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All Journal Jurnal Pengabdian Masyarakat Multidisiplin Journal of Science and Science Education (JoSSEd)
Jauhar Fajrin
Universitas Mataram
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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PENGEMBANGAN DESAIN HUNIAN SEMENTARA UNTUK KORBAN GEMPA LOMBOK Jauhar Fajrin; Muhammad Muchlis; Yogi Rosita Tandean
Jurnal Pengabdian Masyarakat Multidisiplin Vol 3 No 2 (2020): Februari
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (161.183 KB) | DOI: 10.36341/jpm.v3i2.1077

Abstract

A long series of earthquakes that lasted for almost a month with the biggest shock reaching 7 SR completely destroyed most of the houses in parts of Lombok and Sumbawa. Many residents were forced to evacuate because their homes entirely devastated. Some residents have returned to their homes, but many also have no place to return. So they need temporary shelter while rebuilding their houses gradually. There are many choices of designs that have been developed before. However, designing a temporary shelter that is truly in accordance with the needs of the community at the disaster site requires a comprehensive understanding of the local human characteristics and nature as well as the local environment. Including things that must be considered is the impact on the environment if the design involves locally available nature material. The design concept was based on the concept of a barn house with bamboo and spandex-plywood materials. The first concept is a bamboo barn shelter which adopts a traditional Lombok house with woven bamboo walls. The second concept is also based on traditional Lombok houses, but uses a different material which is spandek as the dominant material for the roof and plywood as the walls and doors. Both temporary shelter concepts have been successfully designed, built and applied.
The Effect of Variations of Drilling Bolt Distances on Bending Strength of Composite Wood Beams Satia Cahya Noviadi; I Wayan Sugiartha; Jauhar Fajrin
Journal of Science and Science Education Vol. 3 No. 1 (2022): April
Publisher : Pascasarjana, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1334.444 KB) | DOI: 10.29303/jossed.v3i1.456

Abstract

Wood products that are currently growing rapidly in many places in the world are laminated blocks (glulam). Laminate beam has many advantages in terms of size, strength and artistic. However, this laminated beam has a few drawbacks in terms of providing tools and materials for some areas. The laminated beam itself uses an adhesive material which is relatively expensive and requires a compression tool in its implementation. Therefore, an alternative is given in the form of composite beams. Composite beams that have developed so far use shear connectors in the form of bolts, nails, and pegs as the connecting tool. Meanwhile, shear connectors using drilling bolts have never been done. Therefore, based on this, it is necessary to research composite wood beams with an alternative, namely using drilling bolts as shear connectors in order to obtain the effect of variations in the distance of drilling bolts on the flexural strength of composite beams. The results of the flexural strength test obtained the strength of the composite beam with shear connectors with the largest distance of 3.125, followed by beams with shear connecting distances of 6.25 cm, 12.5 cm and 25 cm. This shows that the closer the shear connecting distance, the greater the strength obtained, with the percentage increase in variation of 31.5%, 38.737% and 46.072%, respectively.
Co-Authors Adryan Fitrayudha Buan Anshari I Wayan Sugiartha Muhammad Muchlis Satia Cahya Noviadi Yogi Rosita Tandean