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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Civil and Environmental Science Journal (CIVENSE) Journal of Infrastructure and Facility Asset Management

Cok Agung Yujana

Universitas Warmadewa

Author-ID : 424302

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Library & Information Science Mathematics Transportation

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PERENCANAAN BANGUNAN PENGAMAN PANTAI (REVETMENT) DENGAN BAHAN GEOBAG DI PANTAI MASCETI, KABUPATEN GIANYAR I Kadek Sandi Wiguna Putra; Cok Agung Yujana; Nyoman Surayasa
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 6 No. 2 (2017)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

ABSTRACT Bali has area of 5634.4 km2 with a relatively high population density of 576 people / km2. The length of coastal areas in Bali reaches 633.35 km long which is currently in crisis condition. Approximately 215.82 km of coastal areas in Bali experience predicted erosion due to high waves, coastal sediment mining, construction of beach arching infrastructure, and construction of inappropriate beach structures. Gianyar regency has a beach length of 14.28 km, of which 10.48 km of it is eroded, and the average erosion rate is 3.202 m/year. To anticipate the erosion of the progressive planning revetment is expected to be able to withstand and absorb the pressure of the wave that occurs, so as to overcome erosion in Masceti Beach. Data is one of important things in design process. These data include: 10 years of wind data, topographic data and bathymetry, and tidal data. Then the data is analyzed to obtain the dominant wind direction that occurs at the planning site, the plan wave height and the elevation height of the revetment Based on the analysis results can be taken that the dominant wind comes from the southeast that is equal to 35.96%, with the largest speed is 10 knots or 8.65 m/s. The maximum wave height with a 25-year re-use of the Gumbel (H25) method is 0.913 m, the inner wavelength (L0) is 27.720 m and the wave velocity (C0) is 6,580 m/s and the plan wave height (H0) is 0.784 m. The breaking wave height (Hb) is 0.7108 m with the breaking wave depth (db) is 0.7545 m and the water level of the plan plan (DWL) is 1.43 m calculated from the MSL or ± 0.00. The height of the revetment building is 3.3138 m with a peak width of 1.12693 m and the thickness of the revetment safety wall layer is 1.12693 m and the weight of the geobag as a protective plywood is 0.2866 tons. The height of the foot protector for the revetment building is 1.12693 m with a width of 2.352 m Keyword: revetment, masceti, erosion, wave

ALTERNATIF PENANGULANGAN EROSI DI PANTAI LEBIH DENGAN KONSTRUKSI SUBMERGED BREAKWATER I Kadek Suarnaya; Cok Agung Yujana; Nyoman Surayasa
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 7 No. 1 (2018)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

ABSTRACT Lebih beach every year have changed the shoreline, recorded in 2015 the erosion length along 0.478 km. Considering the current condition, it is necessary to make an alterfnatif planning of beach protection to reduce the erosion effect. Submerged breakwater by using dolos is one of alternative structure for beach protection. Dolos was selected to easy to get the required material weight because dolos is precast concrete. Result of analysis shown top elevation of breakwater is -1.050, width in the top of breakwater is 0.678 m. First layer of dolos weight is 93.2 kg, second layer of stone weight is 9.32 kg, the core layer of stone weight is 0.46 kg. Height of foundation is 0.814 m, width of foundation is 0.610 m and weight of stone in foundation is 24 kg. Bugget plan to construct submerged breakwater in Lebih Beach is IDR.4,501,404,000.00. Keywords: breakwater, erosion, Lebih beach

ANALISIS KUALITAS DAN KEBUTUHAN AIR MASYARAKAT DUSUN BLOKAGUNG DESA KARANGDORO BANYUWANGI Putu Aryastana; I Gusti Agung Putu Eryani; Cok Agung Yujana
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 7 No. 2 (2018)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Water is a requirements for all humanity. Banjar Kiadan is one of the hamlets located in Pelaga Village, Petang Sub-district, Badung Regency witness raw water problem, so it is necessary to analyze the requirements of water needs. The analysis of raw water supply needs includes: water demand analysis for the next 25 years, analysis of water supply system planning, and analysis of budged plan of water supply system. The source of water that can be utilized is “Peninjauan Spring” with discharge 1.85 lt/sec. Total water demand is calculated based on the number of water users to be projected for the next 25 years. The water requirement is calculated based on 2 (two) scenario plan of the network that is if built SR (Home Connection) or just made KU (Public Faucet). The results showed that the total water requirement in 2042 was 2.264 lt/sec for the assumption of using home connection, while for the assumption using the public faucet was 0.903 lt/sec. The water supply system used is a gravity system with a public faucet as a distribution system. The budget plan for the water supply system is IDR.3,386,655,000.00.

PERENCANAAN BENDUNG TIPE OGEE DI DESA BAN KABUPATEN KARANGASEM I Made Okdivian Soekaratha; Cok Agung Yujana; Putu Aryastana
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 8 No. 1 (2019)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Penyediaan air baku merupakan kebutuhan yang sangat penting bagi kehidupan umat manusia, karena sangat menunjang kesehatan dan hal ini diharapkan pemerintah dalam pembangunan nasional. Sebagian masyarakat yang belum terlayani terutama masyarakat di dataran tinggi masih sangat memerlukan bantuan untuk pemenuhan air baku salah satunya yaitu di desa Ban, dusun Belong. Oleh karena itu, direncanakan penampung air baku pada saat musim kemarau. Sumber air tampungan diambil dari sungai Tegalantang. Sungai tersebut bersifat intermitten, dialiri air pada saat musim hujan saja. Pada sungai Tegalantang akan dibangun bendung untuk meninggikan muka air sungai lalu mengaliri airnya ke embung. Berdasarkan hasil analisa diperoleh tinggi bendung 4 m, lebar bendung 23,04 m, dan rencana anggaran biaya Rp 2,219,600,000.00.

PERENCANAAN BANGUNAN JETTY DARI BAHAN BRONJONG DI MUARA SUNGAI SUNGGA PANTAI JASRI KABUPATEN KARANGASEM Putu Gede Panji Oka Chandra; Cok Agung Yujana; I Ketut Yasa Bagiarta
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 10 No. 1 (2021)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

Pantai Jasri telah memiliki bangunan pantai berupa revetment yang juga berfungsi untuk menahan terjadinya limpasan gelombang. Pasang surut dan debit sungai di muara Sungai Sungga Pantai Jasri berpengaruh terhadap penyebaran sedimen yang melayang dikolom air dan saat tertentu dapat mengendap di dasar perairan. Dengan demikian, perencanaan jetty pada mulut muara bertujuan untuk menahan sedimen sejajar pantai yang terdorong oleh gelombang, masuk ke muara dan kemudian mengendap yang dapat menyebabkan terjadinya banjir di mulut muara. Berdasarkan analisis perencanaan bangunan jetty di muara Sungai Sungga dengan menggunakan material bronjong diperoleh: tinggi bangunan jetty (Eljetty) = 3 m, berat batu lapis pertama (W1) = 2.486 ton, berat batu lapis kedua (W2) = 0.2486 ton, lebar puncak (B) = 2.434 m, tebal lapis pertama (t1) = 2.434 m, tebal lapis kedua (t2) = 1.129 m, tebal pelindung kaki (ttoe) = 1.781 m, lebar pelindung kaki (Btoe) = 2.166 m, berat batu pelindung kaki (Wtoe) = 0.148 ton, dan perkiraan biaya pembangunannya sebesar Rp.4,106,578,000.00.

ANALISIS ALTERNATIF PERENCANAAN DIMENSI TEROWONGAN PENGELAK BENDUNGAN SIDAN A. A. Ngr. Billy Narendra; Cok Agung Yujana; I Ketut Yasa Bagiarta; Putu Aryastana
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 10 No. 2 (2021)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

The deficit of water supply in Bali Province has led to plans to build the Sidan Dam. The dam is designed with an upright core and is equipped with a diversion tunnel that serves to divert the flow of the river during the construction of the dam and control excess water. The diversion tunnel at Sidan Dam was originally designed with a horseshoe shape. The objective of this study is to design the alternative dimensions of the Sidan Dam diversion tunnel with a circular cross-section. The results of the analysis found that the diameter of the diversion tunnel was 5 m, with a 25-year return design discharge of 265.54 m3/sec. The thickness of the tunnel walls is designed to be 0.5 m thick with materials made of reinforced concrete, where the main reinforcement used 3D25-500 and the divider reinforcement used D25-500.

Co-Authors A. A. Ngr. Billy Narendra A.A. Sg. Dewi Rahadiani I Gusti Agung Putu Eryani I Kadek Sandi Wiguna Putra I Kadek Suarnaya I Made Ardantha I Made Okdivian Soekaratha I Wayan Wesna Astara Nyoman Surayasa Nyoman Surayasa Putu Aryastana Putu Gede Panji Oka Chandra Yasa Bagiarta, I Ketut

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