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Open AccessCorrection: Viscosity transition from dilute to concentrated cementitious suspensions: the effect of colloidal interactions and flocs percolation
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Open AccessViscosity transition from dilute to concentrated cementitious suspensions: the effect of colloidal interactions and flocs percolation
The current paper deals with the effect of powder type and chemical admixtures on the rheological properties of mineral suspensions. The plastic viscosity of calcite, cement, and fly ash suspensions with or wi...
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Design of cement-based materials with robust viscosity: from polymer solution scale to concrete scale
The current study aims at develo** a multi-scale model for designing cement-based materials with robust viscosity. The influence of the constituent content on the plastic viscosity of cement-based materials ...
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Effects of fineness and substitution ratio of limestone powder on yield stress of cement suspensions
This paper aims at investigating the evolution of the yield stress of cement suspensions with the variation of its properties for an environmentally friendly alternative material of cement clinker, the limesto...
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Characterization of surface hardness and microstructure of high performance concrete
The relationship between compressive strength obtained by universal testing machine and rebound value obtained by the hammer of high performance concrete was systematically investigated at the macro level. And...
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Simulation of the cracking and ablation behavior of ferro-siliceous and siliceous nuclear sacrificial concretes
We investigated the simulation of the cracking and ablation behavior of ferro-siliceous and siliceous nuclear sacrificial concretes. To this end, four type of sacrificial concretes were fabricated, i e, the ferro...
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Effect of functional chemical admixtures on the performance of cement asphalt mortar used in ballastless track
Chemical admixtures are of paramount importance to the performance of modern cement based composites. In this paper, we performed a series of tests to investigate the effects of chemical admixtures on the ceme...
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Synthesis and heavy metal immobilization behaviors of fly ash based gepolymer
Two aspects of studies were carried out: 1) synthesis of geopolymer by using fly ash and metakaolin; 2) Immobilization behaviors of fly ash based geopolymer in a presence of Pb and Cu ions. As for the synthesi...