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All Journal Nature: National Academic Journal of Architecture Quimica : Jurnal Kimia Sains dan Terapan
Yosantia, Muhammad Ferah
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ADAPTASI ARSITEKTUR TRADISIONAL RUMAH GAYO BERDASARKAN MEMORI KOLEKTIF Yosantia, Muhammad Ferah; Dewi, Cut; Safwan
Nature : National Academic Journal of Architecture Vol 10 No 2 (2023): Nature
Publisher : Department of Architecture, Faculty of Science and Technology, Alauddin State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/nature.v10i2a9

Abstract

The Gayo tribe is distinct in its language, clothes, ornamentation, culinary, and architectural works, all of which reflect the group's unique activities. The traditional Gayo communal house, known as Umah Gayo or Gayo House, is one example of originality. This paper aims to compare the adaptation of the Gayo traditional house to the surrounding environment based on literature with the community's collective memory, which has not been scientifically investigated. This study employs a qualitative technique with a descriptive approach to understand the Gayo traditional house's adaptability to its surroundings. Data was gathered through a literature review and direct observation of the remaining Gayo home structures. In addition, in-depth interviews with essential informants were undertaken. The findings reveal that the Gayo traditional house is a structure created by adapting to its surroundings, with the design, floor layout, and materials reflecting the rugged terrain of the Gayo area.
Efek Komposisi NaCl dan Sulfur terhadap Struktur Mikro dan Kekuatan Geser Tanah Pasir Sabilla, Arissa; Rikza; Sinurat, Dian Aswatul; Siregar, Putri Fikadilah; Juanda, Ari; Yosantia, Muhammad Ferah; Muammar, Rajib; Damayanti, Rizki
JURNAL QUIMICA Vol 7 No 2 (2025)
Publisher : Program Studi Kimia, Fakultas Sains dan Teknologi, Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jq.v7i2.13356

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh komposisi campuran garam dapur (NaCl) dan belerang (S) terhadap perubahan struktur mikro serta peningkatan kekuatan geser tanah pasir berlempung (SC). Penelitian menggunakan pendekatan analisis deskriptif berbasis data sekunder dari hasil uji kuat geser langsung (Direct Shear Test) pada tanah pasir yang distabilisasi dengan variasi campuran 6% sulfur dan 6–12% NaCl. Hasil analisis menunjukkan bahwa campuran 6% sulfur dan 12% NaCl menghasilkan peningkatan nilai kohesi sebesar ±58%, sudut geser dalam sebesar ±48%, dan tegangan geser maksimum sebesar ±155% dibandingkan tanah asli. Peningkatan kekuatan geser ini disebabkan oleh terbentuknya senyawa pozzolanik seperti Calcium Silicate Hydrate (C–S–H) dan ettringite yang memperkuat ikatan antar partikel tanah. Secara mikrostruktural, terjadi pemadatan partikel, penurunan porositas, serta peningkatan interlocking akibat interaksi ionik antara Na⁺, Cl⁻, dan SO₄²⁻ dengan mineral tanah. Hasil penelitian ini menunjukkan bahwa kombinasi NaCl dan sulfur dapat berfungsi sebagai bahan stabilisasi kimia efektif yang mampu meningkatkan kekuatan mekanik dan kestabilan mikrostruktur tanah pasir secara signifikan. Penelitian ini diharapkan dapat menjadi dasar pengembangan teknologi stabilisasi tanah berbasis reaksi kimia alami yang ramah lingkungan dan ekonomis.
Co-Authors Cut Dewi, Cut Juanda, Ari Muammar, Rajib Rikza Rizki Damayanti, Rizki Sabilla, Arissa Safwan Sinurat, Dian Aswatul Siregar, Putri Fikadilah