Analysis of the properties of the self-compacting concrete mixed with tire rubber waste based on design of experiments

Werdine, Demarcus; Oliver, Guilherme Antônio; Almeida, Fabrício Alves de; Noronha, Mirian de Lourdes; Gomes, Guilherme Ferreira

doi:10.1016/j.istruc.2021.06.076

Cited by 18 publications

(9 citation statements)

References 8 publications

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“…7c showed that the rubber surface treated with NaOH plus water soaking was the roughest one with a negligible Fig. 5 Microstructure of SCC reference concrete in the absence of rubber [17] Fig. 6 SCRC microstructures having varying rubber percentages [17] gap between the rubber-cement matrix defining better adhesion properties of rubber.…”

Section: Microstructural Analysis and Effect Of Rubber Surface Modifi...mentioning

confidence: 99%

“…The analysis of the microstructure of SCRC is one of the most significant experimental procedures to identify the morphology and interfacial bonding between rubbers and cement matrix [77], location of cracks, and presence of voids inside the SCRC [17], which control almost every SCC's hardened properties performed by scanning electron microscope (SEM) [35]. Any concrete's mechanical and durability performance directly depends on the quality of mixing linkup with aggregates-cement.…”

Section: Microstructural Analysis and Effect Of Rubber Surface Modifi...mentioning

confidence: 99%

“…Using non-natural aggregates such as rubber cannot lead to the origination of chemical reactions, as natural aggregates can and cannot strengthen bonding with cement paste than natural aggregates [105]. The study of Werdine et al [17] showed that SCRCs were more susceptible to cracks, voids, and low adhesion between aggregates-cement matrix compared with reference SCC (0% RA) represented in Figs. 5 and 6.…”

Section: Microstructural Analysis and Effect Of Rubber Surface Modifi...mentioning

confidence: 99%

“…Due to its favorable influence on environmental and economic resilience in the building sector over the last twenty years, SCC is regarded one of the most significant advancements in the building industry [15][16][17]. SCC is a new type of concrete that has a high flowability and can spread readily under its own weight and compact without external vibration.…”

Section: Introductionmentioning

confidence: 99%

“…This type of concrete is more appropriate for tough casting conditions or sections with compacted steel reinforcement because of its great flowability [18]. Only if three criteria are met, concurrently, will a concrete be termed selfcompacting: fluidity, cohesiveness required for the mixture to flow unbroken between steel bars (or via ability), and resistance to segregation [17]. For placement and finishing, SCC does not require professional labor.…”

Section: Introductionmentioning

confidence: 99%

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A comprehensive review of the features of self-compacting rubberized concrete in the fresh and hardened states

Islam

Hasan

Khalid

et al. 2022

Archit. Struct. Constr.

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The rapid growth of urbanization and revolutionary improvement in the transportation industry paves the way for boosting tire production and generating a massive amount of waste tires every year. Waste tire disposal and proper maintenance have become a global concern because of the harmful chemical composition that conveys the potential to create an ecological imbalance that jeopardizes the world. One of the most powerful options is to ease the global problem by using recycled waste tires in the construction sector, especially in self-compacting concrete (SSC), as partial substitutes for natural aggregates, which lessens natural resource usage and eventually increases the long-term growth of economic efficiency in the construction industry. This study summarizes, compares, and draws general conclusions from over 100 independent studies in terms of the fresh and hardened state properties of rubberized concrete (RuC) to highlight and confirm the critical characteristics of the material. The results show that concrete containing crumb rubber (CR) reduces fresh and mechanical properties, where the inclusion of supplementary cement materials (SCM) such as slags, Metakaolin, and various fibers, such as steel fibers, synthetic fibers, and pre-treatment of rubber aggregates (RA) can successively enhance the fresh and hardened properties of self-compacting rubberized concrete (SCRC). Moreover, the inclusion of waste tires as partial replacement of natural aggregates of varying levels and their positive and negative impact on SCRC's fresh and hardened properties have been reviewed. KeywordsWaste tire rubber • Self-compacting rubberized concrete • Fresh properties • Mechanical properties • Durability * Fadzil Mat Yahaya

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Section: Microstructural Analysis and Effect Of Rubber Surface Modifi...mentioning

confidence: 99%

Section: Microstructural Analysis and Effect Of Rubber Surface Modifi...mentioning

confidence: 99%

Section: Microstructural Analysis and Effect Of Rubber Surface Modifi...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A comprehensive review of the features of self-compacting rubberized concrete in the fresh and hardened states

Islam

Hasan

Khalid

et al. 2022

Archit. Struct. Constr.

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Effect of high‐range water reducer and W/C ratio on the fresh and mechanical properties of fiber‐reinforced natural zeolite SCC

K. Pour,

Shirkhani,

Noroozinejad Farsangi

2024

Structural Concrete

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The present study aims to investigate how the use of high‐range water reducer (HRWR) and variations in water/cement (W/C) ratio affect the properties of self‐consolidating concrete (SCC) while taking into account different proportions of polypropylene fibers (PF) and natural zeolite (NZ). A total of 28 samples were cast and analyzed. PF fractions ranging from 0% to 1.5% by weight were added, along with a substitution of 10% NZ for cement (50 kg/m3). Four W/C ratios (0.30, 0.35, 0.40, and 0.45) were tested, in addition to seven HRWR contents ranging from 5 to 6.5 kg/m3. Various tests were conducted to assess slump, T500, V‐funnel, L‐box, modulus of elasticity, and compressive, tensile, and flexural strengths. Novel models were developed to predict the properties of hardened concrete based on W/C, HRWR, PF, and NZ content. Findings indicated that optimal performance of PF‐reinforced SCC with NZ was achieved when up to 0.75% PF was combined with an HRWR content equivalent to 1.25% of the cement fraction and NZ ratio. Furthermore, the proposed models offer accurate predictions of both fresh and hardened‐state properties of PF‐reinforced SCC with NZ based on W/C and HRWR ratios.

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Self-consolidating Concrete Produced with Fine CDW

Rocha

Soares²,

Costa³

et al. 2022

Lecture Notes in Civil Engineering

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Self-consolidating concrete is a concrete technology that seeks to simultaneously achieve fluidity, passing ability and segregation. In its manufacture there is the possibility of using alternative materials, such as ground ceramic, predominantly in construction and demolition waste. Therefore, this study aims to analyze the feasibility of this concrete regarding its properties in the fresh and hardened state when there is replacement of fine sand by ground ceramic aggregate. For this, the flowing tests, flow time, visual stability index, J ring, L box, V funnel and the molding of specimens in three different compositions were carried out, one being the reference compositions and the other two with replacements of 25% and 50% in the natural fine sand by the ceramic waste sand. The mixes in which the replacements were carried out presented good fluidity, without of segregation, however, the passing ability of the mix with 50% of replacement did not fit within the recommended range.

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Analysis of the properties of the self-compacting concrete mixed with tire rubber waste based on design of experiments

Cited by 18 publications

References 8 publications

A comprehensive review of the features of self-compacting rubberized concrete in the fresh and hardened states

A comprehensive review of the features of self-compacting rubberized concrete in the fresh and hardened states

Effect of high‐range water reducer and W/C ratio on the fresh and mechanical properties of fiber‐reinforced natural zeolite SCC

Self-consolidating Concrete Produced with Fine CDW

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