List of Articles Open Access Article Abstract Page Full-Text 1 - Numerical Study of Helical Piles in Sandy Soils Under Vertical and Lateral Loads Farhad Nabizadeh Ali Zahmatkesh Amirhosin Moslemi 10.71507/civil.2025.1207369 Open Access Article Abstract Page Full-Text 2 - Applied Conceptual Investigation of Earthquake Record Data in the Time Domain and its Relationship with the Frequency Domain by Using Rapid Screening Method (case study: Sarpol-e-Zahab Earthquake) Mohammad Reza Tabeshpour آزاده نوری فرد 10.71507/civil.2025.1207374 Open Access Article Abstract Page Full-Text 3 - Advanced Retrofitting Technologies for Unconfined Reinforced Concrete Columns: A Comprehensive Review محمدرضا شکرزاده mahdi sharifi amir jafari Mohamad eisa Mohamaddost Mohammad Hesham Tahery 10.71507/civil.2025.1207487 Open Access Article Abstract Page Full-Text 4 - Experimental Investigation of Ultra-High Performance Concrete Without utilizing vapor Ramtin Rezakhani محمدقاسم وتر علی قمری yousef zandi 10.71507/civil.2025.1207578 Open Access Article Abstract Page Full-Text 5 - Evaluating the Impact of Seismic Sequence on Low Cycle Fatigue Failure in the Connections of Performance-Based Optimization Steel Moment Frames masoud ghaderi Open Access Article Abstract Page Full-Text 6 - Investigating the Effect of the Geometric Shape of the Slit on the Seismic Behavior of the Steel Slit Damper in the Concentric Braced Shahrzad Pahang Leila Hosseinzadeh Open Access Article Abstract Page Full-Text 7 - Investigating the Behavior of Steel Beams Reinforced with CFRP and GFRP Mehdi Khanloo Heydar Dashti Nasserabadi مرتضی جمشیدی