List of Articles Open Access Article Abstract Page Full-Text 1 - Performance Evaluation of Viscoelastic and Friction Passive Damping System in Steel Structures Mohammad Taghi Kazemia Hosein Hoseini Open Access Article Abstract Page Full-Text 2 - Pillow-Shape Base Isolation System and Its Seismic Behavior Ali Tayaran Mahmood Hosseini Open Access Article Abstract Page Full-Text 3 - Influence of the Isolator Characteristics on the Response of the Isolated Buildings in the Near-FaultEarthquakes Beytollah Taromi Kiarash Nasserasadi Asghar Vatani Oskouei Open Access Article Abstract Page Full-Text 4 - Assessment of Subsurface Explosion caused byTunnel Construction in Urban Areas Hossein Haghighimanesh Mohammad Azadi Open Access Article Abstract Page Full-Text 5 - The Effect of Recurring on Physical Properties of Concrete Containing Silica-Fume with Improper First Curing Ali Delnavaz Mohammad Reza Pezeshkian Open Access Article Abstract Page Full-Text 6 - Effect of Adding Nanoclay on the Mechanical Behaviour of Fine-grained Soil Reinforced with Polypropylene Fibers Alireza Tabarsa SeyedJassem Hosseini