Research Article

Analysis of the Effect of Substitution Rate on the Mechanical Properties of Recycled Concrete Hollow Block

Table 2

Quantity of materials required for the MU7.5 block experiment.

NumberReplacement rate (%)Cement (kg)Water (kg)Natural coarse aggregate (kg) with continuous gradation of gravel 5–10 mmNatural fine aggregate (kg)Recycled fine aggregate (kg)

RCB-7.5-1037.7527.4686.66259.970.00
RCB-7.5-23037.7528.5586.66181.9877.99
RCB-7.5-36037.7529.6486.66103.99155.98
RCB-7.5-410037.7530.7386.660.00259.97
Total151.00116.38346.64545.94493.94