100 years period of rainfall. And the prediction for 100 years period of flood is 16,962m3/s.
Analisis Sedimentasi di Sungai Way Besai Ofik Taufik Purwadi; Dyah Indriana Kusumaastuti; Astika Murni Lubis
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 20, No 3 (2016): Edisi Desember 2016
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Way Besai River's catchment area is used as agricultural, tourism, and hydroelectrica power plant (PLTA) purposes. PLTA Way Besai was built for generating electrical power using the height of a waterfall from Way Besai River, however nowadays PLTA Way Besai is having a decrease of electrical power because of the now happening drought. The power decrease reached until 40 MW while it used to have 90 MW power supply causing only a rough 50 MW energy power left to be operated. The metode that is used in estimating the value of sediment discharge is by using the Universal Soil Loss Equation (USLE) method and Measured Sediment Analysis. From the analysis results, the overall value of sediment was attained by merging the value of suspended load and bed load which is 170528,443 m 3 /year. The value of seddiment that is attained from USLE methode is 105520,738 m 3 /year.
STUDI POTENSI SUMBER DAYA AIR UNTUK PEMBANGKIT LISTRIK TENAGA MIKROHIDRO DI PEKON TUGU RATU KECAMATAN SUOH KABUPATEN LAMPUNG BARAT PROPINSI LAMPUNG Dyah Indriana Kusumaastuti; Dwi Joko Winarno; Humaidi Humaidi
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 19, No 3 (2015): Edisi Desember 2015
Publisher : UNIVERSITAS LAMPUNG

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Abstract

Water resources in Western Lampung Regency particularly the sub-District Suoh has a lot of po- tential hydropower, which have not been able to optimally utilized as electrical energy. So that one of the optimal effort that can be done is by using microhydro energy. Location of the research is in the Way Sekanda river tributary of the Way Semaka river. Process analysis using primary data in the form of a cross section of the river cross-section of data and flow velocity of Way Sekanda, than secondary data from hourly discharge data from the watershed outlet Way Besai for 11 (eleven) years, the real-time of rainfall in Tugu Ratu village from Septem- ber 2012 to September 2014 and watershed area derived from Geographic Information System. Analysis starts from the formation of spatial data maps of Way Semaka watershed, Way Besai wa- tershed and Way Sekanda watershed using ArcGIS program. Research method includes regional- ization Way Semaka watershed and Way Besai watershed, estimation the dependable discharge (Q 80% ) using FDC method, measured discharge calculation of Way Sekanda river, correlation be- tween discharge FDC method and measured discharge and calculate the electric power which can be generated. The formation of the watersheds were done using spatial data analysis and were found that the area of Way Semaka watershed is 731,0783 km 2 , Way Besai watershed is 415,0393 km 2 , Way Sekanda watershed is 1,48 km 2 . Using measured discharge recorded in Way Besai watershed and the application of regionalization method, the discharge at Way Semaka and Way Sekanda can be estimated.This is evidenced by the amount of discharge calculated by the method of Flow Dur- ration Curve is not much different from the magnitude of the discharge measured in the field. Q80 % with FDC method (Flow Duration Curve) to Way Sekanda River is 0,0312 (m 3 /sec), while the measured discharge in location of Way Sekanda micro hydro power plants (MHP) 0,0314 (m 3 /sec). From the calculation of the electric power in Way Sekanda by using dependable of dis- charge 50% (Q 50% ) of 0,0592 m 3 /s it is obtained the electricity power with an efficiency of 60 % is 2,7479 kW, while the electric power with an efficiency of 90 % is 4,1219 kW. Therefore Way Sekanda River is potential for micro hydro power plants (MHP).
Analisis Metode Routing terhadap Hidrograf Banjir Sungai Way Sekampung di Way Kunyir Menggunakan HEC-HMS Marfirah Ulfah; Dyah Indriana Kusumastuti; Dwi Joko Winarno
Jurnal Teknik Sipil Vol. 11 No. 2 (2012)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.699 KB) | DOI: 10.24002/jts.v11i2.3797

Abstract

Flood events often occur in Indonesia so that quite a lot of people researched about the movement of floods and flood monitoring in the Watershed. The location of the study was carried out by the Way Sekampung river in Way Kunyir located in the Pringsewu district, Lampung province and is located downstream of the Batutegi dam. Flood tracing is intended to analyze the chances of a flood in the form of a flood hydrograph with or without using the Routing method and find out the results of some Routing methods in the watershed. The Routing method used in this study is Lag, Lag and K and Muskingum. The HEC-HMS modeling results state that peak discharge data when without Routing is greater than entering the Routing parameter. This is because entering the Routing parameter in modeling is very influential at peak times so that it affects the peak discharge at the watershed outlet. As a result of Muskingum Routing, the peak discharge is lower than before entering the flow routing, this is due to the occurrence of reservoirs along the river so that the peak discharge becomes lower than without Routing. The results of Lag Routing and Lag and K Routing are peak discharge decreased compared to before entering the Routing parameter. what should have happened to the peak discharge with Routing and without Routing remains the same, however, only peak discharge tranlations occur and there is travel time. This happens because there is no debit data at the station being reviewed so it uses rain data instead of HEC-HMS modeling.
Analisis Metode Routing terhadap Hidrograf Banjir Sungai Way Sekampung di Way Kunyir Menggunakan HEC-HMS Marfirah Ulfah; Dyah Indriana Kusumastuti; Dwi Joko Winarno
Jurnal Teknik Sipil Vol. 15 No. 4 (2020)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.699 KB) | DOI: 10.24002/jts.v15i4.3799

Abstract

Flood events often occur in Indonesia so that quite a lot of people researched about the movement of floods and flood monitoring in the Watershed. The location of the study was carried out by the Way Sekampung river in Way Kunyir located in the Pringsewu district, Lampung province and is located downstream of the Batutegi dam. Flood tracing is intended to analyze the chances of a flood in the form of a flood hydrograph with or without using the Routing method and find out the results of some Routing methods in the watershed. The Routing method used in this study is Lag, Lag and K and Muskingum. The HEC-HMS modeling results state that peak discharge data when without Routing is greater than entering the Routing parameter. This is because entering the Routing parameter in modeling is very influential at peak times so that it affects the peak discharge at the watershed outlet. As a result of Muskingum Routing, the peak discharge is lower than before entering the flow routing, this is due to the occurrence of reservoirs along the river so that the peak discharge becomes lower than without Routing. The results of Lag Routing and Lag and K Routing are peak discharge decreased compared to before entering the Routing parameter. what should have happened to the peak discharge with Routing and without Routing remains the same, however, only peak discharge tranlations occur and there is travel time. This happens because there is no debit data at the station being reviewed so it uses rain data instead of HEC-HMS modeling.
Estimasi Potensi PLTMH dengan Metode Regionalisasi pada Ungauged Catchments di Kecamatan Suoh Dyah Indriana Kusumastuti; Dwi Joko Winarno; Humaidi Humaidi; M. Najmul Falah; Robiyanto Robiyanto
Jurnal Teknik Sipil Vol 23 No 1 (2016)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/jts.2016.23.1.7

Abstract

Abstrak. Listrik merupakan masalah utama di Kecamatan Suoh, karena daerah ini belum teraliri listrik PLN. Daerahnya yang berada di hulu sungai Way Semaka menyebabkan Suoh memiliki potensi air yang cukup bagus untuk dijadikan pembangkit listrik. Penelitian ini bertujuan untuk menganalisis potensi sumber daya air sebagai pembangkit listrik di tiga sungai yaitu Way Hantatai, Way Sekandak dan Way Gunung Lanang. Ketiga sungai tersebut dapat dikategorikan sebagai ungauged catchment. Metode penelitian meliputi analisis kemiripan karakteristik hidrologis DAS Way Semaka dengan DAS Way Besai, penerapan metode regionalisasi melalui pembuatan FDC dimana data debit yang digunakan untuk pembuatan FDC berasal dari data debit Way Besai yang letaknya berdekatan dengan Way Semaka. Pengukuran variabel aliran di sungai digunakan untuk memverifikasi hasil perhitungan debit andalan dari penerapan metode regionalisasi. Potensi daya listrik dihitung berdasarkan debit andalan Q50 serta beda  tinggi. Hasi penelitian menunjukkan bahwa terdapat kemiripan kerakteristik hidrologis antara DAS Way Semaka dan DAS Way Besai. Debit terhitung berdasarkan pengukuran sesuai dengan debit andalan 80% - 93% dari FDC untuk ketiga sungai. Potensi daya listrik maksimal dengan efisiensi 90% yang dapat dibangkitkan dari sungai Way Hantatai sebesar 15,26 KW, dari sungai Way Sekandak sebesar 4,12 KW dan dari sungai Way Gunung Lanang sebesar 2,71 KW.Abstract. Electricity is the major problem in Suoh sub-district because there is no electricity distributed by National Electricity Company (PLN). Suoh is located in the upstream of Way Semaka and water is available in river tributaries throughout the year which can be utilized for micro hydro power. This research aims to analyse the potency of the rivers including Way Hantatai, Way Sekandak and Way Gunung Lanang. The three rivers are categorised as ungauged catchments. Research method includes analysis of hydrologic similarity berween Way Semaka and Way Besai catchments, application of regionalization method where FDC for Way Semaka was developed from discharge data from Way Besai located close to Way Semaka. Measurement of flow variables in the rivers are used to verify dependable discharge calculated by regionalization method. The potency of electricity power is calculated based on dependable discharge Q50 and head. The result shows that hydrologic similarity  exists between Way Semaka and Way Besai catchments. Calculated discharges based on river measurements comparable to dependable discharges between 80%-93% from the FDCs for the three rivers. The maximum electricity power which can be generated are 15.26 KW, 4.12 KW and 2.71 KW for Way Hantatai, Way Sekandak and Way Gunung Lanang respectively.
Co-Authors Adenan Yusuf Afandi . Ahmad Herison Ahmad Zaenudin Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Ahmad Zakaria Aji Saputra, Aji Amanda, Tiara Maelta Amini, Rosidah Andandaningrum, Della Andriani, Gustin Anggraini, Witta Putri Anton, Sari Aprizal Arianti, Tanti Aristiani, Widya Asep Sukohar Astika Murni Lubis Astriyana, Mega Ayuningsih, Titik Bayu krishna mukti C.H. Van Rafii Candra Hakim Van Rafi’i Christine Wulandari Citra Dewi D. Jokowinarno Diwantari, Windy Putri Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Joko Winarno Dwi Jokowinarno Dwi Jokowinarno Dwi Jokowinarno Dwiyanto, Very ELOK BUDI UTAMI Endro Prasetyo Wahono F. Yuniarti fadhel dzaki sembiring Falah, M. Najmul Fathony, Awal Rifan Febriyani, Febriyani Fieni Yuniarti Fitriya Rahmawati Fridayanto, Syahlan Naufal Gani, Rama Dian Gultom, Winda Maria Rebecca gustin andriani Hardito, Joni Haris Murwadi Hidayat, Kurnia Ryandani Humaidi Humaidi Humaidi Humaidi Humaidi, Humaidi Irwan Irwan Irwan Sukri Banuwa Irwan Sukri Banuwa Jundulloh, Panglima juwita novi yana Kristianto Usman kuncoro, wahyu hadi Kusanti, Nency Dwi M. Najmul Falah Mahardika, Siti Mardiyansyah Mardiyansyah Marfirah Ulfah Maulana Yusuf Maulana Yusuf Mega Astriyana Melya Riniarti Muhamad Angga Wicaksono Muhammad Jazuli Mustofa mukti, Bayu krishna Murdiagatma, Sefrinta Sasma Mustofa, Muhammad Jazuli Mutya Nivitha Nency Dwi Kusanti Nengah Sudiane Niken, Chatarina Nivitha, Mutya Nivitha, Mutya Nora Anggraini Noviani, Erina Nugraheni, Melly Nur Arifaini Ofik Taufik Purwadi Ofik Taufiq Purwadi Okta Ainita Panglima Jundulloh Peranginangin, Imanuel Purwadi , Ofik Taupik Purwadi, Ofik Taufiq Purwadi, Ofik Taupik putri, wardatul aini Rahmawati, Fitriya Rama Dian Gani Rian Alfian Riki Chandra Wijaya Riyo Ardi Yansyah Riyo Ardi Yansyah, Riyo Ardi Riza Muhida Robiyanto Robiyanto Robiyanto, Robiyanto Rosidah Amini S Suharno Samsul Bakri Saputro, Rifki Ananda Sari, Dwi Meyta Sembiring, Fadhel Dzaki Siti Nurul Khotimah Siti Nurul Khotimah Slamet Budi Yuwono Slamet Budi Yuwono Sri Ratna Sulistiyanti Subuh Tugiono Subuh Tugiono, Subuh Suharni Suharni Sumiharni . Suprayitno, Meli Susilowati A Syafri Adi Teguh Endaryanto Titik Ayuningsih Tomi, Muhammad Tommy Arisandy Triyanto Triyanto Ulfah, Marfirah Utami, Elok Budi Very Dwiyanto Wahono, Endro Prsetyo wahyu hadi kuncoro Wardatul Aini Putri Wicaksono, Muhamad Angga Widya Aristiani Wijaya, Riki Chandra Winarno, Dwi Joko Winda Maria Rebecca Gultom Yana, Juwita Novi Yuda Romdania Yuda Romdania yulianto, alim Zaldi Ronald