2021
DOI: 10.3390/app11177791
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Experimental Study with Cement Mortars Made with Recycled Concrete Aggregate and Reinforced with Aramid Fibers

Abstract: The reuse of construction and demolition waste is a necessary way to achieve greater sustainability in building, introducing the criteria of the so-called circular economy in the design of the production process of new construction materials. This research focuses on analyzing the properties of mortars made with recycled aggregates from concrete waste and reinforced with aramid fibers. For this purpose, an experimental campaign was carried out, including chemical, physical, mechanical and durability tests, per… Show more

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Cited by 19 publications
(9 citation statements)
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“…Regarding the chemical composition, this was obtained by X-ray fluorescence using Bruker S2 Puma equipment and is shown in Table 4. Table 4 shows the higher SiO 2 content of RAcon with respect to RAmix, which in turn has a higher CaO and SO 3 content because of gypsum impurities derived from the masonry wall cladding [44]. A higher Al 2 O 3 content is also observed in the RAmix because of the ceramic origin of the bricks used in the execution of masonry works [45].…”
Section: Aggregatesmentioning
confidence: 98%
“…Regarding the chemical composition, this was obtained by X-ray fluorescence using Bruker S2 Puma equipment and is shown in Table 4. Table 4 shows the higher SiO 2 content of RAcon with respect to RAmix, which in turn has a higher CaO and SO 3 content because of gypsum impurities derived from the masonry wall cladding [44]. A higher Al 2 O 3 content is also observed in the RAmix because of the ceramic origin of the bricks used in the execution of masonry works [45].…”
Section: Aggregatesmentioning
confidence: 98%
“…The objective of this study is to demonstrate how construction and demolition waste as common as crushed concrete [24][25][26] or ceramic from tiles and bricks [27][28][29] can be used as a secondary raw material that replaces natural aggregates, thus reducing the impact of the mining activity.…”
Section: Introductionmentioning
confidence: 99%
“…Its most relevant characteristics are collected in Table 3. [57], due to its good characteristics for making mortars. Its main properties include its soft hardness (25 mg CaCO 3 /L) and neutral pH between 7 and 8 recommended to avoid setting alterations [58].…”
Section: Start Of Setting (Min)mentioning
confidence: 99%