List of Articles Center of mass Open Access Article Abstract Page Full-Text 1 - A New Method for Ranking Fuzzy Numbers By the Center Of Mass H. Hadi Momenseraee M. Afshar Kermani Open Access Article Abstract Page Full-Text 2 - The effect of far and near field earthquakes on the collapse capacity of performance base optimization RC moment frames ashkan khodabandehlou siamak saboonchi 10.30495/civil.2023.1972417.1297 Open Access Article Abstract Page Full-Text 3 - Investigation of seismic Fragility and collapse capacity of RC Moment Frames Considering the increase of stiffness of the column relative to the beam under far and near field earthquakes siamak saboonchi ashkan khodabandehlou 10.30495/civil.2023.699218 Open Access Article Abstract Page Full-Text 4 - The effect of far- and near-field earthquakes on the collapse capacity of performance based optimization of RC moment frames siamak saboonchi ashkan khodabandehlou 10.30495/civil.2023.701926 Open Access Article Abstract Page Full-Text 5 - Center of Mass and its Applications in Ranking Nasser Mikaeilvand Open Access Article Abstract Page Full-Text 6 - Ranking of fuzzy numbers based on angle measure Mahnaz Barkhordari ahmadi