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Jurnal Gradasi Teknik Sipil
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2598-9758 - ISSN (Online) 2598-8581
Published by Politeknik Negeri Banjarmasin Homepage  [3 journals]
  • Perencanaan Struktur Atas Jembatan Komposit Sungai Nipah Desa Darul Aman
           Kecamatan Rupat

    • Authors: Indriyani Puluhulawa, Nur Aspaliza, Armada Armada
      Pages: 1 - 9
      Abstract: The  Darul Aman Village Bridge was originally a wooden bridge connecting community settlements with harbor and plantation areas. Yhe current condition of the bridge is not worth crossing because the wooden structure on the bridge has severe weathering, so it is very risky if forced to pass through the vehicle continuously and will cause further damage.for this purpose a nwe bridge is planned using a composite structure between steel girder and concrete slab. This plan refers to SNI T-02-2005 for loading bridge and SNI T-03-2005 fot steel structure planning. The planned plan includes bridge slab, girders, diaphragms and bridge elastomeric placement.             From the result of the planning, the steel girder profile is using WF 800.300.14.26 , with a gap between 1,125 m. The steel angles profile diaphragm 70.70.7 mm using with a gap 4 m diaphragm, the elastomeric placement diameter is 175.175.12 mm
      PubDate: 2018-12-26
      DOI: 10.31961/gradasi.v2i2.588
      Issue No: Vol. 2, No. 2 (2018)
       
  • Perencanaan Jembatan Rangka Baja Pelengkung Sungai Liong

    • Authors: Febry Suhendra, Faisal Ananda, Alamsyah Alamsyah
      Pages: 10 - 21
      Abstract: Bengkalis government do project to build Liong river bridge with construction type is concrete arch bridge. But at relatively new service time, there was a big deflection in one  of bridge segments. In this research will be design the bridge with steel arch bridge type.             Bridge design using RSNI T-02-2005 about bridge load standard. For steel frame design refers to RSNI T-03-2005, and concrete structure design refers to RSNI T-12-2004. In piles calculation, using the Schmertmann method.             The results of top structure design is top chord using WF.305.305.22.35, bottom chord WF. 305.305.39.63, diagonal chord WF.305.305.22.35, vertical hanger WF 203.203.10.17, wind bracing WF.203.203.8.12, truss bracing WF.203.203.8.12, girder using WF.400.200.8.13, cross girder WF.500.200.10.16, and the main girder using WF.500.200.10.16 profile. The results of bottom structure design is abutment width of 9,3 m and abutment length of 11 m.  Using concrete piles with diameter of 50 cm, length 20 m and 28 point of stake. The largest deflection of bridge is 118,72 mm. This deflection is still safe because the value smaller than tolerance deflection L/240, which is 458,33 mm. The most compatible construction method for liong II river bridge is temporary coloumn method.
      PubDate: 2018-12-26
      DOI: 10.31961/gradasi.v2i2.594
      Issue No: Vol. 2, No. 2 (2018)
       
  • Pengaruh Agregat Setempat Terhadap Nilai Indeks dan Biaya Pada Analisa
           Satuan Pekerjaan Beton f’c 20 MPa

    • Authors: Muhammad Humaidi, Khairil Yanuar, Aunur Rafik
      Pages: 22 - 29
      Abstract: Penggunaan material setempat yaitu agregat kasar dan agregat halus dalam pembuatan beton memiliki beberapa keuntungan yaitu mudahnya mendapatkan material, harga yang lebih murah dan biaya distribusi yang murah. Biaya distribusi dipengaruhi oleh jarak dan seberapa besar energi yang dipakai. Material setempat bisa dianggap sebagai green material karena proses distribusinya yang tidak banyak memerlukan energi. Kontraktor dalam menyusun biaya konstruksi (building cost) selain memperhatikan harga satuan juga harus memperhatikan indeks yang sesuai apabila menggunakan material setempat. Hal ini dilakukan agar biaya konstruksi yang ditawarkan kompetitif dan tetap memberikan keuntungan (profit) yang wajar. Untuk mendapatkan indeks material setempat untuk beton perlu dilakukan concrete mix design, yaitu dengan melakukan pemeriksaan laboratorium untuk agregat kasar dan agregat halus serta melakukan perencangan proporsi campuran beton berdasarkan  SNI 03-2834-2000 Tata Cara Pembuatan Rencana Campuran Beton Normal. Proporsi campuran beton yang didapat merupakan indeks campuran dalam satu meter kubik beton. Indeks yang didapat dengan menggunakan material setempat kemudian dibandingkan dengan indeks yang terdapat pada SNI SNI 7394:2008. Hal ini dilakukan karena besaran indeks akan mempengaruhi biaya satuan pekerjaan beton. Proporsi yang didapat kemudian dibuat dalam bentuk benda uji untuk dilakukan uji tekan beton. Uji tekan beton digunakan untuk mengetahui apakah proporsi tersebut sudah memenuhi kuat tekan yang disyaratkan. Biaya satuan pekerjaan beton didapat dengan mengalikan harga satuan material pembuat beton dengan indeks materialnya. Dari hasil penelitian didapatkan bahwa indeks semen dan agregat kasar dari  hasil concrete mix design denga material lokal leboh besar 57 kg dan 60 kg, sedangkan indeks agregat halus dan air lebih kecil 4 kg dan 30 liter dibandingkan indeks pada SNI SNI 7394:2008. Biaya yang diperlukan untuk membuat 1 m3 beton dengan agregat lokal sebesar Rp978.094,80 lebih besar dari menggunakan indeks SNI sebesar Rp. 877.918,40 atau dengan selisih 11,4%.
      PubDate: 2018-12-26
      DOI: 10.31961/gradasi.v2i2.604
      Issue No: Vol. 2, No. 2 (2018)
       
  • Analisis Karakteristik dan Penanganan Kebutuhan Ruang Parkir Sepeda Motor
           Di Kampus Uniska MAB Banjarmasin

    • Authors: Muhammad Gunawan Perdana, Hari Nukta Ramadani
      Pages: 30 - 35
      Abstract:  Universitas Islam Kalimantan (Uniska) Muhammad Arsyad Al Banjari Banjarmasin is one of the oldest private universities in Kalimantan. Uniska has nine faculties and two graduate programs. The increased of students number is 3.11% per each year. With this increased, will automatically increase the need for motorcycle parking in the campus Uniska Banjarmasin, so it takes adequate motorcycle parking space. This condition raises the need to identify the characteristics and handling of motorcycle parking space requirements. The survey method used is the survey technique of parking of the cordon, while the method of data analysis using Hobbs formula 1995 and the formula approach Z by Pignataro 1973. Parking planning refers to the guidelines of the Directorate General of Land Transportation 1996. The need for motorcycle parking space according to the approach of Z formula of 1276 SRP with the assumption of parking duration of 350 minutes and the rate of change of parking is 2 times a day, thus exceeding the static capacity of only 940 SRP. With the data of the growth of the number of students per year, the description of the need for motorcycle parking space for the next 5 years is 1487 SRP. The conclution is the actual parking area unable to fullfill the existing parking space requirements. An alternative solution to this problem solving is through improved management of existing parking area arrangements and the addition of new parking spaces
      PubDate: 2018-12-26
      DOI: 10.31961/gradasi.v2i2.592
      Issue No: Vol. 2, No. 2 (2018)
       
  • Pengaruh Supeltas Terhadap Tingkat Pelayanan Simpang Jalan Trans
           Kalimantan-Komplek Griya Permata

    • Authors: Riska Hawinuti
      Pages: 36 - 44
      Abstract: The appearanced of the peoples called “Supeltas" (Sukarelawan Pengatur lalulintas=Traffic Regulatory Volunteers) occurs along with the increasing number of queue vehicles that will turn towards the road. Supeltas itself is persons (not official from the government) who manage traffic flow expecting voluntari giffts from people passing through the road. Often, these activities broke the road rules and exacerbate existing congestion. The purpose of this study was to compare the performance of unsignalizes intersections between the existing and non-existent of "Supeltas" it self.             The requirement data needed are the primary data in the form of geometric data, traffic conditions, traffic and environmental conditions data, and secondary data in the form of population and location map. Traffic data collection is done using manual calculation for 2 periods on Tuesday, Wednesday and Thursday at 06.30-08.00 in the morning, noon 12.00-14.00 and afternoon at 16.30-18.30 WITA for each condition of rush hours. The calculation refers to MKJI 1997.             The calculation results obtained by the degree of saturation (DS) without the "Supeltas" amounting to 1,816 and with the provision "Supeltas" of 1,525, this DS value exceeds the IHMC ( Indonesian Highway Manual Capacity) previsions 0,75. It can be concluded that the existence of "Supeltas" made a positive impact to reduce the number of DS where it decreased 16.02%.
      PubDate: 2018-12-26
      DOI: 10.31961/gradasi.v2i2.606
      Issue No: Vol. 2, No. 2 (2018)
       
  • Perancangan Lapis Pondasi Agregat Tanpa Penutup Aspal Pada Gradasi Batas
           Tengah Dengan Menggunakan Clay Stone

    • Authors: Ahmad Norhadi, H. Muhammad Fauzi, Akhmad Marzuki, Zuraida Zuraida
      Pages: 45 - 54
      Abstract: “Lapis Pondasi Agregat tanpa penutup aspal” is a strong layer structure because it receives a direct load of vehicles above the surface. In general, the making of access roads for mining sites does not use pavement with asphalt. One of the materials for mining pavement generally uses the mine's surface excavation using a clay stone as an addition to a mixture or filler for the aggregate layer structure. Clay stone is a sedimentary rock that is strong if it is in the soil and will become soft when submerged in water. “Lapis Pondasi Agregat tanpa penutup aspal” is dominated by fine particles which is a maximum diameter of 19 mm making it difficult to adjust the gradation composition. So to get the ideal gradation of “Lapis Pondasi Agregat tanpa penutup aspal” composition, it is necessary to do Research on “Lapis Pondasi Agregat tanpa penutup aspal” on Middle Border Gradations Using Clay Stone". The purpose of this study was to determine the value of the mixture composition between clay stone and broken stone, the value of PI content (plastic index) and CBR value “Lapis Pondasi Agregat tanpa penutup aspal” must meet the requirements of material properties in accordance with the General Revised 3rd Edition of Bina Marga specifications, the gradation consists of material passed the filter ¾, maximum liquid limit value of 35%, minimum plasticity index value of 4% and maximum 15 %, clumps of clay and fragile granules of at least 0% and a maximum of 5%, coarse aggregate abrasion is a maximum of 40% and has a minimum CBR (California Bearing Ratio) value of 60%. From the results of this study, it can be seen the mixture composition between clay stone and stone, PI value (plastic index) and CBR value from the gradation of the middle boundary of the “Lapis Pondasi Agregat tanpa penutup aspal”. The composition of the mixture of clay stone and aggregate rock broke on the middle boundary gradation, ie 1-2% broken stone by 20%, 1-1 broken stone by 33%, stone ash by 35%, and clay stone by 12%. Based on the results of the examination of the liquid limit and plastic limit, the Plastic Index (PI) value of the clay stone was 35.696% and for the combination of the mixture of broken stone with an additional 12% clay stone was 13.941%. Based on the results of laboratory density and CBR examinations, it was found that the design CBR value of broken stone aggregate was 73%, the clay stone was 1,150% and for the combination of clay stone and aggregate rock was broken by 64%.
      PubDate: 2018-12-26
      DOI: 10.31961/gradasi.v2i2.609
      Issue No: Vol. 2, No. 2 (2018)
       
 
 
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