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Analisis Ketangguhan Impak dan Foto Makro Komposit Sandwich Serat Hybrid dengan Variasi Susunan Lapisan Sebagai Material Dinding Rumah Tardho Hakim; Sri Hastuti; Adityo Noor Setyo Hadi Darmo
AutoMech : Jurnal Teknik Mesin Vol. 6 No. 01 (2026): Mei
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/jtm.v6i01.12029

Abstract

ABSTRAK Perkembangan material komposit dalam industri konstruksi mendorong inovasi material dinding alternatif yang lebih ringan, kuat, dan ramah lingkungan dibandingkan beton konvensional atau GRC. Penelitian ini bertujuan untuk mengetahui karakteristik mekanik dan fisis komposit sandwich hybrid berbasis serat sabut kelapa, serat rami, serat E-glass, serta core kayu balsa. Komposit dibuat dengan metode hand lay-up dalam tiga variasi susunan lapisan skin. Pengujian dilakukan menggunakan uji impak (ASTM D6110), dan pengamatan foto makro dengan pembesaran 1x. Hasil uji impak, spesimen dengan susunan S-R-E-C-E-R-S menunjukkan nilai energi serap tertinggi sebesar 4,457 J dan ketangguhan impak 0,060 J/mm². Hasil pengamatan foto makro memperlihatkan kerusakan berupa fiber pull out, void, dan microcrack, yang paling sedikit dijumpai pada spesimen S-R-E-C-E-R-S. Hasil ini menunjukkan bahwa variasi susunan lapisan berpengaruh terhadap kekuatan mekanik komposit sandwich hybrid. Secara keseluruhan, variasi S-R-E-C-E-R-S efektif meredam tumbukan dan menjaga integritas struktur. Dengan demikian, komposit sandwich hybrid berpotensi sebagai material alternatif dinding bangunan yang ringan, kuat, efisien, dan ramah lingkungan. 
Peningkatan Perekonomian Warga Kurang Mampu melalui Pengadaan Tempat Usaha Kios Kelontong Adityo Noor Setyo Hadi Darmo; Nur Hayati; Faiz Listyanda
Jurnal Masyarakat Indonesia (Jumas) Vol. 3 No. 02 (2024): Jurnal Masyarakat Indonesia (Jumas)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jumas.v3i02.92

Abstract

The existence of home industry plays a very important role in empowering small and medium-sized communities so that they as business actors have independence and self-confidence in entrepreneurship to help the family economy. This Community Service aims to help increase the economic value of small business owners' families by providing kiosks as permanent business premises so that the layout and service are better and compared to previous kiosks/grocery stores which were managed conventionally. The service activities were carried out by the service team together with residents who live in the surrounding areas, starting with conducting site surveys, followed by procurement of row materials in the form of harbel, river sand, cement and lime. Carrying out activities in order to obtain optimal output results, during the activity process stages, assistance is provided with work by the service team starting from preparation for demolition, installation of building foundations, harbel walls, building framework to the finishing process. The impact of good cooperation between partners, the surrounding community and the service team can result in a permanent kiosk building that is suitable, safe and comfortable to be used as a grocery store business to meet the needs of the surrounding residents.