Precise shape grading of coarse aggregate

O'Flannery, L. J.; O’Mahony, Margaret

doi:10.1680/macr.1999.51.5.319

Cited by 2 publications

(3 citation statements)

References 1 publication

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“…The observed improvement in values of spread diameters is due to the reduced volume of coarse aggregate. These results are in a good accordance with those reported in [23].…”

Section: Resultssupporting

confidence: 93%

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Self Compacting Concrete under Local Conditions

Seddik¹,

Béroual²,

Zergua³

et al. 2013

OJCE

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This paper presents the results of experimental investigations on mechanical properties of self compacting concrete made with local materials. The used materials were cement, aggregate and super plasticizer. Limestone powder, silica fume and blast furnace slag have been used as adjuvant in self compacting concrete (SCC). Self compacting concrete properties in fresh and hardened state are characterized and analyzed. The test results indicate the possibility to manufacture SCC with good rheological and mechanical properties using local materials.

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“…The observed improvement in values of spread diameters is due to the reduced volume of coarse aggregate. These results are in a good accordance with those reported in [23].…”

Section: Resultssupporting

confidence: 93%

“…This is a consequence of the reduction in the volume of large coarse aggregates and so reducing the braking phenomenon. These results are in accordance with those reported in [23].…”

Section: Optimization Of the Granular Skeletonsupporting

confidence: 94%

Self Compacting Concrete under Local Conditions

Seddik¹,

Béroual²,

Zergua³

et al. 2013

OJCE

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show abstract

“…Compared to angular aggregate, rounded aggregate generally enhances flowability and reduces blocking in SCC [5,6]. Adjustments are to be made to the content of coarse aggregate, fine aggregate and powder material to achieve the desired flow properties [2,7,8]. Furthermore, it is understood that flow properties of the SCC reduce with an increase in the size of coarse aggregate [9].…”

Section: Introductionmentioning

confidence: 99%

Samozbijajući beton s unutarnjom njegom i lakim agregatom

2016

JCE

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Self compacting self curing concrete with lightweight aggregatesThe self compacting self curing concrete made by partially replacing fine aggregate with the light expanded clay aggregate and fly ash aggregate is described in the paper. At that, maximum 25 % of fine aggregate (measured by volume) was replaced. Fresh concrete properties and mechanical properties of self compacting self curing concrete were analysed. Test results indicate that all mixes satisfied the self compacting properties of concrete. Furthermore, the concrete mix with 15 % of expanded clay and the mix with 15 % of fly ash exhibited greater strength under self curing conditions, when compared to the control mix and other mixes. Samozbijajući beton s unutarnjom njegom i lakim agregatom U radu je opisan samozbijajući beton s unutarnjom njegom proizveden djelomičnom zamjenom sitnozrnatog agregata laganim agregatom od ekspandirane gline i agregatom od letećeg pepela. Ispitana su svojstva betona u svježem stanju i mehanička svojstva samozbijajućeg betona, pri čemu je najviše 25 % agregata (volumenski) zamijenjeno. Rezultati ispitivanja pokazuju da su sve mješavine zadovoljile zahtjeve za samozbijajući beton. Osim toga, mješavina s 15 % agregata od ekspandirane gline i mješavina s 15 % agregata od letećeg pepela postižu veću čvrstoću pri uvjetima unutarnje njege u usporedbi s čvrstoćama koje su postigle kontrolna mješavina i ostale mješavine.

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Precise shape grading of coarse aggregate

Cited by 2 publications

References 1 publication

Self Compacting Concrete under Local Conditions

Self Compacting Concrete under Local Conditions

Samozbijajući beton s unutarnjom njegom i lakim agregatom

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