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All Journal Jurnal Sains Materi Indonesia Komunikasi Fisika Indonesia Jurnal Fisika Unand Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) Jurnal Hilirisasi IPTEKS (JHI) Jurnal Ilmu Fisika INTEGRITAS : Jurnal Pengabdian BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Nusantara Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Indonesian Journal of Community Empowerment and Service
Alimin Mahyudin
Jurusan Fisika FMIPA Universitas Andalas
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Pengaruh Persentase Fly Ash terhadap Sifat Fisik dan Mekanik Papan Beton Ringan dengan Filler Serat Sabut Pinang Aulia, Hana; Mahyudin, Alimin
Jurnal Fisika Unand Vol 13 No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.452-458.2024

Abstract

Research has been conducted on the effect of fly ash percentage towards physical and mechanical characteristics of lightweight concrete board with coir fiber as a filler. The study was aim to determine the effect of fly ash percentage with areca fiber as a filler on the physical and mechanical properties of lightweight concrete boards. The percentages of fly ash were 0%; 5%; 10%; 15%; and 20% respectively. The size of areca fiber was 0.2%, and the length of the fiber was 1 cm. Samples with 5 cm x 5 cm x 1 cm were used to measure density, porosity, and compressive strength, while samples with 20 cm x 5 cm x 1 cm were used for flexural strength testing. The lightweight concrete board was tested after 28 days. Compressive and flexural strength testing were conducted using a universal testing machine (UTM). Based on the results, the lowest density value was obtained at 20% fly ash content which was 1.06 g/cm3, while the lowest porosity value was obtained at 0% fly ash content which was 26.53%. The density values obtained from the research results were inversely related to the porosity values. The highest compressive strength of lightweight concrete boards without fly ash was achieved, with a value of 36.93 kg/cm2. The highest compressive strength value with fly ash was 30.20 kg/cm2 at 10% fly ash content. The highest flexural strength was 25.5 kg/cm2 at 20% fly ash content. The higher the fly ash content used, the greater the flexural strength value. The density and flexural strength values have met the SNI 03-2105-2006 and SNI 03-2104-1991 standards, but the porosity and compressive strength have not yet fulfilled the SNI standards.
KARAKTERISTIK PAPAN PARTIKEL DARI KULIT KAKAO DAN SERAT PINANG DENGAN VARIASI POLYMERIC METHYLENE DIPHENYL DIISOCYANATE Putri, Yanandra Amelia; Mahyudin, Alimin
Jurnal Fisika Unand Vol 13 No 5 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.5.671-676.2024

Abstract

Research has been carried out to analyze the effect of the percentage of polymeric methylene diphenyl diisocyanate (PMDI) on the physical and mechanical properties of particleboard made from cocoa shells and areca fiber. This research uses a ball mill to obtain the particle size that passes through an 80 mesh sieve. The physical properties tested were density and water content, while the mechanical properties tested were flexural strength and compressive strength using the Universal Testing Machine (UTM). The PMDI variations used are 4%, 6%, 8% and 10%. The density values obtained ranged from 0.97-1.13 g/cm3, water content values ranged from 7.3 - 9.11%, compressive strength values ranged from 216.63-285.02 kg/cm2 and flexural strength values ranged from 1713 .97-2235.23 kg/cm2. The best particle board is particle board with a PMDI content of 8%. The water content and compressive strength values of particle board meet SNI 03-2105-2006, but the density and flexural strength values do not meet SNI 03-2105-2006. Based on the density value of the particle board, the particle board produced is a type of high density particle board.
Co-Authors 'Arifah, Nur A. Fadhil Desafa Adrial, Rico Afdal Afdal Afdal Afdal Afdhal Muttaqin Afri, Hafiza Rahmi Zul Agus Taufiq Ahmad Fauzi Pohan Al Rahman Andrestama, Habib Anggraini, Ressi Annisa, Hafizha Fitri Anugrah, Fajar Anum, Paridah Arif Budiman Arif Budiman Arsal Chayri Iby Arsal Chayri Iby Artika, Mila Putri Astuti Astuti Astuti - Aulia, Hana Awaluddin - Awaluddin -, Awaluddin Ayuzia Puspa Indah Betta Centaury Citra, Firda Yulia Dahyunir Dahlan Damayanti, Elok Dedi Mardiansyah Defta Eka Sari Deora Murza Oktora Deri Wahyuni Desha Putri, Indah Pratiwi Devi Yunita Devi Yunita Devi Yunita Dewi, Mutia Sukma Dhia, Husna Dian Fitriyani Dian Fitriyani Dian Milvita Dwi Pujiastuti Dwi Pujiastuti Dwi Puryanti Dwisa, Mega Dynanty, Sindy Dwi Putri Elistia Liza Namigo, Elistia Elvaswer Engkir Sukirman Fajar Anugrah Fani Anjelina Fatmi, Riefli Feriska Handayani Feriska Handayani Irka, Feriska Handayani Fiqi Diyona Firda Yulia Citra Geby Sri Ayu Oktavia Habib Andrestama Hafiza Rahmi Zul Afri Haldis Alvaro Hana Aulia Hanifah Karmuliani Hanovatias, Yazid Reza Harmadi Harmadi Harmadi Harmadi Hilda Trisna Hilda Trisna Husna Dhia Imam Taufiq Imam Taufiq Indah Pratiwi Desha Putri Indah, Ayuzia Puspa Ira Febri Winda Jatmika, Lara Putri Karmuliani, Hanifah Kgs Haprido Kgs Haprido, Kgs Lara Putri Jatmika Lisha, Sonia Yong Lovely Dwina Putri M. Ali Shafii M. Wahyu Ramadhani Mardiyanto - Mardiyanto - Mardiyanto Mardiyanto Mardiyanto Mardiyanto Marzuki Marzuki Mega Dwisa Meqorry Yusfi Meri Darmawi Meri Darmawi Meri Darmawi Mila Putri Artika Moh. Rasyid Ridho Mohammad Ali Shafii Mona Vadila Monica, Shelly Muhammad Blestynsky Renaldi Muhammad Fachrul Rozi Muhammad Fachrul Rozi, Muhammad Fachrul Muldarisnur, Mulda Mutia Sukma Dewi Mutya Vonnisa Nabila, Nurul Nini Firmawati Nur 'Arifah Nurul Annisa Nurul Hasanah Nurul Hasanah Nurul Nabila Nurwijayanti Oktora, Deora Murza Olly Norita Tetra Paridah Anum Putri, Lovely Dwina Putri, Yanandra Amelia Qorina, Ummi Rahman, Al Rahmat Rasyid Ramacos Fardela Ramadhani, M. Wahyu Randa Randa Randa, Randa Rasyid Ridho Renaldi, Muhammad Blestynsky Ressi Anggraini Riefli Fatmi Salim Muhaimin Sari, Defta Eka Shelly Monica Sindy Dwi Putri Dynanty Solly Aryza Sonia Yong Lisha Sri Handani Sri Oktamuliani Suci Olanda Suci Olanda Syahfandi Ahda Syahfandi Ahda Syahfandi Ahda Syahfandi Ahda Syahfandi Ahda Sylvia, Yosi Trengginas Eka Putra Trengginas Eka Putra Sutantyo Uchi Delfia Uchi Delfia Ummi Qorina Ummi Qorina Usna, Sri Rahayu Alfitri Vadila, Mona Vinny Alvionita Wahyuni, Deri Wildian Wildian Winda, Ira Febri Yanandra Amelia Putri Yazid Reza Hanovatias Yoniza, Yuliana Yosi Sylvia Yuliana Yoniza Yusfi, Meqqory Zozy Aneloi Noli Zulfi Zulfi Zulfi Zulfi Zulfi Zulfi Zulfi, Zulfi