Research Article

Multiscale Investigation of Porosity Characteristic in Concrete Exposed to Acidic Environment

Figure 4

SEM micrograph ( ) and EDS spectra for concrete attacked by acid ((a) controlled specimen; (b) specimen exposed to acid for 3 days; (c) specimen exposed to acid for 7 days; (d) specimen exposed to acid for 10 days).
923010.fig.004a
(a)
923010.fig.004b
(b)
923010.fig.004c
(c)
923010.fig.004d
(d)