%0 Journal Article %T Activaci¨®n t¨¦rmica de bentonitas para su utilizaci¨®n como puzolanas %A Tironi %A A %A Trezza %A M %A Irassar %A E %A Scian %A A %J Revista de la construcci¨®n %D 2012 %I Scientific Electronic Library Online %R 10.4067/S0718-915X2012000100005 %X the reactivity of two calcined bentonites from different regions of argentina for use as pozzolanic additions to portland cement were analyzed. through techniques of xrd, ir spectroscopy, tests of lime consumption and mechanical strength were relations structural changes, occurring during heat treatment, with pozzolanic behavior. %K pozzolans %K bentonite %K cement. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0718-915X2012000100005&lng=en&nrm=iso&tlng=en