Fracture properties of green mortars with recycled sand

Restuccia, Luciana

doi:10.3221/igf-esis.49.61

Cited by 2 publications

(2 citation statements)

References 28 publications

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“…Research was also conducted on the use of recycled sand (RS) in the manufacturing of mortars. The properties and amount of the fine aggregate used strongly influence mortar's rheological properties and workability [90]. The total quantity of material finer than 0.08 mm in the dry mix can be used as a control parameter for the workability of mortars, as it affects the water requirement and potential shrinkage of mortars with natural sand, recycled sand, or a mixture of them [91].…”

Section: Recycled Sand From Cdw In Mortar and Concretementioning

confidence: 99%

An Overview of Methods to Enhance the Environmental Performance of Cement-Based Materials

Suarez-Riera,

Restuccia,

Falliano

et al. 2024

Infrastructures

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Urbanization and demographic growth have led to increased global energy consumption in recent years. Furthermore, construction products and materials industries have contributed significantly to this increase in fossil fuel use, due to their significant energy requirements, and consequent environmental impact, during the extraction and processing of raw materials. To address this environmental problem, architectural design and civil engineering are trying to implement strategies that enable the use of high-performance materials while minimizing the usage of energy-intensive or toxic and dangerous building materials. These efforts also aim to make buildings less energy-consuming during their useful life. Using waste materials, such as Construction and Demolition Waste (CdW), is one of the most promising approaches to address this issue. In recent years, the European Union (EU) has supported recovery strategies focused on using CdW, as they account for more than 30% of the total waste production in the EU. In this regard, reuse techniques—such as incorporating concrete fragments and bricks as road floor fillers—have been the subject of targeted scientific research. This review will outline various strategies for producing green cement and concrete, particularly emphasizing the reuse of Construction and Demolition Waste (CdW).

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Section: Recycled Sand From Cdw In Mortar and Concretementioning

confidence: 99%

An Overview of Methods to Enhance the Environmental Performance of Cement-Based Materials

Suarez-Riera,

Restuccia,

Falliano

et al. 2024

Infrastructures

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“…The mixing water used for making the various mixtures comes from the public drinking water distribution network in accordance with standard NF EN 1008 [27][28][29][30][31].…”

Section: Materials: Mixing Watermentioning

confidence: 99%

Valorization and recycling of packaging belts and post-consumer PET bottles in the manufacture of sand concrete

Biskri

Benzerara

Babouri

et al. 2022

Frattura Ed Integrità Strutturale

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The valorization of local by-products in the manufacture of a new range of sand concrete and the improvement of their properties, will lead to seek an arrangement between performance and cost in order to achieve a resistant material. Waste recycling affects two very important affect namely the environmental impact and the economic impact. The main objective of our work is to contribute to optimize the formulation of sand concrete as part of the recovery of waste, which is harmful to the environment given its bulky and unattractive nature, it is waste plastic. Most PET bottles become waste after use, causing environmental problems. To solve this problem, a method for recycling PET bottles as fibers to strengthen concrete is proposed. Two types of plastic waste are added to sand concrete; the first concerns the recycling of post-consumer bottles in PET, in the form of polyester fiber supplied by the company RET-PLAST and the second type concerns the packaging belts made of polyethylene terephthalate (PET). The properties in the fresh state (workability and density) and in the hardened state (compressive strength, tensile strength and water absorption) of the various produced concretes are analyzed and compared against their respective controls. From the experimental results, it can be concluded that the reinforcement of the cement matrix with PET fibers with a rate of 1% improves the mechanical properties of sand concrete as well as a remarkable decrease in its water absorption capacity.

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Fracture properties of green mortars with recycled sand

Cited by 2 publications

References 28 publications

An Overview of Methods to Enhance the Environmental Performance of Cement-Based Materials

An Overview of Methods to Enhance the Environmental Performance of Cement-Based Materials

Valorization and recycling of packaging belts and post-consumer PET bottles in the manufacture of sand concrete

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