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

Figure 8

The influence of prewetting time of GHB on the interfacial HV of lightweight aggregate concrete: (a) 7 d of water curing, (b) 14 d of water curing, (c) 28 d of water curing, and (d) 56 d of water curing.

(a)

(b)

(c)

(d)