Mechanical Model for Shear Friction Capacity of Concrete at Construction Joints

Table 2

Statistical comparison of measured and predicted shear friction strengths.

Interface type	Statistical value	Proposer
		ACI 318-14	AASHTO	fib 2010	This study
Smooth construction joint		3.15	1.80	1.73	0.99
		2.23	0.87	0.76	0.39
		0.71	0.48	0.44	0.39
		NA	0.18	0.31	0.27
		7.29	3.42	3.14	1.72
Rough construction joint		2.16	1.41	2.99	1.00
		1.13	0.49	1.35	0.28
		0.52	0.35	0.45	0.28
		0.36	0.63	0.84	0.55
		3.95	2.20	5.14	1.44
Total		2.46	1.56	2.56	1.01
		1.64	0.68	1.33	0.32
		0.67	0.44	0.52	0.32
		NA	0.43	0.38	0.48
		5.15	2.68	4.75	1.55