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Rekayasa Sipil
Published by Universitas Brawijaya
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Core Subject : Engineering,
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Articles 551 Documents
Kajian Kapasitas, Kebutuhan, Dan Efektivitas Parkir Di Bandar Udara El Tari Kupang Amy Wadu; Harnen Sulistio; Achmad Wicaksono
Rekayasa Sipil Vol 11, No 1 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (712.563 KB) | DOI: 10.21776/ub.rekayasasipil.2017.011.01.10

Abstract

Undisciplined and difficulty to find parking space are problems at El Tari Airport Kupang. The purpose of research to determine the capacity and demand of parking space and the effectiveness of parking services. The methods used include analysis of parking characteristics, linear regression, method of Importance Performance Analysis (IPA). The results showed that the demand parking space for car at El Tari Airport in existing condition is already exceeding capacity, while for motorcycle still sufficient. For the next 5 years the demand of parking space is 573 parking spaces (SRP) for cars and 599 SRP for motorcycles. The relationship between parking space demand and the number of passengers are y = 1.463x - 6203.6 for car and y = 3.3449x - 14565 for motorcycles. For parking service performance with IPA method, there are 7 variables as the main priority improvement, that is the ability of the parking operator to direct the vehicle to the parking lot, arrange the traffic in the parking area, direct the driver in and out of the parking lot, supervision of parking offenders, parking attendant behavior on the driver, circulation arrangement and vehicle parking position expressed by parking signs and markings, and parking patterns in order. 
Perilaku Plate Girder Badan Bergelombang Arya Rizki Darmawan; Agoes Soehardjono; Wisnumurti Wisnumurti
Rekayasa Sipil Vol 11, No 2 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1135.473 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.02.5

Abstract

Plate girder is a composition from of several pieces of plate elements that have high slender ratio. Buckling on web is the main problem. Corrugated web is an innovation to resolve buckling problems. This research aims to get the effect of fold angle to shear capacity and get the collapse behavior that occurred. The research was conducted on a full scale in the laboratory and the ANSYS validation. This research concludes that the shear capacity of a flat-plate girder (conventional) will be increase by about 41% by making corrugated web geometric. In this research, the collapse occured in conventional girder plate is the collapse due to diagonal shear buckling in the area of 1/3 support, while for the collapse of the corrugated web girder is the collapse of torsion. 
Stability Analysis Of Earth Dam Slopes Subjected To Earthquake Using ERT Results Interpretation Eko Andi Suryo
Rekayasa Sipil Vol 11, No 2 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1226.904 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.02.10

Abstract

Earth Dam stability can be affected significantly by the existence of excessive leakage. This is due to decreasing of shear strength of the dam material and additional overturning moment. In such scenario, the non-destructive soil investigation method is needed to analyze the stability of earth dam in current condition. This paper examines the use of Electrical Resistivity Tomography (ERT) to investigate soil layers and to measure parameters of soil shear strength indirectly. First survey was carried out at dam crest and downstream using Wenner Configuration along profile lines at electrode spacing of 5 m. There were 5 profile lines of 180m long each and 10m distance of spacing. Furthermore, two profiles lines at weak cross-section based on its resistivity soil values were undertaken. Laboratory tests were conducted to determine relationship between resistivity value, moisture content, cohesion and angle of friction for each type of dam materials. From the ERT results and lab testing, a model dam can be obtained using current material parameters to perform stability analysis of dam subjected to earthquake. The lowest FOS was found at the upstream side about 1.15 and at the downstream side about 1.14 after applying seismic load of 100 years return period. 
Analisa Tegangan, Regangan Dan Deformasi Pada Perkerasan Konvensional Dan Perkerasan Porus Mukhammad Mukhlis; Ludfi Djakfar; Harimurti Harimurti
Rekayasa Sipil Vol 11, No 3 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (968.864 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.03.5

Abstract

In Indonesia generally use conventional flexible pavement, where the ability to pass water is not good. One prevention effort is using porous flexible pavement. To determine the effect of stress, strain, and deformation on porous and conventional pavement, a semi-field pavement study was conducted and focused on improving track performance. Semi-field scale is an analytical method that using a certain scale that can represent the actual conditions that occur in the field, both on the load, material, and thickness. From the measurement results, the value of stress and strain increased along with the increasing number of tracks. Meanwhile, the deformation on the surface of the asphalt due to the passing wheel load increases as the number of tracks increases.
Kajian Kinerja Pelayanan General Cargo Terminal Jamrud Di Pelabuhan Tanjung Perak Surabaya Ayu Fajar Ulfany; Achmad Wicaksono; M. Ruslin Anwar
Rekayasa Sipil Vol 11, No 3 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (676.884 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.03.10

Abstract

Terminal Jamrud is a busy terminal among three others terminals run by PT. Pelabuhan Indonesia III branch of Tanjung Perak that serving general goods cargoes and dry bulk both dosmetically and internationally. The source of the problem to increase terminal performance are capacity building, efficiency, productivity and environment. The objectives of this study were to identify the existing performance of loading and unloading of general cargo and to arrange strategies for the development of Terminal Jamrud at Tanjung Perak Port using SWOT analysis. Based on secondary data: 1) the best operational performance of service is the productivity of loading and unloading of general cargo, 2) the best performance is the approach time (AT), 3) the waiting time (TW) has not fulfilled the expected achievement as it is stil below the standard, 4) attributes of utility services, non-container terminal dock facilities, SOR and YOR still needs to be improved. The development strategies of Terminal Jamrud at kuadran I i.e grapid rowth strategy.
Pengaruh Variasi Jarak Sengkang Dan Rasio Tulangan Longitudinal Terhadap Mekanisme Dan Pola Retak Kolom Bertulangan Ringan Akibat Beban Siklik Ari Wibowo; Sugeng P. Budio; Siti Nurlina; Eva Arifi; Dufanti Ayu W
Rekayasa Sipil Vol 10, No 3 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (735.172 KB) | DOI: 10.21776/ub.rekayasasipil.2016.010.02.01

Abstract

Kolom merupakan struktur batang tekan vertikal yang memiliki fungsi utama sebagai penyalur beban-beban bangunan dari atas hingga ke pondasi. Di Indonesia, masih sering dijumpai bangunan tua dan rumah tinggal yang memiliki rasio tulangan longitudinal kurang dari 1% atau biasa dikenal dengan kolom bertulangan ringan. Kolom bertulangan ringan dipercaya memiliki performa yang buruk dalam menahan gempa, padahal di beberapa kasus yang ditemui di banyak negara, kolom bertulangan ringan cukup mampu bertahan terhadap gempa. Di sisi lain jarak sengkang merupakan salah satu aspek konstruksi yang penting pada kolom. Oleh karena itu, perlu penelitian lebih lanjut tentang jarak sengakang dan rasio tulangan longitudinal. Penelitian ini membahas tentang pengaruh jarak sengkang dan rasio tulangan longitudinal terhadap kolom bertulangan ringan akibat beban siklik.Dalam penelitian ini kolom beton bertulang digunakan sebagai benda uji dengan banyak benda uji sebanyak 4 buah kolom dengan variasi rasio tulangan longitudinal (0,8% dan 1,1%) dan variasi jarak sengkang (15 cm dan 25 cm). Pengujian dilakukan dengan memberikan beban aksial konstan sebesar 0.1 Pu dan beban siklik hingga kolom melewati keruntuhan beban lateral dengan metode displacement control. Data berupa beban dan perpindahan setiap siklusnya dicatat untuk analisis mekanisme retak. Sedangkan gambar diambil sebagai acuan pola retak. Hasil pengujian menunjukkan bahwa mekanisme yang terjadi pada keempat spesimen kolom adalah sama, dimana terjadi retak lentur pada pembeban awal. Keruntuhan lateral terjadi pada drift yang hampir sama pada spesimen dengan rasio tulangan yang sama. Sehingga variasi jarak sengkang tidak begitu berpengaruh pada mekanisme retak kolom tersebut. Adapun besarnya beban saat retak untuk masing-masing spesimen L15C, L25C, M15C, dan M25C berurutan adalah sebesar 1127 kg, 1062 kg, 1008,5, dan 937 kg. Pola retak yang terjadi pada keempat spesimen adalah sama, yang diawali dengan retak lentur dan kemudian dilanjutkan dengan retak geser. Jarak sengkang yang lebih rapat (15 cm) akan menghasilkan jarak retak yang lebih rapat daripada sengkang dengan jarak yang lebih renggang (25 cm). 
Optimalisasi Desain Jembatan Lengkung (Arch Bridge) Terhadap Berat Dan Lendutan Sugeng P. Budi; Retno Anggraini; Christin Remayanti N.; I Made Bayu Arditya Widia
Rekayasa Sipil Vol 10, No 3 (2016)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (576.029 KB) | DOI: 10.21776/ub.rekayasasipil.2016.010.02.06

Abstract

Jembatan lengkung (arch bridge) adalah jembatan bentang panjang yang merupakan salah satu infrastruktur yang diperlukan dalam membantu masyarakat untuk melintasi pulau, sungai dan hambatan lainnya. Dalam merencanakan jembatan lengkung perlu diperhatikan beberapa hal sebagai contoh yaitu lokasi jembatan, biaya pembangunan jembatan, material jembatan serta tipe sambungan pada titik buhul jembatan. Untuk menghasilkan desain jembatan lengkung yang aman dan efisien maka peneliti melakukan penelitian mengenai optimasi desain jembatan lengkung terhadap rasio beban dan lendutan. Penelitian akan dilakukan dengan dua cara yaitu analisis dengan menggunakan bantuan software dan melakukan pengujian pada model jembatan. Model jembatan akan dibuat dari bambu dengan variasi tipe sambungan sehingga dari model jembatan tersebut maka dapat diketahui tipe sambungan yang dapat memberikan kinerja yang baik pada titik buhul jembatan. 
Analisis Percepatan Aktifitas Pada Proyek Jalan Dengan Menggunakan Metode Fast Track , Crash Program, Dan What-If Andrea Saputra A. P.; As’ad Munawir; Indradi Wijatmiko
Rekayasa Sipil Vol 11, No 1 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1471.561 KB) | DOI: 10.21776/ub.rekayasasipil.2017.011.01.1

Abstract

Implementation of road projects southern cross wawar - congot purworejo central java at week 27 is delayed. From 53.41% is only realized 12.82%. Fast track method, the program crashes, and what if is used to accelerate the implementation of delayed project. The purpose of this study is to determine the acceleration of implementation, to evaluate the effectiveness acceleration and to evaluate the implementation of road projects based on the control of time and cost. Time control and costs control shows sv 0.24 and cv value of 1.06, and it explains that the project is delayed, but the cost is less from the plan. Fast track method can accelerate 78 days, crash program method can accelerate 31 days, and what if method can accelerate to 7 days from prior to the acceleration, which is 110 days late. All three methods cannot speed up the project based on the plan. Fast track method is the method most quickly approaching the initial plan. Then combination of acceleration between fast track and a crash program produce total duration as scheduled. The conclusion is the combination of methods can restore the schedule according to the plan. 
Faktor-Faktor Yang Mempengaruhi Tingkat Kepuasan Hunian Perumahan Bersubsidi Di Kota Malang Agus Inter Arma Caritas; Wisnumurti Wisnumurti; Agus Suharyanto
Rekayasa Sipil Vol 11, No 1 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (472.397 KB) | DOI: 10.21776/ub.rekayasasipil.2017.011.01.6

Abstract

The city of Malang is one of the largest cities in East Java will not be separated from the problem of housing needs. However, there are still many people who do not have homes, especially for low-income people. In meeting the needs of homes, low-income residents find it difficult to have cash in house and limited costs. Therefore, the government provides a program to facilitate the residents in meeting the needs of the house that is with the program Housing Financing Liquidity Facility (FLPP). This study aims to increase the role of stakeholders in building subsidized housing as measured by the level of satisfaction of residents in subsidized housing in Malang. Analyzes for the support used include descriptive analysis to explain the occupants' satisfaction for each housing sample. And the method used is the importance-performance analysis (IPA), Customer Satisfaction Index (CSI) and Regression. After the results of data processing, obtained the results of the level of customer satisfaction assessing the performance of subsidized housing developers in Malang included into the category either, Index Performance) totaling 67.02%. And where variable of location factor, building quality factor, and completeness factor of facility and infrastructure have positive influence to satisfaction of subsidized housing resident in Malang City. 
Eksperimen Dan Analisis Lebar Retak Pada Balok Beton Bertulang Pasca Paparan Suhu Tinggi Rizki Prasetiya; Edhi Wahyuni; Wisnumurti Wisnumurti
Rekayasa Sipil Vol 11, No 2 (2017)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (824.89 KB) | DOI: 10.21776/ub.rekayasasipil/2017.011.02.1

Abstract

Cracking is one of the structural behaviors reviewed under the service boundary conditions. Cracks will be the gaps in the various substances in the reinforced concrete structures that will make the structure vulnerable. The fragility of building structures due to exposure to high temperatures or fires can be observed from the behavior of structures when the boundary conditions and maximum crack widths become one of the conditions to how the strength of the structure can survive. This research aims to find how big influence of high temperature on reinforced concrete beam especially to crack width. The test performed is a bending test with a beam-sized test object (10 x 15 x 120) cm. The variation of this research is normal reinforced concrete beam (BN), exposed to temperature 400°C (BS1), exposure temperature 600°C (BS2), and exposure temperature of 800°C. The results show that the decrease of bending strength from normal temperature to 400°C is 10%, from normal temperature to 600°C at 22% and from normal temperature to 800°C at 29%. For the average crack width at normal beam load load of 0,148 mm, then for 400°C beam decrease and the average crack width is 0,095 mm. For the average crack width when the load of beam service 600°C increased and gained 0,696 mm, for beam of 800°C crack width at service load 0,276 decreased compared to beam 600°C. 

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