1. Specifications for unbonded post-tensioning tendons;Kelly;Concr Int J,2016
2. Comparative study of prestressed concrete beams, with and without bond;Mattock;ACI J Proc,1971
3. Stress at ultimate in unbonded post-tensioning tendons: part 2-proposed methodology;Naaman;ACI Struct J,1991
4. Stresses in external tendons at ultimate;Roberts-Wollmann;ACI Struct J,2005
5. Tendon stress at ultimate in continuous unbonded post-tensioned members: proposed modification of ACI Eq. (18–4) and (18–5);Harajli;ACI Struct J,2012