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All Journal Paduraksa : Jurnal Teknik Sipil Universitas Warmadewa Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Pengabdian Magister Pendidikan IPA GANEC SWARA Jurnal Gema Ngabdi Jurnal Abdi Insani Spektrum Sipil SADE Jurnal Arsitektur, Planologi dan Teknik Sipil Journal of the Civil Engineering Forum Prosiding Seminar Nasional Pengabdian Kepada Masyarakat Jurnal Pepadu PORTAL ABDIMAS

I Dewa Gede Jaya Negara

Jurusan Teknik Sipil, Fakulas Teknik, Universitas Mataram, Mataram Jalan Majapahit, No 62, Kota Mataram, Provinsi NTB, 83115

Author-ID : 1778246

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PENGARUH PENEMPATAN BENDUNG DI HILIR BELOKAN SUNGAI TERHADAP PEMBENTUKAN KONFIGURASI DASAR DAN SEDIMEN TERANGKUT NEGARA, I DEWA GEDE JAYA; PUTRA, IDA BAGUS GIRI; YASA, I WAYAN; DEWI, KURNIA
GANEC SWARA Vol 14, No 2 (2020): September 2020
Publisher : Universitas Mahasaraswati Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v14i2.148

Weir is one of the water buildings built across the river. Weirs are needed to elevate the river water level so that it meets the elevation of irrigation needs. In very diverse watershed conditions, it is very possible that a dam was built in a river channel that is not ideal because the river channel turns so that the building becomes less safe. To be able to know the safety of the weir from erosion that can cause the weir to collapse and break or overturn, it is necessary to conduct an experimental laboratory research on the position of the weir in the downstream of a river bend. Research related to its effect on sediment transport, especially in the formation of basic configurations needs to be known, because erosion at the bottom is the initial process of weakening the weir security. This research was conducted in the Hydraulics and Coastal Laboratory of FT. The irram in a river flume with a length of 8 m and a width of 50 cm. Weir test is carried out with 4 variations of discharge and 3 variations of the position of the weir downstream of the channel bends. Sedimentation data were analyzed by the methods of Mayer, Peter, Muler (M.P.M), Einstein and Shinohara-Tsubaki and topographic data analysis using the Surfer program. The results showed that in general the largest sediment transport occurred in the position of weir I at a distance of Â½ channel width downstream of the center of the channel bends for all tests, with the magnitude of sediment transport occurring from the MPM method Qs = 1x10-4 m3 / dt / m, Einstein Qs = 6,371x10-6 m3 / sec / m, and Shinohara-Tsubaki Qs = 1,7951x10-4 m3 / sec / m. More dominant scouring occurs at the foot of the weir downstream, with the basic configuration formed in the form of antidunes and standing waves, and based on the Froude (Fr) flow rate including subcritical flow (Lower Flow Regime) with the basic configuration form of ripples and dunes

KARAKTERISTIK LAJU RESAPAN LUBANG BIOPORI PADA BEBERAPA JENIS SAMPAH ORGANIK NEGARA, I DEWA GEDE JAYA; SETIAWAN, AGUSTONO; SAIDA, HUMAIRO; GUNAWAN, ADRI
GANEC SWARA Vol 15, No 1 (2021): Maret 2021
Publisher : Universitas Mahasaraswati Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v15i1.204

Â Â Â Â Â Many efforts have been made by various parties in overcoming the problem of waste and flooding, in residential areas that are starting to develop, one of which is by utilizing organic waste as a biopore filler to improve soil absorption and produce compost. The biopore infiltration hole technology can utilize organic waste to fill biopore media, which is used as a food source by biota in the soil layer. This study aims to determine the rate of biopore infiltration in the use of several types of organic waste such as (1) straw, (2) leaves and (3) household waste. Biopori is made from pipapvc 4 â€and 1 m in length with installation into the ground 80 cm and the rest above the soil surface 20 cm for testing purposes with a total of 12 test points and tested after 7 days to 21 days. For biopore holes without filler, the highest absorption rate was 85 cm / hour and the lowest was 42,167 cm / hour. The type of straw waste obtained infiltration rate of 179.34 cm / hour and the lowest infiltration rate of 86,770 cm / hour, with an average of 113.56 cm / hour. In the filler with leaf litter, the highest infiltration rate was 100,111 cm / hour and the lowest was 59,743 cm / hour, with an average value of 84.69 cm / hour. Whereas for household waste, the lowest absorption rate was 38 cm / hour and the highest was 100,111 cm / hour, and the average was 52,979 cm / hour. At the age of 7 days the waste has the highest absorption rate and after the waste is 21 days old it should be replaced with a new one.

Karakteristik Infiltrasi dan Potensi Irigasi di Lahan Kering Kecamatan Bayan Kabupaten Lombok Utara I Dewa Gede Jaya Negara; Lilik Hanifah; Humairoh Saidah; Saiful Anwar
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 7 No. 1 (2021): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v7i1.239

Agricultural development with horticultural crops on dry land is one of the government's efforts to increase dry land productivity so that new paddy fields are created in the Bayan area. Noting that land infiltration capability and its classification are important factors needed in irrigation planning to support the development of horticultural agriculture, so it is necessary to conduct field research on this matter. This study aims to determine the characteristics and classification of land infiltration and determine the trend of irrigation that can be applied. Field infiltration tests were carried out in Anyar and Sukadana villages with 4 test points each. The infiltration rate test in the field was carried out using a double ring infiltrometer and a soil test at the Geotechnical Laboratory, Faculty of Engineering, Unram. Analysis of the data used Horton's formula as a comparison and the results of the analysis were presented in the form of tables and graphs, conclusions were made descriptively. The results showed that the average infiltration rate in Anyar Village was at point 1 = 26.90 cm/hour, point 2 = 14.94 cm/hour, point 3 = 27.33 cm/hour, and point 4 = 8.21 cm/hour with soil including sandy clay. Infiltration rate classification of points 1 and 3 is very fast, point 2 is fast and location 4 is rather fast. For Sukadana Village the infiltration rate was obtained at point 1 = 43.52 cm/hour, point 2 = 36.67 cm/hour, point 3 = 12.86 cm/hour, and point 4 = 10.97 cm/hour, with the condition sandy clay soil. Sukadana's infiltration rate classification points 1 and 2 are very fast and points 3 and 4 are rather fast. Based on the results of the infiltration test, for very fast and fast infiltration, it is potential to apply jet irrigation such as sprinklers or perforations and for rather fast infiltration, drip irrigation can be applied with limited drip system

Analisisis Kinerja Sprinkler Mini Meganet 24 D Netafim Terhadap Variasi Debit dan Jarak Penempatan Sprinkler I Dewa Gede Jaya Negara; Ida Bagus Giri Putra; Anid Supriadi; Made Anggitha Dewi
JURNAL SAINS TEKNOLOGI & LINGKUNGAN 2021: Special Issue, Oktober 2021
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v0i0.253

Currently, there are many efficient and effective sprinkler irrigation tools on the market, so it is necessary to be careful in choosing for irrigation. Among them, the Meganet 24D Netafim, including the type of irrigation tool, which still needs testing to know its performance. This study aims to examine the sprinkler irrigation performance of Meganet 24D Netafim, on variations in flow rate and distance between sprinklers, related to irrigation uniformity (CU) and irrigation radius (Rn). This test was carried out on an area of about 1 acre, at a flow rate of Q1=0.42/sec, Q2=0.51 l/sec, Q3=0.52/sec, Q4=0.56 and the test sprinkler distance, r1=2 ,5m, r2=3m,r3 = 3.5m and r4 = 4m. The results of data analysis are presented in the form of tables and graphs and concluded descriptively. The results showed that, in all variations of Q and sprinkler spacing r1, r2, r3 obtained irrigation uniformity (CU) above 85% which was classified as high, while in the r4, Q1 and Q2 tests, CU was obtained below 85% which was considered low. All discharge variations, showing irrigation radius (R) about 5 m. So at r4 sprinkler spacing, it is not recommended in irrigation applications.

Penyuluhan dan Pelatihan Tentang Pembuatan Sistem Irigasi Lep Pipa Pada Jaringan Irigasi Air Tanah Dalam Di Dusun Arungan Bali Desa Akar Akar Kabupaten Lombok Utara I Dewa Gede Jaya Negara; Anid Supriyadi; Atas Pracoyo
Jurnal Gema Ngabdi Vol. 2 No. 2 (2020): Jurnal Gema Ngabdi
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v2i2.94

At present in the dry land of Akar Akar Village, the government has built no less than 22 ground water pumping wells since 1990. on the land. Arungan Bali as one of the locations of dry land with potential land that is pivot and sandy, 6 hours to 8 hours per hectare of land. The irrigation period is long and very wasteful of ground water, requiring very expensive costs. To overcome this, it is necessary to develop a network of existing JIAT with a lep pipe system to improve irrigation in land plots. Based on the results of field tests the pipe lep irrigation system can provide land faster than the existing JIAT system. For that, the pipe-pipe irrigation network needs to be restored to the farming community and given training, so that the plantation method is easy for the community to imitate. This dedication is carried out by extension methods and training in making pipeline irrigation in dry land. In counseling discussions and questions and answers, while in the training carried out the manufacture of irrigation networks in plots of land. The results of this dedication show that, the Arungan Bali farmer community has gained knowledge about plantations and can create a pipe irrigation network in a plot of land. The community can make a land network because an example already exists in the land around the residents' land. 30% of the ways that already exist.

KESERAGAMAN DAN PANCARAN IRIGASI PIPA PERFORASI PADA BERBAGAI KEMIRINGAN PIPA TRANSMISI I Dewa Gede Jaya Negara; Humairo Saidah; I Wayan Yasa; Adhitya Halim .P
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 10 No. 1 (2021)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

The potential of hilly dry land needs to be developed for limited land farming to have an equal distribution of food security in various potential areas. Many existing drylands, especially in hilly and sloping areas, have not been managed optimally for agriculture due to limited support for practical irrigation techniques. Utilizing differences in existing land elevation is a potential that can be exploited by irrigation techniques that require water pressure. The perforated pipe system irrigation technique has similarities to the mini sprinkler system because it uses water pressure, and it is very possible to be applied to sloped land conditions, but the ability of the perforation system needs to be known further so that it can be used for practical irrigation. For this reason, it is necessary to test the perforated irrigation system with certain variations of the slope of the beam range and uniformity, so that later it can be used as an initial reference. The test model uses a water source from a tendon as high as 3.7 m and with a tank capacity of ± 200 liters. The diameter of the transmission pipe is ½ inch with a length of 2.55 meters, and the lateral pipe as a perforation pipe with a 3mm hole consists of 3 pipes with a pipe length of 4 meters with a diameter of 1/2 inch and the distance between the holes of the perforation pipe is 60 cm. The test was carried out on 4 variations of the slope of 10º, 20º, 30º, and 40º with 4 variations of head 1 = 2.855 m, head 2 = 2.35 m, head 3 = 1.85 m, and head 4 = 1.30 m. Based on the research results, it shows that the greater the slope of the transmission pipe, the higher the head will be. The uniformity of the perforation irrigation was getting smaller the larger the slope with a minimum value of 85% and the highest being 91%. A large perforation beam is obtained at transmission slopes of 20º and 30º, namely 2.66 m and 2.40 m.

ANALISIS PENGARUH VARIASI JARAK DAN TINGGI STIK SPRINKLER TERHADAP KINERJA IRIGASI PADA LUAS LAHAN TERBATAS I Dewa Gede Jaya Negara; Syamsul Hidayat; I Wayan Yasa; Ni Luh Ayu Aprilianti
PADURAKSA: Jurnal Teknik Sipil Universitas Warmadewa Vol. 10 No. 2 (2021)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Perencanaan, Universitas Warmadewa

The conversion of agricultural land in urban areas has resulted in increasingly narrow agricultural land and many irrigation networks are not functioning. This has resulted in many isolated lands that cannot even be served by irrigation, so that the alternative source of agricultural water is local shallow ground well water. With the potential of water sources and limited land area, farming is expected to utilize water efficiently. Small sprinkler irrigation systems such as the 24D Netafim on the market, are expected to be an alternative in providing irrigation and for that it is necessary to test the ability of the irrigation system on the irrigation radius and its uniformity at a duration of 15 minutes. The test results showed that the irrigation uniformity was above 85% at the distance between sprinklers 4.5 m, 5 m and 5.5 m and 6 m with a stick height of 0.5 m and 0.75 m. For stick heights of 1.0 m and 1.25 m at the same sprinkler distance, the uniformity coefficient is less than 85%. While the optimal irrigation radius obtained at a sprinkler distance of 4.5 m, 5 m and 5.5 m is an average of 5.6 m.

Evaluasi Penentuan Kawasan Lindung Kota Mataram dalam Perannya Sebagai Kawasan Peresapan Air Humairo Saidah; Bambang Hariyanto; Anid Supriyadi; I Dewa Gede Jaya Negara
SADE : Jurnal Arsitektur, Planologi dan Teknik Sipil Vol 1 No 1 (2021): SADE April 2021
Publisher : Program Studi Arsitektur Fakultas Teknik Universitas Mataram

Kawasan lindung kota adalah Kawasan yang berfungsi melindungi kelestarian lingkungan hidup dan sumber daya di dalamnya. Pemerintah Kota Mataram telah menetapkan tiga kelurahan yakni Selagalas, Pagutan Timur dan Sayang-sayang sebagai kawasan lindung Kota Mataram. Penelitian ini melakukan pengujian terhadap kemampuan resapan ketiga kawasan lindung tersebut untuk mengukur kinerja ketiganya dalam menjaga tata air sekaligus mencegah kerusakan lingkungan akibat peristiwa alam di wilayah Kota Mataram. Penelitian dilakukan dengan mengukur kemampuan penyerapan air (infiltrasi) di ketiga kelurahan tersebut menggunakan double ring infiltrometer serta menguji sifat fisik tanah di laboratorium. Hasil yang diperoleh adalah bahwa kapasitas infiltrasi kelurahan Selagalas, Pagutan Timur dan sayang-sayang berturut-turut adalah 2.8cm/jam, 2.2cm/jam dan 1.8 cm/jam, dengan jenis tanah yang hampir sama yaitu lempung berpasir. Berdasarkan angka laju resapan menunjukkan bahwa laju penyerapan Pagutan Timur dan Selagalas masuk kategori sedang dan Sayang sayang berkategori sedang lambat. Dengan curah hujan rerata harian antara 12-43 mm/hari, maka potensi penyerapan air rerata dari ketiga lokasi adalah 124.936 m3/tahun untuk Kelurahan Pagutan Timur, Kelurahan Selagalas 284.963 m3/tahun dan Sayang sayang 165.311 m3/tahun. Namun angka potensi ini masih memerlukan penyesuaian mengingat ketiga kelurahan tersebut sudah banyak beralih fungsi menjadi pemukiman

ANALISIS KARAKTERISTIK KEDALAMAN HUJAN DAN IKLIM DI PULAU LOMBOK I WAYAN YASA; YUSRON SAADI; HERI SULISTYONO; ERY SETIAWAN; HARTANA HARTANA; I DEWA GEDE JAYA NEGARA
GANEC SWARA Vol 15, No 2 (2021): September 2021
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v15i2.219

Climate and rain parameters are important factors that affect the availability of water resources on the earth's surface. The phenomenon of climate change that occurs today has an impact on the depth and distribution of rain and climatological parameters. The existence of rain and climate on Lombok Island changes very significantly every year. These changes affect various sectors, especially the irrigation sector. Thus, various adjustments must be made, such as adjusting the time of planting, cropping patterns and the types of plants being cultivated. In this case, knowledge about the characteristics of rain and climate that occurs on the island of Lombok is very important to know the pattern and magnitude of the incident as well as the time of the incident. This study was conducted to determine the condition of each climate variable in the Lombok island region by calculating the monthly average for 25 years. The smoothing uses the Theissen polygon method by utilizing 19 scattered rain station data and 4 climatological stations. Based on the analysis carried out, the results showed that the average monthly temperature ranged from 26.17-27.09°C, humidity 87.70-89.83%, sunlight 39.79-69.44%, and wind speed 53 ,73-110,21knot. The highest rainfall occurred in January of 235.33 mm, while the lowest occurred in August of 18.12 mm.

ANALISIS RANCANG BANGUN SISTEM IRIGASI HEMAT AIR TERPADU BERBASIS JARINGAN IRIGASI AIR TANAH (JIAT) PADA LAHAN KERING TANAH BERGRADASI HALUS DI PRINGGABAYA KABUPATEN LOMBOK TIMUR: Design of Irrigation System Collaboration Analysis on Ground Water Irrigation (JIAT) at Smooth Gradation Dry Land in Pringgabaya West Lombok sub-Province I Dewa Gede Jaya Negara; Anid Supriyadi
Spektrum Sipil Vol 3 No 1 (2016): SPEKTRUM SIPIL
Publisher : Jurusan Teknik Sipil Fakultas Teknik Universitas Mataram

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

Penerapan irigasi sprinkler besar pada jaringan irigasi air tanah (JIAT) di lahan kering Pringgabaya, masih menghadapi banyak kendala di lapangan. Rendahnya kemampuan tanah untuk meresapkan air karena bergradasi halus, air irigasi lebih dominan menguap daripada meresap ke dalam tanah. Oleh karena itu keterbatasan JIAT dan sistem irigasi yang ada dilapangan akibat kondisi lokasi yang kurang mendukung, maka perlu diatasi dengan pengembangan JIAT agar penggunaan air menjadi lebih efektif dan efisien sampai dilahan. Pengujian sistem irigasi hemat air terpadu baik dengan sistem tetes maupun sprinkler mini yang ada dipasaran lokal, perlu dilakukan agar petani dapat dibantu dalam memanfaatkan air JIAT ditingkat lahan yang lebih sesuai. Penelitian ini bertujuan mendapatkan rancangan sistem irigasi hemat air terpadu tetes sprinkler mini dan leb di laboratorium Hidrolika Fak.Teknik Unram, dengan data lapangan, debit aliran dan luas lahan layanan sebagai dasar perancangan. Perancangan irigasi sistem jaringan terbuka dan tertutup, diuji pada debit pompa sekitar 2,8 l/dt sd 7 l/dt. Data-data analisis data keseragaman irigasi, kinerja irigasi dan debit luaran irigasi,di presentasikan dalam bentuk tabel dan grafik serta kesimpulan diambil secara deskriptif. Hasil penelitian menunjukkan irigasi sprinkler mini, pada jaringan tertutup diperoleh radius irigasi terendah R1=1,67m pada Q= 3,1 lt/dt, R2=2,24m pada Q=4,7 l/dt dan pada Q= 5,1lt/dt diperoleh R3= 2,88m, Qrata-rata sprinkler mini 0,02 lt/dt dengan koefisien keseragaman(Cu) 72,24%. Pada sistem jaringan terbuka diperoleh R = 2,45 m dengan Q rata-rata 0,11 lt/dt dan Cu = 73 %. Pada irigasi tetes sistem terbuka diperoleh Cu 70,3%, dengan debit rata-rata pipa lateral 0,24 cm3/dt, sedangkan pada sistem jaringan tertutup diperoleh Cu 71,3% dengan debit luaran 0,32 cm3/dt. Irigasi leb sistem jaringan tertutup menunjukkan nilai Cu lebih tinggi dari pada sistem terbuka.Pada irigasi leb dengan 4 bok luaran, diperoleh debit luaran berkisar 0,16 l/dt sd 0,21 lt/dt sedangkan pada 7 bok luaran diperoleh debit luaran bok sekitar 0,09 lt/dt sd 0,14 lt/dt. Keseragaman debit luaran sistem tertutup lebih baik dari pada sistem terbuka. Sehingga sistem irigasi yang potensial terpadu adalah irigasi leb dengan sprinkler mini pada jaringan sistem tertutup, dan irigasi tetes sistem terbuka dengan sprinkler mini.

Co-Authors , Kisman Abdi Fadillah Adhitya Halim .P Agastya, Dewandha Mas Agus Soroso Agus Suroso Agus Suroso Agus Suroso Agus Suroso Agus Suroso Agustono Setiawan Akbar, Tabrani Anid Spriyadi Anid Supriadi Anid Supriyadi Anid Supriyadi Anid Supriyadi Anid Supriyadi Anid Supriyadi ANID SUPRIYADI Atas Pracoyo ATAS PRACOYO Atas Pracoyo Bakti, Lalu Arifin Aria Bambang Budi Santoso Bambang Budi Santoso Bambang Hari Kusumo Bambang Hariyanto Bambang Hariyanto Budianto, M Bagus BUDIANTO, M. BAGUS Desi Widianty Desi Widiyanti Dewa Made Alit Karyawan Dewandha Mas Agastya DEWANDHA MAS AGASTYA Dewi, Kurnia Didi Supriyadi Agustawijaya Eko Pradjoko EKO PRADJOKO Eniarti, Miko ERY SETIAWAN Ery Setiawan Ery setiawan Fera Fitri Salsabila GUNAWAN, ADRI Hartana Hartana HARTANA HARTANA Hartana, Hartana Hasim Hasyim hasyim, hasyim Hasyim, Hasyim Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono Heri Sulistiyono, Heri HERI SULISTYONO Hidayat, Syamsul Humairoh Saidah I B Giri Putra I Gusti Made Kusnarta I Kade Wiratama I Nyoman Merdana I Nyoman Merdana I W Sugiartha I Wayan Joniarta I Wayan Suteja I Wayan Yasa I Wayan Yasa I Wayan Yasa I Wayan Yasa I Wayan Yasa I Wayan Yasa, I Wayan I.B. Giri Putra IAO Suwati Sideman Ida Ayu Oka Suwati Sideman Ida Bagus Giri Putra IDewa MadeAlitKaryawan Isnaniar Isnaniar Rahmatul Azizah IWayan Suteja Joko Priyono Julio, Ryan Bagus Jurnal Pepadu Karyawan, I Dewa Made Alit Kisman Lalu Arifin Aria Bakti Lalu Wirahman Wiradarma Lalu Wirahman Wiradarma Lalu Wirahman Wiradharma Lilik Hanifah Lilik Hanifah Lolita Endang Susilawati Lolita Endang Susilowati M Bagus Budianto M R. Sepriadi Made Anggitha Dewi Made Mahendra Made Mahendra MadeMahendra Mahendra, Made Merdana, I Nyoman Miko Eniarti Muh Bagus Budianto Muh. Bagus Budianto Muhajirah Ngudiono Ngudiono Ni Luh Ayu Aprilianti Ni Made Seniari Ni Putu Ira Sintia Kurnianti Nufalia Hidayati Nurrachman Nurun Ainudin Pathurahman PRACOYO, ATAS Purwangsa, Herdi PUTRA, IDA BAGUS GIRI Ratna Yuniarti Ratna Yuniarti Rohani Rohani Rohani Rohani SAIDA, HUMAIRO Saiful Anwar Saleh, Ramdan Salehuddin Salehuddin, Salehuddin Salehudin Salehudin Salehudin Salehudin Salehudin Sideman, IAO Suwati Sukartono Suparjo Suparjo Suparjo SUPRIYADI, ANID Suwardji Tajidan, Tajidan Veithzal Rivai Zainal WIRADARMA, LALU WIRAHMAN Yusron Saadi Yusron Saadi YUSRON SAADI Yusron Saadi Yusron Saadi

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