A novel lightweight gypsum composite with diatomite and polypropylene fibers

Gençel, Osman; Díaz, J.; Sütçü, Mücahit; Köksal, Fuat; Rabanal, Felipe Pedro Álvarez; Martínez-Barrera, Gonzalo

doi:10.1016/j.conbuildmat.2016.03.125

Cited by 105 publications

(33 citation statements)

References 23 publications

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“…Gencel et al 15 used vermiculite in combination with polypropylene fibres and obtained materials with bulk densities under 1000 kg/m 3 and compressive strengths of 2-3 MPa. Gencel et al also used diatomite with the same fibres 16 with similar results.…”

Section: Introductionmentioning

confidence: 66%

Environmentally friendly lightweight gypsum-based materials with waste stone dust

Krejsová

Heralová

Doleželová

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part L:

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Gypsum is one of the most environmentally friendly binders and consequently its importance in building industry is increasing. New applications are being sought and new materials are being developed. A lightweight gypsum material foamed by waste stone dust was designed and tested. The amount of stone dust, a waste product formed during the cutting and polishing of decorative stones, is becoming serious problem in some countries. When the stone dust contains calcium carbonate, it can be used for gypsum foaming to produce cheap, environmentally attractive material. The physical and mechanical properties of lightweight gypsum-based materials with different amounts of stone dust were designed and tested. The material with largest amount of waste stone dust attained a bulk density under 600 kg/m 3 and compressive strength of 1.1 MPa, with a thermal conductivity of 0.117 W/m.K. These properties are sufficient for use of the material as a thermal insulating plaster, as the core of thermal insulating gypsum boards or in lightweight blocks for inner walls and partitions. Life cycle cost analyses was performed for the most favourable material and was compared with aerated autoclaved concrete, which is a common commercial product with similar properties.

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Section: Introductionmentioning

confidence: 66%

Environmentally friendly lightweight gypsum-based materials with waste stone dust

Krejsová

Heralová

Doleželová

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part L:

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“…In this sense, several studies have been conducted trying to improve physical and mechanical behavior of lightened gypsums by incorporating fibers [16,17]. Among these studies the study by Gencel et al (2014) can be highlighted, as it incorporates polypropylene fibers to lightened gypsums with vermiculite [18].…”

Section: Review On Lightenedmentioning

confidence: 99%

Analysis of the Relationship between Density and Mechanical Strength of Lightened Gypsums: Proposal for a Coefficient of Lightening

Astorqui

Merino

Sáez

et al. 2017

Advances in Materials Science and Engineering

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This article develops a relationship between the reduction of density in lightened gypsum and the addition of expanded and/or extruded polystyrene waste from the construction sector and their mechanical behavior. The equations determined in this study allow us to know the flexural and compressive strengths of a lightened gypsum/plaster compound once its density is known. The results show that there is an exponential relationship between the density of the compound and its strength. The methodology followed included a compilation of the results obtained in previous research works on lightweight gypsums, analyzing the relationship between density and mechanical strength and comparing them with the equations developed in this research. The results obtained by previous researchers have a good adjustment with the proposed models, and only perlite compounds present greater deviations in the compressive strength analysis. Also, a dimensionless lightening coefficient is defined which can help to determine the best application for a lightweight gypsum compound, comparing it with an ideal lightweight gypsum.

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“…In this respect, several authors have experimented with different compositions to lighten the weight of gypsum-based materials. Gencel et al [ 8 ] have developed a new gypsum-based compound with the addition of diatomite and polypropylene fibers. This addition manages to reduce the density of the hardened material by improving its thermal conductivity.…”

Section: Introductionmentioning

confidence: 99%

Characterization of a New Lightened Gypsum-Based Material Reinforced with Fibers

2021

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This paper shows the characterization of a new lightened gypsum-based material for use in buildings. A plaster material has been designed with a polymeric compound based on polyvinyl acetate, bicarbonate and a boric acid solution, which reduce the density and thermal conductivity by up to 20% and 30%, respectively. In addition, tests have been carried out with the lightened plaster material reinforced with glass (GF), basalt (BF), polypropylene (PPF) and wood (WF) fibers. A significant improvement in mechanical properties was achieved. All samples obtained resistance values greater than 2 MPa in flexion and 3 MPa in compression. Physico-chemical analysis were also carried out. The study is completed with a statistical analysis, where confidence intervals have been obtained for the mean at 95% confidence for each of the physical properties studied.

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A novel lightweight gypsum composite with diatomite and polypropylene fibers

Cited by 105 publications

References 23 publications

Environmentally friendly lightweight gypsum-based materials with waste stone dust

Environmentally friendly lightweight gypsum-based materials with waste stone dust

Analysis of the Relationship between Density and Mechanical Strength of Lightened Gypsums: Proposal for a Coefficient of Lightening

Characterization of a New Lightened Gypsum-Based Material Reinforced with Fibers

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