Sustainability and Economic Viability of Self-healing Concrete Containing Super Absorbent Polymers

Summa, Davide di; Snoeck, Didier; Filho, José Roberto Tenório; Heede, Philip Van den; Vlierberghe, Sandra Van; Belie, Nele De; Ferrara, Liberato

doi:10.1007/978-3-031-21735-7_37

Cited by 2 publications

(3 citation statements)

References 22 publications

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“…The fine fraction was tested from 0.1 to 0.9, which was based on the volumetric ratio. The voids ratio of mixed fine and coarse aggregates can be calculated by the theoretical oven-dried density of the mixture ρ rd_n (see Equation (9), with the oven-dried density of the fine fraction ρ rd_1 and coarse fraction ρ rd_0 [41]) and the experimental loose bulk density of the mixture.…”

Section: Testing Methodsmentioning

confidence: 99%

“…Research on self-healing concrete is steadily growing with the emergence of innovations in terms of newly developed agents [1][2][3], standardisation of tests for self-healing materials [4,5], self-healing modelling [6,7], and commercialisation pathways [8,9]. The application of self-healing materials in concrete matrices is, however, rather limited, while they are mostly applied in paste and mortar matrices [10].…”

Section: Introductionmentioning

confidence: 99%

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Prediction of Aggregate Packing with Tubular Macrocapsules in the Inert Structure of Self-Healing Concrete Based on Dewar’s Particle Packing Model

Hermawan,

Simons,

Teirlynck

et al. 2024

Materials

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This paper brings a new insight into understanding the influence of macrocapsules in packing systems, which can be useful in designing the inert structure of self-healing concrete. A variety of tubular macrocapsules, in terms of types and sizes, was used to assess the capsules’ effect in the packing, together with various aggregate types and fractions. The voids ratios (U) of aggregate mixtures were evaluated experimentally and compared with the prediction via the particle packing model of Dewar. The packing of coarse particles was found to be considerably affected by the presence of macrocapsules, while no capsules’ effect on the packing of fine particles was attained. A higher capsule dosage and capsule aspect ratio led to a higher voids ratio. In the formulation of the inert structure, the packing disturbance due to capsules can be minimised by increasing the content of fine aggregates over coarse aggregates. Dewar’s model showed a good compatibility with experimental results in the absence of capsules. However, the model needed to be upgraded for the introduction of tubular macrocapsules. Accordingly, the effect of macrocapsules was extensively analysed and a ‘U model’ for capsules (with some limitations) was finally proposed, offering a high predicting accuracy.

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Section: Testing Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Prediction of Aggregate Packing with Tubular Macrocapsules in the Inert Structure of Self-Healing Concrete Based on Dewar’s Particle Packing Model

Hermawan,

Simons,

Teirlynck

et al. 2024

Materials

View full text Add to dashboard Cite

show abstract

“…Both works, with other contributions [70][71][72][73][74][75], represent the recent literature contributions oriented to harmonizing the economic sustainability of alternative materials, assuming a life-cycle and environmental perspective, as in this research.…”

mentioning

confidence: 98%

Concrete Self-Healing for Sustainable Buildings: A Focus on the Economic Evaluation from a Life-Cycle Perspective

Panza Uguzzoni,

Fregonara,

Ferrando

et al. 2023

Sustainability

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Concrete is one of the world’s most used and produced materials, based on its dominant role in the construction sector, both for the construction of new structures and for the repair, restoration, and retrofitting of built ones. Recently, research has been focused on the development of innovative solutions to extend the service life of reinforced concrete structures, specifically by introducing self-healing properties aimed at reducing the necessary maintenance interventions and, consequently, the environmental impacts. These solutions imply costs and financial feasibility impacts, which must be measured and evaluated to support the ranking of preferable alternatives. Thus, this paper proposes a methodology capable of supporting the selection of material/product options from the early design stages in the construction sector. Assuming a life-cycle perspective, the Life-Cycle Costing (LCC) approach is proposed for comparing three material solutions applied to the case study of a wall component hypothesized to be used in building construction in Turin, Northern Italy. Namely, traditional standard concrete and two different self-healing concrete types were evaluated using the Global Cost calculation of each solution. The focus is on the material service life as a crucial factor, capable of orienting investment decisions given its effects on the required maintenance activities (and related investments) and the obtainable residual value. Thus, according to a performance approach, LCC is combined with the Factor Method (FM). Assuming the capability of the lifespan to affect the Global Cost calculation, the results give full evidence of the potential benefits due to the use of self-healing materials in construction in terms of the reduction in maintenance costs, the increase in the durability of buildings and structures and related residual values, and consequently, the reduction in the environmental impacts.

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Sustainability and Economic Viability of Self-healing Concrete Containing Super Absorbent Polymers

Cited by 2 publications

References 22 publications

Prediction of Aggregate Packing with Tubular Macrocapsules in the Inert Structure of Self-Healing Concrete Based on Dewar’s Particle Packing Model

Prediction of Aggregate Packing with Tubular Macrocapsules in the Inert Structure of Self-Healing Concrete Based on Dewar’s Particle Packing Model

Concrete Self-Healing for Sustainable Buildings: A Focus on the Economic Evaluation from a Life-Cycle Perspective

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