Research Article

Carbonation Depth Model and Prediction of Hybrid Fiber Fly Ash Concrete

Table 4

Fitting function of carbonation depth and carbonation time of hybrid fiber concrete.

NumberingFly ash content (%)Fitting functionCorrelation coefficient (R2)

PBC-FA000.990
PBC-FA550.993
PBC-FA10100.987
PBC-FA20200.994
PBC-FA30300.995