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TEKNIK

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.

Arjuna Subject : -

Articles 522 Documents

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TESTING OF CONCRETE PAVING BLOCKS THE BS EN 1338:2003 BRITISH AND EUROPEAN STANDARD CODE Purwanto, Purwanto; Arni Priastiwi, Yulita
TEKNIK Volume 29, Nomor 2, Tahun 2008
Publisher : Diponegoro University

Concrete paving blocks are the choice for road and urban roadâ€™s surfacing. Besides their ease inapplication, they also provide design freedom by coloring off the material.Of major importance is their compression strength. The Indonesian SNI categorizes strength to theirpurposes i.e., for parking areas, pedestrian walking areas and heavy industrial estates.According to the SNI 03 â€“ 0691 -1989 and British Standard BS 6717:1986 the strength of a paving blockis determined by the maximum carrying capacity under distributed load. The blocks are placed under acompression apparatus, and the compression strength at failure is recorded.As being observed in the field paving blockâ€™s failure pattern differs as to the failure under distributedloading. The pavingâ€™s failure mode is distinguished by a bending failure plain at the smallest crosssection.The BS EN 1338 code proposes a different approach. This paper will discuss the methods being used inthe BS EN 1338 code, and evaluates the effectiveness of Indonesian standards to date.

CONSUMER PREFERENCE IN TYPE OF HOUSE APPEARANCE OFFERED BY HOUSING DEVELOPER IN SEMARANG Khalifah, Ali Alsharef Khlil; Pandelaki, Edward E.; Rukayah, Siti
TEKNIK Vol 36, No 2 (2015): (December 2015)
Publisher : Diponegoro University

Persaingan tajam antara bisnis properti perusahaan meningkat seiring dengan bertambahnya populasi dengan meningkatnya kebutuhan rumah. Tujuan dari penelitian ini adalah untuk menganalisis preferensi konsumen tentang penampilan rumah yang ditawarkan oleh pengembang perumahan di Semarang. Populasi dalam penelitian ini pengunjung dari pameran perumahan diselenggarakan di beberapa Mall di Semarang. Teknik analisis yang digunakan adalah persepsi responden tentang preferensi konsumen dalam jenis penampilan rumah dengan analisis deskriptif karena dalam analisis deskriptif akan mencerminkan pendapat sebenarnya dari responden penelitian. Berdasarkan hasil dan analisis, kesimpulan dalam penelitian ini adalah: Jenis rumah yang konsumen paling sukai adalah tipe minimalis dan yang kedua adalah tipe Vernakular. Hal ini karena bentuk Minimalist yang ramping dan menarik di hampir setiap ruang. Tipe Minimalis juga memiliki keunikan yang sangat sederhana dan menarik juga modern. Jenis minimalis sangat populer dan harga yang lebih rendah. Sementara itu, jenis vernakular lebih hampir oleh pengusaha yang berasal dari masyarakat kelas tinggi dan mereka mengatakan jenis vernakular besar dan mewah, juga georgeous. [Title: Consumer Preference in Type of House Appearance Offered by Housing Developer in Semarang] Competition among companies property enhances along with increasing population coupled with the increasing needs of house. The purpose of this study is to analyze the consumer preference in type of house appearance offered by housing developer in Semarang. The method used in this research is qualitative methods because the qualitative methods more better in explaining the phenomena in practices. The analytical method used is depending on respondent perception about consumer preference in type of house appearance with descriptive analysis. The house type that the consumer prefer mostly is minimalist type and the second is Vernacular type. This is because the spare and streamlined is charming in almost any space.

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.

DISTRIBUSI TEGANGAN PADA PERCABANGAN PIPA 90O AKIBAT TEKANAN INTERNAL MENGGUNAKAN MEH Suprihanto, Agus; Satrijo, Djoeli; Basuki Wibowo, Dwi
TEKNIK Volume 28, Nomor 2, Tahun 2007
Publisher : Diponegoro University

Piping system is very important in many industries. Ones of crucial in design of piping system are todetermine the stress distribution around the branch. In this research, the distributed stress over 90o branchpiping system was evaluated with finite element method. Five models piping 90o branch which differentratio of diameter of pipe have been developed. The load applied on the models is internal pressure.The results indicate that around the branch there is stress distribution. The maximum stress is located atcenter of the branch but decrease significantly in the distance 30mm-45mm from it. Beyond the distance75mm from center, for diameter ratio 1, the model gives good agreement with experiment data

Aplikasi Pembelajaran Interaktif â€œPerang Padriâ€ Menggunakan X-Box Kinect Untuk Meningkatkan Minat Siswa Dalam Mempelajari Sejarah Bangsa Indonesia Ramadhona, Azka; Dewi, Meilany; Henim, Silvana Rasio
TEKNIK Vol 38, No 1 (2017): (Juli 2017)
Publisher : Diponegoro University

A well recognition and understanding national history plays an important role in shaping the character of nation, especially Padri War history which tells about a dispute between two clans but then allied to defend against invaders. Historyâ€™s subject in school which is taught by telling story and reading books makes student not interested in studying history. In this case, we need a different approach to makes student in fifth grade more interested to learn it. One of alternative learning media that can be applied to fifth graders is the application of Padri War. In this application, Padri War is described in 3D animation video and there are many of trivial questions in it to test user ability. The result of the application testing conducted to five teacher respondents concludes this interactive application could be the best alternative learning method for fifth grade elementary school student today. The conclusion reflects on the assessment indicators of 80% material aspect, 72.5 % general aspect, 78,9% quality display, presentation of the material to 75%, and 84% of user interaction. On the student respondents, the visual design aspect in the Padri War learning is worth 79.3%. Overall, presentation study material in the form of 3D animation video would certainly increase the interest of elementary students in learning history.

DESAIN KAPAL IKAN DENGAN BENTUK LAMBUNG CATAMARAN YANG MENGGUNAKAN SISTEM PENGGERAK LAYAR AN MESIN UNTUK MUATAN IKAN HIDUP Manik, Parlindungan; Sasmito Hadi, Eko
TEKNIK Volume 31, Nomor 1, Tahun 2010
Publisher : Diponegoro University

The Application Of Catamaran Hullform For The Fishing Vessel accorded to the leakage of the monohullform. The existence and the using of the lively fish hold could help the fisherman to decrease theoperational cost for about 11,8% to keep the fishes. Therefore the application of sail objected to reduce thebiggest cost operation component that is the fuel consumption. Catamaranhullform design for lively fish holdtook one hullform which has the best performance. The performance aspects in this case are the hydrostatic,ship resistance, stability and seakeeping.The research about catamaran fishing vessel design for lively fishes using sail and machine as the ship moveris expected to give the information about the hullform that has a better performance than the commonlyhullform and it could be an alternative to improve the fishing vessel hullform into the modern one.Accorded to the calculation result and analysis are gained the result that showed at the velocity of 12 knotsfrom some length dimension variations of fish hold for the catamaran fishing vessel with lively fish hold,variation of length of 2,0 meters could reduced the biggest shipâ€™s resistance for about 3,99% between theother modification hullform and the shipâ€™s resistance of standard hullform. Otherwise, by the stability aspectof any variation condition, fish hold length dimension variation at 2,0 meters had a better stability thananother fish hold length dimension and catamaran fishing vessel which used the commonly fish hold. Theinstallation of sail at the fish hold length dimension at 2,0 meters could reduce the power operation for about48,42% better than fishing vessel that used the commonly fish hold.

LINGKUNGAN KAMPUNG BERKELANJUTAN DAN POTENSI MASYARAKAT DI KAMPUNG KANALSARI, SEMARANG, INDONESIA. (Studi Kasus: Kampung Kanalsari â€“ Semarang) Sari, Widiastuti; Nany, Yuliastuti
TEKNIK Volume 33, Nomor 2, Tahun 2012
Publisher : Diponegoro University

Low-income communities tend to live in the urban village areas (defined as â€™kampongâ€™), which presence isprevalent in several major cities in Indonesia. Kampong is a neighborhood or residential area of low-incomepeople with poor physical conditions. Kampong is a traditional neighborhood which is marked by the features ofclose-knit relationships (Herbasuki, 1984). The legitimate land ownership motivates the people to build anddevelop houses and neighborhoods, in accordance with the economic ability of the family. Housinginfrastructure development that is generally taking place in the Indonesian kampongs are commonly carried outby the kampongsâ€™ residents together with the municipal government. This has been the common practice in orderto sustain and prevail the existence of the kampongs.This paper is the result of a study on the effects of infrastructure development that are viewed from theperspectives of physical conditions of the kampong as well as the socio-economic conditions of the communitiesin Kampong Kanalsari, Semarang, Indonesia. With the use of a mixed-methods approach coupled with aquantitative analysis, the outcomes of study are as follows: 1) residents of kampongs evidently have highmotivation to prioritize on the development of infrastructure; 2) there is a high level of social quality, whichproves that the character of the people who have harmonious society have and still survive in KampungKanalsari; 3) the development and improvement of village infrastructure that are conducted independently andby non-government institutions positively impacts the physical conditions of the housing environments, socialand economic conditions of the community. The influence of social conditions occupies the highest level becausethe development is carried out independently, based on the aspirations, interests and needs of the community,which ultimately provide benefits and advantages for the kampongâ€™s residents. This influence would directlyaffects the community as it increases their motivation to build and improve the housing conditions andenvironmental sustainability in order to ensure security and liveability of the residential area.

Penurunan Temperatur Instalasi Kabel NYM 2x1.5mm2 Dengan Mengatur Sudut Penekukan Manfaluthy, Mauludi; Syukur, Muhammad; Supriyadi, Adi
TEKNIK Vol 39, No. 2 (2018): Desember 2018
Publisher : Diponegoro University

One of the major causes on high temperature of the cable wires are erroneous bent position. Apparently at certain circumstances such as home or factory, cable installation must not be applied in upright assemble. There is a considerable that the cable installation must be applied in bent position. It was found that imprudent cable bending installation more likely to cause higher temperature to the cable. Considering controversy surrounding higher heat may occur to smaller and taper bending angle cable when it is electrified, it was designed an innovative solution to demote the temperature of NYM 2 x 1,5mm2 cable installation by regulating the cable bent angle. In this research, NYM 2 x 1.5mm2 cable were used as insulation resistance test by flowing it with various electric current as well as 5A, 10A, 17A, 18A and 19A. Cable bending angle were tested at 30o, 60o, 90o, 120o , and behind-bent wires. The test equipment was Omicron CPC 100 which has the capabilities of driving the output voltage up to 2kV AC with electrical currents outputÂ up to 800A and 400A DC. The results were significant to the cable with mild bending angle that reduces the amount of temperature which stopped isolation from burning and prevented conductive wire from melting where taper bending cable angle with (300) isolation were likely to be more flammable.

KAJIAN KELAYAKAN KEGIATAN PERTAMBANGAN BAHAN GALIAN GOLONGAN C DI KECAMATAN CEPOGO KABUPATEN BOYOLALI Najib Najib; Junaedi Junaedi
TEKNIK Volume 30, Nomor 2, Tahun 2009
Publisher : Diponegoro University

Sand and Gravel mining activity in Cepogo District come out pro and contra in that society. This researchaims to figure out the impact of mining from physical aspect. Parameters used in this research such ascondition and mining activity, hydrology, erosion, land exchanged, infrastructure condition, mass wasting,land use and reclamation effort. From those parameters are counted mining properness in those locations.According with data analysis, mining activity in eight villages in Cepogo District has improper mining(e.g. Gedangan, Sumbung, Paras, Mliwis, Sukabumi, Cepogo and Cabean Kunthi) and in one location isvery improper mining (Wonodoyo). This condition due to mining didn’t follow good mining practice(GMP).

PENGEMBANGAN MODEL PEMILIHAN RUTE JALAN RAYA BERDASARKAN PERILAKU PENGGUNA MENGGUNAKAN ANT-COLONY OPTIMIZATION (ACO) Siswanto, Joko
TEKNIK Volume 34, Nomor 3, Tahun 2013
Publisher : Diponegoro University

In the election of the road network usually use road network system optimization considerations with aggregative behavior by determining the shortest route or the lowest cost. Determinants of consumer behavior in route selection and decision-making of the most dominant (disaggregated). Route selection optimization model based on user behavior can be implemented from the results of model development preference with Conjoint analysis. Preferences user behavior seems, is directly proportional to the convenience, the crowd, the facilities, the ease, safety, and inversely proportional to the density. Route selection optimization model with the development of ant-colony optimization formula can be applied with the substitution probability of interaction and preferences as well as the network models incorporate the concept of route selection based on consumer behavior and the physical condition of the network.

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