Investigation and Improvement of Bursting Force Equations in Posttensioned Anchorage Zone

Table 1

Comparison of different bursting force equations.

Code	Bursting force equation	Factors included in the equations
		Anchorage shape	Eccentricity	Inclined duct
Mörsch
Guyon			○
AASHTO				○
Zhou	, where		○	○

P: tendon load; γ: eccentric ratio of tendons; h: depth of the cross section; a: width of the bearing plate; α: angle of tendon; e: eccentricity.