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Journal of Civil Engineering
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : 20861206     EISSN : 25799029     DOI : -
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
Journal of Civil Engineering (eISSN 2579-9029/pISSN 2086-1206) is a new journal that preceded by the previous Civil Engineering Department ITS Journal which was well known as Jurnal Teknologi dan Rekayasa Sipil (TORSI). TORSI journal was established in March 1981. In 2009, TORSI journal name was changed to Journal of Civil Engineering. Journal of Civil Engineering is managed by Pusat Publikasi Ilmiah LPPM Institut Teknologi Sepuluh Nopember (ITS). Journal of Civil Engineering published at least five papers for each volume. Annually two volumes are published with the first volume is published within the period of January-June and the second volume is published within the period of July-December. The Peer-review process is online based using the OJS portal. Focus and Scope The Journal of Civil Engineering (JCE) publish scientific article which is specific for civil engineering. JCE article must be written either in Indonesian or English languages. The focus and scope of the journal are: 1. Structures (High-Rise Building, Bridges, Long-Span Bridges) 2. Materials (Concrete, Steel, Fiber-Reinforced Concrete, Composites) 3. Hydraulics and Hydrology 4. Geotechnics (Foundation, Embankment Stability) 5. Construction Management 6. Transportations (Highways, Trains, etc.) 7. Green Buildings and Architectures
Arjuna Subject : Teknik (semua kategori) - Bangunan dan Konstruksi
Articles 337 Documents
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Kajian metode penentuan kekuatan momen retak tiang pancang spun pile Candra Irawan; I Gusti Putu Raka; Priyo Suprobo
Journal of Civil Engineering Vol. 35 No. 1 (2020)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v35i1.7433

Abstract

This paper describes the results of a study carried out experimentally on the determination of the moment strength ofspun pile piles. The methods used are visual observation, load-displacement curve evaluation, and tensile strain analysis. Theexperimental results show that a load of data taken is delayed between 3 and 9 % compared to the results based on loaddisplacement curve. Analysis results from the load-deflection curve is similar to the tensile strain reading in the PC bar. Atcrack, there exist a sudden jump in the tensile strain of the PC bar where at the same time the stiffness of the load-deflectioncurve was changed.
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 (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.7435

Abstract

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 plasticityfracture model which is restraint sensitive, utilize a non-constant plastic dilation rate, and is able to simulate the plasticvolumetric compaction of concrete core under high confining pressure. For validation of the models, two available specimensfrom the literature are used in the validations. Excellent agreement between the numerical models and the available test resultsare obtained in this study. A detailed investigation on the confinement effectiveness of both external and internal confiningdevices are presented and discussed. This discussion of the confinement effectiveness is important to be included in the designformula.
TRANSCRITICAL FLOW SIMULATION USING SHALLOW WATER EQUATION MODEL Satria Damarnegara; Rheszha Pahlavi Ali; Mohamad Bagus Ansori
Journal of Civil Engineering Vol. 34 No. 2 (2019)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.7437

Abstract

This paper shows the capabilities of DELFT3D-FLOW shallow water equation solver on transcritical flow. Two gridconfigurations are tested using a shock capturing numerical schemes that available on the solver. The simulation shows a goodagreement with the analytical solution and proper grid resolution is needed to obtain a stable result. Implemented a shockcapturing schemes is found to be critical to obtain a stable result. The model then used to simulate a real scale spillway chutechannel of Logung Dam in Kudus-Central Java. The model could properly simulate the hydraulic jump, calculate the Froudenumber and stilling basin performance.
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 (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.7440

Abstract

This paper describes an attempt to predict the flexural response of a reinforced concrete (RC) beam using nonlinearfinite element analysis. To facilitate direct comparison, the beam was tested experimentally under four-point bending with theload 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 theclassical orthotropic smeared crack formulation and crack band model. The applicability of this model was demonstratedthrough detailed simulation of RC beam with identical geometry, reinforcement arrangement, and material properties. Fromthis 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 andrebar elements which can, therefore, be associated with the predicted crack bands.
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 (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.7442

Abstract

Injection piling method was used as the main pile driving method at the three warehouses in the Eastkal Penajamproject, Kalimantan, Indonesia. The sub-soil compositions are dominated by clay and sandy soil with very soft to mediumconsistencies. 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-injectedagain 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 wascarried out. The results from PDA test were further analyzed by using both direct fields reading in the PDA data logger and theCase Pile Wave Analysis Program (CAPWAP). A linear regression analysis was carried out to complete the blank data due tothe field measurement limitation. In addition to the obtained field data, theoretical analysis of pile bearing capacity with LucianoDecourt method is carried out. From the comparisons of all data, it can be concluded that re-injection pile method provides thehighest safety factor followed by PDA test, CAPWAP analysis, and theoretical design calculation with Luciano Decourt method.
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 (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v34i2.7445

Abstract

Diffusion is one of the the main mechanisms of fluid ingress into the concrete. However, in partially saturatedconcrete, the fluid will mainly be absorbed by the capillary suction mechanism, which associates with the sorptivity propertiesof the concrete. This paper presents the results of an experimental program to investigate the influence of Portland cementsubstitution with Silica Fume (SF) and Type F Fly Ash (FA) on the rate of absorption, which also known as sorptivity, andchloride penetration of concrete. The sorptivity of the concrete was evaluated according to ASTM 1585, while the chloridepenetration was evaluated according to ASTM C 1202. By substituting part of cement with FA and SF, it was found that thesorptivity of concrete is reduced. Furthermore, all type of concrete with supplementary material, including CFA, CSF andCSM, is confirmed to enhance the ability of concrete to resist chloride penetration compared yo normal concrete (NC).
Behavior of Prestressed Concrete Beam using Reactive Powder Concrete Ignatius H. Sumartono; Heru Purnomo; Sidiq Purnomo; Feryandy Murdono
Journal of Civil Engineering Vol. 38 No. 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v38i03.7451

Abstract

The behavior of prestress pretension beams made of Reactive Powder Concrete (RPC) concrete with compressive strength above 120 MPa included in the Ultra High Performance Concrete (UHPC) classification was investigated to study the mechanical properties of concrete and the performance of prestressed beams against static load tests. The mechanical properties of RPC materials include concrete compressive strength, concrete tensile strength, concrete elastic modulus values and concrete density compared to 70 MPa High Strength Concrete (HSC) concrete. Curing concrete at an early age using high temperature hot steam (steam curing) ensures the development of the compressive strength of concrete. Experimental tests were carried out on 4 pretension beams designed to be used as highway bridge beams, namely beam #1 (30/50-HSC-NF-S); beam #2 (30/50-RPC-F-S); beam #3 (17/50-RPC-NF-S); beam #4 (17/50-RPC-NF-S). The mechanical properties of RPC concrete show superior values compared to HSC concrete. From the results of the static test, only beam #3 (RPC beam which does not use steel fiber in mixing) which shows a value of flexural resistance below the theoretical value due to brittle destruction that occurs in the beam. Steel fiber effectively maintains beam integrity thereby maximizing bending resistance, preventing explosive brittle destruction, and preventing concrete fragmentation during peak loads.
An Experiment of Shear Strength Reinforced Geopolymer Concrete Beam Based High-Calcium Fly Ash with Varian Shear Span-to-Depth Ratio Moh. Safi’i Mansur; Priyo Suprobo; Yuyun Tajunnisa; Auliagitta Kumala Apsari
Journal of Civil Engineering Vol. 38 No. 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v38i03.7452

Abstract

This study discusses geopolymer-reinforced concrete beam's shear strength capacity by experimental observation using high-calcium fly ash as the main binder. This study observed the influence of shear span per effective depth ratio due to the geopolymer concrete beam's shear behavior and strength capacity. Two beams are designed to have diagonal tensile cracks; hence the shear failure state could be obtained. Each beam has similar properties by 150 mm in width, 250 mm in height, 1800 mm in length, 2D16 as the flexure bar reinforcement, and stirrups of Ø6-250 with 20 mm concrete cover. The research employed the four-point load bending testing with the load span difference of each beam, which will later be the study variable. The things sought in this study include the peak load-deflection curve, the shear capacity that occurs in geopolymer concrete beams, and the shear capacity comparison with ACI 318-19. The results of the tests that have been carried out show that type A geopolymer-reinforced concrete beam was more ductile than type B beams, with a percentage difference of about 21.49% in deflection. The shear strength at the ratio a/d of 2 was 115,04 kN, and the ratio a/d of 2.5 was 89,00 kN. As well as a comparison of the shear strength of the test results with calculations according to ACI 318-19 shows a ratio of 1.69. So it can be concluded that ACI 318-19 calculations were conservative.
Modelling of Reinforced Concrete Coupling Beams with Headed Bars: Verification and Parametric Studies Joshua F. Krisnajana; Asdam Tambusay; Benny Suryanto; Priyo Suprobo
Journal of Civil Engineering Vol. 38 No. 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v38i03.7454

Abstract

This paper explores the accuracy of nonlinear finite element procedures implemented in ATENA in predicting the load-deformation response of reinforced concrete coupling beams with headed bars under reversed cyclic loading. In this study, the coupling beam (incorporating headed bars) tested by Seo and co-workers in 2017 is analysed and its response at different lateral drifts is discussed. Parametric analyses, studying the influence of reinforcement layouts, are also presented. It is shown that the hysteresis loops of the coupling beam could be predicted accurately, along with the crack patterns at different stages of loading and failure mode. It is also shown that the omittance of headed bars resulted in more pronounced bond-slip effects and a more severe pinched response in the post-peak region, highlighting the importance of providing adequate headed reinforcement. A similar trend was observed in the coupling beam with the omittance of U-bars and horizontal transverse reinforcements, whereas the reduction of stirrups was found to increase the prominence of shear failure.
Behaviour of Synthetic Polymer-Modified Warm Mix Asphalt Under Oven Ageing Simulation Christian G. Daniel; Jack Widjajakusuma; Erik S. Setiawan
Journal of Civil Engineering Vol. 38 No. 3 (2023)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v38i03.7455

Abstract

This research evaluates the mechanical properties and fracture behaviour of ethylene-vinyl acetate (EVA) polymer-modified warm mix asphalt under the influence of ageing simulated through oven heating at 85oC in two different durations of 2 and 8 days. EVA contents of 4 - 6% of binder weight were employed, and the effect was measured through the semi-circular bending (SCB) test. Volumetric properties measurement showed negligible effect of polymer addition, with the difference in air void ratio ranging from 0.5% to 8% compared to the control mix. Meanwhile, the density and void in mineral aggregate (VMA) differed by a maximum of 2% compared with the control mixture. Moreover, the increase in the heating period was found to enhance the tensile strength, with a maximum difference of 81.72% exhibited by the mix with 0.5% EVA, corresponding to its tensile strength from the 8-day ageing conditioning by 28% larger than the control mix. Moreover, crack resistance and flexibility indexes (CRI and FI) were inversely proportional to the increase of polymer dosages for both 2- and 8-day aged specimens from being 20.5% and 52% to 6.4% and 18.3% larger than the control mixture, respectively, with the 8-day aged specimens having the CRI of 8% larger and FI of 8.7% smaller than the 2-day aged samples, indicating a brittle behaviour in respect to the ageing duration. Conclusively, the heating ageing simulation results in a brittle asphaltic mixture modified with EVA, displayed with higher strength and lower flexibility, particularly at 5% to 6% w/t.

Page 23 of 34 | Total Record : 337

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