C60/75 concrete

 

Concrete specification
Mix number:
RC013
Strength class C60/75
Exposure class X0(NL), XC1(NL), XC2(NL), XC3(NL), XC4(NL), XD1(NL), XD2(NL), XD3(NL), XS1(NL), XS2(NL), XS3(NL), XF1(NL) , XF2(NL) , XF3(NL) , XF4(NL), XA1(NL), XA2(NL) and XA3(NL)
Water/cement ratio ≤ 0.45
Cement content
≥ 340 kg/m3
 
Constituents
Cement CEM III/B 42,5 HS (conform EN 197-1 NEN 3550: 1995)
Aggregates Sea Sand 0-4 (conform NEN-EN 12620 / Dutch NEN 5905)
  Sea Gravel 2-8 (conform NEN-EN 12620 / Dutch NEN 5905)
Water Tap water (conform NEN-EN 206-1 / Dutch NEN 8005)
 
Tests and results
Resistance to water penetration (Conform NEN-EN 12390-8)
  Sample date March 20th, 2013  
  Penetration 2 mm
 
Water/cement ratio (Conform NEN 5960:2006)
  Sample date January 15th, 2013  
  x/c ratio 0,34  
 
Chloride Migration Coefficient (conformNT build 492)
  Sample date May 3nd, 2012  
  Single value 1.4 *10-12 m2s-1
    1.5 *10-12 m2s-1
    1.2 *10-12 m2s-1
  Average 1.4
*10-12 m2s-1
 
Compressive strength (conform NEN-EN 1015-11):
  Sample nr. 191
  Sample date May 10th, 2012
  Density 2307 (kg/m3) 144.02 (lb/ft3)
  fck 75 (N/mm2) 10878 (PSI)
 
fci
84.6 (N/mm2) 12275 (PSI)
 
fcm
82.26 (N/mm2) 11931 (PSI)
  σ            4.61 (N/mm2)     668 (PSI)
  ck + 1,48 σ 81.82 (N/mm2) 11867 (PSI)
  Criteria 1 Conform (fcm ≥ fck + 1,48σ)
  Criteria 2 Conform (fci ≥ fck – 4)
fck = characteristic concrete cube compressive strength
fci  = individual concrete cube compressive strength
fcm = Average concrete compressive strength (n=15)
σ = Standard deviation concrete cube compressive strength (n=35)