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Technical : Usage Guide
| How much fiber should you use? The range of dosages is from 1 lb. per yard up to 44 lbs. per yard depending on the application and the desired results. On the low end, 1 lb. per yard is intended for plastic shrinkage control, long-term drying shrinkage crack control, fatigue resistance and structural integrity. (A 1.6 lb per yard standard was developed by the Japan Railways to provide spalling protection on bridge deck slabs.) On the high end, very thin, extremely strong sections can be created to reduce weight in skyscraper curtain walls and floors, or provide seismic reinforcement for bridges and structures. In between is a range of options for shotcrete, slabs, roadbeds, concrete repair and pre-cast elements. Here is a sample: |
|
 |
| Application |
Fiber
|
Fiber Volume
|
Fiber's function
|
|
|
|
|
| OA Panel for Floor |
REC100L
|
2.5-3vol%
|
Impact strength, Toughness
|
| Windproof Board for Railways |
RFS400
|
2.5vol%
|
Cracking control, Toughness
|
| Building Wall ("Curtain Wall") |
RECS15
|
0.5-1.5vol%
|
Toughness, Cracking control
|
| Crack Control |
RSC15 |
.025% |
Plastic and long-term crack control in concrete and mortar at dosages from 1 to 5 lbs per yard |
| Shotcrete for Slope |
RF4000
|
0.25-1.0vol%
|
Toughness, Cracking control
|
| Shotcrete for Tunnel |
RF4000
|
0.25-1.0vol%
|
Toughness, structural
|
| Overlay for Concrete Road |
RF4000
|
0.75vol%
|
Toughness, Frost damage resistance
|
| Heavy Concrete Floor |
RF4000
|
0.46vol%
|
Cracking control, toughness
|
| Spalling Prevention of Bridge Deck Slab |
RECS100L
|
0.075vol%
|
Dry Shrinkage Control, Spalling Prevention, toughness
|
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