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All Journal Jurnal Tekno Insentif Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS Journal of Civil Engineering and Planning (JCEP) Jurnal Teknik Sipil Cendekia (JTSC) CRANE: Civil Engineering Research Journal Jurnal Teknik Sipil
Y. Djoko Setiyarto
Program Studi Teknik Sipil, Universitas Komputer Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Engineering Medicine & Pharmacology Social Sciences Transportation

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Pengaruh Kecepatan Pengujian Terhadap Hasil Uji Tarik Pelat Baja Y Djoko Setiyarto
Jurnal Teknik Sipil Vol 7 No 2 (2011): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v7i2.1346

Abstract

Kegiatan eksperimental uji tarik merupakan salah satu bagian dari kegiatan penelitian yang wajibdilakukan untuk mengetahui properti material. Tulisan berikut tidak hanya memaparkan hasil ujitarik pelat baja, namun juga membahas masalah jenis dan besaran kecepatan pengujian yangkadang harus diambil keputusan penggunaanya sebelum eksperimental dilakukan. Diketahuibahwa hasil eksperimental yang menggunakan kecepatan pengujian load control dan displacementcontrol adalah berbeda, meskipun besaran nilai properti yang dihasilkan hampir sama.
Perilaku Sambungan Sekrup (Self Drilling Screw) pada Sambungan Momen Sebidang untuk Struktur Baja Ringan Y Djoko Setiyarto
Jurnal Teknik Sipil Vol 8 No 1 (2012): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v8i1.1353

Abstract

Penggunaan sekrup sebagai pengencang sambungan momen pada struktur baja ringan umum dilakukan terutama untuk konstruksi atap. Berbeda dengan baut, mekanisme tumpu pada sekrup dapat disertai pula dengan mekanisme tarik yang menyebabkan sekrup tertarik keluar (pull-out) dari bidang sambungan, mengingat sekrup tidak menggunakan mur. Analisis desain yang disertai dengan kegiatan eksperimental berikut akan memaparkan tentang perilaku dan bentuk kehancuran (failure mode) pada sambungan momen struktur baja ringan yang menggunakan sekrup. Hasil eksperimental menunjukkan bahwa sebagian besar sekrup mengalami rotasi dan tertarik keluar bidang sambungan (pull-out) sehingga dapat menurunkan kekuatan sambungan. Diketahui pula bahwa sekrup yang memiliki eksentrisitas besar terhadap pusat sambungan dan berlokasi dekat dengan beban, akan berpotensi putus akibat besarnya gaya geser yang diterima.
TINJAUAN KEKUATAN BATAS LELEH LOKAL PADA BADAN BALOK BAJA WF Setiyarto, Y Djoko; Abduloh, Keisya Nairazzahra
CRANE: Civil Engineering Research Journal Vol 6 No 1 (2025): CRANE
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v6i1.15677

Abstract

Menurut AISC, kekuatan batas leleh lokal badan pada balok WF yang diakibatkan beban terpusat, dipengaruhi oleh panjang tumpu N dari pelat landasan, bukan lebar B. Beban terpusat tersebut didistribusikan ke badan balok dengan asumsi kemiringan sebesar 1: 2.5. Penelitian ini bertujuan untuk meninjau kemungkinan lebar pelat landasan B berpengaruh terhadap peningkatan kekuatan leleh lokal badan, serta asumsi kemiringan distribusi beban 1: 2.5 dapat dioptimalkan lebih lanjut. Metode penelitian dilakukan secara simulasi numerik dengan menggunakan software analisis elemen hingga (FEA), yang memodelkan baja WF di bawah pelat landasan sebagai elemen solid. Hasil FEA menunjukkan bahwa lebar B berpengaruh terhadap kekuatan leleh lokal badan, tetapi tidak signifikan. Distribusi beban juga dapat diusulkan dengan kemiringan 1:3.
ANALISIS KEKUATAN PEMASANGAN PIPA PVC (PRALON) DALAM KOLOM UNTUK SISTEM DRAINASE MENGGUNAKAN SOFTWARE SPCOLUMN Saputra, Raka Maulana; Prasetyo, Bagas; Y Djoko Setiyarto; Bagas Prasetyo
CRANE: Civil Engineering Research Journal Vol 6 No 2 (2025): CRANE
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v6i2.16522

Abstract

Innovations in modern building design encourage the integration of utility systems, such as rainwater drainage, into structural elements to improve space efficiency and aesthetics. This study aims to analyze the effect of embedding PVC (pralon) pipes as internal drainage channels on the strength and efficiency of reinforced concrete columns. A numerical analysis was carried out using the spColumn software on columns with dimensions of 350 × 600 mm, with variations in the number of 4-inch pipes (zero, one, two, and three). The results show that installing one, two, and three pipes gradually reduced the maximum compressive capacity of the column from 4100 kN to 3930 kN, 3790 kN, and 3650 kN, respectively. Despite this reduction, all column configurations were proven to be safe for sustaining the planned ultimate load of 368.72 kN. Interestingly, the structural–material efficiency of the column increased by up to 4.2% in the three-pipe configuration, as the reduction in concrete volume outweighed the decrease in capacity. It is concluded that the integration of PVC drainage pipes into columns offers a structurally safe, functional, and more material-efficient solution. These findings highlight the potential to reduce the need for external drainage channels, thereby improving spatial efficiency and lowering construction costs. Furthermore, integrating the drainage system into columns allows for cleaner, more minimalist façade designs without conventional piping interruptions, ultimately enhancing the aesthetic value and architectural competitiveness of the building.
ALIRAN GAYA PELAT TANGGA KE BALOK-KOLOM: KOMPARASI SKEMA FREE-STANDING VS BEARING DAN EVALUASI KAPASITAS PELAT TANGGA PADA BEBAN GRAVITASI Aulia, Gischa Sandrina; Abduloh, Keisya Nairazzahra; Setiyarto, Y Djoko
CRANE: Civil Engineering Research Journal Vol 6 No 2 (2025): CRANE
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v6i2.17844

Abstract

Construction sequence mismatches in stairwells often necessitate connecting stair slabs to the primary structure after it has already been erected. One practical on-site solution is the use of chemical anchors on the landing beam (edge beam), which interacts with the existing column. This study compares two behavioral schemes: (i) free-standing, where the stair slab spans between floor slabs without relying on the landing beam–column system; and (ii) bearing, where the slab edge rests on the landing beam anchored to the column. Numerical modeling was conducted using SAP2000, employing shell elements for the stair slab and link elements to represent joint stiffness. Gravity loads were defined according to SNI 1727:2020, while flexural–shear capacity evaluations of the slab followed SNI 2847:2019. The observed outputs included bending moment M11, shear V13, service deflection, link reactions, and local forces on the landing beam and column at the drilling zone. Comparative results show that the free-standing scheme reduces force transfer to the column but increases the demand on the stair slab; conversely, the bearing scheme decreases deflection and slab bending moments but raises anchor reactions and local column forces. In the case study, the design flexural capacity φMn of the slab approached but slightly fell below the demand Mu, while the serviceability deflection limit was satisfied. Therefore, the recommendation is conditional: the free-standing scheme is feasible if φMn ≥ Mu and deflection requirements are met; otherwise, slab strengthening or a shift to the bearing scheme with adequate anchor design is required. These findings provide a practical decision-making basis for projects involving non-monolithic stair connections.
HUBUNGAN UMUR BETON DAN KEKUATAN TEKAN TERHADAP WAKTU AMAN PEMBONGKARAN BEKISTING Nugroho, Nauval Pramesta; Farros, Diaz; Setiyarto, Y Djoko
CRANE: Civil Engineering Research Journal Vol 6 No 2 (2025): CRANE
Publisher : Program Studi Teknik Sipil, Fakultas Teknik dan Ilmu Komputer, Universitas Komputer Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34010/crane.v6i2.17854

Abstract

Formwork removal is a critical stage in reinforced concrete construction as it is directly related to quality, safety, and efficiency. In practice, this process often relies solely on the concrete age in days, without verification of the actual compressive strength, which may lead to cracking, excessive deflection, or even permanent damage. This study aims to analyze the relationship between the development of concrete compressive strength and the capacity of primary structural elements—columns, beams, and slabs—in carrying construction loads, as a basis for determining the safe timing of formwork removal. The method employed consists of a literature review and conceptual analysis based on SNI 2847:2019, ACI 347.2-17, and compressive strength test data at ages 1–28 days. Axial and flexural capacities of the elements were compared with construction loads in accordance with SNI 1727:2020, along with an evaluation of service deflections. The analysis results indicate that columns can be safely stripped at 1 day, as their axial capacity significantly exceeds the applied loads, whereas slabs and long-span beams are safe to dismantle after 14 days, when concrete achieves at least 70% of f’c. These findings confirm that concrete age alone cannot serve as the sole reference; verification of actual strength is crucial to ensure that formwork removal is carried out safely and efficiently.
Evaluasi Kinerja Pelat Ferosemen Berlapis Seng Sebagai Inovasi Material Pelat Lantai Bangunan Bertingkat Setiyarto, Y Djoko
Jurnal Tekno Insentif Vol 19 No 2 (2025): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v19i2.1707

Abstract

Abstrak Konstruksi pelat beton konvensional umumnya memerlukan bekisting yang bersifat sementara, waktu yang tidak singkat dan menghasilkan limbah. Dalam konteks kebutuhan konstruksi yang lebih cepat, efisien, dan ramah lingkungan, konstruksi pelat lantai membutuhkan inovasi material struktural yang dapat mengintegrasikan fungsi bekisting dan struktur. Tujuan dari penelitian ini adalah untuk mengevaluasi kinerja mekanik dari pelat ferosemen berlapis seng, sehingga dapat diketahui potensinya sebagai bekisting permanen. Metode penelitian ini menggunakan pendekatan eksperimental yang dilanjutkan dengan kegiatan uji coba konstruksi pada rumah bertingkat. Benda uji pelat ferosemen berlapis seng dibuat dengan ukuran panjang 55 cm, lebar 20 cm, tinggi 4 cm, dan menggunakan mortar dengan perbandingan semen-pasir sebesar 1:3. Dari pengujian lentur, diperoleh hasil pelat ferosemen berlapis seng dapat dibebani hingga 365 kgf dengan lendutan sebesar 0,65 mm. Hasil penelitian ini diharapkan dapat bermanfaat memberikan kontribusi inovasi material pelat lantai yang efisien dan ramah lingkungan. Kata kunci: bekisting permanen, ferosemen berlapis seng, mortar, pelat lantai Abstract Conventional concrete slab construction generally requires temporary formwork, is time-consuming, and produces waste. In the context of faster, more efficient, and environmentally friendly construction needs, construction floor slabs require structural innovation materials that can integrate the functions of formwork and structure. The purpose of this study was to evaluate the mechanical performance of zinc-coated ferrocement plates, so that their potential as permanent formwork can be known. This study uses an experimental approach followed by construction trial activities in a multi-storey house. The zinc-coated ferrocement plate test specimens were made with a length of 55 cm, a width of 20 cm, a height of 4 cm, and using mortar with a cement-sand ratio of 1:3. From the flexural test, the results showed that the zinc-coated ferrocement plate could be loaded up to 365 kgf with a deflection of 0.65 mm. The results of this study are expected to be useful in contributing to innovations in efficient and environmentally friendly floor slab materials. Keywords: permanent formwork, zinc coated ferrocement, mortar, floor plate
Effect of Rebound Hammer Test Point Location on the Variability and Accuracy of Concrete Compressive Strength Estimation Setiyarto, Y Djoko; Mustopa, Muhammad Pramudita
Journal of Civil Engineering and Planning (JCEP) Vol. 6 No. 2 (2025)
Publisher : Program Studi Sarjana Teknik Sipil Universitas Internasional Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37253/jcep.v6i2.11902

Abstract

Concrete compressive strength is a fundamental parameter for evaluating the performance of concrete structures. Although destructive testing using a Compression Testing Machine (CTM) is considered the most accurate method, its limited applicability to existing structures has led to the use of non-destructive methods, such as the rebound hammer test. However, rebound hammer results often deviate from CTM measurements, raising concerns regarding their reliability. This study examines the impact of rebound hammer test point location on the variability and accuracy of estimated concrete compressive strength, and assesses its agreement with destructive test results. A quantitative laboratory experimental program was conducted using concrete with a target strength of 15 MPa. Five cylindrical and five cubic specimens were tested at 28 days. Rebound hammer tests were performed on top, bottom, and side surfaces in accordance with ASTM C805, followed by destructive compressive strength testing using CTM based on ASTM C39. The results show that test point location systematically influences rebound hammer outcomes. Bottom test points produce the highest estimated strengths and the largest deviations from CTM results, whereas top test points yield the closest agreement with actual compressive strength. The findings confirm that rebound hammer accuracy is position-dependent and should be explicitly considered in concrete strength evaluation.
Pengembangan dan Kalibrasi Alat Bantu Pengukur Rotasi Sambungan Baja Berbasis LVDT Setiyarto, Y Djoko
JURNAL TEKNIK SIPIL CENDEKIA (JTSC) Vol 7 No 1 (2026): Februari
Publisher : Departement of Civil Engineering, Universitas Winaya Mukti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51988/jtsc.v7i1.475

Abstract

Rotation measurement is a key parameter in evaluating the mechanical behavior of steel connections under moment loading. Direct measurement of rotation using conventional sensors such as Linear Variable Differential Transformers (LVDTs) is challenging, as LVDTs are primarily designed to measure translational displacement rather than angular deformation. This study presents the development and calibration of an indirect rotation measurement device based on LVDT displacement conversion using a mechanical wire–roller system. The proposed device converts rotational motion of a horizontal steel member into linear displacement through a steel wire wound around a roller, which is subsequently measured by an LVDT. The calibration was performed within a rotation range of 0°–30° using a 14 mm roller diameter under laboratory-controlled conditions. Calibration was conducted using two approaches: manual rotation measurement with a protractor and controlled loading using a Universal Testing Machine (UTM) equipped with an anglemeter. The results show that calibration performed using UTM loading provides closer agreement with theoretical arc-length calculations, particularly for small rotation angles. The average deviation of the UTM-based calibration relative to theoretical arc-length calculation was ±0.94%, with a maximum deviation of 5.8% at small rotations. The regression model yielded R² = 0.99, indicating excellent linearity. A linear correlation between LVDT displacement and rotation angle was established and adopted as the calibration equation. The proposed measurement system demonstrates adequate accuracy and reliability for experimental investigation of rotational behavior in steel connections.
Pengaruh Ketebalan Pile Cap Abutmen Jembatan terhadap Distribusi Beban pada Tiang Fondasi Setiyarto, Y Djoko; Joris, Julia Olivia
Jurnal Teknik Sipil Vol 22 No 1 (2026): Jurnal Teknik Sipil
Publisher : Universitas Kristen Maranatha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28932/jts.v22i1.10115

Abstract

In determining the load received by each foundation pile, the pile cap is sometimes assumed to behave as a rigid element so that it can distribute the axial load uniformly. In reality, this rigid assumption is not always valid and must first be verified whether the pile cap behaves flexibly or rigidly based on the designed thickness. The following study aims to determine the effect of pile cap thickness on load distribution on foundation piles. The results of this study are based on the finite element method, which models the pile cap on the bridge abutment as a shell element and models the foundation pile as a spring. Pile caps measuring 5 m x 11.5 m with varying thicknesses of 0.9 m, 1.2 m, 1.5 m, 1.8 m, 2.1 m, and 2.4 m were studied for their behavior in distributing the load to the 24 foundation piles. Using SAP2000 software, the results of this study show that pile caps with smaller thicknesses behave more flexibly and produce non-uniform load distribution on the foundation piles. On the other hand, the thicker the pile cap, the more uniform the load distribution on the foundation pile. In this study, a pile cap thickness of 1.8 m can already distribute the load on the foundation piles uniformly. However, the use of a thin pile cap thickness of 0.9 m, which is considered to behave flexibly, can still be used as long as it meets the requirements of SNI 2847:2019, and the capacity of each pile to carry the non-uniform load has been reviewed.
Co-Authors Abduloh, Keisya Nairazzahra Aulia, Gischa Sandrina Bagas Prasetyo Cardina Listiyanti Egi Rizaldi Fahmi Savero Devtrina Falderika Falderika Farros, Diaz Fikri Fauzi Nur Alam Gino Marino Joris, Julia Olivia Junaida Wally M Donie Aulia M Riza Muhammad Riza Muhammad Sihab Mustopa, Muhammad Pramudita Nisa Latifah Gandina Nugroho, Nauval Pramesta Prasetyo, Bagas Pratiwi, Vitta Rangga Wirachma Saputra, Raka Maulana Sherly Meiwa Tri Widianti Natalia Wilson Koven Yatna Supriatna Yongki A T