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Journal of Civil Engineering

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Published by Institut Teknologi Sepuluh Nopember Surabaya

ISSN : 20861206 EISSN : 25799029 DOI : -

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Journal of Civil Engineering merupakan jurnal bidang teknik sipil yang mengacu pada sistem standar internasional dalam pengelolaannya dengan tujuan utama memajukan bidang teknik sipil melalui publikasi ilmiah demi terwujudnya kemudahan mendapatkan ilmu dan informasi serta mendukung kemajuan teknologi.

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Articles 163 Documents

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CONNECTION MODEL OF CONCRETE FILLED STEEL TUBE (CFT) COLUMN TO STEEL BEAM UNDER CYCLIC Agustina Dwi Atmaji; Budi Suswanto; Endah Wahyuni
Journal of Civil Engineering Vol 34, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Various types of structural technology began to develop rapidly, one of which was composite steel. Composite steel (Concrete Filled Steel Tube) is a structure consisting of two or more materials with different material properties and form one unit so as to produce better combined properties. Compared to conventional steel, this column has many advantages such as convenient formwork for concrete cores provided by steel tubes, increased strength and good ductility. This study uses the CFT column as the main variable by considering variations in the CFT column on the connection using ABAQUS. Modeling was carried out with a test object of 203 × 133 × 7.8 × 5.8 mm and the CFT column dimensions of rectangular 220 × 220 × 6 mm, and circular Ø 220 mm t = 8 mm. The research method uses two steps static-general method with static-risk. The results of these two research methods have the results of approaching and having the same behavior. Modeling has fulfilled the requirements of modeling the column-beam joints that can be used in a system of earthquake-resistant reinforced steel composite concrete frame structures. Based on the modeling results that have been done, modeling has fulfilled the connection that has sufficient ductility capability.

ANALISIS KUALITAS PELAYANAN RUSUNAWA GUNUNG SARI SURABAYA Niken Wulandari Purwaningdyah; Ria Asih Aryani Soemitro; Hitapriya Suprayitno
Journal of Civil Engineering Vol 33, No 2 (2018)
Publisher : Institut Teknologi Sepuluh Nopember

The paper disccuses an analysis study on the service quality of Rusunawa Gunungsari in terms of occupants satisfacion, condition of current management body of rusunawa, and management recommendation to improve the service quality of Rusunawa Gunungsari. The analysis is performed by using Importance Performance Analysis (IPA) for occupants satisfaction and 7s Mc Kinsey model as a framework to identify the current condition of management body of Rusunawa Gunungsari, then the results of these two analysis are used as inputs for management improvement recommendation. The results shows that the comparison between perception and expectation of occupant (Total Compliance Level) for Rusunawa Gunung Sari is equal to 74.18%, the absence of maintenance regulation or Standard Operating Procedure (SOP), lack of occupant rules enforcement, insufficient rusunawa management budget, and lack of cleaners are management conditions that contribute to management low performance.The recommendation for improving management performance based on two analysis before are the management body should compile and implement the Standard Operating Procedure of rusunawa maintenance,enforce the occupants rules,add numbers of cleaners, and conduct an management evaluation as a maintenance budget reference.

DUCTILITY EVALUATION OF REINFORCED CONCRETE COLUMN MADE OF NORMAL- TO HIGH-STRENGTH CONCRETE UNDER CONSTANT AXIAL LOAD LEVEL COMBINED WITH FLEXURAL LOADING USING NONLINEAR SECTIONAL FIBER BASED MODEL Bambang Piscesa; Dwi Prasetya; Mudji Irmawan; Harun Alrasyid
Journal of Civil Engineering Vol 34, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

This study presents the ductility evaluation of reinforced concrete column made of normal-strength material using various empirical stress-strain model with nonlinear sectional fiber based analysis. The purpose is to evaluate the confinement requirement for reinforced concrete column under high axial load level. The concrete strength considered in the analysis are varies from 30 to 70 MPa while the steel reinforcing bar yield strength considered is only 400 MPa. The ductility is evaluated by using the customized ductility index measurement. The ratio of the concrete cover to the concrete core is set to 0.1 but not more than 40 mm. Attard and Setunge’s concrete constitutive model is used in this investigation. Cover spalling behavior is considered in the analysis by including the restrained shrinkage effect on the concrete strength and the softening behavior. From this study, it was found that extra confinement is necessary to maintain the expected minimum level of ductility.

Prediction of Concrete Strength Based on Design Parameters, Hammer Test and Test UPV by Using Artificial Neural Network (ANN). Yulia Helena Margarita Rada; Pujo Aji
Journal of Civil Engineering Vol 34, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

This study aims to predict the compressive strength of existing concrete without using destructive tests which can damage the surface of the concrete. Destructive testing has the disadvantage of damaging the surface of the concrete, requires a long time and need expensive cost, while the Non Destructive Test (NDT) has the advantage of not damaging the surface of the concrete and faster when combined with the Artificial Neural Network (ANN) method. In this research, the Non Destructive Test (NDT) result such as hammer test and UPV were combined with concrete mix design properties and used to predict the compressive strength of concrete at three and 28 days. The Artificial Neural Network (ANN) method is used to make correlation of mix design properties data and NDT. In this study experimental tests were performed using variation of design parameters such as water per cement ratio and weight ratio of fly ash. The water per cement ratio used in this research was in range 0.45 until 0.55. Furthermore, the weight ratio of fly ash was in range 0% until 25%. Based on the modeling result using ANN method, it found that that the neural network method successfully predicts the compressive strength of concrete at three and 28 days with the mean square error (MSE) value and regression of concrete at three days are5.83 and 0.89 respectively. While at 28 days the MSE and regression value are 4.7 and 0.87 respectively.

PENGARUH RENCANA INDUK BANDAR UDARA DI PROVINSI KALIMANTAN SELATAN TERHADAP JUMLAH PENUMPANG ANGKUTAN UDARA PADA TAHUN 2020 DAN 2030 Eriza Islakul Ulmi; Ervina Ahyudanari
Journal of Civil Engineering Vol 34, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

The Minister of Transportation Regulation No.69 of 2013 set the national master plan of the airport in 2020 and 2030 including the airports in the Province of South Kalimantan. This causes a change in the role of the airport in South Kalimantan so effected on travel pattern change and affect on passengers trip distribution. Therefore, an analysis is needed to predict passenger travel patterns in the future. Data of passenger movement from Syamsudin Noor Airport, Gusti Syamsir Alam Airport, and Bersujud Airport analyzed by Exponential Smoothing Forecasting Method. While Tanjung Warukin airport is analyzed by multiple regression analysis method. The result of this study is in 2020 there is a new route that is Tanjung-Kotabaru predicted as many as 1.773 passengers using the route, it gives influence on demand of airport in Kotabaru that is from 299.203 people will be 300,976 people. The newly operated Tanjung-Banjarmasin route has the potential to survive as indicated by the number of passengers in 2020 of 5942 people.

PEKERJAAN EARTHWORK DENGAN PENERAPAN METODE M-PERT DI AREA KAWASAN INDUSTRI Sugeng Rahardjo
Journal of Civil Engineering Vol 34, No 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Earthwork Work with the Application of the PERT-Method in the Industrial Estate area. At the present time the need for industrial area in Jakarta and its surrounding areas is much higher than its availability. The average delay in earthwork is 6.1% white the weight of earthwork work in a construction project reacted 13.48%.In order to overcome the delay in implementation time, researchers used the M-PERT method can increase the accuracy of implementation time by 99%, The processing The results of the statistical analysis obtained the influential factors in earthwork work on industrial areas based on the M-PERT method whice are: exavator selection, similarities in the network, combining activities, understanding PERT activities, manual calculation, recalculating PERT, increasing crashing time, identification of cut & fill and effects duration of activity. Based on the validation results on the ripening work of the G1 plots in the industrial zone of Krakatau II Cilegon Banten, the application of M-PERT method, the result is 72 , 55 days, whice produced the error rate of 1.99%.

PREDICTING THE FLEXURAL RESPONSE OF A REINFORCED CONCRETE BEAM USING THE FRACTURE-PLASTIC MODEL Asdam Tambusay; Priyo Suprobo
Journal of Civil Engineering Vol 34, No 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.6470

This paper describes an attempt to predict the flexural response of a reinforced concrete (RC) beam using nonlinear finite element analysis. To facilitate direct comparison, the beam was tested experimentally under four-point bending with the load increased monotonically. The load-deflection response, crack pattern and failure mode were observed in the experiment. Analysis incorporating the application of ATENA 3D was performed using the fracture-plastic model which is based on the classical orthotropic smeared crack formulation and crack band model. The applicability of this model was demonstrated through detailed simulation of RC beam with identical geometry, reinforcement arrangement, and material properties. From this study, it is found that the overall predicted responses are in very good agreement to those obtained from the experiment. It is also found that the feature in ATENA enables the presentation of reasonably maximum principal strains of concrete and rebar elements which can, therefore, be associated with the predicted crack bands.

SORPTIVITY AND CHLORIDE PENETRABILITY EVALUATION OF CONCRETE INCORPORATING FLY ASH AND SILICA FUME Wahyuniarsih Sutrisno; Gabriel Ghewa; Priyo Suprobo
Journal of Civil Engineering Vol 34, No 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.6576

Diffusion is believed to be the main mechanism of fluid ingress into the concrete. However, in partially saturated concrete, the fluid will mainly be absorbed by the capillary suction mechanism, which associates with the sorptivity properties of the concrete. This paper presents the results of an experimental program to investigate the influence of Portland cement substitution with Silica Fume (SF) and Type F Fly Ash (FA) on the rate of absorption, which also known as sorptivity, and chloride penetration of concrete. The sorptivity of the concrete was evaluated according to ASTM 1585, while the chloride penetration was evaluated according to ASTM C 1202. By substituting part of cement with FA and SF, it was found that the sorptivity of concrete is reduced. Furthermore, all type of concrete with supplementary material, including CFA, CSF and CSM, is confirmed to enhance the ability of concrete to resist chloride penetration compared yo normal concrete (NC).

ASSESSMENT TO THE PILE BEARING CAPACITY OF INJECTION PILE BASED ON PILE DRIVING ANALYZER AND RE-INJECTION TEST RESULTS (CASE: EASTKAL PENAJAM PROJECT) Trihanyndio Rendy Satrya; Musta'in Arif
Journal of Civil Engineering Vol 34, No 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.6702

Injection piling method was used as the main pile driving method at the three warehouses in the Eastkal Penajam project, Kalimantan, Indonesia. The sub-soil compositions are dominated by clay and sandy soil with very soft to medium consistencies. By using injection pile equipment, it is possible to measure the pile bearing capacity from the loading gauge. Since the soil is dominated by clay, the friction capacity overtime will be improved. For that purpose, the piles were re-injected again after 3, 10, 11, and 25 days. To establish the forecasting expression of pile bearing capacity enhancement for other piles, non-linear regression analysis was performed. To verify the result, pile driving analyzer (PDA) test for selected piles was carried out. The results from PDA test were further analyzed by using both direct fields reading in the PDA data logger and the Case Pile Wave Analysis Program (CAPWAP). A linear regression analysis was carried out to complete the blank data due to the field measurement limitation. In addition to the obtained field data, theoretical analysis of pile bearing capacity with Luciano Decourt method is carried out. From the comparisons of all data, it can be concluded that re-injection pile method provides the highest safety factor followed by PDA test, CAPWAP analysis, and theoretical design calculation with Luciano Decourt method.

FINITE ELEMENT MODELING OF CIRCULAR REINFORCED CONCRETE COLUMN CONFINED WITH CFRP UNDER ECCENTRIC LOADING Angga Bayu Christianto; Bambang Piscesa; Faimun Faimun; Pujo Aji
Journal of Civil Engineering Vol 34, No 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.6375

This paper presents nonlinear finite element analysis of eccentrically loaded circular Reinforced Concrete (RC) column confined with Carbon Fiber Reinforced Polymer (CFRP) wraps. The concrete constitutive model uses a plasticity-fracture model which is restraint sensitive, utilize a non-constant plastic dilation rate, and is able to simulate the plastic volumetric compaction of concrete core under high confining pressure. For validation of the models, two available specimens from the literature are used in the validations. Excellent agreement between the numerical models and the available test results are obtained in this study. A detailed investigation on the confinement effectiveness of both external and internal confining devices are presented and discussed. This discussion of the confinement effectiveness is important to be included in the design formula.

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