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List of Articles Mohamad Ali Lotfolahiyagin Open Access Article Abstract Page Full-Text 1 - Distribution of Stress Concentration Factors along the Weld Toe of Tubular KT-joints in Truss Bridges rasol Bageri mohammadali lotfolahiyagin Hamid Ahmadi 20.1001.1.23456310.1389.8.10.2.5 Open Access Article Abstract Page Full-Text 2 - Comparing of System Identification and Spectral Analysis Capability in Modeling and Predicting of the Sea Wave Hydrodynamic Forces on Cylindrical Pile reza Gahangiri mohammad lotfolahiyagin 20.1001.1.23456310.1389.8.9.3.4 Open Access Article Abstract Page Full-Text 3 - Numerical Study of the Position and Dimensions of the Openings on the Seismic Ductility of the Reinforced Concrete Slab - Column Connections Having Flexural Reinforcing and Shear Bolts Nasibe motazaker mohamadali lotfolahiyagin 20.1001.1.23456310.1393.11.1.6.6 Open Access Article Abstract Page Full-Text 4 - Quantitative assessment of vulnerability of reinforced concrete buildings in Urmia seyedadris javadein Mohammadali lotfolahiyagin 20.1001.1.23456310.1384.2.2.8.7 Open Access Article Abstract Page Full-Text 5 - Effect of Air Entrain and Microsilis Additives on Light Weight Perlite Concrete Mahin Ganadi mohammadali lotfolahiyagin Raheb Amiri 20.1001.1.23456310.1392.10.1.8.1