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INDONESIA
Jurnal Rekayasa
Published by Universitas Lampung
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Articles 8 Documents
 1 
Search results for , issue "Vol 16, No 3 (2012): Edisi Desember 2012" : 8 Documents clear
POTENSI BAHAYA GEMPA DAN ANALISIS REGANGAN DI SELAT SUNDA BERBASIS GPS (GLOBAL POSITIONING SYSTEM) Ahmad Fajriyanto; Armijon .; Eko Rahmadi
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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Abstract

The Sunda Strait is the meeting of two tectonic plates, the Eurasian plate and Indo-Australianplate. Sunda Strait has a fairly high seismic activity. This is shown by several earthquakes thathave occurred in the Sunda Strait. The high seismic activity was caused by the presence of activefaults and subduction zones in the Sunda Strait. Based on the fairly high seismic activity in theSunda Strait is necessary to do research on the strain rate that occurred in the Sunda Strait.In thisstudy CGPS observations contained in the Sunda Strait and parts of Java Barat. Based on theresults of GPS data processing, the observation point in the western part of the Sunda Strait hasvelocity in the direction of the North West with a value ranging from 2.21 to 3.16 shift in cm / yearand the eastern part of the Sunda Strait between 2.09 to 3.24 shift cm / year to the Northeast.Based on the pattern of strain, the West tends to have an extension of the Sunda Strait, as well asfor the eastern Sunda Strait. While the northern part of the Sunda Strait compressed. This showsthe activity and the Sumatran Subduction Fault in the area.
ANALISA TRANSPOR SEDIMEN DAN PENGARUHNYA TERHADAP PENGERUKAN KOLAM PELABUHAN BATUBARA DI KAWASAN SUKARAJA BANDAR LAMPUNG Yuda Romdania
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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In planning the construction and development of the Port, sedimentation or siltation problemsshould be minimized, especially in swimming harbor to secure and expedite the flow of shipping.Every time the sediment on the seabed will increase, in connection with the, to reduce siltationcaused by sedimentation is by dredging sediment pond Ports. Sediment defined as a collection ofparticle-organic and inorganic particles are irregularly shaped and accumulate extensively incoastal areas. based on Longshore Sediment Transport Table average rate of sediment obtained2176071.364 m3/yr/m. it means, within a period of 1 year, the extent of sediment by 2176071.364m2. And the time when the maximum height allowable sediment was 10.69 years. It means every10.69 years to do the dredging of the sediment on the sea floor, particularly in the harbor pool.
MENGHITUNG MANFAAT EKONOMI PEMBANGUNAN INFRASTRUKTUR TRANSPORTASI Aleksander Purba
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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Economic growth and available of infrastructures supply are requirement to fulfill demand ofpassengers and goods movement. In other hand, the restrictions of available budget could beobstacle to implement due to city’s limited budget that should financed other sectors such ashealthy, education, running water, garbage etc.City’s of Bandar Lampung try on searching secondary finance as an alternative source throughPusat Investasi Pemerintah (PIP), a special institution of Financial Ministry, reserve fundedconstruction of few project which consist of two flyovers and widening of seven main roads acrossthe city.Off course, it’s rightfully if public and taxpayers want to find out what are the benefit of thoseproject and how substantial would be influence for Bandar Lampung. Does a loan would becommensurable to obtained long term benefit? Research aims to enumerative the economicbenefit of construction of transport infrastructure, that’s as a whole will be fully complete danoperate. Meanwhile the widening section of seven main roads had completely a head. The resultshows that’s economic benefits of these project, direct and indirect, is bigger than wholesaleinvestment.
SUMIDA, PENGALAMAN TATAKELOLA SUNGAI YANG MENGINSPIRASI Murtedjo, Tedy; Purba, Aleksander
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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The Sumida River (Sumida-gawa) is a river which flows through Tokyo Japan. It branches fromthe Arakawa River at Iwabuchi and flows into Tokyo Bay. Its tributaries include the Kanda andShakujii rivers. What is now known as the "Sumida River" was previously the path of theArakawa, however towards the end of the Meiji era work was carried out to divert the main flowof the Arakawa to prevent flooding. It passes through the following seven wards of Tokyo.
PEMODELAN CURAH HUJAN KUMULATIF MINGGUAN DARI DATA CURAH HUJAN STASIUN PURAJAYA Ahmad Zakaria
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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The goal of this research is to study the periodic and stochastic models of data series of the weeklycumulative rainfall. The study was done by using daily rainfall series with long data 25 years(1977-2001) of Purajaya station. Based on the daily rainfall series, a weekly cumulative rainfallseries was calculated. The series of rainfall is assumed to be free of trend. Periodicities ofperiodic rainfall model of the weekly rainfall data series were presented by using 509 periodiccomponents. Stochastic components of the weekly rainfall data are assumed as residues betweenthe rainfall data with the periodic rainfall model. The stochastic components were calculatedusing the approach of autoregressive model. Stochastic Model presented in this research is usingthe thirth order autoregressive model. Validation between rainfall data and the periodic-stochastic rainfall model is done by calculating the correlation coefficient. For this study, thecorrelation coefficient between the data and the model of the weekly cumulative rainfall is 0,9999.From the results of this study can be inferred that the model of the weekly rainfall from Purajayastation gives very highly accurate approach.
KAJIAN MODEL PERBAIKAN KERUSAKAN PERKERASAN KAKU (RIGID PAVEMENT)DI PROVINSI LAMPUNG (Studi Kasus Ruas Jalan Sp. Pematang – Sp. Bujung Tenuk) Novie Winarny
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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A case study to Sp. Pematang – Sp. Bujung Tenuk state road (002 ; The Regulation of Minister ofPublic Works No. 631/KPTS/M/2009 on December 31 st, 2001 about the status and function ofState Road/ Non-Toll Road) included to Arterial Road of Eastern (Trans Asean Highway plan).The increasing of LHR volume and traffic weight has caused severe damages in certain parts.Those damages had been repaired by rigid pavement, by using concrete K-350 with 25 centime-ters thickness, 3.50 M x 5.00 M segmentation. After 4 years, the concrete pavement broke, thedamages are cracks on the edges, strips/lengthways, splits, vanish and perforated. Based on themodel of rigid pavement structure, figured out that the tendency of need of additional reinforce-ment on the edge of the plate, so the weight will not only be borne by concrete plate and dowerbars. The position of vehicle wheels were in the center or plate (Model 2), which affect negativelyto concrete plate with maximal moment as 7715.53 kgr.m and so additional reinforcement (plaitreinforcement) of D12-125 mm was needed. The better quality of concrete, the smaller deflectionwill be. By using fy = 400 MPA, but a conversion could be done for lower quality concrete case inorder to get proper reinforcement’s wide. That’s why the repair advice concentrate to not only onone segment of concrete plate, but also only on damages by giving additional reinforcement (wiremesh) D12 -200 mm (Model 2). To reach the increasing point of concrete tensile stress, the addi-tional reinforcement (wire mash) is needed, depending on damages repair.
Sampul Muka Jurnal Rekayasa Edisi Desember 2012 Ahmad Zakaria
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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Sampul Muka Jurnal Rekayasa Edisi Desember 2012
Daftar Isi Jurnal Rekayasa Edisi Desember 2012 Ahmad Zakaria
Rekayasa : Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol 16, No 3 (2012): Edisi Desember 2012
Publisher : UNIVERSITAS LAMPUNG

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Daftar Isi Jurnal Rekayasa Edisi Desember 2012

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