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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil
Utomo, Adityo Budi
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Transportation

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Journal : Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil

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STUDI EKSPERIMENTAL KERUNTUHAN RANGKA KUDA-KUDA BAJA RINGAN PADA ATAP RUMAH DAN SEKOLAH Utomo, Adityo Budi; Satyarno, Iman; Muslikh, Muslikh
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 25, No 2 (2020): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v25i2.2159

Abstract

Increasingly expensive price of quality woods and difficulties of workmanship, it makes people switch from wood to lightweight steel as a roof truss. The use of lightweight steel as truss becomes popular because of the fast workmanship dan durability of the material. Many cases show that lightweight steel truss at school and house collapsed and caused a fatality. This lightweight steel truss study was carried out on a full scale with a span of 6 m and a slope of 300, while the loading test pattern at the placement points of battens was like truss in the community. The goals of this study to measure and observe several parameters including weight, maximum capacity, stiffness, ductility, price, length of work, and failure pattern. From testing, the result shows that lightweight steel truss has dead weight, maximum capacity, stiffness value, ductility value, price, working time, and failure pattern respectively of 21,3 kg,734 kg, 91,18 kg/mm, 2,97, Rp 1.740.000, 2 days, and failure pattern is buckling on the diagonal top chord. The result of this research indicates that lightweight steel truss can be used in the community with the limitation of using metal roof coverings instead of concrete or ceramic and the distance between the truss max 1,2 m.
STUDI KERETAKAN GEDUNG DAN AKSES JALAN KAMPUS POLITEKNIK PEKERJAAN UMUM DI KOTA SEMARANG UTOMO, ADITYO BUDI; Agung Bhakti Utama; Laely Fitria Hidayatiningrum; Andi Patiroi
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 30 No. 1 (2025): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v30i1.6314

Abstract

The MBH Campus, Public Works Polytechnic (PUtech) located in Semarang City began construction in 2021 - 2022 and functional in early 2023. Six months after its first operation, much damage was found to the building and access roads where there were many cracks in the walls with the same pattern and widening and collapsing in several parts of the garden and access roads that widened over time. A study was conducted to identify the cause of the damage that occurred. The study began by identifying the level of damage to the PUtech campus building and making assumptions regarding the cause of the damage. A more detailed investigation was carried out to strengthen the possibility of suspicions. The analysis was carried out based on the results of field measurements, non-destructive material tests, and soil characteristic tests on the building. The study's results showed a tendency for the building to subside to the north by 0-4 cm per year. The subsidence did not indicate conditions that were dangerous to the building structure because it occurred evenly. The base soil is in the form of cohesive inorganic clay with moderate plasticity so there is a high potential for soil expansion. The soft base soil, classified as soft soil, has the potential for consolidation up to 40 cm due to the existing building load.
Co-Authors Agung Bhakti Utama Andi Patiroi Dhanardono, Bhima Iman Satyarno Laely Fitria Hidayatiningrum Muslikh Muslikh