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Prokons: Jurnal Teknik Sipil
Published by Politeknik Negeri Malang
ISSN : 19781784     EISSN : 27148815     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Materials Science & Nanotechnology
Jurnal Teknik Sipil (PROKONS), Terbit dua kali dalam setahun. PROKONS menerbitkan artikel penelitian yaitu penelitian asli teoretis dan eksperimental yang mengeksplorasi atau mengeksploitasi ide-ide dan teknik baru di empat bidang utama: teknik struktural, geomekanik, manajemen proyek konstruksi dan teknik transportasi. Tujuan jurnal ini adalah untuk memajukan ilmu pengetahuan yang berkaitan dengan teknik sipil dan berfokus pada bangunan, infrastruktur, sistem jembatan serta pemasangannya atau konstruksi.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 202 Documents
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PERENCANAAN JEMBATAN RANGKA BAJA BENTANG 50 METER Risky Amaliya Putri, Sudarmanto, Yunaefi
Prokons: Jurnal Teknik Sipil Vol. 9 No. 2 August 2015
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v9i2.96

Abstract

To facilitate the flow of transport from one region to the other region dan increase sectors of the economy the need for bridges as a means of connecting. Steel bridge is the one arranged from steel beam joined with gusset plate, binder keeling nails, bolts or welding. The purpose of the study is to design a 50 m-spam steel truss bridge of 10,4 m width. The design was based on Highway Bridge Loading Design, ASD and PPBBI 1984. The concrete strength is of  (fc ') 30 MPa and the steel strength of BJ 44. Designed manually with no pillar, the bottom only consists of abutment and foundation. The main framework was designed by employing equilibrium of gusset point dan reitter method was employed to found out the beam force and influential linesof the framework. The soil survey data were obtained throught Begemann Friction Cone (Bikonus) or Dutch Cone Mechanical type test. The soil is melatirely similar type of sandy clay mix and hard soil in the depth of 5 meters. The design result in the main framework using profile WF 400 x 400 x 20 x 35, longitudinal girder of WF 350 x 350 x 13 x 13 dan crossed girder of WF 800 x 300 x 16 x 30 The foundation  is of  pile foundation at IDR 5.543.070.300,00,- within 172 work days.Keywords: steel, truss, bridge
KAJIAN AUDIT KESELAMATAN JALAN PADA SEBELAS RUAS JALAN UTAMA DI WILAYAH KABUPATEN MALANG Annur Ma’ruf, Harnen Sulistio, M. Ruslin Anwar
Prokons: Jurnal Teknik Sipil Vol. 10 No. 2 August 2016
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v10i2.112

Abstract

Kabupaten Malang merupakan wilayah penghubung antar kota/kabupaten yaitu antara Kota Malang dan Kota Batu, Kota Malang dengan Kota Blitar, Kota Malang dengan Kediri, Kota Batu dengan Kediri, Kota Malang dengan Kota Lumajang dan Kota Malang dengan Kota Surabaya. Dengan posisi Kabupaten Malang yang berada di antara beberapa kota strategis di Jawa Timur dapat dipastikan pergerakan lalu lintas kendaraan bermotor dan kendaraan tak bermotor sangat tinggi yang timbulnya permasalahan lalu lintas seperti kemacetan dan kecelakaan lalu lintas. Berdasarkan data angka kecelakaan di Wilayah Kabupaten Malang dalam kurun waktu 5 tahun terakhir tercatat 764 kasus kecelakaan lalu lintas. Kajian audit keselamatan jalan dilakukan sebagai upaya untuk mencegah kejadian kecelakaan dan peningkatan angka keselamatan di jalan raya. Kajian audit keselamatan jalan pada sebelas ruas jalan utama di wilayah Kabupaten Malang dengan fokus kajian meliputi analisa karateristik kecelakaan, analisa faktor penyebab kecelakaan, analisa angka kecelakaan berdasarkan nilai EAN, analisa black site dan black spot serta penentuan solusi. Hasil akhir dari kajian audit keselamatan jalan ini ditemukan 5 ruas jalan utama sebagai daerah rawan kecelakaan (black site) dengan 20 titik rawan kecelakaan (black spot). Selanjutnya penentuan usulan solusi perbaikan pada daerah black site dan black spot berdasarkan permasalahan pada geometrik jalan yang dianalisa dengan metode checklist menggunakan formulir AKJ standar PU. Dari semua permasalahan yang ditemukan dalam kajian dijadikan acuan untuk rekomendasi dan usulan perbaikan dengan program aksi keselamatan dengan fokus program utama yaitu: mewujudkanjalan berkeselamatan (safer roads), mewujudkan pengendara berkeselamatan (saferdrivers), mewujudkan kendaraan yang berkeselamatan (safer vehicles), meningkatkan kesadaran masyarakat dalam berlalu lintas (public traffic education), dan penanganan terhadap korban kecelakaan (post accident care).Kata kunci: audit, keselamatan jalan, daerah rawan kecelakaan
PENENTUAN KOMPOSISI OPTIMUM BETON MARINE BERBASIS KONSEP REABILITAS Armin Naibaho
Prokons: Jurnal Teknik Sipil Vol. 11 No. 1 February 2017
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v11i1.129

Abstract

The terminology ’marine concrete’ resrved for concrete material to structures in the marine area extreme condition. Many civil engineering building in the suburban sea area, for example dock and retaining scouring waves wall. Be expected of this fly ash utilization of waste can answer market (construction world) request to readymix concrete request with price which more economial but with quality which stay awake. This observation purpose to: (1) determining the optimum composition to concrete in the moring area (with extreme condition) with involves these aspecks as “high performance concrete “ that is : high strength, high fracture resistance, low permeability, shrinkage controlled creep,(2). Study of interface zone condition with involves aspects of cohesion to determine Mode I Fracture Resistance.Based on the results of analysis and discussion, so we have: (1). Show that the used of the number fly ash 10% will produce the greatest compressive strength-caracteristik  =  58,56 MPa, whereas without the used of fly ash ( 0 %) obtained  =  56,44 MPa, (2). Calculation of probability and reability obtained values: to tested specimen which do not use fly ash (0%; Reliability is ↔ R = 1 – P  = 1 – 0,72 = 0,28 and the addition of 10% fly ash, obtained Reliability is ↔ R = 1 – P  = 1 – 0,70 = 0,30.Suggested the need for the selection of quality materials, procedures In the implemention and maintenance of  the test specimen after casted suggested thats need tight control to produce compressive strength field in maximum.  Keywords : marine concrete, fly ash, compressive strength, mixture variatio, probability and reability.
Pengaruh Penambahan Kapur dengan Bubuk Bata Merah terhadap Nilai Indeks Plastisitas Tanah Lempung Supiyono, Mohamad Zenurianto
Prokons: Jurnal Teknik Sipil Vol. 6 No. 2 August 2012
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v6i2.21

Abstract

ANALISIS KINERJA BETON NORMAL DAN BETON DENGAN SEMEN SUBSTITUSI BLAST FURNACE SLAG Tri Septa A.D., Qomariah, Akhmad Suryadi
Prokons: Jurnal Teknik Sipil Vol. 12 No. 2 August 2018
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v12i2.161

Abstract

The use of steel smelting waste industry is used to reduce the waste overflow at the site. The waste steel smelting industry called blast furnace slag (BFS) used as a substitution for cement in a concrete mixture in a Laboratory Material Test, Civil Engineering State Polytechnic of Malang. The purpose of this analysis is to: 1) Test the workability of normal concrete and concrete with BFS; 2) Find out compressive strength of each concrete; 3) Compare the price to both concrete in the construction of building.The required data were of gradation of aggregate, water content of aggregate, density of aggregate, absorption of aggregate, bulk density of aggregate, fineness of cement, normal consistency of cement, cement setting time, compressive strength of mortar cement, and the price of building materials Surabaya 2016. SNI 03-2834-2000 method was applied with variations BFS substitute of cement are 0%, 10%, 15%, 20%, and 30% BFS and the planned compressive strength obtained at 28 days of 300 kg/cm2.The analyses result in 1) The workability of each concrete: 5.75cm of normal concrete (0%), 3.45cm, 3.15cm, 3.1cm, and 3.05cm respectively with BFS concrete; 2) The compressive strength of each concrete at 28 days: 235.56kg/cm2 of normal concrete, 105.33kg/cm2, 138.96kg/cm2, 127.26kg/cm2, and 94.52kg/cm2respectively with BFS concrete; The use of BFS cannot be applied to the concrete mixture, because of low compressive strength; 3) For the price of concrete materials per m3 are IDR 999.472,05 of normal concrete, IDR 996.926,78 for 10% with BFS, IDR 995.654,93 for 15% with BFS, IDR 994.381,50 for 20% with BFS, and IDR 991.837,80 for 30% with BFS. Keywords: BFS, workability, compressive strength
Sebuah Solusi Material Baru Di Bidang Jembatan, FRP Taufiq-Girder: Konsep Dan Perilaku Taufiq Rochman, Agoes Soehardjono, Achfas Zacoeb
Prokons: Jurnal Teknik Sipil Vol. 7 No. 1 February 2013
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v7i1.38

Abstract

Gelagar T beton bertulang konvensional sudah sangat lazim digunakan terutama pada struktur jembatan dengan bentang 5m – 25m. Akan tetapi sebenarnya, berat sendiri jembatan murni beton bertulang sangatlah berat. Pelaksanaan jembatan balok T ini juga sering mengalami kendala di lapangan pada banyaknya perancah serta schaffolding yang digunakan khususnya bila dasar sungai sangat curam. Seandainya pun dapat dilaksanakan, resiko bahaya banjir serta stabilitas tanah dan jembatan selama proses pelaksanaan sangat rentan untuk terganggu, akibatnya lendutan awalpun menjadi sangat besar. Bahan FRP dapat menjadi alternatif yang baik karena rasio kekuatan terhadap beratnya sangat tinggi.Penggunaan FRP dalam teknik sipil telah dipelajari dan didiskusikan dalam berbagai karya ilmiah oleh para peneliti asing yang rata-rata menyoroti aplikasi dari FRP sebagai bahan perbaikan dari struktur yang telah ada (retrofit) dan mereka mengatakan FRP berpotensi menjadi bahan bangunan dan sistem struktur yang pintar (smart/intelligent). Akan tetapi jarang sekali yang meneliti struktur yang baru dengan menggunakan FRP sebagai bagian dari struktur primer. Dan kalaupun ada, beberapa dari penelitian itu menggunakan FRP sebagai pelat lantai. Adapun gelagar FRP masih merupakan suatu teka-teki penelitian yang amat menarik. Penulis mengusulkan sebuah gelagar baru yang diberi nama TAUFIQ (Totally Audacity U-Fibered Intelligent Quality)-girder. Dalam tulisan ini akan dikupas perkembangan, konsep dan perilaku umum gelagar TAUFIQ. Kata-kata kunci:  serat berlapis, gelagar TAUFIQ, lamina.
STABILISASI TANAH LEMPUNG PADALARANG MENGGUNAKAN VERMIKULIT DAN SEMEN UNTUK MENINGKATKAN DAYA DUKUNG (UCS) Hendry, Dewi Amalia
Prokons: Jurnal Teknik Sipil Vol. 8 No. 1 February 2014
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v8i1.55

Abstract

Stabilisasi merupakan salah satu metode perbaikan tanah yang sering digunakan untuk meningkatkan kualitas suatu tanah baik dari segi peningkatan daya dukung, peningkatan stabilitas, maupun dari segi pengurangan penurunan. Banyak sekali penelitian telah dilakukan untuk mendapatkan kadar campuran yang pas digunakan untuk stabilisasi baik dengan menggunakan semen, kapur, flyash, maupun bahan stabilizer lainnya, tetapi untuk bahan stabizer vermikulit belum/sangat sedikit dilakukan.Vermikulit merupakan bahan yang steril porositas tinggi yang mampu menyerap air dalam jumlah banyak dengan cepat dan mudah juga dikeringkan secara cepat. Mineral tersebut selanjutnya dijadikan bahan pengisi (filler) untuk timbunan tanah yang kemudian dikombinasikan dengan semen. Hal ini karena semen dapat mengeras jika bereaksi dengan air atau berfungsi sebagai perekat hidrolis.Penelitian dilakukan pada tanah daerah Padalarang yang memiliki kurang stabil karena memiliki kadar air yang cukup tinggi. Tahapan pertama yang dilakukan adalah pengambilan sampel tanah, dilanjutkan dengan pengujian awal untuk mendapatkan parameter tanah asli, kemudian proses pencampuran material tanah dengan semen dan vermikulit, dan terakhir pengujian kuat tekan dengan menggunakan UCS. Dari penelitian didapatkan campuran bahan stabisisasi, vermikulit dan semen, dapat meningkatkan daya dukung tanah.Kata-kata kunci:  stabilisasi, vermikulit, UCS. 
ANALISA FINANSIAL PROYEK BANGUNAN GEDUNG (STUDI KASUS: PROYEK GEDUNG INTENSIF RSSA MALANG) Firda Eka Damayanti, Fauziah S.C.S. Maisarah, Suselo Utoyo
Prokons: Jurnal Teknik Sipil Vol. 8 No. 2 August 2014
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v8i2.72

Abstract

The 4,333 m2-four-floored Intensive Building development project was carried out to accommodate additional facility to the hospital due to the increasing number of patients. Financial analysis is necessary to find out the project cost and to see the operational cost sufficient to meet the building management for 20 years life span according to the building standard. The aims of this analysis are to find out the project cash flow during the life span, financial report, feasibility analysis, and sensitivity analysis. Some data of budgeting, technical drawings, medical equipment procurement cost, hospitalization and out-patient rates were needed. All of them were obtained from interviews and calculations. While Net Present Value (NPV), Internal Rate of Return (IRR), Benefit Cash Ratio (BCR), Pay Back Period (PP), and sensitivity analysis were employed to determine the financial feasibility. The calculations result in financial analysis of NPV = 32,989,940,121 > 0; BCR = 1.34 > 1; IRR = 18.83% > Minimum Attractive Rate of Return (MARR) = 10%; and PP = 7.2 years. The results of the sensitivity analysis show that the most influential factor is occupancy rate, but the project is feasible.Keywords: feasibility, financial analysis, intensive building. 
OPTIMALISASI BIAYA DAN WAKTU PELAKSANAAN PEKERJAAN PERANCAH MENGGUNAKAN SCAFFOLDING PADA BANGUNAN BERTINGKAT DENGAN SISTEM ZONING Santoso, Suselo Utoyo, Armin Naibaho, Edy
Prokons: Jurnal Teknik Sipil Vol. 9 No. 2 Agustus 2015
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

On the implementation of the scaffolding work in a large and typical structures, the work area usually is distributed into several areas or work zones due to the limited area for mobilization of material and equipment, work schedule, structure form, limited resources and so on. The distribution of the different areas or zones in the typical structure will affect the circulation of the equipment removal of the scaffolding .The review was carried out by simulating the time various working methods using zones in 1 floor and 8 different floors. The zoning was of 6 zones, 3 zones, and 1 zones for one floor with various completion of 10 work days, 7 work days, and 5 work days. Work schedule was made based on each model. With reference to the work schedule, calculations, cost and time maximization of scaffolding was carried out. Data analysis process?s were (1) material and tool analysis, (2) job cost analysis, and (3) unit price analysis. The calculations result in an effective and efficient method is by employing 3 zones withim 7 work days for each floor. So it is for the entire 8 floor. With the implementation cost as many as IDR 42,203,210 for 1 floor and IDR 327,113,217 for 8 floors.Keywords: maximization, scaffolding, zone
PERENCANAAN ULANG BANGUNAN PENGAMBILAN BERTIPE MORNING GLORY MENGGUNAKAN PONDASI BORED PILE PADA BENDUNGAN LOGUNG Moch. Suaib Reiza; Agus Suhardono; Musa Pranadesta Manzra Surati
Prokons: Jurnal Teknik Sipil Vol. 13 No. 1 February 2019
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v13i1.183

Abstract

 The existing square tower of intake has 1,397.57m3 volume and using shallow foundation Logung Dam with its weight stability will cause inefficient structures and potential to earthquake force effect. It is necessary to have an alternative planning of the intake tower. The authors intends to redesign the intake with morning glory type and used bored pile; to find out the position of intake tower, dimension, reinforcement, duration, cost estimate, and to compare the redesign.The required data were of topographic map, irrigation, and raw water discharge, bearing capacity, and work unit price analysis of project 2016. Manning Method was applied to find out the dimension; Shell Slab Method with Column Approach to calculate the structure of the intake tower, and Skempton Method to calculate bearing capacity. The redesign results in the position of ∅ 1.75-m intake tower on conduit channel with 728,08 m3 volume; the dominant load of  operational-earthquake combination with different values; D22-200 steel bar for y-direction, D19-150 for x-direction on conduit channel, D19-150 for x,y-direction on intake tower segment 1, D16-150 for x,y-direction on intake tower segment 2, and D13-150 for x,y-direction on intake tower segment 3; on 105 workdays; at  a total cost of IDR 2,327,806,700 with 40.64 % efficiency cost. 

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