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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.

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Articles 522 Documents

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Hubungan Partisipasi dan Kepuasan Masyarakat dalam Program Revitalisasi Kawasan Braga Kota Bandung Dewi, Diah Intan Kusumo; Rakhmania, Siti Dea
TEKNIK Vol 37, No 1 (2016): (Juli 2016)
Publisher : Diponegoro University

Revitalisasi Kawasan Braga sudah dilakukan selama hampir 20 tahun. Namun, masyarakat belum merasa puas dengan revitalisasi yang ada, karena seolah-olah tidak di pertimbangkan dengan matang dan kurang dilibatkannya masyarakat dalam program tersebut. Masyarakat menjadi kurang aktif dalam kegiatan revitalisasi Jalan Braga. Padahal masyarakat yang merasakan dampak dari adanya revitalisasi tersebut. Penelitian ini bertujuan untuk mengetahui hubungan antara tingkat partisipasi dengan kepuasan masyarakat terhadap program revitalisasi. Metode analisis yang digunakan adalah metode analisis kuantitatif dengan teknik analisis deskriptif kuantitatif, skoring dan crosstab. Jumlah Sampel yang digunakan sebanyak 80 sampel. Hasil penelitian ditemukan bahwa tingkat partisipasi masyarakat masih tergolong rendah dengan total skor 1367. Apabila dikaitkan dengan tangga partisipasi Arnstein (1986) partisipasi masyarakat ada pada tahap â€œInformingâ€. Sedangkan kepuasan masyarakat tergolong cukup puas dengan skor1717. Berdasarkan hasil penelitian dengan analisis crosstab diketahui hasil chi square test 2(3, N = 80) = 38.285; p < 0,05 atau taraf signifikansinya 0,000 < 0,05 sehingga Ho ditolak dan H1diterima. Hal ini menyatakan ada hubungan antara partisipasi dengan kepuasan masyarakat. Sedangkan berdasarkan hasil uji kolerasi maka diketahui r(80) = 0.637; p>0.01 dan r(80) = 0.682; p>0.01 yang artinya hubungan antar variable tergolong kuat. Berdasarkan koefisien kolerasinya maka diketahui bahwa hubungan antar variabel memiliki hubungan yang positif. [Correlation between Community Participation and Community Satisfaction in Revitalization Program at Braga Street, Bandung] Braga revitalization has already been done for almost 20 years. Nevertheless, people there still feel dissatisfied because it is not carefully considered as though and lack of participation in revitalization program. Whereas, people around are those who affected by revitalization program. This research aims to learn about correlation between participation level and satisfaction level towards the program. The analysis method used in this research is quantitative analysis by quantitative descriptive, scoring, and crosstab technique. Number of samples used in this research are 80 samples. Meanwhile, the result found is that level of community participation considered in a low level with score 1367. When associated with Arnsteinâ€™s participation ladders, the level of community participation is on informing stage. Whilst, the researchâ€™s result about level of community satisfaction is considered in a quite satisfied level with score 1717. Based on the crosstab analysis, known that the result of chi-square test 2(3,N= 80)=38.285;p<0.05 or significance degree is 0.000<0.05 so Ho rejected and H1 accepted. It is stated that there is a correlation between participation and community satisfaction. While, based on correlation test, known that r(80)=0.637;p>0.01 and r(80)=0.682;p>0.01 which means the correlation considered in a strongÂ level and correlation coefficient has a positive relation.

PENGARUH PENAMBAHAN SILIKON TERHADAP SUDUT KONTAK HIDROPOBIK DAN KARAKTERISTIK ARUS BOCOR PERMUKAAN BAHAN RESIN EPOKSI Syakur, Abdul; Novia A, Ika; Sarjiya, Sarjiya; Berahim, Hamzah
TEKNIK Volume 32, Nomor 3, Tahun 2011
Publisher : Diponegoro University

Currently, polymer materials such as epoxy resin have been used as an insulator in the distribution andtransmission line. Some advantages of using this epoxy resin material having the dielectric properties are betterthan porcelain and glass insulators. On the other side, epoxy resins are also disadvantage the surface ishygroscopic. For the repair was done by adding the surface properties of silicone rubber materialThis paper describes the effect of adding silicone rubber against contact angle of hidrophobicity and surfaceleakage current characteristics of epoxy resin materials ( Di-Glycidyl Ether of Bisphenol A (DGEBA) andMethaphenilene Diamine (MPDA). The study was conducted in the laboratory using the electrode method IEC587:1984 with NH4Cl contaminants. The voltage applied to the epoxy resin sample at 3.5 kV and 50 HzfrequencyThe experimental results showed that the addition of silicon rubber in epoxy resin makes the surface materialcontact angle increases. The higher percentage of silicone rubber, the greater the contact angle and the longertime required for the occurrence of surface discharge.

PENGOMPOSAN LIMBAH TEH HITAM DENGAN PENAMBAHAN KOTORAN KAMBING PADA VARIASI YANG BERBEDA DENGAN MENGGUNAKAN STARTER EM4 (EFECTIVE MICROORGANISM-4) Syafrudin Syafrudin; Badrus Zaman
TEKNIK Volume 28, Nomor 2, Tahun 2007
Publisher : Diponegoro University

Black tea waste composting needs dryer material to absorb moisture of waste which is to be left. Dryermaterial used is goat manure. To make faster composting proccess and decrease rot smell potency which isout from heap, so used Effective Microorganism 4 (EM4). This research have direction to know characteristicof mature compost, the optimal comparison of mixing composition black tea waste and goat manure withEM4 addition, and cost needed to make compost. Variations taken are control variation (black tea waste), Avariation (black tea waste + 30 ml EM4), and B variation (black tea waste : goat manure + 30 ml EM4). Bvariations include B1 variation (1 : 1), B2 variation (3 : 2), B3 variation (7 : 6), and B4 variation (7 : 8). Theresult of this research shown most optimal composting is B3 variation with content of Organiccarbon:Nitrogen:Phospor:Kalium: C/N ratio: water content is 12,411% :1,063% :0,581 %:K 1,608%:11,68: 46,464 .

Stakeholder Management of Jakartaâ€™s Light Rail Transit Using Stakeholder Analysis Yudi, Khrisna; Rarasati, Ayomi Dita; Adiwijaya, Achmad Jaka Santos
TEKNIK Vol 38, No 2 (2017): (Desember 2017)
Publisher : Diponegoro University

Stakeholders involvement in infrastructure development c.q. Light Rail Transit (LRT) has a significant role since they affect the success of infrastructure management. This paper is primarily aimed to identify key stakeholders and responses that need to be applied to them. On the initial stage, a list of stakeholders was developed using research strategies such as case study and literature review. Sources were then chosen with certain criteria. They were assigned to score each stakeholder on the list. A stakeholder analysis was conducted to obtain a list of key stakeholders that have a significant impact on Jakartaâ€™s LRT.

PENYUSUNAN DOKUMEN POTENSI BAHAN TAMBANG DI LUAR WILAYAH SUNGAI KABUPATEN PEKALONGAN Najib, Najib
TEKNIK Volume 31, Nomor 2, Tahun 2010
Publisher : Diponegoro University

Besides in River area, Pekalongan Regency estimated has mineral potential in some areas outside of that area.Yet local government doesnâ€™t have data about the potency of that mineral. In consequence, it is needed toconducts mapping of mineral potency outside of river circumstance that the result will be used by localgovernment either guide taking policy in exploitation or regulation to that activity. This research used somesteps i.e. measurement and mapping phase, analysis and data processing (hypothetic reserve calculation andlaboratory mineral tests such as AAS, petrography and shear strength) and data compilation. The potency ofminerals and rocks is disseminated in 14 districts in Pekalongan Regency. Types of those mine materials areAndesite, Diorite, Limestone, Tras, Clay, Ochre, Gold and iron sand. Mining systems possibly conducted are PitType System, Eunuch Hill System and Cave System.

PENENTUAN BATAS WILAYAH LAUT PROVINSI JAWA TENGAH DAN JAWA BARAT MENGGUNAKAN DATUM GEODESI NASIONAL Kahar, Sutomo
TEKNIK Volume 34, Nomor 1, Tahun 2013
Publisher : Diponegoro University

According to Minister of Internal Affair regulation which is Permendagri No.1 Tahun 2006, Peta LingkunganLaut Indonesia (LLN) must be utilized to define boundaries of province sea jurisdiction. Unfortunately, PetaLingkunan Laut Indonesia still applies Indonesia Datum 1974 instead of Datum Geodesi Nasional 1995. It iscontrary with Permendagri No 76 Tahun 2012 and UU No.4 Tahun 2011 which declare the urgency of singlereference datum for Indonesia region. To fit the requirement, Peta Lingkungan Laut Indonesia must betransformed into official datum. This research applied two transformation formulae. There was LaufTransformations to accomodate 2 Dimension Transformation. Computation of transformation parameters andapplication of those parameters were tested at North Coast of Java from Kendal regency to Brebes regency. Ascalculated in MatLab software, this research concluded that Lauf transformation was good for transformingLingkungan Laut Indonesia from ID74 to DGN95.

KARAKTERISTIK AKTIVITAS PEDAGANG KAKI LIMA PADA KAWASAN KOMERSIAL DI PUSAT KOTA Studi Kasus: Simpang Lima, Semarang Widjajanti, Retno
TEKNIK Volume 30, Nomor 3, Tahun 2009
Publisher : Diponegoro University

The characteristic of street vendors in Simpang Lima should be recognized. It is connected with spatial regionâ€™sactivity so that both of the formal and informal activities can exists harmonically. The characteristics of thestreet food vendors activity are follows: the activity space (street vendorâ€™s trading location is at the mall/office/school/mosque/ in Pancasila square and they are selling in the sidewalk at the edge of the Pancasila square);their distribution pattern is agglomeration; they are more settle; their activities (type of food/beverage,accessories, clothing, grocery, cigarettes, and their facilities are tent, wagon, carpet, table/rack; the time ofstreet vendors trading is following the formal activities of the region; goals and motivations of visitorâ€™s vendorsis that most of them are visiting street vendors, and the motivational visits are to buy food/drinks and othertypes of merchandise).

PENGARUH VARIABEL OPERASI PADA PROSES MODIFIKASI PATI GARUT DENGAN METODE CROSS LINKING PENGGANTI TEPUNG TERIGU SEBAGAI BAHAN BAKU PADA INDUSTRI BAKERY Rakhmawati, Putri; Octaviani, Risa Dwi; Santosa, Herry
TEKNIK Vol 35, No 1 (2014): (July 2014)
Publisher : Diponegoro University

[Title: Operating Variables Effects on Process Modification of Arrowroot Startch by Cross Linking Method for Substituting Wheat Flour as Bakery Industry Raw Material] Arrowroot starch is local food comodity that has potential for many use.The advantage of arrowroot starch are free gluten and low glisemic index. But, arrowroot starch has disadvantage swelling power and solubility doesnâ€™t criteria. In this study, an attempt is made to change the arrowroot starch raw material for bakery industry by using cross-linking methods. The purpose of this research is to study the effect of reaction temperature, reaction time, and volume gingerol of swelling power and solubility. To achieve the goal of research through three stages: (1) The characteristic of arrowroot, (2) The phase of modified arrowroot starch with method Cross Linking is done to change the properties of arrowroot starch in accordance with the specification qualify as bakery industry raw materials, (3) Analysis phase to modified arrowroot starch products which include swelling power and solubility. To achieve swelling power and solubility for raw material bakery industry, cross linking process to Arrowroot strach better are reaction temperature at 400C, reaction time at 90 minutes and oleoresin volum at 0,3 ml.Â

Analisis Pengaturan Tinggi Fluida Pada Passive U-Tube Tank Terhadap Koefisien Damping Untuk Meminimalkan Gerak Rolling Kapal Iqbal, Muhammad; Zakki, Ahmad Fauzan; Shofly, Muhammad Fuad
TEKNIK Vol 40, No. 3 (2019): Desember 2019
Publisher : Diponegoro University

Menurunkan gerakan rolling kapal merupakan hal penting untuk meningkatkan keamanan dan kemudahan kapal dalam beroperasi. Salah satu cara meminimalisir rolling pada kapal adalah menambahkan sistem anti-rolling. Pada penelitian ini, dilakukan analisis Koefisien Damping anti-roll jenis passive tank dengan pengaturan tinggi fluida di dalam tangki jenis U â€“ Tube. Pemodelan dilakukan dengan menggunakan software berbasis CAD dan CFD kemudian dilakukan analisis perhitungan momen peredam untuk mendapatkan nilai Koefisien Damping. Hasilnya digunakan untukÂ peredam tambahan pada analisis gerakan rolling kapal. Hasil analisa menunjukkan bahwa ketinggian fluida passive tank jenis U â€“ Tube pada 3,52 m memberikan nilai Koefisien Damping terbesar dengan nilai 2.018.620 N.m/(deg/s). Model ini adalah yang terbaik ditinjau dari respon momen redaman yang dihasilkan untuk meminimalisir gerakan rolling kapal.

ZONA KERENTANAN AIRTANAH TERHADAP KONTAMINAN DENGAN METODE DRASTIC Putranto T.T, Putranto T.T; Kuswoyo, Benny
TEKNIK Volume 29, Nomor 2, Tahun 2008
Publisher : Diponegoro University

Almost all groundwater resources are vulnerable to various degrees. Vulnerability of groundwater is arelative, dimensionless property that is not directly measurable. It is assesed by using the DRASTICtechnique. The accuracy of its assessment depends, above all, on the amoun and quality of representativeand reliable data available. The required data is often not available and thus scale of mapping os oftenlimited to broad scale catchment maps. The DRASTIC vulnerability mapping technique can generally bereferred to as a composite description of all the major geologic and hydrogeologic factors that affect andcontrol groundwater movement, into, through and out of an area. DRASTIC is an acronym for the mostimportant mappable features within the hydrogeologic setting which control groundwater pollution.These features are: D (Depth to watertable), R (Net) Recharge, A (Aquifer media), S (Soil media), T(Topograhy/slope), I (Impact of vadoze zone) and C (hydraulic Conductivity of aquifer).

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