Research Article

Evaluation of Freeze-Thaw Durability of Silica Fume Concrete with Spraying Inorganic Coating Using Ultrasonic Testing

Table 9

Parameters of linear relationship between ultrasonic compressive pulse velocity and compressive strength.

SpecimenA′B′Determination coefficient

All samples13.2697.5150.9359
C40-A1-NCTC14.3612.85760.9636
C40-A2-NCTC12.8149.88270.9408
C40-A3-NCTC14.1693.29070.9084