List of Articles Open Access Article Abstract Page Full-Text 1 - Numerical Modeling of the U-Boot Roof Behavior and Its Comparison with the Steel Deck Roofs, Cobiax roof, and Concrete Slabs Saeed Sharifi Ahmad Maleki 20.1001.1.23456310.1399.17.1.1.3 Open Access Article Abstract Page Full-Text 2 - Evaluation and Comparison of Seismic Behavior of Steel High-rise Buildings Applying Concrete and Steel Shear Walls Seyed Fathollah Sajedi Farid Soleimani 20.1001.1.23456310.1399.17.1.2.4 Open Access Article Abstract Page Full-Text 3 - Estimation of Response Modification Factor of Precast Concrete Frames with Semi Rigid Connections strengthened with X-Steel Bracing Babak Behforouz Mohammadhasan Meisami zahrasadat mousavi 20.1001.1.23456310.1399.17.1.3.5 Open Access Article Abstract Page Full-Text 4 - The effect of Number and Position of Braced Frames on Failure Distribution and Column Behavior of the Dual Steel Structural System (MRF and EBF) Alireza Faroughi Sajjad Mohammadi Abd-ol-Reza Sarvghad Moghaddam 20.1001.1.23456310.1399.17.1.4.6 Open Access Article Abstract Page Full-Text 5 - Investigation of the effect of low-strength steel on 6-story moment frame connections against progressive collapse ahmad karimian arastoo armaghani Alaaddin Behravesh 20.1001.1.23456310.1399.17.1.5.7 Open Access Article Abstract Page Full-Text 6 - Investigation of the Factors affecting the Ductility of Steel Plate Shear Wall with Corrugated Sheet under Cyclic Loading Zaman Majidinia Kourosh Mehdizadeh Abbasali Sadeghi Seyede Vahide Hashemi 20.1001.1.23456310.1399.17.1.6.8