Search Results - "Hallet, Vincent"

Inorganic Polymers From CaO-FeOx-SiO2 Slag: The Start of Oxidation of Fe and the Formation of a Mixed Valence Binder by Peys, Arne, Douvalis, Alexios P., Hallet, Vincent, Rahier, Hubert, Blanpain, Bart, Pontikes, Yiannis

“…Belonging to the family of alternative cementitious materials, inorganic polymers are rising in importance because of the drive to decrease CO2 emissions of…”
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Effects of land use, slope gradient, and soil and water conservation structures on runoff and soil loss in semi-arid Northern Ethiopia by Taye, Gebeyehu, Poesen, Jean, Wesemael, Bas Van, Vanmaercke, Matthias, Teka, Daniel, Deckers, Jozef, Goosse, Tom, Maetens, Willem, Nyssen, Jan, Hallet, Vincent, Haregeweyn, Nigussie

“…Land degradation and recurrent drought are the major threats to rain-fed agriculture in the semi-arid Ethiopian highlands. Water harvesting has become a…”
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Les géosites karstiques, fondements du Geopark Famenne-Ardenne by Quinif, Yves, Delaby, Serge, Frebutte, Christian, Hallet, Vincent, Petit, Alain, Thys, Georges, Vankeerberghen, Michel, Vankeerberghen, Simon, Verheyden, Sophie

“…Le territoire wallon est très riche en sites naturels qui attirent de plus en plus de touristes. Cette ressource économique a une contrepartie : une pression…”
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Tracer Dispersion through Karst Conduit: Assessment of Small-Scale Heterogeneity by Multi-Point Tracer Test and CFD Modeling by Deleu, Romain, Frazao, Sandra Soarez, Poulain, Amaël, Rochez, Gaëtan, Hallet, Vincent

“…Tracer tests are widely used for characterizing hydrodynamics, from stream-scale to basin-wide scale. In karstic environments, the positioning of field…”
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The impact of slag fineness on the reactivity of blended cements with high-volume non-ferrous metallurgy slag by Hallet, Vincent, De Belie, Nele, Pontikes, Yiannis

“…•Non-ferrous metallurgy slag (NFMS) shows similar reactivity to siliceous fly ash.•Isothermal calorimetry revealed a retarding effect of NFMS on OPC…”
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Karstification in dolomitized Waulsortian mudmounds (Belgium) by Dewaide, Lorraine, Baele, Jean-Marc, Collon-Drouaillet, Pauline, Quinif, Yves, Rochez, Gaetan, Vandycke, Sara, Hallet, Vincent

“…The Waulsortian mudmounds consist of massive limestones that developed from late Tournaisian to early Visean. Secondary dolomitization has locally affected…”
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Surface and ground water interaction processes inside the Eau Blanche river basin (Dinant synclinorium - Belgium) by NOGAREDE, Pierre, LE MADEC, David, HALLET, Vincent

“…Gauging river flows, measurement of in-situ parameters (such as electrical conductivity, pH and temperature) and major ions analysis were used to examine, at 8…”
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Degradation of alkali‐activated Fe‐rich slag in magnesium sulfate solution by Wen, Nana, Hallet, Vincent, Peys, Arne, Pontikes, Yiannis

“…Abstract The potential of Fe‐rich non‐ferrous metallurgical slag (NFMS) in alkali‐activated materials has been demonstrated, exhibiting promising mechanical…”
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Hydration of blended cement with high volume iron-rich slag from non-ferrous metallurgy by Hallet, Vincent, Pedersen, Malene Thostrup, Lothenbach, Barbara, Winnefeld, Frank, De Belie, Nele, Pontikes, Yiannis

“…The hydration of blended cements with up to 70 wt% iron-rich slag was investigated. Isothermal calorimetry revealed a retarding effect of the slag on Portland…”
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Influence of CaO/FeO ratio on the formation mechanism and properties of alkali-activated Fe-rich slags by Siakati, Christina, Douvalis, Alexios P., Hallet, Vincent, Peys, Arne, Pontikes, Yiannis

“…In the search for CO2 mitigating cement technologies, alkali-activated Fe-rich slags present a possible alternative. The influence of the chemical composition…”
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Degradation of alkali-activated Fe-rich slag in acetic acid by Wen, Nana, Yu, Ziyou, Hallet, Vincent, Peys, Arne, Sakellariou, Dimitrios, Pontikes, Yiannis

“…Alkali-activated Fe-rich non-ferrous metallurgical slags (AA-NFMS) emerge as a novel, sustainable cementitious binder, but durability performance is one of the…”
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The hydration of ternary blended cements with Fe-rich slag from non-ferrous metallurgy and limestone by Hallet, Vincent, Pedersen, Malene Thostrup, Lothenbach, Barbara, Winnefeld, Frank, Eykens, Lies, De Belie, Nele, Pontikes, Yiannis

“…Fe-rich slags originating from non-ferrous metallurgy have shown promising properties as a new type of supplementary cementitious material (SCM). However,…”
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Effect of sodium sulfate activation on the early age behaviour and microstructure development of hybrid cementitious systems containing Portland cement, and blast furnace slag by Etcheverry, Juan Manuel, Villagran-Zaccardi, Yury Andres, Van den Heede, Philip, Hallet, Vincent, De Belie, Nele

“…Alkali activation may help to increase the early strength and reduce the setting time of mixtures with high contents of supplementary cementitious materials…”
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Assessment of groundwater recharge processes through karst vadose zone by cave percolation monitoring by Poulain, Amaël, Watlet, Arnaud, Kaufmann, Olivier, Van Camp, Michel, Jourde, Hervé, Mazzilli, Naomi, Rochez, Gaëtan, Deleu, Romain, Quinif, Yves, Hallet, Vincent

“…Recharge processes of karst aquifers are difficult to assess given their strong heterogeneity and the poorly known effect of vadose zone on infiltration…”
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Solute transport in heterogeneous karst systems: Dimensioning and estimation of the transport parameters via multi-sampling tracer-tests modelling using the OTIS (One-dimensional Transport with Inflow and Storage) program by Dewaide, Lorraine, Bonniver, Isabelle, Rochez, Gaëtan, Hallet, Vincent

“…•Tracer-tests are performed in a karstic network and breakthrough curves are modelled.•Transient storage is a major process in flooded areas, but not in river…”
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Correction: Double-peaked breakthrough curves as a consequence of solute transport through underground lakes: a case study of the Furfooz karst system, Belgium by Dewaide, Lorraine, Collon, Pauline, Poulain, Amaël, Rochez, Gaëtan, Hallet, Vincent

“…There was an error in the fluorimeter data computing for tracer test 1 ( Q = 20 l/s) at site 4. Indeed, due to a misinterpretation of the fluorimeter…”
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OM-MADE: An open-source program to simulate one-dimensional solute transport in multiple exchanging conduits and storage zones by Tinet, Anne-Julie, Collon, Pauline, Philippe, Camille, Dewaide, Lorraine, Hallet, Vincent

“…OM-MADE (One-dimensional Model for Multiple Advection, Dispersion, and storage in Exchanging zones) is an open-source python code for simulating…”
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Double-peaked breakthrough curves as a consequence of solute transport through underground lakes: a case study of the Furfooz karst system, Belgium by Dewaide, Lorraine, Collon, Pauline, Poulain, Amaël, Rochez, Gaëtan, Hallet, Vincent

“…The existence of double-peaked breakthrough curves (BTC), which are the result of the transport of a dye tracer through underground lakes, is reported…”
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Multipeaked breakthrough curves in karstic rivers: effects of a diffluence-confluence system by Deleu, Romain, Poulain, Amaël, Rochez, Gaëtan, Soares-Frazao, Sandra, Van Rentergem, Guy, De Poorter, Eli, Hallet, Vincent

“…In karstic environments, it is not unusual for an underground river to split into two or more streams (diffluence) and merge back together downstream…”
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Assessing the contribution of electrical resistivity tomography (ERT) and self-potential (SP) methods for a water well drilling program in fractured/karstified limestones by Robert, Tanguy, Dassargues, Alain, Brouyère, Serge, Kaufmann, Olivier, Hallet, Vincent, Nguyen, Frédéric

“…ERT and SP investigations were conducted in carbonate rocks of the Dinant Synclinorium (Walloon Region of Belgium) to find suitable locations for new water…”
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