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Program Studi Teknik Sipil Universitas Atma Jaya Yogyakarta Jl.Babarsari No.44 Yogyakarta
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Jurnal Teknik Sipil
Published by Universitas Atma Jaya Yogyakarta
ISSN : 1411660X     EISSN : 25492918     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Transportation
Jurnal Teknik Sipil adalah wadah informasi bidang Teknik Sipil berupa hasil penelitian, studi kepustakaan maupun tulisan ilmiah terkait. Terbit pertama kali Oktober tahun 2000. Frekuensi terbit dua kali setahun pada bulan April dan Oktober. (ISSN 1411-660X).
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 8 Documents
 1 
Search results for , issue "Vol. 17 No. 2 (2023)" : 8 Documents clear
PENGARUH RENCANA PENINGKATAN VOLUME TAMPUNGAN TERHADAP STABILITAS TUBUH BENDUNGAN KEDUNG OMBO Gerald Guntur Pandapotan Siregar
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.5881

Abstract

The strategy to meet the water demands of Semarang and Demak Regencies involves enhancing the storage capacity of the Kedung Ombo Dam. This augmentation will inevitably alter the typical water level, thereby affecting the stability of the dam structure as it bears a greater load. Furthermore, the Kedung Ombo Dam, which is nearly 32 years old, necessitates re-evaluation since it lacks the full benefit of contemporary design methods. This study is confined to examining the slope stability, both static and pseudostatic, at a steady state flow, with the highest normal water level elevation (elevation +92.00) as the focal point. The slope stability analysis was conducted via the finite element method using the Slope/W in Geo-Studio software. The outcome of the static slope stability analysis indicates that the safety factor of the Kedung Ombo Dam body remains above the minimum allowable safety factor. In the pseudostatic analysis, the safety factor during the Operating Basic Earthquake (OBE) remains above the minimum allowable safety factor. However, during the Maximum Design Earthquake (MDE), the safety factor demonstrates a value that is lower than the minimum allowable safety factor. Nevertheless, the analysis of fixed displacement or permanent deformation reveals that the maximum settlement that occurs during the MDE earthquake does not exceed 50% of the available freeboard.
NUMERICAL MODELING OF APPLIED NEAR-SURFACE MOUNTED ON REINFORCEMENT SLAB WITH ABAQUS CAE Irkhas Bayu Faveryan; Andreas Triwiyono; Suprapto Siswosukarto
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6183

Abstract

Reinforced concrete (RC) is the most applied material in modern construction. Research on strengthening RC concrete members has also been widely carried out. Over time, concrete elements might deteriorate due to several factors, such as load, creep, or any other environmental aspects, leading to stiffness or strength reduction. Following the rapid development of studies on RC, the development of strengthening of concrete structure Reinforced Polymer (FRP) is also the case to overcome concrete deterioration. To improve the strength capacity of the concrete beams, Ega (2020) investigated the effect of epoxy adhesive length on the bonding strength of rebar using several laboratory tests. The result of the study yielded that the optimum length for the epoxy was 150 mm with a strength increase of up to 165.3%. The laboratory tests were modeled numerically using Abaqus CAE to simulate the behavior of the RC beam. Investigating the ideal mesh size and crack model behavior was the first stage of modeling. An RC beam previously experimentally tested by Ega (2020) was used for validation. Therefore, this research compares the numerical results from the Abaqus simulation with experimental data results. The specimen tested for this research was a concrete beam of 1200 mm x 450 mm x 120 mm subjected to 3-point loading. This study aims to develop a suitable numerical model for one of the tested beams and facilitate the design of NSM that follows the character of the previous research.
PENGARUH KADAR CALCIUM SULFOALUMINATE SEBAGAI SUBSTITUSI SEMEN TERHADAP PROPERTI SEGAR, MENGERAS, DAN DURABILITAS MORTAR Yudhi Noer Cahya Wijayadi; Herry Suryadi Djayaprabha
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6370

Abstract

Due to the apprehension about global warming caused by extensive carbon dioxide (CO2) emissions, the construction industry is striving to develop alternate composite cement. Calcium sulfoaluminate (CSA) cement has been utilized since it consumes less energy and discharges less CO2 during production in comparison to Ordinary Portland Cement (OPC). CSA cement has gained popularity due to its exceptional abilities like rapid setting, high strength, and durability. In construction materials, CSA has been extensively used as a substitute binder, either partially or entirely replacing OPC. This research involved the partial substitute of OPC with CSA in varying amounts of 0%, 12.5%, 25%, 37.5%, and 50% while maintaining a fixed water-to-binder ratio of 0.4 for mortar production. The study aimed to explore the fresh properties, hardened properties, and durability of mortar. The results indicated that the optimal CSA proportion of 12.5% exhibited in compressive strength of 36.70 MPa and flexural strength of 7.36 MPa at 28 days. Furthermore, the results revealed that the CSA proportion of 12.5% displayed satisfactory durability-related properties at 28 days with a drying shrinkage value of 640 mm/m, ultrasonic pulse velocity of 4274 m/s, and a sorptivity coefficient of 5.46×10-4 mm/s1/2.
PEMANFAATAN BUILDING INFORMATION MODELLING (BIM) PADA PERANCANGAN STRUKTUR BAJA TERHADAP BEBAN GEMPA Pinta Astuti; Rangga Kurnianto; Surya Dewi Puspitasari
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6371

Abstract

This study focuses on designing the steel structure construction toward earthquake load, which uses Istana Qur’an as a research object. Modeling and designing the steel structural building by using two different software, SAP2000, and Tekla Structure. In the making process, the authors made presumptions on workload according to Indonesian Design Standards such as minimum design loads, seismic load design, seismic load for steel structure design, and joints in steel structure. Not only from a structural strength view for human safety but also the construction time and material cost are also able to be estimated which is becoming faster and more affordable compared to implementing the conventional method. As a full analysis result, in this steel design, there are six different steel profiles were used for steel building construction. For instance, IWF 440.300.11.18 as the column, IWF 350.175.7.11 and IWF 250.125.6.9 as the beams, IWF 200.100.5,5.8 as the gable roof frame, UNP 150.75.9.12,5 as purlin and L 150.150.15 as collar tie.
ANALISIS ESTIMASI BIAYA PERAWATAN BANGUNAN GEDUNG DI UNIVERSITAS PALANGKA RAYA Pia Inez Devina; Rudi Waluyo; Veronika Happy Puspasari
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6407

Abstract

Building holds significant importance for the college to facilitate learning activities. Over time, buildings deteriorate and require regular maintenance to ensure their functionality and reliability. The aim of this study is to identify the type of damage, determine the percentage of damage to building components, and estimate the cost of maintenance for the buildings at Universitas Palangka Raya. Data collection involves conducting surveys and documentation. The analysis includes identifying damage to building components, calculating the volume of damage and total volume of building components, determining the percentage of damaged building components, and analyzing the cost of maintenance. The study reveals that out of 12 buildings at Universitas Palangka Raya, 13 types of architectural damage were found in various building sub-components. These include 0.526% of loose roof covering, 3.597% of fragile/eroded ceiling frame, 3.118% of fragile/damaged ceiling, 3.688% of the loose panel, 1.837% of cracked aluminum window glass, 58.594% of lost and damaged wooden door, 43.403% of lost and damaged planting key, 23.750% of the lost hinge, 3.725% of broken and cracked ceramic floor covering, 100% of cracked and loose concrete floor covering, 100% of rusty roof construction, and 0.769% of loose column pole cover sub-components. The total cost of maintenance is estimated to be IDR 207,463,000.
PEMANFAATAN LIMBAH MASKER SEKALI PAKAI SEBAGAI BAHAN PENGGANTI ASPAL TERHADAP NILAI STABILITAS DAN FLOW Mutiara Permata Puspita Dewi; Wike Andaresta Elsa Putri; Pricillia Kurniawan; Bella Koes Paulina Cantik
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.6913

Abstract

During the COVID-19 pandemic, it is essential to adhere to health protocols, one of which includes the use of a disposable mask for personal protection. However, the widespread use of single-use masks has resulted in a new problem, which is the accumulation of mask waste. Therefore, it is necessary to find a solution to reduce the amount of mask waste. One innovative solution to this problem is the utilization of masks in the infrastructure sector. Masks made of polypropylene are advantageous as they act as a good binder. By incorporating an appropriate percentage of mask waste, it is possible to produce bitumen with good parameters. This study aims to evaluate the stability and flow parameters of bitumen mixtures by substituting bitumen with 3-ply disposable mask waste. Experimental testing was conducted by replacing bitumen with mask waste at percentages of 0.5%, 0.75%, 1%, 1.5%, and 2%. The hot mix method was used to mix asphalt with the waste masks at a temperature of 150oC. Sensitivity analysis was performed to determine the impact of the percentage of mask waste on the stability and flow assessment parameters using the Marshall Test. The results of this study indicate that an increase in the percentage of mask waste leads to a sensitive response in the stability and flow values. The optimum percentage of mask waste for the mixture was found to be 1.50%, resulting in stability and flow values of 1020.36 kg and 4 mm, respectively.
EFEKTIVITAS ANGKUR EPOKSI TERHADAP KEKANGAN EKSTERNAL BALOK BETON BERTULANG DENGAN PERKUATAN CFRP Dinar Gumilang Jati; Junaedi Utomo; Felix Adi Tanudjaja; Han Ay Lie
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.7021

Abstract

Externally Bonded Carbon Fiber Reinforced Polymer (EB-CFRP) with U-wrap is one of the alternative external strengthening of modern reinforced concrete beams, which has been proven effective in significantly increasing flexural and deformation capacities. Although quite effective in increasing the structural capacity, external reinforcement needs to be studied further about its failure behavior, the avoided failure is called debonding, an interface bond failure between the FRP composite material and the concrete material. Epoxy has a fairly high material resistance, but its use as a reinforcing composite bonding material needs further investigation. Adding epoxy anchors at the ends of CFRP can mobilize the tensile strength in CFRP, eliminating or delaying debonding failure. Epoxy anchors (epoxy-filled grooves) are expected to be effective and flexible for application to various forms of components of reinforced concrete structures that have been reinforced with EB-CFRP. Currently, there are no standards and guidelines for applying FRP anchors. However, research has been conducted on the failure pattern of FRP anchors with U-style wrapping which can avoid debonding so that failure with FRP rupture can be achieved. This study examines the effectiveness of epoxy anchorage in improving the external strengthening of reinforced concrete beams with EB-CFRP reinforcement. The behavior of epoxy anchors in reinforced concrete beams with EB-CFRP will be investigated through experimental tests.  
IMPLEMENTASI PROTOKOL PENCEGAHAN PENYEBARAN COVID-19 PADA PROYEK KONSTRUKSI JALAN Angelina Eva Lianasari; Soandrijanie Linggo
Jurnal Teknik Sipil Vol. 17 No. 2 (2023)
Publisher : Program Studi Teknik Sipil Fakultas Teknik Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jts.v17i2.7035

Abstract

The ongoing COVID-19 pandemic is yet to be resolved, and according to epidemiologists, a third wave of the outbreak was expected to occur in February–March 2022. During August–September 2022, the rate of daily COVID-19 exposure in Indonesia remained high. The Indonesian Doctors Association (PB IDI) reported a 36-fold increase in COVID-19 cases in Indonesia, from 107 cases in early May 2022 to 3,949 cases daily. Yogyakarta is the sixth most affected province in Indonesia in terms of COVID-19 exposure. Therefore, it is crucial to examine the implementation of COVID-19 Occupational Health and Safety (OHS) practices in construction projects, specifically in the case of road construction. The Planjan-Baron-Tepus Road and Jogja-Bawen Toll Road are the projects selected for data collection, using observational methods and purposive sampling. Occupational Health and Safety is part of the company's management system, which aims to manage work activity risks and create a safe, efficient, and productive workplace. The survey results indicate that the instrument used is reliable and valid. The management has effectively implemented and communicated COVID-19 prevention measures, and the construction workers are satisfied. The workers show high motivation, awareness, and knowledge in reducing the spread of COVID-19. The workers in Planjan-Baron-Tepus Road construction strictly adhere to personal health protocols in their daily behavior. However, workers in Jogja-Bawen toll road construction are less obedient and require further motivation to be classified as highly obedient.

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