Experimental Study on an Innovative Shear Connector in Steel-UHPC Composite Structure

Table 4

Comparison of three stiffness calculation methods.

Specimens	Calculation method and value of shear stiffness (kN mm^−1)
	The Japan Steel Construction Association	Eurocode 4	Proportional limit secant stiffness
A-1-1	755.526	591.088	639.848
A-1-2	866.604	680.056	761.816
B-3-1	2506.162	1564.658	1675.614
B-3-2	1798.452	1305.543	1578.204
C-1-1	4577.599	3650.982	3835.917
C-1-2	2701.119	2787.555	2974.073
C-2-1	9257.422	6404.624	7235.301
C-2-2	7676.572	5172.450	5599.133
C-3-1	10878.816	9294.563	10151.348
C-3-2	13027.839	10829.391	11283.905