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Product name | Indictive strengths under the old standarts |
Concrete mixtures | |
C8/10-XO-Cl0,2-S1-16 C8/10-XO-Cl0,2-S2-16 C8/10-XO-Cl0,2-S3-16 | ~ 150 kg/cm2 |
C12/15-XO-Cl0,2-S1-16 C12/15-XO-Cl0,2-S2-16 C12/15-XO-Cl0,2-S3-16 | ~ 200 kg/cm2 |
C16/20-XO-Cl0,2-S1-16 C16/20-(XO-XC1-XC2)-Cl0,2-(S2-S3)-16 C16/20-(XC1-XC2-XC3)-XF1-F50(lt)-Cl0,2-S2-16 C16/20-(XC1-XC2-XC3-XC4)-XF1-F50(lt)-Cl0,2-S3-16 | ~ 250 kg/cm2 |
C20/25-(XC1-XC2)-Cl0,2-S1-16 C20/25-(XC1-XC2-XC3)-Cl0,2-(S2-S3)-16 C20/25-(XC3-XC4)-XF2-F150(lt)-W8-Cl0,2-(S2-S3)-16 C20/25-(XC1-XC2-XC3-XC4)-XF1-F50(lt)-Cl0,2-(S2-S3)-16 C20/25-(XC1-XC2-XC3-XC4)-XF1-F100(lt)-Cl0,2-(S2-S3)-16 C20/25-(XC1-XC2-XC3-XC4)-XF1-F75(lt)-Cl0,2-(S2-S3)-16 C20/25-(XC1-XC2-XC3-XC4)-W4-Cl0,2-(S2-S3)-16 C20/25-(XC1-XC2-XC3-XC4)-W6-Cl0,2-(S2-S3)-16 | ~ 300 kg/cm2 |
C25/30-(XC1-XC2-XC3)-Cl0,2-S1-16 C25/30-(XC1-XC2-XC3-XC4)-Cl0,2-(S2-S3-S4)-16 C25/30-(XC3-XC4)-XF2-F150(lt)-W8-Cl0,2-(S2-S3)-16 C25/30-(XC1-XC2-XC3-XC4)-XF1-F50(lt)-Cl0,2-(S2-S3)-16 C25/30-(XC1-XC2-XC3-XC4)-XF1-F100(lt)-Cl0,2-(S2-S3)-16 C25/30-(XC1-XC2-XC3-XC4)-XF1-F75(lt)-Cl0,2-(S2-S3)-16 C25/30-(XC1-XC2-XC3-XC4)-W4-Cl0,2-(S2-S3)-16 C25/30-(XC1-XC2-XC3-XC4)-W6-Cl0,2-(S2-S3)-16 | ~ 350 kg/cm2 |
C30/37-(XC1-XC2-XC3-XC4)-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-XF1-F50(lt)-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-XF1-F100(lt)-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2-XD3)-XF1-F75(lt)-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-W4-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-W6-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-W8-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-XF3-F200-Cl0,2-(S2-S3)-16 C30/37-(XC1-XC2-XC3-XC4-XD1-XD2)-XF4-F300-Cl0,2-(S2-S3)-16 | ~ 400 kg/cm2 |
C35/45-(XC1-XC2-XC3-XC4-XD1-XD2)-Cl0,2-(S2-S3)-16 | ~ 500 kg/cm2 |
C8/10-XO-Cl 0,2-S1-4 C8/10-XO-Cl 0,2-S2-4 C8/10-XO-Cl 0,2-S3-4 | ~ 150 kg/cm2 |
C12/15-XO-Cl 0,2-S1-4 C12/15-XO-Cl 0,2-S2-4 C12/15-XO-Cl 0,2-S3-4 | ~ 200 kg/cm2 |
C16/20-XO-Cl 0,2-S1-4 C16/20-XO-Cl 0,2-S2-4 C16/20-XO-Cl 0,2-S3-4 | ~ 250 kg/cm2 |
C20/25-XO-Cl 0,2-S1-4 C20/25-XO-Cl 0,2-S2-4 C20/25-XO-Cl 0,2-S3-4 | ~ 300 kg/cm2 |
Mobility: S1 10 mm – 40 mm S2 50 mm – 90 mm S3 100 mm – 150 mm
Environmental impact class:
Marking of classes | Environmental description | Common environmental classes informative examples |
No risk of corrosion or aggression | ||
XO | Concrete without armature or nested details: all operating environment, with the exception of those with refrigeration and heating, erosion and chemical effects. For concrete with reinforcement or metal inserts: very dry. | Concrete inside buildings with very low humidity. |
Carbonation corrosion | ||
XC 1 | Dry or always humid | Concrete inside buildings with low air humidity. Concrete in water. |
XC 2 | Humid, rarely dry | Long soaking concrete surfaces in the water. Many of the foundations. |
XC 3 | Average humidity | Concrete inside buildings with average or high air humidity. Outside, concrete is covered from the rain. |
XC4 | Cyclically humid and dry | Concrete surfaces soaking in water but doesn‘t belong to XC2 class. |
Chlorides but not by sea water caused corrosion | ||
XD1 | Average humidity environment | Open concrete surface splashed by chlorinated water spray. |
XD2 | Humid, rarely dry | Swimming pools. Open concrete, exposed by industrial chlorinated water. |
XD3 | Cyclically humid and dry | Bridge parts, which are splashed with chlorinated water Pavings, sideways Car parking boards. |
Seawater chloride corrosion | ||
XS1 | Working salt spray, but not direct sea water | Structures near the shore or on shore |
XS2 | Constantly immersed | Marine parts of structures |
XS3 | Flood, splashing and splattering area | Marine parts of structures |
Cooling / heating effect with or without salt | ||
XF 1 | Average water absorption without de-icing material | Vertical concrete surfaces, exposed by rain and cold. |
XF 2 | Average water absorption with de-icing material | Verical concrete sufaces of road construcion, exposed by cold and de-icing salt. Road construction vertical concrete surfaces exposed by the cold and de-icing salt. |
XF3 | High water absorption without de-icing material | Horizontal concrete surfaces, exposed by rain and cold. |
XF4 | High water absorption with de-icing material or sea water | Road and bridge surfaces exposed by salt Concrete surfaces directly exposed by salt and frost Cold exposed structure in sea spray zone. |
Chemical exposure | ||
XA1 | Low chemical aggressivity environment | |
XA2 | Average chemical aggressivity environment | |
XA3 | High chemical aggressivity environment |
Ammount of chlorides in concrete mixture: ~ 0.2 % from cement mass.
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