Characteristics of Humidity-Temperature Changing in the Below-Grade Concrete Structure by Applying Waterproofing Materials on the Exterior Wall

Table 4

Compressive strength of the concrete specimen.

Division	Result	Test method
Compressive strength test
HPC	29.34 MPa	KS F 2403
OPC	17.82 MPa
Rebound hardness test
HPC	27.44 MPa	Schmidt hammer test
OPC	18.29 MPa