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Mengembangkan Potensi Energi Terbarukan Di Jaringan Irigasi Dengan Pembangkit Listrik Tenaga Mikro Hidro (Pltmh)
Suwignyo .
Media Teknik Sipil Vol. 9 No. 1 (2011): Februari
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i1.1120
Power Generation Potential Micro Hydro Mini & Micto Hydro (PLTM & PLTMH) in Indonesia reached 0.45 GWatt, has been developed for 0084 GWatt (18%). One potential PLTM & PLTMH is irrigation networks, both new irrigation networks and existing irrigation networks. Wide of †rice fields in Indonesia are 6134 million ha, consisting of 19,344 technical irrigation network mainly scattered in the island of Java, Sumatra, Sulawesi, Bali and West Nusa Tenggara Province. Year 2005 has been successfully built the capacity of 100 kW PLTMH Melong exploit irrigation networks were involved networks fall building in Curug Agung in Subang district. PLTMH produced 700,800 KWh of energy per year, medium voltage network interconnected with PLN. In April 2008 this power of Micro Hydro Power (PLTMH) with a capacity of 100 kW operating in Campus University Muhammadiyah of Malang (UMM) and this is collaboration result of UMM with the National Research and Development ( Balitbang) Ministry of Energy and Mineral Resources of Indonesia. UMM PLTMH Development is to promote the use of renewable energy sources as part of efforts to overcome the energy crisis as well as efforts to decrease greenhouse gas emissions that cause global warming. One type of renewable energy sources are small -scale water or micro- hydro. Development of PLTM & PLTMH in irrigation networks can be done in the main building, building falls, and buildings structures to complement that have a high hydraulic fall. The study on an irrigation network D.I. in Kedungkandang Malang shows that the potential power in buildings comes up in irrigation on the main channel reaches about 1 MWatt.Key words: power, micro hydro, irrigation channels
SIMULASI RESPON PONDASI TIANG PANCANG AKIBAT PEMBEBANAN LATERAL MENGGUNAKAN METODE BEDA HINGGA
Ahmad Fitri Sujatmiko
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1192
Structural response of concrete of pillar commonly happened from the result of in site testthrough loading test. But, the test needs large amount. So, it is suggested to use an efficient analysismethod through simulation of numeric model. A model of pillar on the homogeny land will be loadedby a horizontal weight. By considering strengthen of the pillar and the reaction of the ground, tosolve the accountability can be done by using finite differences method. For example, for a concreteof pillar 30x30cm with a lateral weight 1000kg are have lendutan response ymaks=42mm, while themaximum moment response Mmaks=780kg.mKeyword: concrete response, lateral weight, finite differences method.
PEMANFAATAN ABU BAGASSE SEBAGAI FILLER TERHADAP NILAI MARSHALL TEST PADA CAMPURAN ASPHALT TREATED BASE ( ATB )
Andi Syaiful Amal
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1193
Solidity construction of road of Indonesia generally are flexible solidity construction. One ofkind flexible solidity are solidity of ATB ( Asphalt Treated Base ) layer that give fundamental layerfunction that under surface layer which support and spread load along with place to put surfacelayer. Trial to asphalt are follow : penetration, flexible point, ductility, while trial of agregate follow: kind heavy ang agregate absorption, analysis of agregate filler. The thing of test trial of optimumasphalt degree is devided 5 variation namely 5%, 5.5%, 6%, 6.5% and 7% wich each groups aremade 5 different sample with weight each 1200 gram. The optimum asphalt degree which be got6.5%. The thing of test trial of optimum asphalt by filler Bagasse Dust are made 11 groups by fillerdegree 6.42% early which be made 0% up to 90% of Bagasse dust according to weight with 10%interval, by each groups are made 3 samples. The study result showed that three are influence ofusing Bagasse dust as filler to Marshall Test value. Stability is shown by equation Y = 1672.5 +17.544 X – 0.2336 X2 gotten optimum Bagasse dust degree about 37.59% by stability value are2001.033 kg. The flow value is shown by equation Y = 4.05 + ( 2.7 E – 3 ) X – ( 1 E – 4 ) X2 byoptimum Bagasse dust degree about 13.5% is gotten flow value 4.05%. The hole in ATB compoundis shown by equation Y = 4.102 + ( 0.04 ) X – ( 5 E – 4 ) X2 is gotten optimum Bagasse dust about40% by air hole about 4.90%. To Marshall Quotient value may be shown by equation Y = 4.007 +( 0.046 ) X – ( 5 E – 4 ) X2 by optimum Bagasse dust degree about 46% by Marshall Quotient valueare 5.06 kN/mm.Key word : Asphalt Treated Base ( ATB ), Bagasse Dust.
PENGARUH PENAMBAHAN ‘LIMBAH KARET BAN LUAR’ TERHADAP KARAKTERISTIK MARSHALL PADA LAPIS TIPIS ASPAL PASIR (LATASIR) KELAS B
Andika Budi Tristianto;
Khoirul Abadi
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1194
Asphalt mixture Latasir called HRSS (Hot Rolled Sand Sheet). Proper aggregate gradation,asphalt latasir distinct class A and class B. A known class Latasir HRSS-A with a nominal minimumthickness of 1.5 cm. As a class known as HRSS Latasir B-B with a nominal minimum thickness of2 cm. Latasir intended for asphalt road with light traffic, especially in areas where coarse aggregateis not available. The use of “rubber tire waste” as asphalt additives latasir is expected to reduce theuse of asphalt and benefits, including increases due to the braking surface traction and reduces tirenoise due to friction with the floor surface. The addition of “waste tire rubber” mixing the asphaltmade with a variety B latasir rubber content of 1%, 2%, 3%, 4% and 5% of the bitumen content. Itis known that a mixture of asphalt latasir B with the addition of “waste rubber tire ‘can improve thequality of Marshal. In the rubber content optimum for the ratio of 0312% rubber content andasphalt content of 7.89%, resulting in a mixture characteristics: Marshall Stability 950 kg, MarshallQuotient 4.1 kN/mm, Air Voids 3.5 % dan film thickness 8 μm.Key word : Asphalt mixture Latasir B, and waste rubber tires, Marshall test
KAJIAN PENANGGULANGAN LIMPASAN PERMUKAAN DENGAN MENGGUNAKAN SUMUR RESAPAN (STUDI KASUS DI DI DAERAH PERUMNAS MADE KABUPATEN LAMONGAN)
Chairil Saleh
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1195
Desa Donowarih memiliki manajemen penanganan sampah yang buruk, maka perencanaanTPPopulation growth and rapid development led to changes in land use functions. Lots of landwhich was originally in the form of open land or forest to residential and industrial area. It is notonly urban region, but has been extended in the cultivation and protected areas, which serve awater. The impact of land use change surface runoff is rising at the same time decresing infiltrationof water into the ground. As a result the area occurs the reduced flood and infiltration into theground as ground water augmentation. The same thing happened in the Perumnas Made frequentduring the rainy season puddles. To prevent this and also to maintain the required reserves ofground water wells.This study aims to reduce runoff and prevent surface runoff and can increase the potential forground water. Besides, in order to take advantage of rainwater into the ground through wells. Sothat treatment can conserve and save water resources for long-term soil.Building design of water infiltration in this study is the recharge wells. Wells can accommodatesurface runoff and rain fall on every house gutters. Recharge wells in this study is planned in eachhome. Analysis results obtained from the total volume of rainfall with a 2-year return period is =2627.468 m3 while total volume of well is 3022.5 m3. As in every home is planned the wells withcircle radius from 0.45 to 0.75 meters with a variation to the depths of the wells ranged from 1.6 m- 2.9 m. So the wells is very effective to hold the entire discharge with a 2-year return period.Key words: Pond, Recharge Wells
DAFTAR ISI Jurnal Media Teknik Sipil Vol. 09 No.2 Hal. 96-171 Agustus 2011
Daftar Isi
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1196
Simulasi Respon Pondasi Tiang Pancang Akibat Pembebanan Lateral Menggunakan Metode Beda HinggaAhmad Fitri Sujatmiko .............................................................................................................. 96 - 101Pemanfaatan Abu Bagasse Sebagai Filler Terhadap Nilai Marshall Test Pada Campuran Asphalt TreatedBase ( Atb )Andi Syaiful Amal ................................................................................................................... 102 - 106Pengaruh Penambahan 'Limbah Karet Ban Luar' Terhadap Karakteristik Marshall Pada Lapis Tipis AspalPasir (Latasir) Kelas BAndika Budi Tristianto1,Khoirul Abadi2 ...............................................................................107 - 115Kajian Penanggulangan Limpasan Permukaan dengan Menggunakan Sumur Resapan (Studi Kasus di DiDaerah Perumnas Made Kabupaten Lamongan)Chairil Saleh ............................................................................................................................ 116 - 124Perencanaan Ulang Balok Beton Bertulang Pada Gedung Rusunawa Umm Dengan Metode Strut AndTieDona Dwi Fitrianti 1, Zamzami Septiropa 2, Erwin Rommel 3 ............................................. 125 - 131Kajian Distribusi Sedimentasi Waduk Wonorejo, Tulungagung-Jawa TimurErnawan Setyono ................................................................................................................... 132 - 141Pengaruh Pemberian Perawatan Steam Curing Terhadap Kekuatan Dan Durabilitas Beton Dengan SemenPozzolan (Effect Of Steam Curing On Strength And Durability Concrete With Cement Pozzolan)Erwin Rommel ........................................................................................................................ 142 - 154Studi Evaluasi Dan Perencanaan Sistem Jaringan Drainase Pada Bagian Wilayah Kota ( Bwk Ii ) Unaaha,Kabupaten Konawe Sulawesi TenggaraIrvan Umar ............................................................................................................................ .155 - 160Pengembangan Sistem Jaringan Distribusi Aie Bersih Di Kecamatan Turen.Moh. Abdullah Ali ....................................................................................................................161 - 165Penerapan Model Tangki Dengan Tiga Tangki Susunan Paralel Untuk Transformasi Data Hujan MenjadiData Debit (Studi Kasus Pada Inflow Waduk Selorejo Dan Waduk Lahor)Rahman ...................................................................................................................................166 - 171
PERENCANAAN ULANG BALOK BETON BERTULANG PADA GEDUNG RUSUNAWA UMM DENGAN METODE STRUT AND TIE
Dona Dwi Fitrianti;
Zamzami Septiropa;
Erwin Rommel
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1198
Deep beam is the reinforced concrete structure, which has loads like normal beam, but has acomparatively high rate / width of a large, with clean span of Ln equal to or less than four times theoverall member height (h) or twice effectively depth beam (2d ) from the face of support withconcentrated loading. Strut and Tie Model (STM) is a method used to find the balance between loadand reaction forces in the concrete and steel.Redesign on Rusunawa beams using deep beam structure that consists of, beam 0.9 mx0,3mwith length 6.8 m that loaded of concentrated loading and deep beam 1.3 mx0, 4m by 4.2 meterslong that uniformly distributed loading. quality of concrete is used 25 Mpa and the quality of Steel350 MpaFrom the results of planning by using Strut and Tie Model (STM), obtained main flexurereinforcement of 6.8 meters is 4D19 for tensile bar and 5D19 for assembling bar. and Ø8- 160mmfor horizontal and vertical stirrups. As for the deep beam spans 4.2 meters, obtained flexurereinforcement is 5D20 for tensile and assembling bar and Ø8 - 220.2 mm for horizontal and verticalstirrups.Keywords: Deep beam, Strut and Tie method
KAJIAN DISTRIBUSI SEDIMENTASI WADUK WONOREJO, TULUNGAGUNG-JAWA TIMUR
Ernawan Setyono
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1199
This study aims to know the distribution of sedimentation of the most suitable method amongthe Emperical Area Reduction Method and Area Increment Method for predicting the the distributionof sediments in the Reservoir Wonorejo. While the purpose of this study was to determine the baseelevation of a new reservoir (new zero elavation) after the existing sediments. With both methodscan be known distribution of sediments in the reservoir for the operating life of 8 years and 11years. After analysis, it can be concluded that Emperical Area Reduction Method is more suitable topredict the distribution of sedimentation in reservoirs Wonorejo. For operasi period of 8 years,sediment has reached an elevation of +122,21 m which is at 2.21 m above the base elevationreservoirs, the amount of sediment that settles in the reservoir is 2,0608. and for the operationof 11 years, sediments deposited reaches two, 2,2371. at an elevation of +123,47 m or 1,47m above the base elevation of the reservoir.Key word : Distribution of Sedimentation
PENGARUH PEMBERIAN PERAWATAN STEAM CURING TERHADAP KEKUATAN DAN DURABILITAS BETON DENGAN SEMEN POZZOLAN (EFFECT OF STEAM CURING ON STRENGTH AND DURABILITY CONCRETE WITH CEMENT POZZOLAN)
Erwin Rommel
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1200
The use of concrete as a building material has been developed both in quantity and qualityaspects. Concrete production time is long term in a foundry to make many breakthroughs to makea concrete material that fast food, such as precast concrete. The use of precast concrete in the areaof an aggressive environment than expected strength factors are also needed high durability,including resistance to porosity and permeability properties of concrete.This research was conducted with the cooperation of one of Precast Concrete Factory in EastJava, including the manufacture of 15x15x15 cm cube of concrete and steam curing system.Thisvariable on research ; use the type of cement (pozzolan cement and cement type-1), the length ofsteam (5 and 7 hours), and the quality concrete (K350 and K700). As for the testing performed oncompressive strength, permeability and porosity of concrete.This study concluded that steam curing system to provide early strength concrete that isbetter than conventional curing (non-steam), where compressive strength of the post-steam canreach 51% of high-strength concrete (K700) with the results 361 kg/cm2, whereas in normalconcrete (K350) reached 52% (compressive strength 192 kg/cm2). Pozzolan cement concrete alsohas the advantage in increasing the durability of concrete, especially in high-strength concrete,where the concrete porosity becomes smaller either by steam curing and non-steam. Permeabilityof concrete is given a steam becomes smaller than the normal concrete with conventional curing(non-steam).Key word : steam curing, pozzolan cement, strength of concrete
STUDI EVALUASI DAN PERENCANAAN SISTEM JARINGAN DRAINASE PADA BAGIAN WILAYAH KOTA ( BWK II ) UNAAHA KABUPATEN KONAWE SULAWESI TENGGARA
Irvan Umar
Media Teknik Sipil Vol. 9 No. 2 (2011): Agustus
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Muhammadiyah Malang
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DOI: 10.22219/jmts.v9i2.1201
City Area II ( BWK II ) Unaaha since 1982 became the capital of Kendari Residence anddeveloped into Konawe residence in 2004 as the shape of regional autonomy spirit and developmentin northeast Sulawesi.Drainage Sistem condition in Unaaha city could be said lack ability in supportingbanishment whether from household waste or rain debt as hydrology effect happened in the area. Itmade Unaaha faced serious matters caused by flood which happened in several regions, especiallywhen rainy season came. So, there needed evaluation of canal capacity and new drainage systemplanning.According to evaluation, there found that there were several canal which didn’t able to interceptflood debt in 2 years ( Q 2 years ), so that needed re-plan of canal plane. New drainage canalplanning also needed to reduce water slick when it rained. There also needed supporting buildings,water channels in drainage which able to minimize the slick area.Key word : Drainage, flood debt, normalization, planning evaluation