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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 10 Documents
 1 
Search results for , issue "Vol 15, No 2 (2021): Agustus 2021" : 10 Documents clear
EVALUASI KINERJA ANGKUTAN UMUM TRAYEK MALANG – KEDIRI BERDASARKAN KEPUASAN PELAYANAN PADA MASA PANDEMI COVID-19 Rifky Aldila Primasworo; Galih Damar Pandulu; Yusta Dayuwasti Gons
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.318

Abstract

Abstract Public transportation for passengers on the Malang - Kediri route is a transportation that serves between cities within the province, and this route is one of the very long routes with a travel time of ± 4 hours. Over time, planners sometimes need to re-evaluate the performance of Bus transportation to meet the standard values of the Land Transportation Service. The purpose of this study is to determine the performance of public transport services, public transport productivity, and to make alternative solutions related to the results of performance evaluation of public transport services. In this study, the assessed public transport performance indicators are load factor, headway, frequency, number of operating vehicles, travel speed, service time, waiting time, travel time, and also indicators of service satisfaction assessed are physical evidence, reliability, responsiveness, assurance, empathy. Indicators - These indicators are obtained from the results of dynamic surveys and static surveys. From the results of the evaluation of public transport service standards according to the Director General of Land Transportation, the performance of the Malang - Kediri route public transport is in the medium category. There are 4 factors for the satisfaction of passengers who have services with a high level of importance and low performance, while 15 other factors have a good / high level of importance and performance. The productivity of the Malang - Kediri route public transport is 31 pnp / day-vehicle. Alternative solution given is: improving service performance by repairing services that are not in accordance with service standards, and supported by the participation of the Government as policy makers and decisive action for violations of service standards, especially city transportation services. Keywords: evaluation, public transportation performance, service.
PEMANFAATAN LIMBAH KERANG DARAH SEBAGAI MATERIAL BUATAN AGREGAT KASAR BERDASARKAN NILAI KUAT TEKAN Fistcar, Wawarisa Alnu; Utami, Sri Rejeki Laku; Fitriyanti, Aghni
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.319

Abstract

Abstract Construction of buildings using concrete is more popular than the use other materials. As an alternative to utilizing waste around the environment, it is necessary to innovate concrete mixtures with other materials.In this study, waste anadara granosa shell were used basic material for coarse aggregate in a concrete mixture, with variation andora granosa material 20%, 50% and 80%. Manufacture of cylindrical specimens measuring 15 x 30 cm to be tested for compressive strength at the age of 7, 14 and 28 days. This experiment uses normal concrete quality Fc = 25 MPa as a comparison control. The sample used in this study was 3 pieces in each variation, as well as using the compressive strength frequency analysis. The results of the concrete research without the addition waste anadara granosa shell a compressive strength is 34.54 MPa. Concrete with the addition of a mixture 20% anadara granosa shell a compressive strength 26,04 MPa, concrete with addition of a mixture 50% anadara granosa shelll a compressive strength 17,55 MPa, and concrete with addition of mixture 80% anadara granosa shell a compressive strength 9,62 MPa. So that the greater the percentage of adding blood clamshells will reduce the compressive strength, but the addition of 20% shells still meets the design quality concrete. Keywords : Anadara granosa shell, Concrete, Compressive streng
EFEKTIVITAS DAN EFISIENSI JEMBATAN RANGKA KAYU SEBAGAI ALTERNATIF RANGKA JEMBATAN PEJALAN KAKI Nurjanah Nurjanah; Hazairin Nikmatul Lukma
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.322

Abstract

Abstract In remote areas, there are many simple bridges (non-engineered bridges) that are damaged. One alternative to solve the problem of bridges in remote areas for pedestrians is to use a wooden frame bridge. The truss system bridge is an ideal form and is easily renewable and easily available which is prone to buckling. Some forms of truss bridges that are widely applied are the Warren truss, Pratt truss, Howe truss, and K-truss types. This study discusses the effect of frame shape on the ratio of weight and deflection that occurs due to pedestrian loads on short spans (L=4m). In the development of this frame shape, it refers to the frame shape that is widely applied, using loading according to SNI 1725-2016 and cold rolled cross section analysis based on SNI 7971-2013. The data required is the height of the girder is 2.1m and the width is 0.7m. Refers to SNI 1725 Loading bridges, and the control structure refers to SNI T-12-2004 (Concrete Structure Planning for Bridges). The analysis begins by determining the dimensions of the girder geometry, Sap 2000 software. The results of the analysis show that the calculation with Sap 2000 and graphed shows the equation y = 82.782 x δ – 2.555562, the maximum deflection is L/500, which is 0.08 cm. So, the load that produces a deflection of 0.08 cm is 7.425 kg. In this plan, the katu sengon material is used with a beam dimension of 8/12 and in the final design the bending stress is 32 kg/cm2 which is smaller than the allowable bending stress of 100 kg/cm2 Keywords: Truss Bridge, Wooden, Pedestrian Bridge, SAP 2000
Job-Order Costing dan Penerapannya pada Pekerjaan Interior Hunian Vertikal Widyo Nugroho; Ayu Fatimah; Arya Javas
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.316

Abstract

Abstract Cost management analysis is one of the decision-making tools related to business management. Making such decisions has direct implications for designing a product costing system, which accumulates the costs of the production process. The most common types of product costing systems are job-order costing and process costing, and a combination of the two, namely operation costing. For work with custom products such as interior work, the job-order costing system is a more appropriate approach when compared to the other two systems. This article examines the literature related to job order costing and its various applications in the industrial world. Then the compilers carried out a study in the application of job-order costing to interior vertical residential work with two types of orders for compiling the cost of goods manufactured. This analysis will assist the developer in determining the sales value per apartment unit where interior work is one of the components in the apartment property value chain. Besides, the cost of goods manufactured is also a guide in controlling production costs and measuring company profitability. In this study, overhead is determined by the normal cost of the previous production year, while direct material and direct labor costs are determined by the standard costs obtained from the unit price survey. From the analysis, it was found that the greater the volume of work, the lower the percentage of overhead costs. On the other hand, the percentage of direct material costs and direct labor will increase variable. Concerning company profitability, orders for the two-bedroom type have higher profitability when compared to orders for the studio type. Keywords: Job-order costing, Interior work, Product costing systems
PENGARUH AMBANG -BERTALUD PADA BAK KONTROL DI SALURAN TERBUKA TERHADAP KONDISI ALIRAN Agus Suhardono; Joko Setiono; Mona Shinta
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.317

Abstract

Abstract The control basin in the open channel functions as a channeled sediment control building. In this research, this research was carried out in a menhole with a beralud sill design, so that it is expected to increase the flow performance of the open channel on the downstream side. This study uses the parameter FR <1 (sub critical flow), especially the downstream side. The discharge variable varies from small to large for model 1 (talud 1: 1) and model 2 (talud 1: 2). The results of the FR research still fulfill, for model 1 on the upstream side the value of FR = 0.277 - 0.295, on the downstream side the value of FR = 0.526 - 832, while for model 2 on the upstream side the value of FR = 0.229 - 0.274, on the downstream side the value of FR = 0.185 - 0.864 ,. The depth of water in Model 1 on the upstream side H = (6.8 - 8.9) cm, on the downstream side H = (3.1 - 5.3) cm while model 2 on the upstream side H = (6.8 - 8.9) cm, on the downstream side H = (3.0 - 8.9) cm . According to the law of continuity, the amount of constant discharge, the results of the study of the amount of discharge at each point of review are different in the two models, causing a reduction in discharge, with an average value of discharge reduction (Cq), for model 1 Cq = 1.036 and for model 2 the value of Cq = 0.959 . Keywords: discharge, flow, channel
CANGKANG PALA SEBAGAI MATERIAL PENGGANTI SEBAGIAN AGREGAT KASAR PADA BETON NORMAL Budiman Budiman; Imran Imran; James WTP
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.331

Abstract

Abstract Normal concrete uses fine aggregate and coarse aggregate with concrete density 2200 kg/m3 -2400 kg/m3 with a compressive strength of about 15-40 MPa. The purpose of this study is to determine characteristics of the concrete aggregate and the compressive strength of the concrete design based on the DOE (Department of Environment) method and the SNI Standard. In this research, the use of nugmet shell was varied as follows: 0%, 0,25%, 0,50%, 0,75% and 1% of the cement weight. The results showed that the use of nutmeg shells as a normal concrete affected the specific gravity and the value compressive strength of concrete. The higher the percentage of nutmeg shells, the lower the specific gravity and compressive strength of the concrete. The average value of concrete density to nutmeg shell 2254.72 (kg/m3 ) and normal concrete 2304.32 (kg/m3 ). The compressive strength of normal concrete is 224.2 kg/cm2 and the concrete from nutmeg shell the composition of 0.25% and 0.5% obtained by 129.6 kg/cm2 and 140.0 kg/cm2 increases the use of nutmeg shell 0.75% and 1% obtained value of 117.6 kg/cm2 and 118.1 kg/cm2 decreased at the age of 28 days. The compressive strength of normal concrete 22 MPa while the maximum nutmeg shell concrete 14 MPa, so it does not meet the quality of normal concrete in general. Keywords: Aggregate Characteristics, nutmeg shell, Characteristics Compressive Strength
PENGARUH PEMANFAATAN APLIKASI BUILDING INFORMASI MODELLING (BIM) TEKLA STRUCTURE EDUCATIONAL TERHADAP PEMBUATAN SHOP DRAWING DAN BILL OF MATERIAL Deni Putra Arystianto; Achendri M. Kurniawan
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.333

Abstract

Abstract Building Information Modelling (BIM) is a representation of a digital system that is very useful especially in the world of construction. Building Information Modelling (BIM) is useful to combine a variety of three-dimensional digital Modelling from various different software and disciplines so as to create a conformity among them. By using Building Information Modelling (BIM) software, efforts to minimize construction failures, fabrication, and others can be achieved, so that in addition to efficient time, we can also streamline quality and also costs.Tekla Structures is a software Modelling, detailing, engineering, drawing, reporting and management with the concept of three-dimensional Building Information Modelling where all structural objects are represented complete with all the information. Modelling with thousands of Profile types, shapes and connections can be done easily, quickly, and reduce errors.In this research will be discussed methods in making Shop Drawing and Bill of Materials a study of buildings with the main structure of Steel, using Tekla Structures software where the output that will be produced is in the form of Shop Drawing such as General Arrangement, Assembly Drawing, Cast Unit Drawing, as well as Single Part Drawing complete with Reports Bill of Materials (BOM) which contains a list of materials and volumes. These output results are certainly very useful and have a significant influence on the needs of a project in the field from planning to construction implementation because of the ease of operation, accuracy of drawing results, and calculations obtained, as well as other detailed information.. Keywords: Building Information Modelling, Tekla Structures, Shop Drawing, Bill of Material
KINERJA KECEPATAN KENDARAAN PADA RUAS JALAN MENGGUNAKAN METODE PKJI 2014 DAN PORTABLE SPEEDGUN Udi Subagyo; Achendri M. Kurniawan
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.335

Abstract

Abstract The definite impact that will be caused by the increase in the number of transportation modes is traffic congestion. Jalan Soekarno – Hatta in front of the Polinema campus, is one of the roads in Malang City, which is quite strategically located because it connects the residential, educational and business areas, which are always crowded with vehicles every day. As a result of the volume of vehicles passing through the road is quite large and has a major effect on road performance (level of service) which can be measured based on the speed of vehicles crossing the road, a method is needed to facilitate vehicle speed measurement.. The method used to measure the performance (level of service) in the section is the measurement method with the Speedgun and PKJI 2014 where the expected goal of the results of this study is to obtain the performance of the road using the PKJI 2014 method, the performance of the road segment using a portable speed gun. and a comparison of road performance using the PKJI 2014 method and a portable speed gunThe results obtained from this study are the road segment performance (level of service) using the PKJI2014 method produces LOS (level of service) "E" with a light vehicle speed of 36.5 km/hour km/hour in the peak hour period 7.20-8.20, The performance of the speedgun measurement method produces an LOS (level of service) “E” with a light vehicle speed of 36 km/h km/h in the peak hour period 7.20-8.20 and the results of the comparison of the performance of the two methods is to produce LOS (level of service) “E ” where the measurement results of the PKJI 2014 method resulted in greater speed. Keywords: level of service, PKJI 2014, Speed Gun, comparison
PENGARUH MANAJEMEN KOMUNIKASI TERHADAP KINERJA PROYEK KONSTRUKSI DI KOTA MALANG Indah Ria Rizkiyah
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.342

Abstract

Abstract In a construction project, the most important factor for the smooth running of a job other than human resources is communication between the parties involved in the construction project, including consultants and contractors. The purpose of this study is to determine the communication factors that influence the implementation of construction projects on the performance of construction projects, analyze and prove the communication factors that influence the implementation of construction projects, determine the effect of performance reports, and determine the effect of administration on construction project performance. This research was conducted at a medium qualified contractor company in the city of Malang, from a sample calculation of 30 respondents, namely the project's internal parties. Field data measurement techniques. Questionnaire data processing using SPSS version 21 computer program. The results of this study are communication planning activities, information distribution activities, performance reporting activities, and administrative activities have a positive and significant effect on the performance of construction projects in the city of Malang. Keywords: Construction Project, Communication, and performance
ANALISIS POTENSI LIKUIFAKSI AKIBAT GEMPA BUMI BERDASARKAN DATA INSITU TEST MENGGUNAKAN METODE PROBABILITAS Ahmad Latiful Ansori; Hanindya Kusuma Artati
Prokons: Jurnal Teknik Sipil Vol 15, No 2 (2021): Agustus 2021
Publisher : Jurusan Teknik Sipil, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/prokons.v15i2.349

Abstract

Abstract The occurrence of an earthquake will cause damage to the soil structure which is called liquefaction. One of the damage to the soil structure is liquefaction. This event will affect the structure above, especially if it occurs in saturated sandy soils. The purpose of this study is to analyze the probability liquefaction based on N-SPT, and to analyze the relationship between soil and seismic parameters with the probability of liquefaction. The calculation method of liquefaction potential analysis begin by using equations suggested by the National Center for Earthquake Engineering Research (NCEER) USA based on N-SPT data to determine the liquefaction potential deterministically. Then continued with the probability calculation method proposed by Haldar & Tang (1979), Hwang et al (2004), Sonmez & Gokceoglu (2005), and Juang et al (2004). The results of the analysis show that the research location is a potential liquefaction area with a level of danger that is almost certain that it will liquefy or a probability of above 85%. The relationship of soil parameters on the probability is of N-SPT value correlated with a decrease in the probability value of liquefaction. The probability of liquefaction above 85% occurs in the N-SPT value range of 0-20, while below 85% occurs at the N-SPT value of 20-50. The increase in the value of the earthquake magnitude correlates with the high probability value of liquefaction. Keywords : Liquefaction, N-SPT data, Probability, Earthquake magnitude

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