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All Journal Katalogis JURNAL SIMETRIK Jurnal Abdi Insani Madani: Jurnal Pengabdian Ilmiah. Lentera Anak : Jurnal Pendidikan dan Perkembangan Anak Usia Dini Indonesian Journal of Maritime Technology or abbreviated (ISMATECH) Journal of Civil Engineering and Vocational Education Jurnal Sosiologi Kontemporer Jurnal Penelitian Teknik Sipil Konsolidasi Jurnal Pendidikan Refleksi Widya Teknik
Hijriah, Hijriah
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Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Transportation Other

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Pengaruh Serbuk Besi Dari Limbah Bubut Sebagai Subtitusi Agregat Halus Dan Variasi Tawas Sebagai Subtitusi Agregat Kasar Terhadap Kuat Tekan Beton Febryansah, Febryansah; Setiawan, Arman; Hijriah, Hijriah
Jurnal Penelitian Teknik Sipil Konsolidasi Vol. 1 No. 2 (2023): Jurnal Penelitian Teknik Sipil Konsolidasi, Mei 2023
Publisher : Program Studi Teknik Sipil Universitas Bosowa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56326/jptsk.v1i2.3024

Abstract

This study aims to analyze the relationship of compressive strength of concrete with iron powder mixture from lathe waste by 10% and alum variation by 0%, 5%, 10%, 15%, 20% and 25%. The method of this study is to compare the compressive strength of normal concrete with the compressive strength of concrete variations of iron powder and alum. The percentage of iron powder of 10% and the percentage of alum of 0% experienced a decrease in the compressive strength value against normal concrete by 8.7%, which used an iron lathe of 10% and alum of 5% experienced a drastic decrease against the compressive strength of normal concrete by 30.4%. It can be concluded that 10% iron lathe impersonation as a substitution of fine aggregates and variations of alum of 0%, 5%, 10%, 15%, 20% and 25% as substitutions of coarse aggregates lead to a decrease in the compressive strength value of concrete
Pengembangan dan Renovasi Sarana Prasarana Dalam Mendukung Pendidikan Bermutu Pada Anak Usia Dini Hijriah, Hijriah; Hesti Rosita Dwi Putri; Andi Sahputra Depari
Madani: Jurnal Pengabdian Ilmiah Vol. 8 No. 1 (2025): Madani: Jurnal Pengabdian Ilmiah
Publisher : LP2M IAIN Sultan Amai Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30603/md.v8i1.6460

Abstract

Early childhood education at the kindergarten (TK) level is an important foundation for children's cognitive, social, and emotional development. The availability of adequate facilities and infrastructure and educational learning media greatly influence the quality of early childhood learning. This community service activity aims to support the improvement of the quality of education at TK Cempaka II through three main focuses, namely the provision of batik dip learning media as a means of artistic expression and cultural introduction; the provision of educational play tools such as puzzles and letter blocks for children's cognitive stimulation; and renovation of damaged school floorboards to create a safe and comfortable learning environment. The results of the activity showed an increase in children's participation and enthusiasm in learning activities, an increase in community understanding of the importance of educational facilities (from 47% to 53%), and the creation of a more appropriate learning space. This activity proves that simple but targeted interventions/focuses can have a real impact on supporting the quality education process for early childhood.
PENGARUH SERBUK ARANG BRIKET TERHADAP KUAT TEKAN BETON DENGAN BAHAN TAMBAH LARUTAN GULA PASIR Hijriah, Hijriah; Sariman, Syahrul; Rura, Melkior Lapu
JURNAL SIMETRIK Vol 11 No 2 (2021): Jurnal Simetrik (Sipil, Mesin, Listrik)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M) Politeknik Negeri Ambon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/js.v11i2.882

Abstract

Seiring dengan kemajuan zaman, teknologi di bidang konstruksi bangunan juga mengalami perkembangan pesat, termasuk teknologi beton, hampir pada setiap aspek kehidupan manusia selalu terkait dengan beton. Pemakaian bahan tambah sudah banyak dilakukan dalam proses campuran beton. Berdasarkan hal tersebut, maka penelitian ini bertujuan untuk mengetahui peningkatan kuat tekan optimal beton dengan bahan tambah serbuk arang briket dan larutan gula pasir pada umur 28 hari. Pada penelitian ini menggunakan persentase variasi serbuk arang briket 12,%, 15%, 17,%, 20%, 22,% dan bahan tambah larutan gula pasir 0,20% dari berat semen. Tinjauan analisis penelitian ini adalah kuat tekan, dengan benda uji silinder beton berdiameter 15 cm dan tinggi 30 cm. Metode perencanaan campuran beton menggunakan metode SNI. Kuat tekan optimal beton terdapat pada variasi serbuk arang briket 17% dan larutan gula pasir 0,20%, yaitu sebesar 31,84 MPa atau meningkat 50,84% dari beton normal. Adapun Penambahan gula pasir pada campuran beton dengan dilarutkan pada air yang digunakan sebagai bahan tambahan sehingga larutnya lebih merata dibandingkan dengan mencampur langsung pada semen ataupun kerikil. Berdasarkan penelitian didapatkan kesimpulan hasil pengujian Vicat aparatus waktu ikatan awal semen adalah penambahan larutan gula pasir 0,20% memundurkan ikatan awal hingga 24 jam.
Co-Authors Abduh, M. Natsir Alamsyah - Andi Sahputra Depari Arman Setiawan Eka Damayanti Fadia, Andi Faza Fauzi, Ardiansyah Febryansah, Febryansah Fortuna, Anisa Feby Hesti Rosita Dwi Putri Iskandar Iskandar Ismail Ismail Kamariah Hasis, Pratiwi Kartini Kartini Kusyairi, Umi M. Uswah Pawara Mallawangeng, Thamrin Miftahul Jannah Muhammad Fajrin Wahab Muhding, Noor Zaqiyah Putri, Annajwa Aulia Rasyidi, Emil Salim Riyan Benny Sukmara Rura, Melkior Lapu Sabani, Fatamaridah Sariman, Syahrul Sitepu, Rasional Suardi Suardi Suryani Syahrir Wijaya, Vibra Yanti, Rossana Margaret Kadar