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BCV - Béton Composite Vicat – Vicat’s composite concrete
BCV
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BCV - Béton Composite Vicat – Vicat’s composite concrete
DefinitionDefinitionBCV belongs to the « high performance concrete family, as
specified in the AFGC recommandationsBCV is a very compact matrix obtained by optimisation of
different parameters :Low ratio Water / Cement : 0,25High dispersive SuperplastifierOptimised granular skeleton (Dmax around 2 à 3 mm)
BCV is waterproof, non freezing and non reagent to salt for icy roads
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BCV - Béton Composite Vicat – Vicat’s composite concrete
BCV’s CHARACTERISTICSBCV’s CHARACTERISTICS
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BCV - Béton Composite Vicat – Vicat’s composite concrete
CharacteristicsCharacteristicsThere are 2 versions for BCV (one structural and one for
decoration/color).- 130 to 180 MPa compressive strenght, - 30/35 MPa flexural strenght- 10 MPa tensile strenght, depending on formulations.BCV allows a self spreading flow (BCV structure) or a self-
smoothing flow (BCV couleur) during 2 hours.The stripping of formeworks is possible at 16 h , thanks to a
compressive strenght of 40 Mpa. Possible use of steel fiber for reinforcement.No thermal treatments.
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Caractéristiques de MalaxageCaractéristiques de MalaxageB.C.VB.C.V.. is manufacturd in a classical precast unit or concrete
plant mixer.The use of a mixer equiped with a train-valseur and et
changeable power improve the mixing duration.Mixing of B.C.V.B.C.V. lasts around 8 to 10 minutes per batch.
These datas have to be verified along conformity tests done with the mixing means.
mixer equiped with a train-valseur
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BCV - Béton Composite Vicat – Vicat’s composite concrete
BCVBCV manufacturing inmanufacturing in RomagnieuRomagnieu
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Fresch concrete CharacteristicsFresch concrete Characteristics
2 heures (de 5°C à 30°C)Rheological beheaviour
< 5%Air included
55 à 90 cmSpreading test with DIN cone
< 2500 kg/m3Density
ValuesTests
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ProjectProject «« lesles HouchesHouches »»
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Mechanical CharacteristicsMechanical Characteristics
110 MPaRc at 28 days (BCV without fibers)
8 MPaTensile strenght considered for calculation
24 MPaFlexural strenght (4 points)
150 MPaCompressive strenght (Rc) at 1 yr
130 à 180 MPa at 20°CCompressive strenght (Rc) at 28 days
strenghtEssais/tests
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Mechanical CharacteristicsMechanical Characteristics
1,1Abrasion C.N.R.
30 MPa (from 5°C to 30 °C)
Compressive strenght at 16 hours(adjuvants are different depending of temperature)
0,2Poisson’s ratio
44 GPaElastic modulus
Results of testsTests
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Mechanical CharacteristicsMechanical Characteristics
4 points flexural test
compressive stress vsdeformation
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Color Characteristics Color Characteristics
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Mastering the orientation of fibers is essential for the product.
In fact, the orientation of fibers influences two confidence criteria of the product :
Post-crack beheaviour of the material in a in-situ structure.
The level of the security coefficients to be taken into account in flexural-tensile structural calculations .
Orientation of fibres Orientation of fibres
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BCV - Béton Composite Vicat – Vicat’s composite concrete
View from above
Side View
Flux
Flux
The fibers get oriented along the direction of flux .
Orientation of fibres Orientation of fibres RadiographyRadiography
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Improvement of tensile strenghtImprovement of tensile strenghtIn order to improve direct tensile strenght and flexural strenght, the product has to go through different phases :
1- mastering and understanding of the orientation of fibers
2- research of more strenghtful fibers, and on the mixing of fibers of different sizes (mezo-fibers theory)
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BCV - Béton Composite Vicat – Vicat’s composite concrete
CALCULATIONCALCULATION METHODSMETHODS
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BCV - Béton Composite Vicat – Vicat’s composite concrete
Different uses of BCVDifferent uses of BCV
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV may be considered as a cold foundry material. It can be
used along 3 different ways :
BCV structure : for structures that need optimal resistances.
BCV mixte (two-layers) : for poured systemes needing both high resistance and a aesthetic facing
BCV color : for artistic structures, molded objects, …
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV STRUCTURE
Bridge on A 51
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BCV - Béton Composite Vicat – Vicat’s composite concrete
BCV STRUCTURE
Aurélien LEMONIER
ApplicationsApplications
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV STRUCTURE
Coating Test for the mending of electrical posts
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV MIXTE (2-layer Process)
Balcony
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV DESIGN
Mathieu BETH/Olivier NOEL
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV DESIGN
Mathieu BETH/Olivier NOEL
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV COULEUR
Bicycle shed in Bern (Suisse)
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV COULEUR
Benchs
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV COULEUR
Kitchen and sinks
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BCV - Béton Composite Vicat – Vicat’s composite concrete
ApplicationsApplicationsBCV COULEUR
Furniture