Strengthening and Closing Cracks for Existing Reinforced Concrete Girders Using Externally Post-Tensioned Tendons. jcoeng [Internet]. 2013 Nov. 1 [cited 2025 Apr. 26];19(11):1354-7. Available from: https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/2296