List of Articles Punching shear Open Access Article Abstract Page Full-Text 1 - Punching Shear in Fat Slabs and Suitable Methods to Prevent Shear Failure in Slabs javad ezati arasto Armagani Open Access Article Abstract Page Full-Text 2 - Investigation of the Effect of Trigonometric Rotation of the Column on Punching Shear Capacity in Two-Way Hollow Slabs Using Finite Element Metho hadi azizian mohammad ali lotfollahi yaghin Alaaddin behravesh Open Access Article Abstract Page Full-Text 3 - Numerical Study of the Position and Dimensions of the Openings on the Seismic Ductility of the Reinforced Concrete Slab - Column Connections Having Flexural Reinforcing and Shear Bolts Nasibe motazaker mohamadali lotfolahiyagin