2001
DOI: 10.1590/s1516-14392001000400013
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Evaluation of paper industry wastes in construction material applications

Abstract: The influence of the application of residues from the cellulose and paper industry in construction mortar was investigated. Mortars were prepared with CPI-S-32 or CPII-Z-32 Portland cements and sand in a 1:3 proportion. Four solids residues, i.e., Fiber, Dregs, Bottom Ash and Grit, were incorporated in the mortars in varying proportions. The bottom ash and dregs were used in place of cement, while fiber and grit were used to replace sand. The aging time of the samples was varied from 7 to 28 days. The results … Show more

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Cited by 20 publications
(14 citation statements)
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“…In an effort to minimize these costs and at the same time protect the environment, many studies have concentrated on assessing the utilization of certain wastes as raw materials in the construction industry [1][2][3][4]. Depending upon their chemical composition, these wastes can be incorporated into mortars to partially replace cement and/or aggregate.…”
Section: Introductionmentioning
confidence: 99%
“…In an effort to minimize these costs and at the same time protect the environment, many studies have concentrated on assessing the utilization of certain wastes as raw materials in the construction industry [1][2][3][4]. Depending upon their chemical composition, these wastes can be incorporated into mortars to partially replace cement and/or aggregate.…”
Section: Introductionmentioning
confidence: 99%
“…The residue also contains sulfur, which may react with calcium to form ettringite crystals, but these chemical elements encounter unfavorable conditions when in contact with inert ash. The effect of inert ash on mechanical strength has already been demonstrated in earlier studies 5 , in which two commercial Portland cements were used -CPII-Z-32 and CPI-S-32. The former, CPII-Z-32, containing a large amount of inert ash, showed low mechanical strength in the order of 5 MPa after 28 days of curing in a saturated medium.…”
Section: Discussion Of the Resultsmentioning
confidence: 64%
“…Since then, industrial wastes have become a major concern, involving legal environmental responsibility and final disposal costs. In an effort to minimize these costs, many studies have concentrated on assessing the utilization of certain wastes as raw materials in the construction industry [1][2][3][4][5] . Depending upon their chemical composition, these wastes can be incorporated into mortars to partially replace cement and/or aggregate.…”
Section: Introductionmentioning
confidence: 99%
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