Search Results - "Yu, Q.L."

Characterization and application of municipal solid waste incineration (MSWI) bottom ash and waste granite powder in alkali activated slag by Gao, X., Yuan, B., Yu, Q.L., Brouwers, H.J.H.

“…In this paper, the feasibility of using two solid wastes in alkali activated slag composites as construction and building materials is evaluated. One waste is…”
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Synthesizing super-hydrophobic ground granulated blast furnace slag to enhance the transport property of lightweight aggregate concrete by Qu, Z.Y., Yu, Q.L.

“…•A super-hydrophobic GGBS is prepared through a ball milling method.•Optimum synthesis conditions to prepare super-hydrophobic GGBS are explored.•Applying…”
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Assessing the porosity and shrinkage of alkali activated slag-fly ash composites designed applying a packing model by Gao, X., Yu, Q.L., Brouwers, H.J.H.

“…•A particle packing model is used to design alkali activated slag-fly ash composites.•The relation between porosity and ingredients of alkali activated binder…”
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Reaction kinetics, gel character and strength of ambient temperature cured alkali activated slag–fly ash blends by Gao, X., Yu, Q.L., Brouwers, H.J.H.

“…•Slag/fly ash ratio and activator modulus show synergetic effects on reaction.•Activator modulus has a more significant influence on early age reaction.•Gel…”
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Characterization of alkali activated slag–fly ash blends containing nano-silica by Gao, X., Yu, Q.L., Brouwers, H.J.H.

“…•The nano-silica addition reduces the flowability and slightly retards the early age reaction.•The gel structure remains stable regardless of nano-silica…”
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Effect of PCE-type superplasticizer on early-age behaviour of ultra-high performance concrete (UHPC) by Li, P.P., Yu, Q.L., Brouwers, H.J.H.

“…•Early-age behaviours of UHPC incorporated different dosages of four PCE-type SPs are measured.•Dispersing and fluid-retaining mechanisms of SP on UHPC are…”
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Effects of Portland cement on activation mechanism of class F fly ash geopolymer cured under ambient conditions by Kaja, A.M., Lazaro, A., Yu, Q.L.

“…•A small cement addition enables ambient curing of class F fly ash-based geopolymer.•Setting of class F-based geopolymer is greatly accelerated by the cement…”
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Effect of admixture on the pore structure refinement and enhanced performance of alkali-activated fly ash-slag concrete by Keulen, A., Yu, Q.L., Zhang, S., Grünewald, S.

“…•Relation between workability and setting adjustment and admixture dosage is derived.•Compressive strength is significantly enhanced by the plasticizing…”
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Acoustic performance and microstructural analysis of bio-based lightweight concrete containing miscanthus by Chen, Yuxuan, Yu, Q.L., Brouwers, H.J.H.

“…•Densities and porosities of different forms of miscanthus fibers are measured.•Influential factors of fibers on mechanical properties of Miscanthus…”
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Effect of the morphology and pore structure of porous building materials on photocatalytic oxidation of air pollutants by Gauvin, F., Caprai, V., Yu, Q.L., Brouwers, H.J.H.

“…[Display omitted] •TiO2 coated porous substrates can degrade up to 99% of NO.•Morphology and pore structure of substrate greatly affect the PCO…”
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NOx degradation by photocatalytic mortars: The underlying role of the CH and C-S-H carbonation by Kaja, A.M., Brouwers, H.J.H., Yu, Q.L.

“…This study aims to understand the impact of carbonation mechanism of C-S-H and CH in photocatalytic mortars on NOx removal efficiency. Changes in surface…”
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Estimation of the joint roughness coefficient of rock joints by consideration of two-order asperity and its application in double-joint shear tests by Liu, X.G., Zhu, W.C., Yu, Q.L., Chen, S.J., Li, R.F.

“…Joint roughness has a significant influence on the shear behavior of rock joints. Many different statistical parameters have been used to estimate the joint…”
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Development of Ultra-Lightweight Fibre Reinforced Concrete applying expanded waste glass by Yu, R., van Onna, D.V., Spiesz, P., Yu, Q.L., Brouwers, H.J.H.

“…This paper presents the development of Ultra-Lightweight Fibre Reinforced Concrete (ULFRC) applying expanded waste glass in form of lightweight aggregates. The…”
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Effects of an eco-silica source based activator on functional alkali activated lightweight composites by Gao, X., Yu, Q.L.

“…•Eco-friendly functional alkali-activated lightweight composites are developed.•Effect of eco-silica source on alkali activation and carbon footprints is…”
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Indoor air purification using heterogeneous photocatalytic oxidation. Part I: Experimental study by Yu, Q.L., Brouwers, H.J.H.

“…Heterogeneous photocatalytic oxidation (PCO) has shown to be a promising air purifying technology in outdoor conditions using TiO2 as photocatalyst activated…”
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Development and properties evaluation of sustainable ultra-high performance pastes with quaternary blends by Li, P.P., Cao, Y.Y.Y., Brouwers, H.J.H., Chen, W., Yu, Q.L.

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Investigation on a green olivine nano-silica source based activator in alkali activated slag-fly ash blends: Reaction kinetics, gel structure and carbon footprint by Gao, X., Yu, Q.L., Lazaro, A., Brouwers, H.J.H.

“…In this paper, a green olivine nano-silica is synthesized and applied as an alternative silicate source to prepare alkali activators, and a commercial…”
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Evaluation of slag characteristics on the reaction kinetics and mechanical properties of Na2CO3 activated slag by Yuan, B., Yu, Q.L., Brouwers, H.J.H.

“…•Slag characteristics on Na2CO3 activated slag are explored.•Na2CO3 activation is considerably accelerated by controlling slag characteristics.•Increasing the…”
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Field study of NOx degradation by a mineral-based air purifying paint by Yu, Q.L., Hendrix, Y., Lorencik, S., Brouwers, H.J.H.

“…This paper studies the performance of a mineral-based transparent air purifying paint. The air pollutants removal efficiency of this photocatalytic paint was…”
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Development of cement-based lightweight composites – Part 1: Mix design methodology and hardened properties by Yu, Q.L., Spiesz, P., Brouwers, H.J.H.

“…This article aims at the development of durable cement-based lightweight aggregate composites, with a good balance between the thermal and mechanical…”
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