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

Figure 12

The influence of age of curing on the interfacial HV of cement paste at different water to cement ratios ((a) for 0.45, (b) for 0.5, and (c) for 0.55).

(a)

(b)

(c)