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All Journal Jurnal Hilirisasi IPTEKS (JHI) METAL : Jurnal Sistem Mekanik dan Termal
Devi Chandra
Universitas Andalas
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Dentistry Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Veterinary Other

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Pengaruh Fraksi Massa Serat Terhadap Kekuatan Fatik Material Komposit Berpenguat Serat Tandan Kosong Kelapa Sawit Devi Chandra; Randha Mulia; Dedison Gasni; Gusriwandi Gusriwandi
METAL: Jurnal Sistem Mekanik dan Termal Vol 2, No 2 (2018)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (634.806 KB) | DOI: 10.25077/metal.2.2.61-69.2018

Abstract

The present study was investigated the effect of fiber mass fraction on the tensile and fatigue strength of oil palm fiber reinforced composite and resin as the matrix. Fatigue test has been performed by using rotary bending fatigue machine. The specimens were made by press hand lay-up with matrix to fiber mass ratio was 90:10, 80:20 and 70:30 respectively. Fracture surface of fatigue specimens have also been observed by using digital camera to knowing the failure mode. The results showed that the tensile and fatigue strength and fatigue life increased with increasing the fiber mass fraction as seen in the S-N curve. The fatigue limit was found 0.27 MPa, 0.55 MPa, and 0.82 MPa for composites with 90:10, 80:20 and 70:30 of matrix to fiber mass ratio respectively. The observed failure modes were matrix cracking, fiber debonding, and fiber breaking.
PENYEDIAAN ENERGI LISTRIK DARURAT DAN PENANGANAN KRISIS AIR BERSIH UNTUK MASYARAKAT TERDAMPAK BANJIR BANDANG DI KABUPATEN PESISIR SELATAN Dendi Adi Saputra M; Devi Chandra; Eka Satria; Adjar Pratoto; Febrin Anas Ismail; Fauzan Fauzan; Abdul Hakam; Bambang Istijono
Jurnal Hilirisasi IPTEKS Vol. 8 No. 2 (2025)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jhi.v8i2.851

Abstract

The purpose of this community service activity is to assist the recovery of social activities and address the crisis of electricity and clean water following the flash floods in Pesisir Selatan Regency, particularly in Kampung Langgai and Barung-Barung Balantai Health Center, which were the most severely affected areas. The methods employed included conducting a needs assessment survey of the affected communities, procuring and installing a 5.5 kW generator set at Nurul Wahidah Mosque as a social center, distributing ten solar-powered lamps to residents’ homes, and rehabilitating the clean water system at the health center by replacing the water pump and installing new piping networks from the ring well and Pamsimas sources. Additionally, training was provided on the operation and maintenance of electrical equipment, along with socialization on the importance of clean water to prevent post-flood diseases. The results demonstrated a significant improvement in access to electricity and clean water in the affected areas. The mosque resumed its function as a center for social activities, homes and roads received adequate lighting, and health services at the health center became fully operational again. The conclusion of this activity is that appropriate technology-based interventions, such as the provision of generator sets, solar lamps, and water filtration system repairs, are effective in supporting post-disaster recovery and enhancing community resilience. The sustainability of the program can be strengthened through regular training and cross-sector collaboration to build resilient infrastructure in disaster-prone areas.
Co-Authors Abdul Hakam Adjar Pratoto, Adjar Bambang Istijono, Bambang Dedison Gasni Eka Satria Fauzan Fauzan Febrin Anas Ismail Gusriwandi Gusriwandi Randha Mulia Saputra M, Dendi Adi