M
Mario Collepardi
Researcher at Polytechnic University of Milan
Publications - 28
Citations - 727
Mario Collepardi is an academic researcher from Polytechnic University of Milan. The author has contributed to research in topics: Ettringite & Superplasticizer. The author has an hindex of 12, co-authored 28 publications receiving 645 citations. Previous affiliations of Mario Collepardi include Sapienza University of Rome.
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Mswi ashes as mineral additions in concrete
TL;DR: In this paper, the effect of replacing part of portland cement with fly ash and bottom ash, both from municipal solid waste incinerators (MSWIs), was investigated. And the results showed that MSWI bottom ash is potentially attractive as mineral addition for the production of concrete, provided that the risk of entrapment of hydrogen bubbles produced by corrosion of aluminium metallic particles in the fresh concrete is prevented.
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Tricalcium aluminate hydration in the presence of lime, gypsum or sodium sulfate
TL;DR: In this article, the influence of Ca(OH) 2, CaSO 4 ·2H 2 O and Na 2 SO 4 on the C 3 A hydration was examined in order to study the retardation mechanism caused by lime and/or gypsum additions.
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Tetracalcium aluminoferrite hydration in the presence of lime and gypsum
TL;DR: In this article, the influence of lime and gypsum on the C4AF hydration was examined and the results were compared with those obtained for the C3A hydration.
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Sulfate attack of concrete building foundations induced by sewage waters
TL;DR: A case history of a severe degradation of concrete foundation plinths and piers of an about 35-year-old building located in Northern Italy is described in this article, where significant amounts of gypsum, near ettringite and/or thaumasite were detected by X-ray diffraction analyses performed on ground concrete samples.
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Combined effect of lignosulfonate and carbonate on pure portland clinker compounds hydration. I. Tetracalcium aluminoferrite hydration
TL;DR: In this article, the combined effect of sodium lignosulfonate and sodium carbonate on the C 4 AF hydration was examined by DTG and TG curves and by zeta potential measurements.