New production process for insulation blocks composed of EPS and lightweight concrete containing pumice aggregate

Sarıışık, Ali; Sarıışık, Gencay

doi:10.1617/s11527-012-9836-z

Cited by 26 publications

(11 citation statements)

References 17 publications

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“…It serves as a material for the backfilling of retainment walls, basement insulation and as decorative tiles and moldings [1]. For instance, prefabricated insulation blocks and functionally integrated floors are composed of lightweight concrete and EPS foam [2,3]. Although EPS has many advantages due to its low price and ease of handling on-site without the need for special equipment [4], the use of such foams is largely considered to ⁎ Corresponding authors at: Architectural Engineering Research Group, Department of Architectural Engineering, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussels, Belgium (E. Elsacker).…”

Section: Biomanufacturing Of Mycelium-based Materialsmentioning

confidence: 99%

Growing living and multifunctional mycelium composites for large-scale formwork applications using robotic abrasive wire-cutting

Elsacker

Søndergaard²,

Wylick

et al. 2021

Construction and Building Materials

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Section: Biomanufacturing Of Mycelium-based Materialsmentioning

confidence: 99%

Growing living and multifunctional mycelium composites for large-scale formwork applications using robotic abrasive wire-cutting

Elsacker

Søndergaard²,

Wylick

et al. 2021

Construction and Building Materials

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“…Publications including various natural and synthetic admixtures were also consulted. 30 Early research phases included prototypical fabrications, material testing, and applicable outcomes for faceted and porous lightweight precast concrete as a viable option to decrease RT, flutter echo, NC, and ITDG while increasing STI and C 50 . STC and NIC values, useful for isolating spaces, may serve as viable criteria based on spatial adjacencies and relationships.…”

Section: A Sound Approach To Concrete: Transforming Concrete Through Shape and Porosity For Acoustical Reflection Diffusion And Absorptiomentioning

confidence: 99%

A Sound Approach to Concrete: Transforming Concrete Through Shape and Porosity for Acoustical Reflection, Diffusion, and Absorption

Butko

2021

Technology|Architecture + Design

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Opening Figure. Material science and data-driven design. Close up image of designed and fabricated Acoustically Diffuse and Absorbent Lightweight Aerated Concrete (ADALAC) panels showing surface articulation. (Credit: Emily Butko)Concrete can be enhanced through admixtures and fabrication techniques to achieve various acoustically based criteria and allow a radical departure from typical surface density and continuity. In the work presented here, faculty, students, and industry partners experimented with concrete admixtures, overall surface articulation, and form to provide prototypical concepts which support acoustical interactions. Benchmarking against various published resources which define (1) the acceptable ranges of acoustical criteria and (2) the relationship between the aural environment and personal productivity, retention, and performance confirms the research focus on acoustical linkages between surface, form, and cubic volume using aerated-meaning pervious/porous/cellular-concrete. 12 An earlier publication by the current author explains the research context and data collection process. 13 Acoustical properties of materials and spatial volume can either support or detract from the function of a room or transfer sound to other spaces. Without attention to the acoustical properties of selected materials of the enclosure, the most common result is a persistence of sound known as reverberation, with Reverberation Time (RT) measured in seconds. Using either the Sabine or Eyring formula 14 to calculate RT offers quantifiable scientific data supporting anecdotal criticisms but does not relate to the shape of the space and associated diffusion. The recently developed Residual Minimization Method allows not only for sound absorption coefficients of similar rooms, but also for their geometry, volume, or the diffusion of the acoustic field. 15 Similarly, laboratory tests and software analysis of design mixes and prototypical panels defined in this study resulted in values relating diffusion and absorption.

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“…The matrix density for fibre reinforced materials is only independent of D in the low end and shows a rather pronounced increase with the diameter at D>4 mm. The general standard deviation of 12 matrix density values of LWA produced from the given raw material could be approximated from the reference samples and was found to be about 0.06 g/cm 3 .…”

Section: Properties Of the As Received (Not Sieved) Materialsmentioning

confidence: 99%

“…Lightweight aggregates (LWA) are commonly utilized as aggregate for lightweight concrete, insulation material for road constructions or in lightweight brick production [1][2][3]. Raw materials for LWA can be of artificial or natural origin [4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Fibre reinforced lightweight aggregates

Bernhardt¹,

Tellesbø²,

Justnes³

et al. 2014

Journal of the European Ceramic Society

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Carbon steel fibre reinforced lightweight aggregates (LWA) were produced in a pilot scale rotary kiln. Narrow size fractions as well as not-sieved (as received) material were investigated according to European standards with a main focus on strength and density and compared to a reference material without fibres. Depending on the size of the pellets a fraction of the fibres oxidized during firing. A strength increase proportional to the amount of non-oxidized fibres within the pellet was observed. The crushing resistance for as received fibre reinforced pellets (bulk density 452 kg/m 3 ) was 3.0 MPa corresponding to an increase in strength of 140 %. The enhanced strength was also confirmed by the single pellet compression test.fibre reinforced LWA-manuscript.docx Click here to view linked References

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New production process for insulation blocks composed of EPS and lightweight concrete containing pumice aggregate

Cited by 26 publications

References 17 publications

Growing living and multifunctional mycelium composites for large-scale formwork applications using robotic abrasive wire-cutting

Growing living and multifunctional mycelium composites for large-scale formwork applications using robotic abrasive wire-cutting

A Sound Approach to Concrete: Transforming Concrete Through Shape and Porosity for Acoustical Reflection, Diffusion, and Absorption

Fibre reinforced lightweight aggregates

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