Experimental Study with Plaster Mortars Made with Recycled Aggregate and Thermal Insulation Residues for Application in Building

Morón, Carlos; Dorado, Manuel Álvarez; Saíz, Pablo

doi:10.3390/su14042386

Cited by 17 publications

(11 citation statements)

References 45 publications

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“…The authors state that the polystyrene foam can guarantee a thermal mortar with excellent water tolerance and weather resistance. Other studies with EPS waste were also considered satisfactory in terms of water absorption and capillarity of the studied mortars [43,47,68,69]. Due to the good results obtained after incorporating EPS waste into mortars, Bicer et al [46] expanded the study to evaluate the addition of waste to concrete.…”

Section: Water Absorption and Capillaritymentioning

confidence: 96%

“…It is also worth highlighting that most authors took compressive strength into consideration when studying thermal mortars with waste to meet the minimum criteria defined in the standards for their use. This fact is understandable, since the introduction of low-density materials, such as waste, tends to cause a reduction in the mechanical resistance of mortars [42,43].…”

Section: Word and Keyword Co-occurrencesmentioning

confidence: 99%

“…Mineral wastes: fly ash a,b,e (12), mineral wool waste a,c,e (4), fibre glassa (2), recycled brass fibres e (1), mining residues b (1), expanded glass a (1), recycled pyroclastic aggregates a (1) [28,29,34,39,[41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56] 2…”

Section: Item Wastesmentioning

confidence: 99%

“…Some authors studied thermal mortars by adding EPS, paper sludge ash and waste insulation materials, recycled concrete aggregates and ceramic waste, and their tests resulted in mortars with better thermal performance [42,43,54,71,78]. These authors also state that the reduction in mortar density is strongly related to low thermal conductivity values [54].…”

Section: Thermal Performancementioning

confidence: 99%

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Incorporation of Waste in Thermal Mortars—A Literature Review

Barros,

Barreira,

Maia

et al. 2024

Buildings

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Innovation in construction plays a fundamental role in helping us face current challenges, namely the reduction in energy consumption, the mitigation of the effects of climate change, the depletion of resources, and the generation of waste. Regarding the built environment, improving the thermal properties of the building envelope is one of the growing needs to reduce energy consumption in the building sector. In this context, thermal mortars have been a trend in the construction industry in recent years due to their ability in reducing heat transfer through the building envelope. On the other hand, the addition of waste has been studied as an alternative to improve the thermal properties of mortars and reduce the consumption of primary materials in the construction sector. This work aims to carry out a detailed review regarding the incorporation of waste in thermal mortars through the application of scientometric data analysis and a systematic literature review. To this end, the different residues incorporated into thermal mortars and the various percentages and forms of incorporation were identified throughout the publications gathered in this review. The most studied properties regarding the thermal mortars with the addition of waste were also the subject of study. A comprehensive database of thermal mortars with the incorporation of waste is presented, in which the objectives of the studies, the wastes and forms of incorporation and the measured properties are highlighted. The main results of the analysed researches are deeply discussed and the gaps in this area of the knowledge are identified to point out new directions and possible perspectives for future studies in the field of thermal mortars incorporating waste.

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Section: Water Absorption and Capillaritymentioning

confidence: 96%

Section: Word and Keyword Co-occurrencesmentioning

confidence: 99%

Section: Item Wastesmentioning

confidence: 99%

Section: Thermal Performancementioning

confidence: 99%

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Incorporation of Waste in Thermal Mortars—A Literature Review

Barros,

Barreira,

Maia

et al. 2024

Buildings

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“…The binder used in this research was grey cement, as it is the most used in the building sector [22]. The Instruction for the Reception of RC-16 Cements includes recommendations for the use of the diverse types of cement with the aim of facilitating their selection [34,35]. In this work, a cement type CEM II/B-M (V-L) 32.5 N was used.…”

Section: Bindermentioning

confidence: 99%

Recovery of Mineral Wool Waste and Recycled Aggregates for Use in the Manufacturing Processes of Masonry Mortars

et al. 2022

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The environmental problems caused by industrial waste are of a universal nature. In this sense, achieving an adequate management of construction and demolition waste has become one of the great challenges of today’s society. This work studies the possibility of recovering mineral wool thermal insulation waste for its reincorporation into the manufacturing process of masonry mortar. To this end, an experimental campaign has been conducted with mortars made with natural aggregate and two types of recycled aggregates: concrete and mixed ceramic, in which mineral wool fibers are incorporated as a partial replacement of sand in percentages of 0%, 10% and 20%. The results show that, although the traditional mortars offer better technical performance, the mortars made with recycled aggregate present adequate viability for use on-site. Furthermore, it has been concluded that the incorporation of recycled mineral wool fibers in the mortar matrix decreases the thermal conductivity and shrinkage during the setting of these materials, increasing their mechanical flexural strength and durability.

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Residual compressive strength of EPS lightweight concrete under heating–air cooling regime

Maghrebi,

Sabeur,

Miled

2024

Structural Concrete

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This paper presents an experimental study on the evolution of the residual compressive strength of expanded polystyrene (EPS) lightweight concrete submitted to different heating–air cooling regimes. Cubic concrete specimens with three EPS volume fractions (10%, 30%, and 50%) and three EPS beads diameters (2, 4, and 6 mm) were tested. Various temperature plateaus were applied ranging from 100 to 700°C by steps of 100°C, with an average temperature rise rate of 5°C/min. The plateaus were kept maintained for 2 h. Then, a compressive test was performed on each lightweight concrete specimen after allowing it to cool down to room ambient temperature for 24 h. The results showed a significant decrease in the EPS concrete residual compressive strength with increasing EPS volume fraction. Further, it was observed that the variation in the EPS beads diameter for the same volume fraction of polystyrene has a small effect on the residual compressive strength of EPS concrete. Finally, it was found also that lightweight concrete retains 80% of its strength at ambient temperature up to the plateau temperature of 500°C followed by an important degradation above 500°C.

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Experimental Study with Plaster Mortars Made with Recycled Aggregate and Thermal Insulation Residues for Application in Building

Cited by 17 publications

References 45 publications

Incorporation of Waste in Thermal Mortars—A Literature Review

Incorporation of Waste in Thermal Mortars—A Literature Review

Recovery of Mineral Wool Waste and Recycled Aggregates for Use in the Manufacturing Processes of Masonry Mortars

Residual compressive strength of EPS lightweight concrete under heating–air cooling regime

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