Research Article

Mechanical Properties and Conversion Relations of Strength Indexes for Stone/Sand-Lightweight Aggregate Concrete

Figure 9

Relationship curves between A, B, and r. (a) Relationship between A and r. (b) Relationship between B and r (r represents the replacement rate of natural stone or sand; A and B are defined as influenced coefficients of for stone-LAC, sand-LAC under different replacement rates, respectively).
(a)
(b)