List of Articles hexagrid Open Access Article Abstract Page Full-Text 1 - Evaluation of Seismic Performance of Combined Horizontal and Vertical Hexagrid Structural System for High-rise Buildings Yasaman Memarzadeh Kiani Maryam Firoozi Nezamabadi Open Access Article Abstract Page Full-Text 2 - A Comparative Study on Seismic Performance of Hexagrid, Diagrid and Tubular Structural Systems Saeed Kia Darbandsari Maryam Firoozi NezamAbadi