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All Journal Jurnal Teknik Pengairan: Journal of Water Resources Engineering Jurnal Qua Teknika Prosiding Temu Profesi Tahunan PERHAPI Prokons: Jurnal Teknik Sipil Journal of Earth and Marine Technology (JEMT) Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Jurnal Pengabdian pada Masyarakat Ilmu Pengetahuan dan Teknologi Terintegrasi Jurnal Geominerba
Agus Suhardono
Jurusan Teknik Sipil Politeknik Negeri Malang
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Optimasi Penggunaan Lahan Pertanian dengan Program Linier (Lokasi Studi : J.I. Sumber Buntu,Kecamatan Jabung, Kabupaten Malang) Suhardono, Agus
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 2, No 1 (2011)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (166.747 KB)

Abstract

Perencanaan optimasi lahan pertanian dapat dilakukan dengan program linier. Dengan tujuan memaksimumkan keuntungan total dan pembatas ketersediaan air dan luas lahan, telah digunakan data-data pada areal pertanian irigasi jaringan irigasi Sumber Buntu, Kecamatan Jabung, Kabupaten Malang. Jenis tanaman yang digunakan adalah padi, polowijo (jagung dan sayur-sayuran) dan tebu, dengan analisa tiga kali musim tanam dalam setahun. Dari iterasi metode simpleks pada model matematika program linier diperoleh hasil sebagai berikut : pada musim tanam I luas lahan optimum untuk padi 7 hektar sedang untukpolowijo/ jagung dan tebu masing-masiiig 60 hektar dengan nilai keuntungan Rp3.750.350.000,-, musim tanam II luas lahan optimum untuk padi 63 hektar dengan keuntunganRp 649.6530.000,, musim tanam III luas lahan optimum untuk padi 60 hektar, dengan keuntungan Rp 618.600.000,-.Kata Kunci : optimasi lahan pertanian, memaksimalkan total keuntungan,program linier
NERACA SUMBERDAYA MINERAL PROVINSI JAWA TIMUR TAHUN 2018 Novianto, Dandung; Suhardono, Agus; Gautama, Gregorius Aryoko
Prosiding Temu Profesi Tahunan PERHAPI 2020: PROSIDING TEMU PROFESI TAHUNAN PERHAPI
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/ptptp.v0i0.189

Abstract

Sumber daya mineral merupakan salah satu kekayaan yang dapat dimanfaatkan oleh negara dan masyarakat. Provinsi Jawa timur salah satu propinsi yang masuk dalam bagian ring of fire sehingga memiliki potensi komoditas mineral sejumlah 31 komoditas. Neraca sumberdaya mineral merupakan salah satu alat untuk mengetahui pemanfaatan sumberdaya mineral dan konservarsi serta kelestarian fungsi lingkungan. Sumberdaya mineral terbagi menjadi empat hipotetik, tereka, terindikasi, terukur. Cadangan terbagi menjadi dua yaitu terkira dan terbukti. Pembuatan neraca sumberdaya mineral menggunakan acuan SNI 6728.4:2015. Sumberdaya yang memiliki potensi paling besar di tahun 2018 adalah batu gamping sebesar 4.360.675.461 ton. Kabupaten potensi sumberdaya mineral terbesar yaitu Kabupaten Bangkalan sebesar 3.395.753.000 ton. Komoditas oniks merupakan komoditas dengan sumberdaya terkecil sebesar 265 ton. Kabupaten yang memiliki sumberdaya terkecil adalah Kabupaten Pamekasan sebesar 100.000 ton. Komoditas yang memiliki sumberdaya diperlukan pengelolaan yang terpadu oleh dinas terkait di Propinsi Jawa Timur.   Pemanfaatan komoditas sumberdaya mineral di Provinsi Jawa Timur pada tahun 2018 belum secara maksimal oleh masyarakat. Produksi ketiga komotias yaitu sirtu, andesit, dan batu gamping merupakan komoditas yang selalu dibutuhkan masyarakat untuk pembangunan infrastruktur. Diperlukan penelitian lebih dalam untuk pemetaan komoditas dan izin usaha pertambangan yang mampu mendatangkan pendapatan bagi daerah. 
PASIR VULKANIK SEBAGAI BAHAN STABILITAS CAMPURAN GENTING BETON (STUDI EXSPERIMEN GRADASI PASIR GUNUNG KELUD PADA RADIUS 200 KM DI KOTA CARUBAN) Joko Setiono setiono; Agus suhardono; Johanes Asdhi Purwanto
Prokons: Jurnal Teknik Sipil Vol. 12 No. 1 February 2018
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v12i1.146

Abstract

Genting is a utility roof materials above the building that serves as a protective weather and channeling rain water that was on it down. Alternative yangb concrete tiles is done more efficiently without the combustion process. Kelud the ash sand fly bergradai to the distance, in other words the farther the distance of the small grain diameter at a given radius. The heat caused by the Volcanic magma, ash makes Kelud Sand has a high water absorption, but will have saturated and rejected, resulting in bledding. By mixing sand times as a species, then an increase hidroulis and mechanical properties of an ideal mix ratio. From the experiment results for the compressive strength of the mixture 2: 2: 1 is stronger ie max 108.00 kg /cm2, a mixture of 3: 2: 1 compression stress value obtained sbesar 64.00 kg /cm2 and the mixture of 4: 2: 1 obtained compressive stress value of 24.00 kg /cm2. As for the bending stress fracture to a mixture of 2: 2: 1 max values obtained at 33.5 kg / cm2and for a mixture of 3: 2: 1 max values obtained at 23.33 kg /cm2 while for mixture 3: 2: 1 obtained value max of 5.33 kg /cm2, and water absorption in the saturated surface dry condition for a mixture of 2: 2: 1 obtained 10.23%, water absorption in the saturated surface dry condition for a mixture of 3: 2: 1 obtained 11.82 %, water absorption on the condition of saturated surface dry to mix 4: 2: 1 obtained 12.81%,. Then for mains water tembur can be seen in the discussion section, but can be inferred to mix 2: 2: 1 is more dense because Crystal showed a copy with a little water and a relatively dry and to a mixture of 4: 2: 1 indicates a copy with softer water crystals and evenly with a small diameter, both assessed at the time of maximum concentration, while for the mixture 3: 2: 1 is more porous at the same time. Keywords: genting concrete, hydraulic properties, volcanic gradient, mixed ideal
PENGARUH AMBANG -BERTALUD PADA BAK KONTROL DI SALURAN TERBUKA TERHADAP KONDISI ALIRAN Agus Suhardono; Joko Setiono; Mona Shinta
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.317

Abstract

Abstract The control basin in the open channel functions as a channeled sediment control building. In this research, this research was carried out in a menhole with a beralud sill design, so that it is expected to increase the flow performance of the open channel on the downstream side. This study uses the parameter FR <1 (sub critical flow), especially the downstream side. The discharge variable varies from small to large for model 1 (talud 1: 1) and model 2 (talud 1: 2). The results of the FR research still fulfill, for model 1 on the upstream side the value of FR = 0.277 - 0.295, on the downstream side the value of FR = 0.526 - 832, while for model 2 on the upstream side the value of FR = 0.229 - 0.274, on the downstream side the value of FR = 0.185 - 0.864 ,. The depth of water in Model 1 on the upstream side H = (6.8 - 8.9) cm, on the downstream side H = (3.1 - 5.3) cm while model 2 on the upstream side H = (6.8 - 8.9) cm, on the downstream side H = (3.0 - 8.9) cm . According to the law of continuity, the amount of constant discharge, the results of the study of the amount of discharge at each point of review are different in the two models, causing a reduction in discharge, with an average value of discharge reduction (Cq), for model 1 Cq = 1.036 and for model 2 the value of Cq = 0.959 . Keywords: discharge, flow, channel
PERENCANAAN ULANG BANGUNAN PENGAMBILAN BERTIPE MORNING GLORY MENGGUNAKAN PONDASI BORED PILE PADA BENDUNGAN LOGUNG Moch. Suaib Reiza; Agus Suhardono; Musa Pranadesta Manzra Surati
Prokons: Jurnal Teknik Sipil Vol. 13 No. 1 February 2019
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v13i1.183

Abstract

 The existing square tower of intake has 1,397.57m3 volume and using shallow foundation Logung Dam with its weight stability will cause inefficient structures and potential to earthquake force effect. It is necessary to have an alternative planning of the intake tower. The authors intends to redesign the intake with morning glory type and used bored pile; to find out the position of intake tower, dimension, reinforcement, duration, cost estimate, and to compare the redesign.The required data were of topographic map, irrigation, and raw water discharge, bearing capacity, and work unit price analysis of project 2016. Manning Method was applied to find out the dimension; Shell Slab Method with Column Approach to calculate the structure of the intake tower, and Skempton Method to calculate bearing capacity. The redesign results in the position of ∅ 1.75-m intake tower on conduit channel with 728,08 m3 volume; the dominant load of  operational-earthquake combination with different values; D22-200 steel bar for y-direction, D19-150 for x-direction on conduit channel, D19-150 for x,y-direction on intake tower segment 1, D16-150 for x,y-direction on intake tower segment 2, and D13-150 for x,y-direction on intake tower segment 3; on 105 workdays; at  a total cost of IDR 2,327,806,700 with 40.64 % efficiency cost. 
BIMBINGAN TEKNIS PENGELOLAAN PERPUSTAKAAN DAN PENGADAAN MEJA LIPAT DI MADINAH MAARIF 10 MALANG Winda Harsanti; Suselo Utoyo; Agus Suhardono; Utami Retno P.; Mona Shinta S.
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 7 No. 2 (2020): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v7i2.43

Abstract

Madinah Maarif 10 is one of the nonformal education that operates in the religious field in Malang. In effort to maintain the quality of education and the quantity of students, Madinah established a library and once every year learning activities are held outside the Madinah. Library management is done by Madinah manager helped by students as assistants and supervised by head master of Madinah. To support activites which is done in outside Madinah, it is needed to make small folding table from wood so that light and stay longer.
PELAKSANAAN KEGIATAN PEMASANGAN RAMBU LALU LINTAS JALAN DESA WISATA WRINGINSONGO KECAMATAN TUMPANG KABUPATEN MALANG Helik Susilo; Achendri M. Kurniawan; Agus Suhardono; Harsalim A. Jayaputra; Deni Putra Arystianto; Muhammad Tri Aditya
J-ABDI: Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 6: Nopember 2022
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jabdi.v2i6.3861

Abstract

Laju pertumbuhan lalu lintas tanpa diimbangi dengan upaya peningkatan pencegahan kecelakaan akan berdampak kurang baik terhadap keselamatan, keamanan, kenyamanan dan ketertiban lalu lintas. Kegiatan pengabdian kepada masyarakat diarahkan untuk memanfaatkan dan menerapkan hasil penelitian dan hasil pendidikan di perguruan tinggi sebagai upaya memajukan dan meningkatkan kesejahteraan masyarakat. Upaya pencegahan kecelakaan adalah dengan melengkapi bangunan pelengkap jalan berupa rambu-rambu lalu lintas dengan penempatan dan standar yang memadai, yang diharapkan dapat meningkatkan keselamatan masyarakat. Selain masalah kecelakaan lalu lintas, keberadaan rambu lalu lintas dapat mempermudah akses jalan menuju lokasi wisata desa, hal ini dikarenakan rambu lalu lintas juga dapat digunakan sebagai penunjuk arah.
Analyzing the roughness of the discontinuous surface in Mt. Semeru Eruption rock Diana Irmawati Pradani; Heru Dwiriawan Sutoyo; Agus Suhardono
Journal of Earth and Marine Technology (JEMT) Vol 3, No 2 (2023)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2023.v3i2.4131

Abstract

From the moment they were formed to the deposition process, the characteristics and properties of rocks that form on the earth's surface vary. The effects of Mount Semeru's eruption will be transported and deposited, eventually solidifying into rock masses. As a result of weak places like joints, fractures, and fissures, where the density, filling, and orientation are not continuous, rock masses in nature have discontinuous or discontinuous qualities. Rock shear strength will be decreased if there are discontinuous planes in the rock bulk. Using Barton's empirical equation and the Joint Roughness Coefficient (JRC) parameter, roughness conditions in discontinuous planes can be measured. Determining the features of the rock mass that are influenced by the shear strength of discontinuous planes in the Mount Semeru eruption rock based on variations in shear roughness in accordance with Barton and Choubey's criterion is therefore crucial. The observation of discontinuous plane roughness conditions in rocks as a result of Mount Semeru's eruption is necessary to get many rock shear strength parameters, which are then used to determine the friction angles, undulation values, and cohesion values in the surface of the discontinuous plane.
ANALISIS KARAKTERISTIK KEKASARAN PERMUKAAN BIDANG DISKONTINU PADA BATUAN HASIL ERUPSI GUNUNG SEMERU Diana Irmawati Pradani; Heru Dwiriawan Sutoyo; Agus Suhardono; Harsalim Aimunandar Jayaputra
JURNAL GEOMINERBA (JURNAL GEOLOGI, MINERAL DAN BATUBARA) Vol 8 No 1 (2023): Jurnal Geominerba - 2023
Publisher : PPSDM Geominerba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58522/ppsdm22.v8i1.126

Abstract

Rocks that form on the surface of the earth have varying properties and characteristics from the time they were formed to the deposition process. The results of the eruption of Mount Semeru that have been released will experience transportation and deposition and will become rock masses. Rock masses in nature have discontinuous or discontinuous properties caused by weak areas such as fractures, joints, fractures and fissures where the density, filling and orientation of the weak areas are not continuous. Discontinuous planes present in the rock mass will result in reduced shear strength of the rock. Roughness conditions in discontinuous planes can be quantified using Barton's empirical equation using the Joint Roughness Coefficient (JRC) parameter. Therefore, it is very important to know the rock mass characteristics that are affected by the shear strength of discontinuous planes in the eruption rock of Mount Semeru based on variations in shear roughness according to Barton and Choubey's criteria. Observation of discontinuous plane roughness conditions in rocks resulting from the eruption of Mount Semeru is qualified in order to obtain several rock shear strength parameters so that the undulation and cohesion values and friction angles in the surface of the discontinuous plane can be known. The results of this study showed that the JRC roughness value of discontinuous rock areas resulting from the eruption of Mount Semeru ranged from 10 – 20 and based on the reference given by ISRM (1981) it has a value in category V (smooth undulation).
SUMBERDAYA, CADANGAN, PRODUKSI MINERAL DAN BATUAN PROVINSI JAWA TIMUR TAHUN 2018 Gregorius Aryoko Gautama1; Dandung Novianto; Agus Suhardono
Jurnal Qua Teknika Vol 11 No 1 (2021): Maret 2021
Publisher : Universitas Islam Balitar Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/quateknika.v11i1.1452

Abstract

Indonesia memiliki sumber daya alam yang melimpah salah satuya sumberdaya mineral yang dapat dimanfaatkan oleh negara untuk kepentingan masyarakat. Pulau jawa bagian timur yang diwakili oleh Provinsi Jawa Timur mempunyai potensi komoditas mineral sejumlah tiga puluh satu mineral. Potensi sumberdaya mineral suatu daerah dapat dihitung dengan menggunakan neraca sumberdaya mineral. Pengklasifikasian sumberdaya mineral adalah menjadi empat sumberdaya hipotetik, sumberdaya tereka, sumberdaya terindikasi, dan sumberdaya terukur. Acuan yang digunakan untuk menghitung neraca sumberdaya mineral suatu daerah adalah SNI 6728.4:2015. Cadangan diklasifikasikan menjadi dua yaitu cadangan terbukti dan cadangan terkira. Sumberdaya mineral paling besar di Jawa Timur adalah batu gamping sebesar 4.360.675.461 ton. Cadangan terbesar adalah komoditas Batu Gamping sebesar 2.567.292.867 ton dengan cadangan terkira sebesar 1.794.000.000 ton dan terbukti 773.292.867 ton. Tiga besar komoditas yang paling produktif adalah Sirtu, Andesit dan Batu Gamping. Sisa cadangan tebesar di tahun 2019 sebesar 2.566.060.071 komoditas Batu Gamping. Potensi beberapa komoditas sumberdaya mineral di Provinsi Jawa Timur pada tahun 2018 sangat besar sehingga diperlukan pengelolaan yang bijaksana. Sisa cadangan yang besar beberapa komoditas dapat dimanfaatkan untuk kesejahteraan masyarakat. Komoditas yang sudah dimanfaatkan oleh masyarakat merupakan komoditas yang digunakan untuk pembangunan infrastruktur di berbagai daerah. Pengelolaan potensi sumberdaya mineral dapat memberikan keuntungan bagi daerah dan masyarakat berupa pajak mineral dan batuan yang wajib dibayarkan oleh perusahaan
Co-Authors Achendri M. Kurniawan Cahyani, Eri Cupasindy, Dyah Ayu Rahmawati Dandung Novianto Deni Putra Arystianto Diana Irmaawati Pradani G. A. Gautama Gindang Rain Pratama Harsalim A. Jayaputra Helik Susilo Heru Dwiriawan Sutoyo Heru Dwiriawan Sutoyo Jayaputra, Harsalim A. Jayaputra, Harsalim Aimunandar Johanes Asdhi Purwanto Joko Setiono Joko Setiono setiono Moch. Suaib Reiza Mona Shinta Safitri Muhammad Tri Aditya Musa Pranadesta Manzra Surati Supiyono . Suselo Utoyo Sutoyo, Heru Dwiriawan Utami Retno P. Winda Harsanti