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Teknik Sipil dan Arsitektur
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Articles 410 Documents
ANALISIS KARAKTERISTIK FISIK MATERIAL AGREGAT KASAR (SPLIT 2–3 WATURAPA) DAN AGREGAT HALUS (PASIR EX. RORAYA) KABUPATEN KONAWE SELATAN Saharudin; Romy Suryaningrat Edwin; La Ode Muhamad Nurrakhmad Arsyad; La One; Asrullah Tondasi
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6024

Abstract

Concrete represents a composite material used in construction, made up of aggregates and binders. Aggregates are divided into fine and coarse categories, with cement serving as the key binder. These aggregates are combined with cement, water, and additives to create concrete. Coarse aggregates are vital for the final concrete quality, influencing density and strength through particle size and gradation variations. This research explores the physical traits of coarse aggregates (2–3 cm split from Waturapa) and fine aggregates (sand from Roraya), both from South Konawe Regency, Southeast Sulawesi. The goal is to evaluate their physical features for concrete use. Methods involve sieve analysis, specific gravity and water absorption tests, mud content via No. 200 sieve, moisture levels, bulk density, and Los Angeles abrasion. Results for coarse aggregates indicate standard-compliant sieve analysis, specific gravity of 2.39, mud content 0.52%, moisture 3.25%, bulk density 1.26 g/cm³, fineness modulus 8.93, absorption 1.13%, and abrasion 31.74%. Fine aggregates show medium zone sieve analysis, specific gravity 2.55, mud content 1.06%, moisture 1.38%, bulk density 1.76 g/cm³, fineness modulus 4.20, and absorption 1.13%. Both meet Indonesian National Standards, with coarse aggregates providing rough texture for strength and fine ones ensuring good gradation for workability. This underscores local materials' role as sustainable construction resources. Keyword: aggregate, characteristics, concrete, abrasion
PENGARUH PENAMBAHAN SERAT POLYPROPYLENE TERHADAP KUAT TEKAN BETON DENGAN AGREGAT KASAR BETON BEKAS Wibowo, Rendi Gusta; Rohman, Rosyid Kholilur; Suweno, Hery
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6043

Abstract

Concrete is the most widely used construction material, but the continued use of natural aggregates has led to increased exploitation of natural resources. The use of recycled concrete aggregate (RCA) is an alternative to support the concept of sustainable construction. On the other hand, the addition of polypropylene fiber (PPF) is known to improve crack resistance and mechanical properties of concrete. This study aims to determine the effect of variations in polypropylene fiber (PPF) on the compressive strength of concrete with recycled concrete coarse aggregate. The proportion of recycled concrete aggregate is 50% of natural aggregate. The fiber variations used are 0%, 0.25%, 0.5%, 0.75%, and 1% of the concrete volume. Cylindrical test specimens were tested according to SNI standards. The results showed that the addition of fiber reduced the slump value, from 96 mm (0%) to 78 mm (1%). Compressive strength increased with increasing proportion of polypropylene fiber. The optimum content was at 0.5% polypropylene fiber, which provided the most effective strength increase. The use of RCA as a coarse aggregate remains feasible, and the addition of polypropylene fiber has been shown to increase the compressive strength of concrete so that it can be used in structural work.
ANALISIS KINERJA PELAYANAN PELABUHAN NUSANTARA RAHA KABUPATEN MUNA Muh. Anando Kolawano; Romy Suryaningrat Edwin; La Ode Muhamad Nurrakhmad Arsyad; Muhammad Thahir Azikin; Adris Ade Putra; Asrullah Tondasi
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6048

Abstract

Nusantara Raha Port is a port located in Raha City, Muna Regency, Southeast Sulawesi. Nusantara ports are one of the strategic and most important aspects for various economic and government activities in advancing the regional economy and development. Services at Nusantara Raha Port must be improved to continue supporting transportation activities and increasing user satisfaction. This study aims to understand the service quality of the port at Nusantara Raha Port based on user perceptions. The analysis was conducted through the calculation of CSI (Customer Satisfaction Index) and IPA (Importance Performance Analysis). The study results obtained a user satisfaction level or CSI weight at Nusantara Raha Port for 23 service aspects valued at 73% and classified as satisfied. The study results using the IPA method have a mapping of the average weight of service attributes divided into several quadrants with details, namely in Quadrant I as many as 7 attributes where the level of importance is high and the performance level is low, for Quadrant II as many as 7 attributes with high importance and high performance, for Quadrant III as many as 6 attributes where importance is low and performance is also low, and for Quadrant IV as many as 3 attributes where importance is low while performance is high. Based on the service performance of Nusantara Raha Port analyzed using the IPA method, the results show a performance of 3.66 and importance of 4.23, which meets the scale criteria with the category of good and important. Keywords : Nusantara Raha Port, Service Satisfaction, Interest Performance Analysis, Customer Satisfaction Index.
ANALISIS KONDISI PERKERASAN JALAN MENGGUNAKAN METODE PCI PADA JALAN RAYA SIBANG KAJA, KABUPATEN BADUNG Wibawa, I Putu Chandra; Ariawan, I Made Agus; Thanaya, I Nyoman Arya; Sariantini, Ni Wayan
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6080

Abstract

Road pavement condition is an important factor in supporting the safety, comfort, and smoothness of traffic, particularly during high traffic activity and volume, such as on the Sibang Kaja Highway in Badung Regency. As pavement service life increases and traffic load on the road infrastructure increases, various types of pavement damage on the surface begin to appear, potentially reducing the functional performance of the road. This study aims to analyze the pavement condition of Sibang Kaja Highway using the Pavement Condition Index (PCI) method and to provide recommendations for road maintenance management based on the level of damage. The research method used the PCI method through a visual field survey to identify the type, severity, and extent of pavement damage, which were then analyzed to obtain PCI values for each sample unit and road segment. The analysis results show that the dominant types of damage include alligator cracks, block cracks, patches, and raveling, with PCI values across segments ranging from poor to satisfactory. The average PCI value of 56.72 for each segment indicates that the pavement condition is in the fair category, indicating that the pavement is still functional but has experienced a decline in performance. Based on the percentage of damaged area, a combination of routine, periodic, and rehabilitation programs is recommended for specific segments. This research provides a basis for decision-making in prioritizing road maintenance and rehabilitation.
ANALISIS MANAJEMEN RISIKO WAKTU DAN KEMAJUAN PADA PROYEK KONSTRUKSI PEMASANGAN BAJA PEB VIETNAM (PRE-ENGINEREERED BUILDING) GUDANG PT GOLDEN INOVASI INDONESIA DI KAWASAN INDUSTRI KENDAL Rahman, Dedy Nur Rahman; Santosa, F. Rooslan Edy; Lesmana, Diyan
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6131

Abstract

Construction projects using the Pre-Engineered Building (PEB) system have a high dependency on prefabrication processes and international supply chains, making them vulnerable to uncertainties in project duration and work progress. Previous studies indicate that delays in PEB projects are commonly caused by logistical risks, overseas fabrication delays, and external factors such as weather conditions. However, deterministic scheduling approaches that are still widely applied are considered insufficient to comprehensively represent project duration uncertainty. This study aims to identify and analyze time-related risks affecting the progress of a construction project involving the installation of Vietnam-imported PEB steel structures at the warehouse of PT Golden Inovasi Indonesia in the Kendal Industrial Area. In addition, this study seeks to determine dominant risks, analyze the project’s critical path, and evaluate the effectiveness of mitigation and acceleration strategies in reducing project duration. A quantitative research approach was employed using both primary and secondary data. Risk identification and assessment were conducted through expert judgment using the Analytical Hierarchy Process (AHP) and Failure Mode and Effect Analysis (FMEA). Project scheduling analysis was performed using the Critical Path Method (CPM), while duration uncertainty was analyzed using Monte Carlo simulation to obtain probabilistic project duration estimates. The results indicate that the initial project duration based on CPM was 147 days, with the critical path occurring in the stages of design finalization, PEB steel fabrication in Vietnam, international delivery, and erection works. Dominant risks included delays in steel fabrication and material delivery, schedule discrepancies with site conditions, and extreme weather. The implementation of mitigation and acceleration strategies on critical activities reduced the project duration to 120 days, representing a time reduction of 27 days (18.37%). Monte Carlo simulation results demonstrate an increased level of project completion reliability after mitigation measures were applied
IDENTIFIKASI UNSAFE ACTION PEKERJA KONSTRUKSI GEDUNG: PERSPEKTIF MANAJEMEN PROYEK PT ‘X’ BUMN JASA KONSTRUKSI Bagyo, Markus Abu; Iris Mahani; Ima Fatima
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6138

Abstract

The high-rise building construction industry is characterized by a high risk of occupational accidents, where unsafe actions are the dominant cause of incidents. This study aims to identify the most frequent unsafe actions occurring in PT “X” (a state-owned enterprise) building projects to support effective prevention strategies. The research method includes a literature review, validation of indicators by five construction safety experts, development of a Likert-scale questionnaire, data collection from 119 project management respondents via Google Forms, and descriptive analysis combined with a focus group discussion (FGD) to determine intervention priorities. Validity and reliability tests confirmed that the research instrument is appropriate, with Cronbach’s Alpha values ranging from 0.769 to 0.927. Descriptive statistical analysis revealed the three highest-risk behaviors: working while smoking (mean 2.857), storing materials in inappropriate locations (mean 2.832), and improper or incomplete use of personal protective equipment (mean 2.630). Through the FGD, seven unsafe actions were identified as top priorities for intervention, including working in haste, forcing work under unfit physical and mental conditions, and relying on personal work methods that disregard standard procedures. The study concludes that controlling worker behavior through strengthening safety culture, consistent implementation of procedures, effective supervision, and continuous training is essential. These findings are expected to serve as a foundation for developing targeted intervention strategies to reduce accident rates in building construction projects.
ANALISIS STRUKTUR ATAS GEDUNG 11 LANTAI DENGAN SISTEM RANGKA PEMIKUL MOMEN KHUSUS MENGGUNAKAN ETABS V22 : (Studi kasus : Pembangunan Gedung Onkologi RSUP Dr. Soeradji Tirtonegoro, Klaten, Jawa Tengah – Program Magang MBKM 2-2025) Ramadhani, Ananda Ivan; Setioningsih, Retnowati; Zulaicha, Lilis
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6153

Abstract

The construction of the Oncology Service Center Building of RSUP Dr. Soeradji Tirtonegoro Klaten is motivated by the need to improve access, quality, and capacity of cancer healthcare services in Central Java through the provision of modern and integrated facilities as a comprehensive oncology referral center for diagnosis, therapy, and patient care. The building is designed as an 11-story structure employing a reinforced concrete moment-resisting frame system combined with shear walls as the primary lateral load–resisting elements, and utilizing a Special Moment Resisting Frame (SMRF) system to achieve high ductility and adequate seismic resistance, considering that Klaten is located in a seismically active region. This study aims to analyze the superstructure of the building using ETABS V22 in accordance with SNI 1726:2019 for seismic design, SNI 1727:2020 for minimum design loads, and SNI 2847:2019 for structural concrete requirements. The structural model includes columns, beams, and slabs, with gravity loads, wind loads, and seismic loads applied, where seismic actions are evaluated using the response spectrum method. The analysis results indicate that the internal forces, bending moments, shear forces, and axial forces in the structural elements remain within the design capacity limits. Furthermore, the evaluation of deflections and inter-story drift demonstrates compliance with the allowable limits, and the P–Delta effects are found to be within acceptable ranges. Overall, the structural system satisfies the requirements for strength, stiffness, global stability, and seismic performance in accordance with the applicable design standards.
KUAT LENTUR MORTAR BERSERAT DENGAN MEMANFAATKAN LIMBAH BATA MERAH SEBAGAI SUBSTITUSI SEMEN Kurniadi, Edi; Kurniawan, Agus; Himawan, Lava; Pratiwi, Nursifa Maulidini Rahma
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6216

Abstract

The increase in infrastructure development activity in Indonesia has directly impacted the rising demand for construction materials, including red bricks. The red brick production process generates significant residue, where a single firing cycle can result in approximately 300 pieces of waste bricks, equivalent to 1.2% of total production. To provide an environmentally friendly solution, red brick waste is utilized as a partial substitute for cement in mortar production, along with the addition of roving fibers to enhance flexural strength performance. This study aims to examine the utilization of red brick waste as a cement substitute in mortar combined with the addition of roving fibers and its effect on flexural strength. The research employed a quantitative experimental method at the Building Materials Laboratory, Department of Civil Engineering, Vocational School, Universitas Gadjah Mada. The study utilized cement-to-sand mix ratios of 1:2, 1:3, 1:4, 1:5, and 1:6, with Portland cement substitution variations using red brick powder at 0%, 2.5%, 5%, 7.5%, and 10%. Roving fibers, cut to a length of 1 cm, were added at 2% by weight of cement. The specimens consisted of mortar beams with dimensions of 40x40x160 mm, tested at 28 days of age. The results indicated that for non-fiber mortar, the highest flexural strength was achieved at a 1:2 ratio with 0% substitution, reaching 4.62 MPa. The maximum flexural strength was recorded at a 1:2 ratio with 2.5% red brick waste substitution and 2% roving fibers, measuring 5.13 MPa. Significantly, the addition of roving fibers improved mortar performance. A 20.7% increase in flexural strength was observed at the 1:2 ratio with 2% roving fibers and 2.5% cement substitution when compared to the mortar with 2.5% cement substitution without fibers, demonstrating the effectiveness of red brick waste and roving fibers as sustainable alternative materials.
EVALUASI RUANG PARKIR MITRA 10 KENDARI La One; Ridwan Syah Nuhun; La Ode Muh. Akbar Yasin; La Welendo; Tapsil; Zaitun Andarwan
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6234

Abstract

Parking facilities are an important element in supporting visitor activities in the trade center. Mitra 10 Kendari as a relatively new building materials store needs to be evaluated to find out the characteristics of parking and the adequacy of parking space in existing conditions and future projections. This study aims to evaluate the characteristics of parking and parking space needs in Mitra 10 Kendari for the next 10 years and 20 years. The research was conducted through a three-day direct parking survey, namely Friday, Saturday, and Sunday. The data analyzed includes parking accumulation, parking duration, parking turnover rate, parking capacity, and parking index, as well as forecasting parking needs based on existing conditions. The results of the analysis show that in the existing conditions, the parking capacity of Mitra 10 Kendari is still adequate with the availability of 87 SRPs for four-wheeled vehicles and 25 SRPs for two-wheeled vehicles as well as the parking index value below one (IP < 1). However, the projection results show that in the next 10 years the need for parking is estimated to reach 40 four-wheelers and 44 two-wheelers, and in the next 20 years it will increase to 76 four-wheelers and 83 two-wheelers. The parking needs of two-wheeled vehicles are estimated to be unable to be accommodated by existing parking facilities, so additional parking spaces are needed in the future.
MICROSIMULASI OPTIMASI PENGATURAN SIMPANG DEKAT KAWASAN PASAR KULINER KOTA PADANG PANJANG Fisabilillah, Muhammad; Yosritzal, Yosritzal; Putri, Elsa Eka
Jurnal Teknik Sipil dan Arsitektur Vol 31 No 2 (2026): Jurnal Teknik Sipil dan Arsitektur
Publisher : Fakultas Teknik Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/jtsa.v31i2.6258

Abstract

Kemacetan di kawasan Pasar Kuliner Kota Padang Panjang kerap terjadi akibat hambatan samping seperti parkir di bahu jalan serta aktivitas pertokoan dan pasar yang mengurangi lebar jalan efektif. Penelitian ini bertujuan mengoptimalkan kinerja simpang di sekitar kawasan tersebut melalui pendekatan mikrosimulasi menggunakan perangkat lunak PTV Vissim. Data yang dianalisis meliputi geometri jalan, volume lalu lintas, kecepatan kendaraan, dan siklus lampu lalu lintas. Model simulasi dikalibrasi dan divalidasi dengan uji Geoffrey E. Havers (GEH) untuk memastikan kesesuaian dengan kondisi lapangan. Tiga skenario optimasi diuji, yaitu: (1) penghapusan parkir on street dan penambahan road barrier, (2) penerapan sistem satu arah (One Way) dengan penghapusan parkir on street, serta (3) kombinasi sistem One Way, penghapusan parkir on street, dan penerapan satu arah pada ruas Jl. Abdul Muis. Hasil analisis menunjukkan bahwa Skenario 3 menghasilkan kinerja lalu lintas paling optimal dengan penurunan panjang antrean dan tundaan secara signifikan, serta peningkatan tingkat pelayanan (LOS) menjadi kategori A dan B. Temuan ini menegaskan bahwa mikrosimulasi berbasis PTV Vissim merupakan metode yang efektif untuk menganalisis dan mengoptimalkan pengaturan simpang dalam meningkatkan efisiensi arus lalu lintas kawasan perkotaan. Berdasarkan hasil temuan tersebut, penelitian ini merekomendasikan Skenario 3 sebagai solusi teknis bagi Pemerintah Kota Padang Panjang untuk meningkatkan efisiensi dan kelancaran arus lalu lintas di kawasan pasar kuliner.

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