Search Results - "LE SAOUT, Gwenn"

Application of the Rietveld method to the analysis of anhydrous cement by Le Saoût, Gwenn, Kocaba, Vanessa, Scrivener, Karen

“…X-ray powder diffraction allows direct measurement of the phase content in cement. More recently, whole pattern approaches such as the Rietveld method show an…”
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Alkali-Silica Reaction: the Influence of Calcium on Silica Dissolution and the Formation of Reaction Products by Leemann, Andreas, Le Saout, Gwenn, Winnefeld, Frank, Rentsch, Daniel, Lothenbach, Barbara

“…In a model system for alkali–silica reaction consisting of microsilica, portlandite (0–40 mass%), and 1M alkaline solutions (NaOH, KOH), the influence of…”
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The origin of early age expansions induced in cementitious materials containing shrinkage reducing admixtures by Sant, Gaurav, Lothenbach, Barbara, Juilland, Patrick, Le Saout, Gwenn, Weiss, Jason, Scrivener, Karen

“…Studies on the early-age shrinkage behavior of cement pastes, mortars, and concretes containing shrinkage reducing admixtures (SRAs) have indicated these…”
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Effect of Plasticizer on Hydration and Rheological Behavior of Cement Pastes by El Bitouri, Youssef, Azéma, Nathalie, Le Saoût, Gwenn, Lauten, Rolf Andreas, De Weerdt, Klaartje

“…Lignosulfonate-based admixtures (LS) obtained from sulfite pulping processes were the first dispersants added as a water-reducer to concrete. Less effective…”
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Solid Solutions between CrO4- and SO4-Ettringite Ca6(Al(OH)6)2[(CrO4) x (SO4)1-x ]326 H2O by Leisinger, Sabine M, Lothenbach, Barbara, Saout, Gwenn Le, Kägi, Ralf, Wehrli, Bernhard, Johnson, C. Annette

“…Chromate is a toxic contaminant of potential concern, as it is quite soluble in the alkaline pH range and could be released to the environment. In cementitous…”
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Hydration of Portland cement with additions of calcium sulfoaluminates by Le Saoût, Gwenn, Lothenbach, Barbara, Hori, Akihiro, Higuchi, Takayuki, Winnefeld, Frank

“…The effect of mineral additions based on calcium aluminates on the hydration mechanism of ordinary Portland cement (OPC) was investigated using isothermal…”
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Influence of limestone and anhydrite on the hydration of Portland cements by Zajac, Maciej, Rossberg, Anne, Le Saout, Gwenn, Lothenbach, Barbara

“…The addition of CaCO3 and CaSO4 to Portland cement clinker influences the hydration and the strength development. An increase of the CaSO4 content accelerates…”
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Influence of limestone on the hydration of Portland cements by Lothenbach, Barbara, Le Saout, Gwenn, Gallucci, Emmanuel, Scrivener, Karen

“…The influence of the presence of limestone on the hydration of Portland cement was investigated. Blending of Portland cement with limestone was found to…”
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The influence of in situ polymerized epoxidized A/F bisphenol-chitosan on features of oilwell cement slurry-Molecular-level analysis and long-term interaction of API fracturing fluid by Vieira, Eunice F. S., Lima, Pablo F., dos Santos, Ivory M. G., Mangrich, Antonio S., de França, Amanda A., Le Saoût, Gwenn, Cestari, Antonio R.

“…ABSTRACT A novel oilwell cement slurry was prepared with in situ polymerized epoxidized A/F bisphenol–chitosan and characterized by 29Si NMR and EPR…”
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Hardened behavior of mortar based on recycled aggregate: Influence of saturation state at macro- and microscopic scales by Le, Thang, Le Saout, Gwenn, Garcia-Diaz, Eric, Betrancourt, Damien, Rémond, Sébastien

“…•Effect limits the strength of RCA can be identified by using the De Larrard’s approach.•Microstructure of RAC can be analyzed by image analysis and…”
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Hydration Degree of Alkali-Activated Slags: A 29Si NMR Study by Le Saoût, Gwenn, Ben Haha, Mohsen, Winnefeld, Frank, Lothenbach, Barbara

“…A commercial blast furnace slag was activated using either sodium hydroxide or hydrous sodium metasilicate, and the degree of hydration was determined by 29Si…”
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Understanding the setting and hardening process of wollastonite-based brushite cement. Part 2: Influence of the boron and aluminum concentrations in the mixing solution by Laniesse, Priscillia, Cau Dit Coumes, Céline, Le Saout, Gwenn, Mesbah, Adel

“…The mixing solution of wollastonite-based brushite cement is a phosphoric acid solution containing metallic cations and borax. This work complements a previous…”
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Fire behaviour of EPDM/NBR panels with paraffin for thermal energy storage applications. Part 2: Analysis of the combustion residues by Valentini, Francesco, Callone, Emanuela, Dirè, Sandra, Roux, Jean-Claude, Lopez-Cuesta, Josè-Marie, le-Saout, Gwenn, Fambri, Luca, Dorigato, Andrea, Pegoretti, Alessandro

“…•great reactivity of montmorillonite (oMMT) in presence of phosphates.•formation of different Al-O-P and Si-O-P compounds.•mechanism of fire behaviour occurred…”
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Influence of the calcium sulphate source on the hydration mechanism of Portland cement–calcium sulphoaluminate clinker–calcium sulphate binders by Pelletier-Chaignat, Laure, Winnefeld, Frank, Lothenbach, Barbara, Saout, Gwenn Le, Müller, Christian Jörg, Famy, Charlotte

“…Two different binders composed of Portland cement, calcium sulphoaluminate clinker and calcium sulphate were studied from early hydration to 28 days, one…”
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Elucidating the Role of the Aluminous Source on Limestone Reactivity in Cementitious Materials by Puerta-Falla, Guillermo, Balonis, Magdalena, Le Saout, Gwenn, Falzone, Gabriel, Zhang, Carolyn, Neithalath, Narayanan, Sant, Gaurav

“…When limestone (CaCO3) is present in ordinary portland cement (OPC), carbonate‐AFm phases (i.e., hemi‐ and/or mono‐carboaluminate) are stabilized at the…”
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Chemical structure of cement aged at normal and elevated temperatures and pressures, Part II: Low permeability class G oilwell cement by Le Saoût, Gwenn, Lécolier, Eric, Rivereau, Alain, Zanni, Hélène

“…Recently, Low Permeability Cement formulation has been developed for oilwell cementing. Therefore, it is important to understand the physical and chemical…”
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influence of slightly and highly soluble carbonate salts on phase relations in hydrated calcium aluminate cements by Puerta-Falla, Guillermo, Balonis, Magdalena, Le Saout, Gwenn, Kumar, Aditya, Rivera, Melanie, Falzone, Gabriel, Neithalath, Narayanan, Sant, Gaurav

“…The addition of slightly (CaCO₃) and highly soluble (Na₂CO₃) carbonate salts is expected to favor the formation of carboaluminate phases in hydrated calcium…”
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Incorporation of Fly Ash in Flame-Retardant Systems of Biopolyesters by Batistella, Marcos, Roux, Jean-Claude, Masarra, Nour-Alhoda, le Saout, Gwenn, Xenopoulos, Constantinos, Lopez-Cuesta, José-Marie

“…The incorporation of fly ash in polybutyl succinate (PBS) and polybutyl adipate terephtalate (PBAT) in the partial replacement of ammonium polyphosphate and/or…”
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Effects of Basicity and Mesh on Cr Leaching of EAF Carbon Steel Slag by Mombelli, Davide, Barella, Silvia, Gruttadauria, Andrea, Mapelli, Carlo, Le Saout, Gwenn, Garcia-Diaz, Eric

“…The slag’s chromium leaching is one of the most pressing concerns in Electric Arc Furnace (EAF) carbon and stainless steels production. In recent years, many…”
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Thermodynamic modeling of solid solutions between monosulfate and monochromate 3CaO • Al2O3 • Ca[(CrO4)X(SO4)1-X] • nH2O by LEISINGER, Sabine M, LOTHENBACH, Barbara, LE SAOUT, Gwenn, ANNETTE JOHNSON, C

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