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Journal : CRANE: Civil Engineering Research Journal

PERBANDINGAN PENGGUNAAN SISTEM BEKISTING KONVENSIONAL DAN ALUMINIUM PADA PROYEK PEMBANGUNAN MALL X Sirait, Esther Glory; Welan, Philomena Clarita; Tanne, Yongki Alexander
CRANE: Civil Engineering Research Journal Vol 4 No 1 (2023): 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.v4i1.9894

Abstract

Structural building components such as columns, beam and slab require formwork in its construction. Formwork plays an important role in forming the dimensions of the structure to fulfill the design. This study aims to determine the formwork comparison between conventional and aluminum in terms of characteristics, implementation methods and costs. This study compares the characteristics, implementation methods and costs using quantitative and comparative methods. Data on aluminum and conventional formwork were obtained by observing the project site implementation and studying the literature. In the construction of project mall X building, several types of formwork were used, including semi-system formwork (semi peri) and aluminum formwork used for columns and conventional formwork used for beams. That consideration is needed to determine the most efficient formwork in terms of characteristics, method of implementation and costs. The result shows that in project mall X building, aluminum formwork has the same cost as conventional formwork but the process is faster and more efficient than conventional formwork. In addition, aluminum formwork does not produce wood waste and can be reused for 150-200 installation. after the researchers analyzed the installation of the formwork system in the mall X construction project. For the development of further research, it is suggested to make a comparison of project X with other projects, besides that it also makes a comparison of the types of formwork with several variables so that it can consider the use of the type of formwork in terms of construction needs.
EVALUASI PERUBAHAN DESAIN GEDUNG PADA TAHAP KONSTRUKSI TERHADAP KAPASITAS STRUKTURAL (Studi Kasus Proyek Gedung XYZ) Farhani, Shyva; Rivana, Dila; Tanne, Yongki Alexander
CRANE: Civil Engineering Research Journal Vol 5 No 1 (2024): 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.v5i1.12133

Abstract

Perubahan desain struktur yang terjadi di pertengahan proyek konstruksi seringkali merupakan dinamika yang menimbulkan tantangan signifikan, untuk itu perlu dilakukan evaluasi lebih lanjut terhadap struktur bangunan menggunakan perangkat lunak SAP 2000 merupakan salah satu software untuk analisis struktur. Tujuan utamanya adalah memastikan bahwa struktur eksisting dimodifikasi memenuhi standar kekuatan dan keselamatan yang diperlukan. Lingkup penelitian ini dilakukan di proyek XYZ dengan membatasi fokus pada evaluasi struktur baja eksisting. Data yang digunakan pada penelitian ini antara lain yaitu Data Primer berupa DED (Detail Engineering Design) proyek dan data lain yang berkaitan dengan masalah penelitian. Data sekunder yang digunakan antara lain standar-standar pada analisis struktur seperti SNI 1727-2013. Tahapan analisa struktur menggunakan SAP2000 ini secara garis besar adalah sebagai Menentukan system Grid rencana struktur, pemodelan struktur, perhitungan pembebanan, Analisa struktur (Run Analysis), Cek Rasio Kapasitas Penampang Struktur. Dari analisis yang dihasilkan SAP2000 diambil nilai maksimum, nilai minimum, nilai rata-rata, standar deviasi, batas atas dan batas bawah dari hasil analisis kapasitas pewnampang. Setelah melakukan analisis menggunakan perangkat lunak SAP2000, dapat disimpulkan bahwa struktur gedung mengalami kelebihan kapasitas untuk menahan beban yang diantisipasi. Hasil evaluasi menunjukkan adanya potensi kegagalan struktural akibat beban yang melebihi kapasitas penampang yang telah dirancang. Beberapa faktor seperti perubahan beban, pemilihan profil baja atau kesalahan dalam perhitungan struktural dapat menjadi penyebab ketidakmampuan struktur.
STUDI KASUS PERBANDINGAN PRODUKTIVITAS PEMODELANBIM: PRECAST VS TRADISIONAL Rahardian, Reza; Ma’mun, Haromi; Belly Saptiansyah, Belly; naimatunnisa; Tanne, Yongki Alexander; Falderika
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.v6i2.16202

Abstract

Productivity in Building Information Modeling (BIM) modeling plays a key role in project efficiency. However, the comparison between precast and traditional methods is still rarely studied. This research investigates the productivity comparison between BIM modeling methods and traditional construction execution on the Rumah Sakit Mitra Pumbon Subang project. The study uses a descriptive quantitative approach with data collected through 3D modeling (Autodesk Revit), scheduling (Microsoft Project), and 4D simulation (Autodesk Navisworks). The results show that BIM modeling requires more time (28 days) compared to the precast method (41 days) due to design complexity and more detailed object modeling in Revit compared to traditional CAD drawings. Meanwhile, the traditional construction method takes longer (153 days) compared to the precast method (137 days), due to the standardization advantages of precast work. In terms of material needs, BIM provides more precise calculations using the "Duplicate with Full Properties" and "Rebar Template Library" features in Revit. In conclusion, BIM modeling takes longer, but offers better precision and physical efficiency. This research emphasizes the importance of selecting the appropriate modeling method for optimal construction performance.