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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 7 Documents
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Search results for , issue "Vol. 38 No. 3 (2023)" : 7 Documents clear
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.
Comparative Study of Conventional Cantilever Wall and Mechanically Stabilized Earth Wall for Slope Failure Remediation Johan P. H. Waskito; Danang S. Raharja
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.v38i03.7460

Abstract

Slope failure is caused by many factors, mainly high rainfall, especially in a tropical country like Indonesia. Many solutions have been expanded to do remediation of slope failure. However, establishing the best solution method is difficult because of many geotechnical challenges and different situations at the site. In addition, fast rate construction in line with a good quality of stability aspect is necessary to be attained. Therefore, a comparative study of two common solution methods, namely conventional cantilever wall and mechanically stabilized earth wall, was conducted to determine the best solution for slope failure remediation in the case studied. The analysis was performed by using a computer software program coded Geo5. A slope failure case in Bali was selected to investigate the performance of both studied methods in meeting all engineering criteria, including bearing capacity, internal stability (overturning and sliding), and global stability. The results show that mechanically stabilized earth wall gives more advantage not only in meeting all criteria but also in providing aesthetic concern and sustainable performance. On the other hand, conventional cantilever walls show a deficiency in global stability that will require pile foundation support or another reinforcement under the base plate, which will automatically increase construction time. The use of computer software will provide a more sophisticated analysis to examine various slope failure remediation methods to establish the most suitable solution for the specific sites. There is still expansive room to be researched in this area.
Evaluation of Discharge Calculation in Open Pit Mining Ivan Kurniawan; Satria Damarnegara; Nastasia Festy Margini
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.v38i03.7462

Abstract

This study presents the discharge calculation of open pit mining drainage system in open pit mine at PT Maruwai Coal, in Central Kalimantan. Several calculation methods are compared, including FJ Mock, HEC-HMS, and 2D HEC-RAS simulation. The open pit mine drainage system consists of sump storage with volume of 12.574 m3 and discharged using 0,22 m3/s pump. The loss method for HEC-HMS and HEC-RAS is modelled using Curve Number (CN) approach. CN value choice need to consider steep slope condition at the site. Storage elevation and pump operation at 10 rainfall event is observed and used as model validation. The calculation shows each method is capable to model the event reasonably well. The average run-off coefficient varies from 0.72 for FJ Mock and 0.63 for HEC HMS. However, FJ Mock method gives daily average value and may underestimate the run-off discharge. Indeed, HEC-HMS and HEC-RAS model is more suitable for flood modelling because of unsteady nature of the flow.
Remaining Life of Flexible Pavement at Pulang Pisau – Pangkoh Road, Central Kalimantan Siswoyo Siswoyo; Soerjandani P. Machmoed; Akbar B. K. Suharso
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.v38i03.7464

Abstract

The condition of the road pavement is an important aspect in terms of determining road maintenance and repair activities. In order to evaluate the condition of the road pavement, it is first necessary to determine the type of damage, the cause, and the extent of the damage that has occurred. Construction of a road that is not accompanied by good maintenance will cause various kinds of problems. Many district/city road pavements in Central Kalimantan have suffered damage as a result of repeated traffic loads, in line with increasing economic growth in these areas, including one of them on the Pulang Pisau – Pangkoh Road Section as far as ± 57.5 Km which is located in Pulang Pisau Regency, Central Kalimantan Province. So that on this road research will be carried out on the remaining existing road services to be able to provide alternative solutions for handling existing road problems and also budget plans. The method used in this study is using a FWD (Falling Weight Deflextometer) to determine the condition of the road structure. In addition, to find out how to handle it, this study used the 2017 Pavement Design Manual. Comprehensive road survey vehicles typically consist of a FWD mounted on a heavy truck together with a ground-penetrating radar and impact attenuator. The results obtained from this study are the remaining life of the Pulang Pisau – Pangkoh road section of 17% x UR (about 3-4 years). For its handling, it uses a flexible pavement overlay which was previously covered with selected fill and requires a cost of Rp. 243.905.730.000,- or Rp. 6.097.643.250,- per Km.

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