Hysteretic Behavior of Prestressed Concrete Bridge Pier with Fiber Model

Table 1

Characteristics of section fiber.

Type	Number	Coordinate	Area	Tangent modulus
Concrete	𝑖𝑐	(𝑥𝑖𝑐,𝑦𝑖𝑐)	𝐴𝑖𝑐	(𝐸𝑡)𝑖𝑐
Reinforcement	𝑖𝑠	(𝑥𝑖𝑠,𝑦𝑖𝑠)	𝐴𝑖𝑠	(𝐸𝑡)𝑖𝑠
Prestressed tendon	𝑖𝑝	(𝑥𝑖𝑝,𝑦𝑖𝑝)	𝐴𝑖𝑝	(𝐸𝑡)𝑖𝑝