. Introduction
Type I Portland cement is currently widely used to build various
constructions because of its high compressive strength. However, as
the quantity of cement needed for construction projects increases,
increasing amounts of raw materials from natural resources are
consumed. If some of these raw materials can be replaced by cheaper
materials of similar composition, the concrete production cost
could be reduced without affecting its quality. For this reason, bagasse
ash, the by-product from burning sugar cane (or bagasse) as
a fuel to heat steam for electricity generation as well as the sugar
extraction process, has been chosen for further investigation.
In general, bagasse ash is disposed of in landfills and is now
becoming an environmental burden. It is estimated that more than
200,000 tons of bagasse ash are produced every year in Thailand
[1], and this increases annually. Our study of bagasse ash for potential
application in concrete production was introduced by Martirena
et al. [2], who used different waste ashes from the sugar
industry as pozzolanic materials in lime-pozzolan binders. They
found that the sugar cane bagasse ash produced in the boilers of
the sugar industry could be classified as a pozzolanic material. Subsequently,
Singh et al. [
. IntroductionType I Portland cement is currently widely used to build variousconstructions because of its high compressive strength. However, asthe quantity of cement needed for construction projects increases,increasing amounts of raw materials from natural resources areconsumed. If some of these raw materials can be replaced by cheapermaterials of similar composition, the concrete production costcould be reduced without affecting its quality. For this reason, bagasseash, the by-product from burning sugar cane (or bagasse) asa fuel to heat steam for electricity generation as well as the sugarextraction process, has been chosen for further investigation.In general, bagasse ash is disposed of in landfills and is nowbecoming an environmental burden. It is estimated that more than200,000 tons of bagasse ash are produced every year in Thailand[1], and this increases annually. Our study of bagasse ash for potentialapplication in concrete production was introduced by Martirenaet al. [2], who used different waste ashes from the sugarindustry as pozzolanic materials in lime-pozzolan binders. Theyfound that the sugar cane bagasse ash produced in the boilers ofthe sugar industry could be classified as a pozzolanic material. Subsequently,Singh et al. [
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