Effects of expanded perlite aggregate and mineral admixtures on the compressive strength of low-density concretes

Demirboğa, Ramazan; Örüng, İbrahim; Gül, Rüstem

doi:10.1016/s0008-8846(01)00615-9

Cited by 170 publications

(73 citation statements)

References 7 publications

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“…Traditionally, different types of LWFs have been studied for their use in the cement-based composites such as expanded perlite (Demirboǧa et al 2001;Kramar and Bindiganavile 2010;Lanzó n and García-Ruiz 2008;Lu et al 2014), expanded glass beads (ASTM D790-10 2010; Bouvard et al 2007), shale (de Gennaro et al 2008;Ke et al 2009;Lotfy et al 2015), expanded polystyrene beads (Bouvard et al 2007;Miled et al 2007;Saradhi Babu et al 2005), expanded clay (Chandra and Berntsson 2002;Gao et al 2014) etc. and the unit weight has been successfully achieved within the stipulated guidelines.…”

Section: Introductionmentioning

confidence: 99%

Effects of Different Lightweight Functional Fillers for Use in Cementitious Composites

Hanif

Cheng

et al. 2017

Int J Concr Struct Mater

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Abstract:The effects of different lightweight functional fillers on the properties of cement-based composites are investigated in this study. The fillers include fly ash cenospheres (FACs) and glass micro-spheres (GMS15 and GMS38) in various proportions. The developed composites were tested for compressive, flexural and tensile strengths at 10 and 28-day ages. The results indicated that both FACs and GMS38 are excellent candidates for producing strong lightweight composites. However, incorporation of GMS15 resulted in much lower specific strength values (only up to 13.64 kPa/kg m 3 ) due to its thinner shell thickness and lower isostatic crushing strength value (2.07 MPa). Microstructural analyses further revealed that GMS38 and GMS15 were better suited for thermal insulating applications. However, higher weight fraction of the fillers in composites leads to increased porosity which might be detrimental to their strength development.

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Section: Introductionmentioning

confidence: 99%

Effects of Different Lightweight Functional Fillers for Use in Cementitious Composites

Hanif

Cheng

et al. 2017

Int J Concr Struct Mater

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“…Demirbŏga et al attributed that the strength improvement of expanded perlite, related to both the selfcuring property and pozzolanic of perlite [10].…”

Section: -P6mentioning

confidence: 99%

An Experimental Study on Mitigating Alkali Silica Reaction by Using Fly Ash (FA) in Combination with Silica Fume and Expanded Perlite Powder (EPP)

Isneini

Sagawa

Hamada

et al. 2016

MATEC Web of Conferences

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Abstract. ASR suppression by FA, SF, EPP, FA in combination with SF and EPP were evaluated by both mortar bar and concrete prism test. Mortar bars were made based on JIS A 1146, meanwhile concrete prism bars were casted in accordance with Rilem AAR-3. Both specimens were stored in 40 o C 100% R.H. controlled room. Mortar and concrete mixtures used reactive aggregate in pessimum proportion. The results indicated that FA in combination with SF and EPP showed smaller expansion compared to FA. The best of concrete mixtures in reducing expansion is combination of FA with SF (FA15SF10).

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“…The mortars with expanded vermiculite and perlite sands have low strength. At an average density of 400...600 kg/m 3 , the compressive strength of such mortars varies between 1...2.5 MPa, while their freezethaw durability is not more than 35 cycles [3][4]. The expanded pearlite and vermiculite sands have high water absorption.…”

Section: Introductionmentioning

confidence: 99%

Properties of dry masonry mixtures based on hollow aluminosilicate microspheres

Vyacheslav

2017

MATEC Web Conf.

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Abstract. At present, there is a steady increase in the volume of housing construction in the Russian Federation. The modern trends in the field of energy and resource saving determine the need of the use of efficient building materials that ensure the safety, comfort and minimum cost of housing construction. Among the materials, often used for erecting of fencing structures, it is possible to note effective small-piece elements (ceramic and light-weight concrete units, etc.). To ensure the solidity of such structures, it is necessary to use the masonry mortars whose properties correspond to those of the main wall material. The existing dry mixes for obtaining of such mortars are expensive and often do not meet the minimum physical-and-mechanical and exploitation requirements. The solution of this problem is the usage of the hollow ceramics (aluminosilicate) microspheres as a filler for such mixes. The article presents the results of studies of the main physical-and-mechanical and exploitation characteristics of dry masonry mixes with hollow ceramics microspheres modified with various chemical additives. The effect of the compounding factors on the average density and strength of dry masonry mixes was studied. The compositions have been optimized by the methods of mathematical planning.

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Effects of expanded perlite aggregate and mineral admixtures on the compressive strength of low-density concretes

Cited by 170 publications

References 7 publications

Effects of Different Lightweight Functional Fillers for Use in Cementitious Composites

Effects of Different Lightweight Functional Fillers for Use in Cementitious Composites

An Experimental Study on Mitigating Alkali Silica Reaction by Using Fly Ash (FA) in Combination with Silica Fume and Expanded Perlite Powder (EPP)

Properties of dry masonry mixtures based on hollow aluminosilicate microspheres

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