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All Journal Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains JURNAL SAINTIS
Arita, Deri
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Civil Engineering, Building, Construction & Architecture Engineering Environmental Science

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TINJAUAN KUAT TEKAN BATA RINGAN MENGGUNAKAN BAHAN TAMBAH FOAMING AGENT Arita, Deri; Kurniawandy, Alex; Taufik, Hendra
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Lightweight bricks could be used as the substitute of conventional bricks for building wall materials. Lightweight brick has a weights beetween 600 to 1800 kg/m3. In this research, lightweight bricks were made by trial and errors made by adding combination of 0.3%, 0.6%, 0.9%, 1.2% and 1.5% of foam agent by cellular lighweight concrete (CLC) method. The optimum compresive strength was gain at 0.9% of foam agent. CLC lightweight brick is the type of bricks which is constructed by adding air bubbles/foam agent to mortar mixture. It is necessary for the air bubbles to retain their shapes during the curing process of the mortar without triggering chemical reaction. An airlock was in a mixture of mortar structure of the cells that produce material, which contains the cavity the air with the size of the between 0,1 to 1,0 mm thick and spread uneven so that makes the nature of concrete better to prevent heat and more voice The curing process was performed by storing the samples indoor, in which the room temperatur varies over time. The sample size was 60x20x7.5 cm, made to investigate the impact of foaming agent to the compressive strength of the lightweight bricks. The experiment method was carried out based on SNI 03-6825-2002. As a result, the compressive strength was 0.49 MPa at 7 days, 0.23 MPa at 14 days, and 0.67 MPa at 28 days. In addition, according to the furnace tests, the lightweight bricks resist for heat temperature of 500ºC. Also, The acoustic test results also shows that the lightweight bricks absorb sound by 3%.Keywords : brick light, foam agent, strong press, acoustic monitoring, furnace
Tinjauan Kuat Tekan Bata Ringan Menggunakan Bahan Tambah Foaming Agent Taufik, Hendra; Kurniawandy, Alex; Arita, Deri
JURNAL SAINTIS Vol. 17 No. 1 (2017)
Publisher : UIR Press

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Abstract

Bata ringan merupakan bahan bangunan alternatif penganti bata merah untuk dinding bangunan. Pada umumnya berat bata ringan berkisar antara 600-1800 kg/m3. Dalam penelitian ini bata ringan menggunakan foam agent dengan metode CLC (Cellular Lightweight Concrete)yang ditambahkan dengan metode sibtitusi dari berat pasir yang dicampurkan bata ringan dengan jumlah variasi 0,3%, 0,6%, 0,9%, 1,2%, dan 1,5%. Hasil kuat tekan optimum didapat pada varian 0,9%. Gelembung udara dalam campuran mortar menghasilkan material yang berstruktur sel-sel, yang mengandung rongga udara dengan ukuran antara 0,1 sampai 1,0 mm dan tersebar merata sehingga menjadikan sifat bata yang lebih baik untuk menghambat panas dan lebih kedap udara. Perawatan yang dipakai dengan cara penyimpanan didalam ruangan. Benda uji yang dibuat dengan ukuran 60x20x7,5 cm bertujuan mengetahui pengaruh foaming agent terhadap kuat tekan bata dengan standar pengujian (SNI, 03-6825-2002). Hasil penelitian nilai kuat tekan pada umur 7 hari yaitu 0,489 MPa, 14 hari 0,578 MPa, dan 28 hari yaitu 0,667 MPa. Hasil penelitian furnace bata ringan bisa bertahan di suhu < 500ºC. Hasil penelitian akustik dapat meredam suara sebesar 3%. Hasil pengujian SEM dan EDX foaming agent berfungsi sebagai pembuat gelembung udara yang terdapat antara lekatan agregat dengan pasta semen.
Co-Authors Alex Kurniawandy Hendra Taufik