Table 3 Mechanical properties of epoxied joints.

Specimens ID

Cracking load \({\varvec{V}}_{{{\varvec{cr}}}} \left( {{\varvec{kN}}} \right)\)

Ultimate load \({\varvec{V}}_{{\varvec{u}}} \left( {{\varvec{kN}}} \right)\)

\(\frac{{{\varvec{V}}_{{{\varvec{cr}}}} }}{{{\varvec{V}}_{{\varvec{u}}} }}\left( \user2{\% } \right)\)

Confining stressin initial state \({\mathbf{P}}_{{{\varvec{in}}}} \left( {{\varvec{kN}}} \right)\)

Confining stress in cracking state \({\mathbf{P}}_{{{\varvec{cr}}}} \left( {{\varvec{kN}}} \right)\)

\(\frac{{{\mathbf{P}}_{{{\varvec{cr}}}} - {\mathbf{P}}_{{{\varvec{in}}}} }}{{{\mathbf{P}}_{{{\varvec{in}}}} }}\left( \user2{\% } \right)\)