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

Table 6

Compressive strength of recycled concrete hollow block test recording and processing.

Specimen number	Condition	Numerical reading (kN)						Average value (kN)	Average intensity (MPa)
RCB-10-1	Breaking load (kN)	964	750	744	736	738	728	776.67
	Length L (mm)	390	390	390	390	390	390
	Width B (mm)	189	188	190	190	190	190
	Strength (MPa)	13.08	10.23	10.04	9.93	9.96	9.82		10.51
RCB-10-2	Breaking load (kN)	628	602	596	660	654	668	634.67
	Length L (mm)	391	389	391	390	390	390
	Width B (mm)	189	189	190	190	190	190
	Strength (MPa)	8.50	8.19	8.02	8.91	8.83	9.01		8.58
RCB-10-3	Breaking load (kN)	536	520	512	522	516	528	522.33
	Length L (mm)	390	390	389	389	390	390
	Width B (mm)	190	189	189	189	190	190
	Strength (MPa)	7.23	7.05	6.96	7.10	6.96	7.13		7.07
RCB-10-4	Breaking load (kN)	490	556	416	556	350	466	472.33
	Length L (mm)	390	390	389	390	389	390
	Width B (mm)	190	190	190	190	189	190
	Strength (MPa)	6.61	7.50	5.63	7.50	4.76	6.29		6.38
RCB-7.5-1	Breaking load (kN)	638	556	680	540	468	490	562.00
	Length L (mm)	390	390	390	390	390	390
	Width B (mm)	190	190	189	190	190	190
	Strength (MPa)	8.61	7.50	9.23	7.29	6.32	6.61		7.59
RCB-7.5-2	Breaking load (kN)	606	470	496	476	490	456	499.00
	Length L (mm)	390	390	389	390	390	390
	Width B (mm)	190	190	190	189	189	189
	Strength (MPa)	8.18	6.34	6.71	6.46	6.65	6.19		6.75
RCB-7.5-3	Breaking load (kN)	356	404	436	406	412	376	398.33
	Length L (mm)	390	390	390	390	390	390
	Width B (mm)	190	190	190	189	189	189
	Strength (MPa)	4.80	5.45	5.88	5.51	5.59	5.10		5.39
RCB-7.5-4	Breaking load (kN)	488	504	388	272	288	328	378.00
	Length L (mm)	390	389	389	389	389	388
	Width B (mm)	190	190	189	189	190	189
	Strength (MPa)	6.59	6.82	5.28	3.70	3.90	4.47		5.13
RCB-10-5	Breaking load (kN)	470	500	464	416	350	572	462.00
	Length L (mm)	390	390	390	390	390	390
	Width B (mm)	190	190	190	189	190	190
	Strength (MPa)	6.34	6.75	6.26	5.64	4.72	7.72		6.24
RCB-7.5-5	Breaking load (kN)	300	504	206	386	280	400	346.00
	Length L (mm)	390	390	390	390	390	390
	Width B (mm)	190	187	190	190	189	190
	Strength (MPa)	4.05	6.91	2.78	5.21	3.80	5.40		4.69