ABSTRACT
Siliea Fume uaagc ia varied and open to 1he imagination of the delligDen. It has become 10 an integralpart oflllllll)' of tho items we use in our daily life. Ill thia section we have chosen some of tho applicatiau that demoustrate 1ho wrslll:ilily of1ho product. From High Pcrl'OIDilii1Ce Conaete (HPC) in cODS1ruc:tim projects to:lik in lawn care pruducta ilill Tllther IIIIIUiJg how far thia "smoke'' by-product bas evolved. Tho earliest applications for hip-slrfilllt!lh aWes. fume conerm. were in columns for Jiish-rise a1ruc:turea • As CG11Crele stralllh b:mlses coblm size can be nclw.:ed ao4reinforcms steeldeaips in the columns can be simplified. Smaller cohmms eqaata1 to more ovuaD floor apace available to the owner of1be structure 1111d a aigail:klllt coat advaotage, particularly in urban aettinaJ.
ABSTRACT
An overview is given on the applications of microsilica in refractories starting more than 40 years ago . The role of microsilica in binder systems for briks and castables are discussed including reaction mechanisms at various temperatures . Critical parameters in these reactions are pointed out . Examples of application in castables are presented.