623 Descibe what combination of SCMs and admixtures and WIC
     6:23 Descibe what combination of SCMs and admixtures and WIC you would want to make sure to have to create a very high strength concrete (f 10ksi), and explain why.  
  
  Solution
SCMs= supplymentry cementitious materials
SCMs, admixtures and W/C are give the very high strength because SCMs resist the concrete of sulphate attack and admixture give strength of cement and also W/C increase the strength of cement .

