2002
DOI: 10.4267/dechets-sciences-techniques.2405
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Amélioration des caractéristiques du phosphogypse en vue de son utilisation en technique routière

Abstract: In order to transform phosphogypsum, an industrial waste, into a material for road construction, many studies of characterization, mechanical behavior, durability and environmental impact must be done. Our paper presents a contribution to the valorization of Tunisian phosphogypsum in road construction. First we confirmed that phosphogypsum presented a bad mechanical behavior in damp curing conditions and especially in presence of water. This deterioration of the material in water can largely be explained by a … Show more

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Cited by 4 publications
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“…But the results were not encouraging, and the attempts were quickly abandoned in France as in the USA (Florida) because of the heavy rains [7]. On the other hand, its use in regions with low rainfall, such as southern Tunisia, remains possible [8]. A recent work [9] has examined the use of phosphogypsum for the production of bituminous materials and has shown that PG can improve the mechanical properties of the asphalt binder as well as its performance against rutting.…”
Section: Introductionmentioning
confidence: 99%
“…But the results were not encouraging, and the attempts were quickly abandoned in France as in the USA (Florida) because of the heavy rains [7]. On the other hand, its use in regions with low rainfall, such as southern Tunisia, remains possible [8]. A recent work [9] has examined the use of phosphogypsum for the production of bituminous materials and has shown that PG can improve the mechanical properties of the asphalt binder as well as its performance against rutting.…”
Section: Introductionmentioning
confidence: 99%