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Publisher: Universitas Gadjah Mada   (Total: 39 journals)   [Sort by number of followers]

Showing 1 - 39 of 39 Journals sorted alphabetically
Agritech     Open Access   (Followers: 1)
Berkala Ilmu Perpustakaan dan Informasi     Open Access   (Followers: 1)
Buletin Peternakan : Bulletin of Animal Science     Open Access   (Followers: 1)
Buletin Psikologi     Open Access  
Gadjah Mada Intl. J. of Business     Open Access   (SJR: 0.127, CiteScore: 0)
IJEIS (Indonesian J. of Electronics and Instrumentation Systems)     Open Access   (Followers: 3)
Indonesian J. of Biotechnology     Open Access   (Followers: 1)
Indonesian J. of Chemistry     Open Access   (Followers: 1, SJR: 0.209, CiteScore: 1)
Indonesian J. of Community Engagement     Open Access  
Indonesian J. of Computing and Cybernetics Systems     Open Access   (Followers: 1)
Indonesian J. of Geography     Open Access   (Followers: 2, SJR: 0.217, CiteScore: 1)
Indonesian J. of Pharmacy     Open Access  
J. of Applied Geology     Open Access   (Followers: 1)
J. of Fisheries Sciences     Open Access   (Followers: 1)
J. of Food and Pharmaceutical Sciences     Open Access   (Followers: 1)
J. of Indonesian Economy and Business     Open Access   (Followers: 2)
J. of the Civil Engineering Forum     Open Access  
J. of the Medical Sciences (Berkala ilmu Kedokteran)     Open Access   (Followers: 1)
JKAP (Jurnal Kebijakan dan Administrasi Publik)     Open Access  
Jurnal Filsafat     Open Access  
Jurnal Gizi Klinik Indonesia     Open Access  
Jurnal Humaniora     Open Access   (Followers: 1)
Jurnal Ilmu Kehutanan     Open Access   (Followers: 1)
Jurnal Kajian Seni     Open Access  
Jurnal Kawistara     Open Access  
Jurnal Ketahanan Nasional     Open Access  
Jurnal Manusia dan Lingkungan     Open Access   (Followers: 1)
Jurnal Mimbar Hukum Fakultas Hukum Universitas Gadjah Mada     Open Access  
Jurnal Nasional Teknik Elektro dan Teknologi Informasi     Open Access  
Jurnal Pariwisata Terapan     Open Access  
Jurnal Pengabdian Kepada Masyarakat (Indonesian J. of Community Engagement)     Open Access  
Jurnal Psikologi     Open Access  
Jurnal Sain Veteriner     Open Access  
Jurnal Teknosains     Open Access  
Majalah Geografi Indonesia     Open Access  
Majalah Kedokteran Gigi Indonesia     Open Access  
Poetika : Jurnal Ilmu Sastra     Open Access  
Populasi     Open Access  
Traditional Medicine J.     Open Access   (Followers: 1)
Journal Cover
Journal of the Civil Engineering Forum
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2089-5631 - ISSN (Online) 2549-5925
Published by Universitas Gadjah Mada Homepage  [39 journals]
  • Reinforced Concrete Corbel’s Behavior using Strut and Tie Model

    • Authors: Mutmainnah Rahman Putri
      Pages: 97 - 108
      Abstract: Reinforced concrete (RC) corbel is one of a disturbed region of elements of the structure. SNI 2847: 2013 as a guideline from Ministry of Public Works provides the design of RC corbels by the conventional method and with Strut and Tie Model (STM). The aim of this study is to determine and compare the behaviors of corbels experimentally that designed with both methods. The testing was conducted on two series of specimens and each series consisted of two specimens. Group 1 was designed using conventional method while group 2 designed using Strut and Tie Model. The axial column was tested under 50 kN fixed axial loads and corbels was tested under monotonic loads gradually increased up to failure. The results showed that with the provided steel and compressive strength of concrete, the shear capacity using the conventional method by analysis and experimental respectively were 363.164 kN and 345.7 kN, while the shear capacity using Strut and Tie Model by analysis and experimental respectively were 306.953 kN and 299.35 kN. The shear capacity of specimens using conventional method was 13.40 % greater than by using Strut and Tie Model and the shear capacity for each conventional and STM method were 1.9232 and 1.6653 greater than designated load.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.28221
      Issue No: Vol. 4, No. 2 (2018)
  • Performance of Retarding Basin in Flood Disaster Risk Mitigation in Welang
           River, East Java Province, Indonesia

    • Authors: Prorida Sari
      Pages: 109 - 120
      Abstract: Flood phenomenon caused by high rainfall and sea tides on a watershed seat the tidal area, including the Welang River, commonly occur and the number of events is increasing. Construction of retarding basin is one of flood risk mitigation efforts by reducing the flood peak discharge. Assessment of flood management in Welang River was conducted with hydrology and hydraulic approaches, by using the Hydrologic Engineering Centre-Hydrologic Modelling System (HEC-HMS) 4.0 and Hydrologic Engineering Center–River Analysis System (HEC-RAS) 5.0.3 software. The hydraulic simulation consists of 4 scenarios. Scenario 1 was the current condition, while scenario 2, 3, and 4 were the retarding basin construction with one side spillway, one on the upstream (River Station (RS) 7400), on the middle (RS 6970), and on the downstream (RS 6590), respectively. The height variation of side spillways are 3 m and 4 m. Flood routing simulation result showed that the existing river channel condition could not accommodate of 2-year flood and 10-year flood, which caused peak discharge of 497.7 m3/s and 794.9 m3/s. At the RS 6590, the maximum runoff height of 2-year and 10-year flood were 0.66 and 1.02 m, respectively. Under the 2-year return period of flood, the discharge reduction caused by the retarding basin at control point RS 5341.4 (Karangketug Village), were 39.63 m3/s, 31.83 m3/s, and 41.93 m3/s, respectively for scenario 2, 3 and 4 with the 3 m side spillway height and 14.71 m3/s, 16.76 m3/s, and 13.74 m3/s, respectively for scenario 2, 3 and 4 with the 4 m side spillway height.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.31938
      Issue No: Vol. 4, No. 2 (2018)
  • Shear Strength of Tack Coat on Flexible Pavement and Composite Pavement

    • Authors: Tampanatu P. F. Sompie, Syanne Pangemanan
      Pages: 121 - 126
      Abstract: Tack coat is a thin layer that spread on the surface of existing pavement or concrete pavement. The function of this layer is as an adhesive layer needed to give adhesive power between the existing pavement course and new pavement course or with the concrete pavement, therefore created one strong unity and would bond both, in order to withstand the sheer strength caused by the vehicle load on top of it. Strong adhesiveness of the tack coat course will add sheer strength between the interfaces of the pavement courses. Strong adhesiveness is gained from the asphalt mixed with solvent, therefore created the right viscosity level of the tack coat solution. This research was aimed to measure the sheer strength of tack coat by using modified direct shear asphalt samples. The research method used was by using gauge to measure the sheer strength of tack coat on asphalt sample which was the modified direct shear. While the samples were consisted of 2 types, the asphalt solvent sample as a model of flexible pavement course of AC-WC pavement type with optimum asphalt content of 6.1%, and concrete solvent sample as a model of rigid pavement. These samples were made in briquette form, made with Marshall Mould with 4 inches diameter. The tack coat solvent was made in three solvent variations, which was referring to the standard of the Directorate General of Highways. From this research, it could be concluded that the highest shear strength for flexible pavement was reached on the tack coal solvent mix composition of 30 pph and composite pavement of 15 pph. Tack coat spread rate of 0.25 l/m2 gave highest shear strength on flexible pavement and composition pavement of 0.35 l/m2. Balance was reached on flexible pavement on tack coat variation of 30 pph and 50 pph; while on composite pavement, balance was reached on tack coat solvent variation of 15 pph and 30 pph. This modified direct shear sample could be a method to measure shear strength of tack coat on flexible pavement and composite pavement.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.31945
      Issue No: Vol. 4, No. 2 (2018)
  • Integrated Simulation of Spillway and Diversion Structure in Flood Risk
           Assessment of Upper Solo River

    • Authors: Saraswati Renaningsih
      Pages: 127 - 138
      Abstract: Wonogiri Reservoir is a multi-purpose hydraulic structure that is used for water supply service and flood control in the watershed area of Upper Solo River. Inflow of the Wonogiri Reservoir comes from 10 rivers in the watershed’s catchment area. As for the purpose of reservoir’s sediment controller, a new spillway is constructed; and also closure dike is being built, which influenced the change on reservoir storage characteristic, and then means that a new reservoir operation guideline is necessary. Therefore, study on flood routing on the watershed of Upper Solo River at the new condition of the reservoir operation is needed. The analysis was conducted to acquire detailed information on flood characteristics of Wonogiri Reservoir and Upper Solo River started from the downstream of the reservoir until the downstream control point in the Jurug Water Level Recorder including the flood discharge and the maximum water level. The analysis procedure was performed by four components, which are flood forecasting, reservoir flood routing, rainfall-runoff lateral inflow, and hydraulic channel routing. The analysis result was integrated into a software package which was arranged by using the Microsoft Visual Studio Express 2012, Microsoft Access, and HEC-RAS. With the support of the software, it was expected that the decision making in the spillway operational is more quickly and more accurate (rapid assessment) in order to improve the flood control performance in the area of Upper Solo River.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.34166
      Issue No: Vol. 4, No. 2 (2018)
  • Performance Evaluation on Low-Crest Breakwater at North Coast of Java

    • Authors: Parlindungan Sudrajat Simanjuntak
      Pages: 139 - 150
      Abstract: Low-crest breakwater is one of coastal safety structures that used in managing the erosion at along the coast. As a newly studied and used coastal safety structure in Indonesia, the use of the structure requires an evaluation of whether its application is succeeded or not. Therefore, evaluation regarding on the utilization of coastal safety structure in form of low-crest breakwater was conducted. The research was to be conducted in locations that have low-crest breakwater structures, which is Pekalongan City, Demak Regency, and Jepara Regency. The research was conducted by using primary data in form of direct observation on location of implementation; and secondary data in form of tidal, wave, and coast material data. These data were expected to be able to provide a depiction on whether the low-crest breakwater structure application in Pekalongan City, Demak Regency, and Jepara Regency are succeeded. The observation in the implementation area showed positive result in the form of coast sedimentation in Pekalongan City and Demak Regency; although structural damage occurred in the Jepara Regency location. The matters that related to this condition were structure material and coast utilization. The material of the structured use geo-textile with 5 to 7 years usage time—in which damage would develop when in direct contact with human or if there’s sharp material towards the coast. In the case of coast utilization activities, such as boat mooring or fishing, geotextile material best not to be installed, or other stronger material should be chosen for it.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.34025
      Issue No: Vol. 4, No. 2 (2018)
  • Analysis of Layout of Yogyakarta Airport Railway Station and Its
           Integration with Tugu Railway Station

    • Authors: Prabendra A. Atmakusuma, Danang Parikesit
      Pages: 151 - 158
      Abstract: The government of Indonesia plans to build new airport that is located in Temon Sub-district, Kulon Progo Regency. However, the distance of the airport is quite far from the center of Yogyakarta City, therefore it is necessary to build a railway that functioned as a connector. The operating airport railway would then means an Airport Railway Station that is located in the center of Yogyakarta City, in order to accommodate the fluency of railway operation. This paper is intended to give information on the layout design, and also the location of Airport Railway Station in the center of Yogyakarta City. To generate layout of railway that is integrated with Tugu Railway Station of Yogyakarta, the methods used were: determining the station classification, determining the zone, the circulation and wayfinding, so that the passengers could move fluently. Based on the analysis result, the Airport Railway Station has categorized a large class station, with its location was designed separately from the Tugu Railway Station, but integrated with 52 meters long tunnel in south of the Airport Railway Station. The layout design of the Airport Railway Station was designed to be two levels and with two platforms with land necessity of 9100 m2, and was predicted to serve 515 passengers per rush hour.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.33999
      Issue No: Vol. 4, No. 2 (2018)
  • Evaluation of Flood Risk Reduction Project at Tenggang River, Semarang
           City, Central Java Province, Indonesia

    • Authors: Nuon Udom
      Pages: 159 - 166
      Abstract: Evaluation of flood risk reduction at Tenggang River is needed to reduce the urban and coastal flood from high-intensity rainfall and sea level rise. This paper mainly discusses rainfall frequency analysis, simulation of hydraulic structure performed by HEC-RAS 5.0.3, and the proposed alternative flood mitigation for 25-year flood return period. Hydrology and hydraulic was analyzed to investigate the flooding risk. The result of simulation illustrated the improvement channel condition by normalization the riverbed and the increase of levee to solve flood inundation at Tenggang River using the designated flood return period (25 years of return period, Q25 = 119 m3/s). The result of simulation showed that the hydrologic-hydraulic modeling is acceptable compared to the report from the office of public work in Semarang City.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.34035
      Issue No: Vol. 4, No. 2 (2018)
  • Disaster Risk Analysis to Support the Development of Regional Spatial Plan
           of Tasikmalaya Regency, Indonesia

    • Authors: Wiwin Winarti
      Pages: 167 - 178
      Abstract: Tasikmalaya Regency is one of the regencies on the West Java Province that is vulnerable to disaster and currently in the second position at national level. Based on data from BPBD (Regional Disaster Management Agency) of Tasikmalaya Regency, from January to June 2016, total disaster was 243 events and 64% landslide disaster, with total loss of IDR 19.5 billion. Therefore, multi-disaster risk mapping is necessary, as a form of mitigation effort. This multi-disaster mapping was arranged with steps as follows: analysis and mapping of vulnerability or susceptibility, capacity and risk of each disaster, based with Geographic Information System (GIS) with Arc Map 10.3 software, then being combined (overlay). The susceptibility and capacity levels used the parameters as according to Regulation of Chief of BNPB (Badan Nasional Penanggulangan Bencana – Indonesian National Board for Disaster Management) No. 02 Year 2012, which are: social susceptibility, economy susceptibility, physical susceptibility and environmental susceptibility. Study of landslide, flood, and earthquake disasters risks were classified according to BNPB Chief Regulation No. 02 Year 2012 into 3 (three) multi-disaster risk classes with Natural Breaks (Jenks) method, which resulted into: low risk class (57.01%), medium risk class (35.08%), and high risk class (7.92%). Based on the study, it is known that the region with classification of high risk to disaster needed to be rearranged in the spatial pattern planning, as a revision material for the Land Use Plan (Rencana Tata Ruang Wilayah – RTRW) of Tasikmalaya Regency in 2011-2031.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.33663
      Issue No: Vol. 4, No. 2 (2018)
  • Tsunami Disaster Preparedness Simulation on North Buton Regency

    • Authors: Jajang Sanjaya
      Pages: 179 - 190
      Abstract: Geographical location of North Buton Regency which directly opposite the Banda Sea and placed in the reverse fault of Makassar Strait, Matano fault, Lawanoppo, and Kolaka, which are tsunami-prone areas due to earthquake and submarine landslide. These then caused the area has high disaster risk, because of the settlement that is located on the seashore. Therefore, a study to understand the preparedness level of community in North Buton Regency in confronting the tsunami disaster is needed; in order to be able to determine the mitigation steps, also the effective evacuation route and location to minimize the casualties caused by tsunami. Kulisusu Sub-district is a territory with a fairly long coastal area, wherein the population density is the highest in North Buton Regency, this then made the area has high disaster risk. This research used questionnaire instrument to discover the preparedness level of the community, and the numerical simulation method with multi-agent system in the tsunami evacuation simulation. The conducted simulation did not specify the evacuation route or path, yet the agents were allowed to move freely to the shelter. The simulation was conducted at day and night time. The result of the research pointed on matter of preparedness level of community, in which factor of preparedness of the community in facing the disaster is very important, by the means of establishing simulation drill, preparing the controller officers, and managing the comfort on the shelter, such as strategic location and good position, also creating a good early warning system so that more residents could be saved.  
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.34000
      Issue No: Vol. 4, No. 2 (2018)
  • Urban Flood Control in Sringin Catchment, Semarang City, Central Java
           Province, Indonesia

    • Authors: Ngo Pheaktra
      Pages: 191 - 198
      Abstract: Sringin is the lowland area located in Semarang city which has been vulnerable to rob flooding from the Java Sea along with flood triggered by the intense amount of rainfall. The case study will further discuss the hydrological analysis, transformation of rational method into flow hydrograph with the design rainfall of 25-year return period, and unsteady flow analysis by HEC-RAS 5.0.3 under existing condition and design condition. The result shows that the design rainfall of 25-year return period measures 173 mm in vertical length and data collected from the office of public work, Semarang city can be used to implement the design scenario with normalization of drainage system and the increase of levee with the freeboard up to 0.75 m is proved to be the solution to the flood inundation in that flood-prone area while the flood under existing condition has caused excessive discharge at downstream up to 9 hours.
      PubDate: 2018-05-13
      DOI: 10.22146/jcef.33886
      Issue No: Vol. 4, No. 2 (2018)
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