متن کامل ترجمه مقاله ISI در Elsevier در فایل word به فروش می رسد که ترجمه چکیده آن را به عنوان نمونه می توانید ملاحظه فرمایید. Natural periods of steel plate shear wall systems Abstract In most seismic building codes, the design base acceleration is computed using the natural period of vibration of the structure. Design specifications provide empirical formula to estimate the fundamental natural period of a system. In this study a class of steel plate shear walls, that have uniform properties ...