Performance Analysis of a Recycled Concrete Interfacial Transition Zone in a Rapid Carbonization Environment

Figure 3

Three types of interface positions and RBI directions: (a) LG-XJ interface matrix point group; (b) LJ-XJ interface matrix point group; (c) LG-LJ interface vertical single-line point group; (d) the typical indent for microhardness test.

(a)

(b)

(c)

(d)