Preparation, Performance Test, and Microstructure of Composite Modified Reinforced Concrete

Table 2

Concrete mix proportions and unit weight.

Large group	Specimen	Sand (kg/m^3)	PVC aggregate (kg/m^3)	Polypropylene fiber (kg/m^3)	Unit weight (kg/m^3)
					Theoretical	Hardened
RC-0-0-Z	RC-0-0-0 (NC)	701	0.0	0.0	2400.0	2375.6
	RC-0-0-5	665.9	20.4	0.0	2385.4	2334.3
	RC-0-0-10	630.9	40.7	0.0	2370.7	2300.9
	RC-0-0-20	560.8	81.4	0.0	2341.4	2248.7
	RC-0-0-30	490.7	122.2	0.0	2312.1	2233.2
RC-0-1-Z	RC-0-1-0	701	0.0	0.9	2400.9	2371.6
	RC-0-1-5	665.9	20.4	0.9	2386.3	2328.7
	RC-0-1-10	630.9	40.7	0.9	2371.6	2302.1
	RC-0-1-20	560.8	81.4	0.9	2342.3	2253.7
	RC-0-1-30	490.7	122.2	0.9	2313.0	2235.6
RC-1-0-Z	RC-1-0-5	665.9	20.4	0.0	2385.3	2332.1
	RC-1-0-10	630.9	40.7	0.0	2370.5	2290.9
	RC-1-0-20	560.8	81.4	0.0	2341.0	2249.7
	RC-1-0-30	490.7	122.2	0.0	2311.5	2235.3
RC-1-1-Z	RC-1-1-5	665.9	20.4	0.9	2386.2	2318.9
	RC-1-1-10	630.9	40.7	0.9	2371.4	2294.1
	RC-1-1-20	560.8	81.4	0.9	2341.9	2254.9
	RC-1-1-30	490.7	122.2	0.9	2312.4	2235.1