IMPROVING SHEAR STRENGTH OF THICK HOLLOW CORE SLABS BY USING LIGHTWEIGHT HIGH STRENGTH CONCRETE PRODUCED FROM RECYCLED CRUSHED CLAY BRICK AND IRON POWDER WASTE. Journal of Engineering and Sustainable Development, [S. l.], v. 23, n. 6, p. 128–146, 2019. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/187.. Acesso em: 4 may. 2024.