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Pemulihan Kapasitas Kolom Beton Ringan Berserat Aluminium-Bertulang Pasca Bakar dengan Variasi Waktu Water Curing.

(B. Teknologi)
Pemulihan Kapasitas Kolom Beton Ringan Berserat Aluminium-Bertulang Pasca Bakar dengan
Variasi Waktu Water Curing
Key words : water curing, light weigth concrete, burning
Mediyanto, Antonius; Safitri, Endah; AP Sudarno
Fakultas Teknik UNS, Penelitian, BOPTN UNS, Hibah Bersaing, 2012
The research concerns on strenght of light weight concrete with aluminium fibre as micro-reinforcement
by enviromental load especially burning and water curing. In this research cylindrical concrete of 150
mm dia, 300 mm high for compressivespliting test, and beam concrete of 100 mm x 100 mm, 400 mm
lenght for MOR test are made. Fibre volume fraction are 0,75% of concrete. Aluminium fibre with aspect
ratio 60, cement type I, sand, alwa, water, and viscocrete are used. Testing are based on SK SNI S–36–
1990–03. The result shows that increasing self recovery of average compressive strenght of cylidrical
concrete is 144.59 % and 82.26% on light weight concrete and aluminium fibre light weight concrete
with water curing for 56 days. Increasing self recovery of average splitting strength is 103.52 % and
110.62 % on light weight concrete and aluminium fibre light weight concrete with water curing for 56
days. Increasing self recovery of average MOR is 99.68 % and 99.74 % on light weight concrete and
aluminium fibre light weight concrete with water curing for 56 days. Water curing can self healing light
weight concrete and aluminium fibre light weight concrete after burning.

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