Strain Monitoring of Widening Cement Concrete Pavement Subjected to Differential Settlement of Foundation

Figure 5

Variation of strain in the pavement as measured with FBG sensors.

(a) Top of concrete pavement (with geogrid)

(b) Bottom of concrete pavement (with geogrid)

(c) Top of concrete pavement (no geogrid)

(d) Bottom of concrete pavement (no geogrid)