Bond Slip Behavior of Grout-Filled Concrete Members with Different Interface Materials

Table 2

Concrete properties.

	1	2	3	4	5	6	7	Mean	Standard deviation
Concrete cube strength (MPa)	61.5	62.2	63.1	59.2	58.8	60.5	59.4	60.7	1.5
Elasticity modulus (10^4 MPa)	3.9	4.1	3.6	4.1	3.7	3.9	3.7	3.9	0.2