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Gamme CHR YSO Fibre CHR YSO Fibre range

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<strong>CHR</strong><strong>YSO</strong> ® <strong>range</strong>:<br />

<strong>CHR</strong><strong>YSO</strong> offers three synthetic reinforcing macro-fibres with<br />

high mechanical strength, which can replace "structural" active<br />

reinforcement: <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 and<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50.<br />

Incorporated at the beginning of mixing with aggregates,<br />

these fibres scatter fast and spread evenly in the concrete<br />

matrix, thus creating a multidirectional reinforcement<br />

network, without any risk of corrosion on the surface like<br />

metallic fibres do. They partially control cracks and prevent<br />

them from opening up and expanding. Thus, depending on the<br />

dosage, reinforced concrete has a post-cracking strength<br />

equal or superior to some reinforced concrete or some<br />

metallic fibered concretes.<br />

This is mainly due to the optimisation of the adherence<br />

between fibres and the concrete matrix generated thanks to<br />

the opening of the fibres’ extremities. Indeed, macro-fibres<br />

have the particularity of "fibrillating" at their extremities and<br />

therefore acting in a three-dimensional way. The anchorage<br />

surface is significantly improved this way.<br />

The nature of <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 and<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50 avoids any risk of corrosion and reduces<br />

material wearing out (mixer, pumps…). Their composition<br />

allows use with chloride accelerators in order to improve<br />

productivity. What’s more, their mono-filament and slightly<br />

twisted shape renders them compatible with any type of<br />

aggregate.<br />

Moreover, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 and<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50 are harmless on account of their<br />

composition, thus increasing security on construction sites.<br />

In shotcrete applications, the use of these synthetic<br />

fibres reduces rebound risks during direct shooting.<br />

Concrete rebound is also limited and shotcreting productivity<br />

is increased by almost 30%. What is more, setting up<br />

water repelling films before shotcreting is becoming more<br />

and more frequent due to recurrent water infiltration.<br />

Using <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 and<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50 avoids perforation of these waterproof<br />

films.<br />

Caractéristiques techniques de la gamme <strong>CHR</strong><strong>YSO</strong> ® :<br />

Technical characteristics of the <strong>CHR</strong><strong>YSO</strong> ® <strong>range</strong>:<br />

Longueur<br />

Length<br />

Diamètre<br />

Diametre<br />

Couleur<br />

Colour<br />

Densité<br />

Density<br />

Dosage<br />

Dosage<br />

Point de fusion<br />

Fusion point<br />

Point d’inflammation<br />

Flamable point<br />

Résistance à la traction<br />

Tensile strength<br />

Module d’élasticité<br />

Elasticity module<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25 <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50<br />

25mm 40 mm 50 mm<br />

1 mm<br />

Blanche<br />

White<br />

0,92 (920 kg/m 3 )<br />

2 à 8 kg/m 3 de béton selon les applications<br />

2 to 8 kg/m 3 of concrete depending on the applications<br />

160 o C<br />

590 o C<br />

600 MPa<br />

5 GPa<br />

The dosage of <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40<br />

and <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50 is 4 to 5 times lower to metallic<br />

fibres’, which explains the easy pouring of concrete<br />

with <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 and<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50 in terms of pumpability and<br />

homogeneity of concrete.<br />

Using <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S25, <strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S40 and<br />

<strong>CHR</strong><strong>YSO</strong> ® <strong>Fibre</strong> S50 therefore reduces setting time<br />

compared to a concrete with a metallic reinforcement<br />

structure.<br />

Domaines d’application<br />

Applications<br />

• Chapes<br />

• Screed<br />

• Dallage de maisons<br />

individuelles<br />

• Individual housing slabs<br />

• Préfabrication<br />

• Precast<br />

• Béton de voirie<br />

• Highway concrete<br />

• Tunnels<br />

• Tunnels<br />

• Béton projeté<br />

• Shotcrete<br />

• Fondations semelles filantes<br />

• Free-running bedplate<br />

foundations<br />

• Pieux<br />

• Posts<br />

• Préfabrication<br />

• Precast<br />

Afin de mieux répondre aux attentes des différents marchés, chaque filiale <strong>CHR</strong><strong>YSO</strong> met à votre disposition des macro-fibres spécifiques.<br />

In order to answer different market requirements, each <strong>CHR</strong><strong>YSO</strong> subsidiary has specific macro-fibres at your disposition.

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