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All Journal Abdimas UNWAHAS : Jurnal Pengabdian Masyarakat UNWAHAS 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 Economics, Econometrics & Finance Medicine & Pharmacology Social Sciences

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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.
Co-Authors Abduloh, Keisya Nairazzahra Aulia, Gischa Sandrina Bagas Prasetyo Cardina Listiyanti Egi Rizaldi Fahmi Savero Devtrina Falderika Falderika Farros, Diaz Gino Marino Junaida Wally M Donie Aulia M Riza Muhammad Riza 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