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TEKNIK

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Published by Universitas Diponegoro

ISSN : 08521697 EISSN : 24609919 DOI : -

Core Subject : Engineering,

Engineering

Journal yang mempublikasikan artikel-artikel ilmiah dari berbagai disiplin ilmu rekayasa/keteknikan. Artikel-artikel yang dipublikasikan di Jurnal TEKNIK meliputi hasil-hasil penelitian ilmiah asli (prioritas utama), artikel ulasan ilmiah yang bersifat baru (tidak prioritas), atau komentar atau kritik terhadap tulisan ilmiah yang dipublikasikan oleh Jurnal TEKNIK.

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Articles 12 Documents

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Search results for , issue "Volume 32, Nomor 2, Tahun 2011" : 12 Documents clear

INVENTARISASI PERUBAHAN WILAYAH PANTAI DENGAN METODE PENGINDERAAN JAUH (STUDI KASUS KOTA SEMARANG) Sudarsono, Bambang
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

The environment change in the coastal area can be caused by nature factors for example abrasion,sedimentation and by human factor for example is coastal reclamation. The environment change in the coastalarea can influence change of coastline.Change of coastline can be evaluated and surveyed based on map and satellite image. The coastline changedetection in Semarang City had been done for several years based on Semarang Cityâ€™s topographic map (1938)and Quickbird Satellite Image (2006).The research change of coastline carried out by Remote Sensing Method and Geographic Information System.Based on research and field survey in Semarang City, there are significant coastline changes includingabrasion, sedimentation and reclamation.Conclusion can be obtained from this research is the wide change because coastline change in Semarang Cityfrom 1938 until 2006: which caused by reclamation factor and sedimentation factor is equal 502.437 Ha, andabrasion factor is equal 458,323 Ha.

PENGARUH GETARAN DAN KARAKTERISTIK LALU LINTAS TERHADAP BANGUNAN (Studi Kasus Jalan Raya Semarang â€“ Kendal antara Km. 10+000 dan Km. 10+500) Siswanto, Joko; Wicaksono, Y.I.
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

Connections between building damage and vibration intensity has been examined by few researcher. Indeedtackling of effort about bigger damage has been examined too. But connections between traffic character andbig vibration in the street edge isnâ€™t much inspect. Some of literature almost study about connections betweenvibration and traffic micro and too specify, such as to look vibration character and itâ€™s relation with vehiclecharacteristic. Generally details like it is less applicative, Theoretically itâ€™s better do by perform a formula.To aim this study is to examine of connections between vibration in the street edge and traffic characteristic athighway. Traffic characteristic which examined covering are traffic volume and average of traffic speed.To support the aim, survey and analysis is needed. Survey material needs are vibration survey, traffic speed,traffic volume and few road characteristic. Survey did at the street edge with three location where everylocation have few different road characteristic, in this case wide of drainage as of attentuation wide. Everylocations inspected by variable inspection distance are 5 m. 15m and 25 m. Speed and traffic volume datarecorded in every location by using manual record, While vibration data recorded at every point of everylocation by using vibration record Vibecheck meter.Result of recording processed and analyzed to obtain average value and it data distribution. To viewconnections between vibration and traffic characteristic, distance and attentuation, to perform correlation andregretion examine. Regretion examine used for mode calibration connections between vibration and trafficcharacteristic, distance and attentuation based on Watt style.Exams result show that 1) There is strong relation between vibration with distance of examine and attentuationwide, where that connections is negative identifying, 2) There is strong relation between vibration and trafficspeed but not with traffic volume and heave vehicle on the traffic, where that connections is positive identifying,3) Watt style calibration examine result gave good enough result if we look RÂ² value of correlation examineresult which reach 0,96.From analysis result we can concluded some cases, 1) cause vibration is effected by traffic speed then decreaseof vibration effect can performed by limitation speed especially at residence area and 2) cause vibration iseffected by distance and attentuation , then decrease of vibration effect can performed by widest distancebetween building and street edge and widest attentuation in this case is drainage

KEBUTUHAN FASILITAS PENYEBERANG JALAN DENGAN METODE GAP KRITIS (Studi Kasus Jalan Raya Semarang â€“ Kendal Km. 16.50) Wicaksono, Y.I.; Siswanto, Joko
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

This study want to measure the performance of pedestrian facilities ( zebra cross), particularly the critical gapanalysis to see the level of opportunity to cross the street safely. To support the recommendations that will be setin addition to the critical gap method will be investigated also waiting time and total time to cross the street andanalysis of types of facilities based on the volume of pedestrian and vehicle volume as the raw determination ofthe crossing facility.From some discussion can be summarized that according to the study analyzes the volume of pedestrian andvehicle volumes obtained by the recommended pedestrian facilities according to standard determination of thecrossing facility is the type of pelican crossing with a separator. Based on the analysis of waiting time to crossthe street, 93% require pedestrian waiting time, with the average waiting time to cross and the total time tocross at that location, which is 56.61 seconds and 79.25 seconds. The condition is very far from the pedestrianshould not waiting more than 30 seconds.Results of analysis of critical gaps, both based on the critical gap only in the morning or combined critical gapin the morning and afternoon shows very little chance of crossing the road owned by the defector, on themorning of 7 times for critical gap in only the morning and 11 times for a combination of critical gap Total 125waders for 06.30 until 7:30 pm, and 20 times based on a critical gap only in the morning a and 29 times forcritical gap combination of pedestrian total of 66 people over at 07.30 until 08:30 pm.Thus based on the results of some analysis that has been done can be concluded that pedestrian facilities are noteffectively to use zebra cross type . The proposed type of road crossing facilities on arterial roads for thepedestrian to use a pedestrian facility type like overpass or underpass to eliminate conflicts between thevehicle flow and a pedestrian crossing.

MEKANISME DEFORMASI, PERGERAKAN (SENSE SHEAR) DAN PERKEMBANGAN STRUKTUR DALAM PROSES DEFORMASI DUCTILE Fahrudin, Fahrudin
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

The deformation mechanisme in ductile â€“ transition zone show microfracture cataclasis activities,intracrystalline deformations, twinning, kinking, solid-sate diffusion creep, recovery and recrystallisation. Thatactivities to extend the sense shear indication. Sense shear can see i.e porfiroclast, mica fish, porfiroblast, veins,strain shadow, strain fringe and boudin. Commonly sense shear indications to get the form of ellipsoid geometry.That geometry experience to development the structure along progressive deformations process. Thedevelopment of inclusion and fabric also occur at that process.

EVALUASI DOKUMEN ASPEK TEKNIS PADA PROSES PELELANGAN KONTRAKTOR DENGAN APILKASI METODE AHP (ANALYTICAL HIERARCHY PROCESS) Wibowo, M.Agung; Suliantoro, Heri; Marithyanti, Shinta
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

The procurement process could be defined as all the activities required in getting a product or a service from thesupplier to the customer. It consists of the purchasing function, storing, transportation and managers therelations between suppliers and internal customers. The Analytical Hierarchy Process (AHP) is acomprehensive, logical structured frame work. It allows to improve understanding of complex decission systemby decomposing the problems. The AHP is based three principles which are decomposition of the problems,comparative judgement of the elements and synthesis of the priorities.The objectives of this study are to identify criteria involved in the contractor bidding process, to elaboratetechnical aspect involeved in the bidding process based on committeeâ€™ experince and to discuss and to comparethe outputs obtained based on the committeeâ€™ experience and the application of the AHP.The results of the study said that construction method has the highest ranking compare other apecst which is27%. The next ranking are time scheduling (16%), technical specification and material (13%), organizationalproject and person incharged (10%), construction labour scheduling (10%), list of equipment (8%), cash flowestimation (6%), list of sub-contractor and project site facilities (5%). These rangking could be used todetermine the score of contractors to do bidding process.

PENGARUH PEMBEBASAN LAHAN TERHADAP RISIKO PROYEK KONSTRUKSI (STUDI KASUS SOCIAL ENGINEERING PROYEK JALAN TOL RUAS SEMARANG BAWEN) Hermawan, Ferry; Kistiani, Frida; Djoko Santoso, Tanto
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

Semarang-Solo toll road has strategic significance for the development of the national road network inparticular in Central Java and also for the development of road networks in the regional scale. At stage 1 is thesegment Semarang-Bawen along 23.1 km is divided into sections 1 Semarang-Ungaran along 14.1 km requireland acquisition area of 52.23 Ha and 7.8 km long in Semarang district with an area of land acquisition needs60.37 Ha. Although he was pursued through the vacant lands, but in reality also crossed the road infrastructureor splitting the existing environment. Land acquisition is a fundamental problem of construction project and it ispart of the risk of infrastructure procurement. Purely technical approach sometimes can not always solve theproblem to minimize the risk. So this condition is sometimes often be in the realm of social engineering.

STUDI KERUSAKAN LINGKUNGAN AKIBAT PENAMBANGAN BGGC WILAYAH SUNGAI DI KABUPATEN PEKALONGAN Najib, Najib
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

Pekalongan Residence has a relatively many sand and gravel deposits particularly in river area. Nowadays,many locations have been exploited by local residences or investors from other regions. Sand and gravel miningis being done since 1980s, thatâ€™s why it can created devastated land in that surrounding area of mining. As theresult of that condition, it is called for the research to determine how devastated land condition during or aftermining. Factors used in this research to determine devastating land are mining technique, rate of mining, depthof slope mining, width of mining hole, relief of digging base, characteristics of material slope, tilt of diggingslope, reserving of top soil and overburden, erosion stage, vegetation cover, reclamation. Devastated landbased on mining has vary in low and high scale. In the gullies river,most of them in low devastated landcondition. Meanwhile, devastated land in border of river vary in low up to high. Several places which are havehigh devastated land are Sastrodirjan (Wonopringgo District), Dororejo(Doro District) and Krompeng (TalunDistrict). In deposit bar, has low up to high devastated land. High devastated land are Pododadi (Karanganyardistrict), Sastrodirjan (Wonopringgo district) and Kaligawe (Karangdadap district).

DESAIN APLIKASI SIG UNTUK PELAYANAN JARINGAN PIPA PDAM ( Studi Kasus : Jaringan Pipa PDAM Demak ) Laila Nugraha, Arief; Haniâ€™ah, Haniâ€™ah
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

Regional water treatment and supply company (PDAM) Demak city is water utility service provider for Demakpeople. This company is one of important regional state enterprise to increase income regional of Demak City.PDAM as companies service must be build up the system that can be satisfied his consuments. One of the systemis Geographics Information System (GIS) Pipeline Aplication. The system is integrate Global Positioning System(GPS) that can knows real position pipeline routes, and programming GIS application that can makes the systemcan be operated user easily. The goal of the system is can calls back geodata of pipeline that be needed forPDAM to serve his consuments and knows area that can be covered existing pipeline routes.

THE URBAN DENSITY AND ISOPRICE PERSPECTIVES FOR TRANSPORTATION INFRASTRUCTURE Hermawan, Ferry
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

The endownment problems of urban growth is the density. Based on Land-Rent theorema, the people move tosuburban area. After that, the access built to accommodating the people activities. This article describe aboutthe density, road network pattern identification and the isoprice as the new approach to chapturing themacroscopic evaluation. By literature study from previews study and spatial methodology by geographicinformation system, the problems was simulated quantitatively. The result of this study indicated that SemarangCity has radial concentric topology with pattern of density commencing to south district with cheaper costtransport in the dense network of public transport.

USER-CENTERED DESIGN SEBAGAI METODE PENINGKATAN KONTROL KOGNITIF PADA LINI ASSEMBLY (STUDI KASUS PT. KUBOTA INDONESIA) Susanto, Novie
TEKNIK Volume 32, Nomor 2, Tahun 2011
Publisher : Diponegoro University

In developing countries like Indonesia, the rationalization of production processes and systems will increase.Challenge that emerged significantly is the increase in planning efficiency. A prospective approach to reduce theplanning effort is the development of a production system capable of optimizing itself during the process. On theassembly line PT. Kubota Indonesia found that the workers perform assembly process with a sequence that is notplanned as a result of the lack of a standardized sequence of process companies and lead to cognitive controlthat are not stable and continuous learning process. Because this issue contrary to the concept of efficiency inplanning, it takes an automated system with a complete and fully optimized (self-optimizing production system).The purpose of this study is to apply the planning efficiency through implementation of optimized productionsystem (self-optimizing production systems) in assembly-line PT. Kubota Indonesia. Data obtaining done by thedetermination of primary and secondary variables include the perception of cognitive control, a solution basedon the memory (memory), and action. Repairs are carried out is by applying self-optimizing production systemconsisting of 4 steps: the development of cognitive architecture is to determine the sequence of work andapplying it to extend the software, implementation of individual modules is through the use of hand screw, thedevelopment of human machine interfaces in hand tool screw is through the explanation task analysis andimplementation and evaluation of improvement is the use of robotic assembly in the assembly processenvironment.

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