Advances in Materials Science and Engineering / 2019 / Article / Tab 8

Research Article

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

Table 8

Summary of the test results of compressive 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 compressive strength (MPa)7.596.755.395.134.69
Standard deviation (MPa)1.15800.77810.35281.32651.4592
Coefficient of variation0.15260.11530.06550.25860.3111
Minimum compressive strength of single block (MPa)6.326.194.803.702.78

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