Non altered straw and sugar cane bagasse ash (CPC, CBC) collected directly from the boilers in the sugar industry and from non-controlled burning in the open fields turned up to be a reasonably good pozzolana, which can be utilized for the manufacture of lime-pozzolana binders. This paper presents a detailed survey of this material with the aim to use it as raw material in the manufacture of binders.
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Martirena-Hernández et al. (2000) studied this question.