Condensed Silica Fume in Concrete, FIP State of the Art by CEB FIP FIP Commission on Concrete

By CEB FIP FIP Commission on Concrete

This record offers a complete evaluation of the houses of concrete containing condensed silica fume(CSF) at each one degree of hardening, emphasizing the advancements won in toughness.

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K. A study of a wet-process shotcreting method. Dr. ing Thesis, Norwegian Institute of Technology, Trondheim, 1985. Traetteberg A. and Alstad R. Volumstabilitet i blandingssementer med rdjernslagg og silikastov. F C B / S I N T E F , Norwegian Institute of Technology, T r o n d h e i m , 1 9 8 1 , Report S T F 65 A 8 1 0 3 4 . (In Norwegian). Maage M . Modifisert Portland cement. F C B / S I N T E F , Norwegian Institute of Technology, Trondheim, 1983, Report S T F 65 A 8 3 0 6 3 . (In Norwegian).

32. Carbonation depths of concretes after 6 years of exposure at 20°C and 50% RH. Precuring prior to exposure: (a) 1 day in mould; (b) 1 day in mould, then 27 days in water. (From ref 192). for weaker mixes, but the carbonation depths were greater. For example, badly-cured 25 MPa control concrete showed a depth of about 32 mm, while a well-cured com­ panion showed about 22 mm. The effect of CSF (5, 10, and 20%) was small at 5 % dosage, but the trend was clear for both types of exposure when comparison was made on an equal 28-day strength basis: increased CSF dosage led to increased carbonation depths.

And Sanne P. Effekt av silica og flygeaske pa betongens fasthetsutvikling. Norwegian Institute of Technology, Trondheim, 1982, Report B M L 8 2 . 5 0 1 . (In Norwegian). Carles-Gibergues A. et al. U s e of fly ash and silica for manufacturing rapid hardening cements. Proc. Colloque International Util. ), Paris, France, 1980. (In French). Johansen R. and Dahl P . A . Silikabetongens heftegenskaper. Presented at the seminar Bruk av silika i betong, Norske Sivilingeniorers Forening, Oslo, Oct. 1983.

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