Advances in Materials Science and Engineering / 2019 / Article / Tab 9

Research Article

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

Table 9

Computation results of flexural strength of recycled concrete hollow blocks.

Block typeNumerical reading (kN)Average strength (MPa)Single block minimum (MPa)
12345

RCB-10-12.691.73
(kN)20.735.437.330.439.4
L (mm)367367367367367
B (mm)190190190189189
H (mm)186195182186189
Strength (MPa)1.732.703.262.563.21

RCB-10-21.871.67
(kN)23.822.225.420.321.1
L (mm)367367367367367
B (mm)190189190189190
H (mm)184186189188190
Strength (MPa)2.041.872.061.671.69

RCB-10-31.841.55
(kN)19.721.223.124.518.1
L (mm)367367367367367
B (mm)190190189191190
H (mm)180185186182184
Strength (MPa)1.761.791.942.131.55

RCB-10-41.381.1
(kN)15.221.713.415.817.4
L (mm)367367367367367
B (mm)190188190190190
H (mm)185190188187188
Strength (MPa)1.291.761.101.311.43

RCB-7.5-12.161.6
(kN)31.521.332.128.419.5
L (mm)367367367367367
B (mm)190190190190190
H (mm)191191188187188
Strength (MPa)2.501.692.632.351.60

RCB-7.5-21.421.33
(kN)16.318.218.416.117.2
L (mm)367367367367367
B (mm)189189190190190
H (mm)188187188187188
Strength (MPa)1.341.521.511.331.41

RCB-7.5-31.251.09
(kN)1515.413.416.115.9
L (mm)367367367367367
B (mm)189189190190190
H (mm)185190189188187
Strength (MPa)1.281.241.091.321.32

RCB-7.5-41.030.92
(kN)13.311.712.313.811.4
L (mm)367367367367367
B (mm)189188190190190
H (mm)190183189187189
Strength (MPa)1.071.021.001.140.92

RCB-10-51.211.14
(kN)13.415.814.414.615.3
L (mm)367367367367367
B (mm)189189190190190
H (mm)185190189188187
Strength (MPa)1.141.271.171.201.27

RCB-7.5-51.060.91
(kN)15.211.713.61211.2
L (mm)367367367367367
B (mm)190190190190190
H (mm)181189187189189
Strength (MPa)1.340.951.130.970.91

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