Batako beton dibuat dengan cara manual dan mekanis. Batako beton yang dibuat dengan menggunakan mesin cetak bertenaga dinamo volt (listrik) disebut batako mekanis. Sistem mekanis yang diterapkan pada mesin cetak batako antara lain, tuas, energi potensial, dan gaya sentrifugal. Di Kota Kendari potensi pasir tersedia, sehingga bahan bangunan berbasis pasir mudah dibuat oleh masyarakat. Produk batako yang dihasilkan dengan mesin cetak batako lebih berkualitas, efisien, presisi, daya serap rendah, kuat tekan tinggi, tidak mudah retak, dan ekonomis. Penelitian ini ditujukan untuk mengidentifikasi dan mengkaji pembuatan batako beton mekanis terhadap alat-alat kerja, bahan-bahan kerja, dan cara pembuatan di Kota Kendari. Jenis penelitian kualitatif dengan pendekatan studi kasus digunakan dalam penelitian ini. Data didapat dengan cara observasi dan diskusi mendalam terhadap pekerja dan pemilik pabrik batako. Teknik analisis deskriptif naratif digunakan dalam penelitian ini. Penelitian ini disimpulkan bahwa lori, sekop, sapu lidi, ember, kaus tangan, balon karet, mesin cetak batako, pengalas batako, kantong semen, alat penggosok mesin cetakan, sapu ijuk, oli tidak terpakai, kuas, pecahan pipa paralon, pemukul sekop, dan timba digunakan sebagai alat-alat kerja untuk membuat batako mekanis. Pasir, semen, dan air digunakan sebagai bahan-bahan pembuat batako beton mekanis. Batako beton mekanis dibuat dengan tahap pengadukan adonan kering, pengadukan adonan lembab, percetakan, pengeringan pertama, penyiraman, dan pengeringan kedua. Kata kunci: Batako, Beton mekanis, Kendari, Sulawesi Tenggara
Sagu (sinonggi/kapurung) is a typical food of the Tolaki ethnic group. Sagu (Metroxylon sagu rottb) is an endemic plant in Southeast Sulawesi Province. So far, sagu waste in the form of fibers (sagu fiber) has not been optimally utilized. Sagu fiber waste is only left to mount; some are dumped into the river, so it is feared that it could pollute the environment. Through innovation in reducing waste in the principles of sustainable construction, sagu fiber will be used as an added material to manufacture concrete brick wall pairs. This study aimed to test the compressive strength and water absorption capacity of sagu fiber concrete bricks with variations of 0%, 50%, 60%, and 70% sagu fiber under the sand. This study uses an experimental method with stages such as preparing work tools and work materials, making test objects, and testing. Data were analyzed using mathematical formulas for the compressive strength of concrete bricks and water absorption capacity, compared with SNI 3-0349-1989 for solid concrete bricks, and analyzed comparatively. Based on the test results in this research laboratory, it is concluded that a balanced composition to get good quality is found in 70% sagu fiber and 30% sand.
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