List of Articles تغییر مکان Open Access Article Abstract Page Full-Text 1 - Size- dependent static displacement analysis of nanotube under electrostatic force with different boundary conditions abbas zandi baghche maryam سید علی موسوی Open Access Article Abstract Page Full-Text 2 - Application of Environmental Change Planning Model - A Contribution in Identifying Advantages Competitive and structural nature of insurance activities in the private insurance company reza ziyari fatemeh salehi Open Access Article Abstract Page Full-Text 3 - The Heat Effect of Composite Deck Behavior Railroad Bridges (Case Study: Part Two, railroad Project of Meyaneh-Bostanabad-Tabriz) alireza saeedi ahmad maleki Open Access Article Abstract Page Full-Text 4 - Study on Behavior of Infilled Composite Steel Frame under Lateral Loading Hasan PoorMohammad seyedali tabatabayi Open Access Article Abstract Page Full-Text 5 - Seismic behavior of knee brace compared with X and Chevron bracing in steel frame Mohamad haghayegh gafar Asgari mohammad sadeg rohani manesh