Advances in Materials Science and Engineering / 2019 / Article / Tab 11

Research Article

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

Table 11

Summary of the test results of flexural strength of recycled blocks with different substitution rates of MU7.5.

BlockRCB-7.5-1RCB-7.5-2RCB-7.5-3RCB-7.5-4RCB-7.5-5

Average flexural strength (MPa)2.161.421.251.031.06
Standard deviation (MPa)0.44090.12360.09540.08190.1775
Coefficient of variation0.20410.08700.07630.07950.1675
Minimum flexural strength of single block (MPa)1.61.331.090.920.91

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