Influencing Factors on the Interface Microhardness of Lightweight Aggregate Concrete Consisting of Glazed Hollow Bead

Figure 9

The influence of prewetting time of GHB on the interfacial HV of lightweight aggregate concrete: (a) prewetting time 0 s, (b) prewetting time 60 s, (c) prewetting time 90 s, and (d) prewetting time 180 s.

(a)

(b)

(c)

(d)