Influence of Abutment Stiffness and Strength on the Seismic Response of Horizontally Curved RC Bridges in Comparison with Equivalent Straight Bridges at Different Seismic Intensity Levels

Table 2

Notations used for the definition of each bridge model.

Central curvature angle (degree)	Abutment typology
	No abutment (free)	Abutment with lower stiffness (soil + 10 piles)	Abutment with higher stiffness (soil + 20 piles)
Zero (straight)	F0	L0	H0
30	F1	L1	H1
60	F2	L2	H2
90	F3	L3	H3
120	F4	L4	H4
150	F5	L5	H5
180	F6	L6	H6