Effects of porous ceramic roof tile waste aggregate on strength development and carbonation resistance of steam-cured fly ash concrete

Autores: Ogawa, Y. et Al This study aims to investigate the effects of porous ceramic waste coarse aggregate (PCWA), which was used as an internal curing agent, on the compressive strength, shrinkage, and carbonation resistance of steam-cured concrete using fly ash (FA) at the replacement ratios of 0%, 20%, and 40% by mass. The PCWA replacement ratios amounted to 0%, 10%, and 20% of the coarse aggregate […]

Effects of ceramic tile powder waste on properties of self-compacted alkali-activated concrete

Autores: Huseien, G.F. et Al This study explored rheological and hardened-state properties of self-compacting alkali-activated concrete (SCAAC) incorporating ceramic tile powder waste (CPW) for construction activities. Samples containing 100% ground blast furnace slag (GBFS) were used as reference. Test data revealed that the mini-slump flow enhanced, while the plastic viscosity of SCAAC reduced when 50% or higher concentration of CPW was mixed with GBFS. Also, CPW affected […]

Life cycle assessment of sanitaryware production: A case study in Italy

Autores: Silvestri, L. et Al Sanitaryware products are one of the most diffused ceramic materials. In the present study, an environmental assessment of sanitaryware production was carried out. The Life Cycle Assessment was performed with a cradle-to-gate approach, considering the product life cycle from resource extraction to the factory gate of an Italian company and it aims to evaluate the environmental weight of sanitaryware production, […]

Mechanical characterisation of a low-thickness ceramic tile cladding subject to ageing phenomena

Autores: Bazzocchi, F. et Al In recent years, an innovative system for a rainscreen façade system with low thickness and large tiles of porcelain stoneware has been patented. This paper presents the results of a large experimental campaign investigating mechanical performance of a ceramic tile in 3different configurations: tile without net, with fiberglass net glued on the back, and the entire cladding system (slab/net/frame). The main objective […]

Studying the feasibility of a selection of Southern European ceramic clays for the production of lightweight aggregates

Autores: Moreno-Maroto, J.M. et Al Nine clays traditionally used in the ceramic brick and tile sector in Southern Europe were evaluated for the production of lightweight aggregates: four from Spain, three from Portugal and two from Italy. The clays’ suitability was thoroughly examined according to their capacity for pelletizing, their tendency to burst during heating, the firing temperature and their technological properties. A greater proportion of phyllosilicates over nonplastic […]

Effects of porous ceramic roof tile waste aggregate on strength development and carbonation resistance of steam-cured fly ash concrete

Autores: Ogawa, Y. et Al This study aims to investigate the effects of porous ceramic waste coarse aggregate (PCWA), which was used as an internal curing agent, on the compressive strength, shrinkage, and carbonation resistance of steam-cured concrete using fly ash (FA) at the replacement ratios of 0%, 20%, and 40% by mass. The PCWA replacement ratios amounted to 0%, 10%, and 20% of the coarse aggregate […]

Recycled geopolymer aggregates as coarse aggregates for Portland cement concrete and geopolymer concrete: Effects on mechanical properties

Autores: Mesgari, S. et Al The available literature on recycling of geopolymer concrete is currently limited to application of recycled geopolymer aggregates as coarse aggregates for new geopolymer concrete. This paper highlights an alternative waste management strategy for geopolymer concrete construction and demolition waste by illustrating the suitability of recycled geopolymer aggregates for full or partial replacement of coarse natural aggregates in the widely used […]

Experimental investigation on transpiration cooling for porous ceramic with liquid water

Autores: Zhang, B. et Al Experiments are conducted in the arc-heated wind tunnel to investigate the transpiration cooling performances for SiC porous ceramic (0.98 g/cm3) with liquid water. It is experimentally found a new phenomenon that the ice beard forms on the specimen in the high enthalpy environment (15000 kJ/kg). Besides, the shape and size of ice beard are related to the uniformity of pores distribution on […]

Foamed concrete incorporating mineral admixtures and pulverized ceramics: Effect of phase change and mineralogy on strength characteristics

Autores: Awoyera, P.O. et Al Different microstructural changes occur in cement based materials as a result of the interaction between the aggregate particles and paste matrix, during mixing, compaction and placement. Such intrinsic modifications, in terms of paste density, interfacial transition zone, permeability and others, tend to improve or lessen the strength properties of concrete. This study evaluates the microstructure, mineralogy, phase change and strength […]

Effects of porous ceramic roof tile waste aggregate on strength development and carbonation resistance of steam-cured fly ash concrete

Autores: Ogawa, Y. et Al This study aims to investigate the effects of porous ceramic waste coarse aggregate (PCWA), which was used as an internal curing agent, on the compressive strength, shrinkage, and carbonation resistance of steam-cured concrete using fly ash (FA) at the replacement ratios of 0%, 20%, and 40% by mass. The PCWA replacement ratios amounted to 0%, 10%, and 20% of the coarse aggregate […]



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