Mechanical Model for Shear Friction Capacity of Concrete at Construction Joints

Table 1

Comparison of cohesion and frictional coefficients of concrete in each model.

Model	Cohesion		Coefficient of friction
	Rough joint	Smooth joint	Rough joint	Smooth joint
ACI 318-14	Ignored		1.0	0.6
AASHTO	1.66 MPa	0.52 MPa	1.0	0.6
fib 2010	0.10	0	0.7	0.6
This study	0.27	0.11	0.95	0.64