Nasir Ghadhban H, Amer Mushatt H, Kamal Jaafar E. CRACK PATTERN AND MODES FAILURE INVESTIGATION OF REINFORCED CONCRETE INVERTED HOLLOW CORE DAPPED END BEAMS STRENGTHENED WITH LONGITUDINAL NORMAL STRAND BARS (BOLTS). J. eng. sustain. dev. [Internet]. 2017 Jan. 1 [cited 2025 Apr. 19];21(1):205-22. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/564