ﺑﺮرﺳﯽ آزﻣﺎﯾﺸﮕﺎﻫﯽ رﻓﺘﺎر ﻋﻤﻠﮑﺮدی دﯾﻮارﻫﺎی ﺑﺮﺷﯽ ﻓﻮﻻدی ﺑﺎ ورق ﺟﺎن ﺻﺎف و ﻣﻮج دار ذوزﻧﻘﻪ ای ﻋﻤﻮدی ﺑﺎ زاوﯾﻪ 45 درﺟﻪ

ﺗﺤﻘﯿﻘﺎت ﭘﯿﺸﯿﻦ ﻧﺸﺎن داده، دﯾﻮارﻫﺎی ﺑﺮﺷﯽ ﻓﻮﻻدی (spsw) ﺳﯿﺴﺘﻢ ﻣﻬﺎرﺑﻨﺪی ﻣﻨﺎﺳﺐ، اﻗﺘﺼﺎدی ﮐﺎرآﻣﺪ ﻧﺴﺒﺖ ﺑﻪ دﯾﮕﺮ ﺳﯿﺴﺘﻢﻫﺎی ﻣﻘﺎوم در ﺑﺮاﺑﺮ ﺑﺎرﻫﺎی ﺟﺎﻧﺒﯽ ﻣﯽﺑﺎﺷﺪ. ﻣﻬﻤﺘﺮﯾﻦ ﭘﺎراﻣﺘﺮ ﻫﺎﯾﯽ ﮐﻪ در اﻧﺘﺨﺎب ﺳﯿﺘﻢ ﻣﻘﺎوم در ﻣﻘﺎﺑﻞ ﺑﺎرﻫﺎی ﺟﺎﻧﺒﯽ ﻣﻮرد ﺗﻮﺟﻪ ﻣﯽﺑﺎﺷﺪ، ﻋﺒﺎرﺗﻨﺪ از: ﺳﺨﺘﯽ اوﻟﯿﻪ و ﻣﻮﺛﺮ، ﻣﻘﺎوﻣﺖ، ﺷﮑﻞﭘﺬﯾﺮی، ﻇﺮﻓﯿﺖ ﺟﺬب اﻧﺮژی ﻣﯽﺑﺎﺷﺪ. ﺑﻪ ﻃﻮر ﮐﻞ، دﯾﻮارﻫﺎی ﺑﺮﺷﯽ ﻓﻮﻻدی ﻣﻌﻤﻮﻻ ﺑﻪ دو ﺻﻮرت ﺳﺨﺖ ﻧﺸﺪه و ﺳﺨﺖ ﺷﺪه، ﻃﺮاﺣﯽ ﻣﯽﮔﺮدد. اﺳﺘﻔﺎده از ورق ﻣﻮﺟﺪار ﺑﺮای ﺟﺎن دﯾﻮار ﺑﺮﺷﯽ ﻓﻮﻻدی، ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﺷﮑﻞ ﺧﺎص ورقﻫﺎی ﻣﻮﺟﺪار ذوزﻧﻘﻪای و ﺳﺨﺘﯽ ﺑﺎﻻی ﺧﺎرج از ﺻﻔﺤﻪ، ﻣﯽﺗﻮاﻧﺪ ﺟﺰ ﺳﯿﺴﺘﻢ دﯾﻮار ﺑﺮﺷﯽ ﻓﻮﻻدی ﺻﺎف و ﺳﺨﺖ ﺷﺪه ﺑﺸﻤﺎر آﯾﺪ. در اﯾﻦ ﻣﻘﺎﻟﻪ ﺑﻪ ﺑﺮرﺳﯽ آزﻣﺎﯾﺸﮕﺎﻫﯽ ﻣﻨﺤﻨﯽ backbone ﺳﺨﺘﯽ، ﻣﻘﺎوﻣﺖ و ﺑﺮش ﺣﺪاﮐﺜﺮ ﭘﺎﯾﻪ، ﺷﮑﻞﭘﺬﯾﺮی، ﺟﺬب اﻧﺮژی و ﺿﺮﯾﺐ اﺻﻼح ﺷﮑﻞﭘﺬﯾﺮی )ﺿﺮﯾﺐ m( ﻧﻤﻮﻧﻪ ﻫﺎی دﯾﻮار ﺑﺮﺷﯽ ﺻﺎف و ﻣﻮﺟﺪار ذوزﻧﻘﻪای ﻋﻤﻮدی ﺑﺎ زاوﯾﻪ 45 درﺟﻪ ﮐﻪ ورق ﺟﺎن ﺑﺎ ورق اﺗﺼﺎل ﺑﻪ اﻟﻤﺎن ﻣﺮزی ﻣﺘﺼﻞ ﺷﺪه ، ﺗﺤﺖ ﺑﺎرﮔﺬاری ﭼﺮﺧﻪ ای، ﭘﺮداﺧﺘﻪ ﺷﺪه اﺳﺖ. ﻣﺸﺎﻫﺪه ﺷﺪ، ﺳﺨﺘﯽ اوﻟﯿﻪ و ﻣﻮﺛﺮ ﻧﻤﻮﻧﻪی ﻣﻮﺟﺪار ﺑﯿﺸﺘﺮ از ﻧﻤﻮﻧﻪ ﺻﺎف ﻣﯽﺑﺎﺷﺪ و ﺟﺬب اﻧﺮژی دﯾﻮار ﺑﺮﺷﯽ ﺻﺎف ﻧﺴﺒﺖ ﺑﻪ دﯾﻮار ﺑﺮﺷﯽ ﻣﻮجدار ﺑﯿﺸﺘﺮ اﺳﺖ و رﻓﺘﺎر ﭘﺎﯾﺪارﺗﺮی ﻧﺴﺒﺖ ﺑﻪ دﯾﻮار ﺑﺮﺷﯽ ﻣﻮج دار ﭘﺎﯾﺪارﺗﺮ اﺳﺖ. ﺑﻨﺎﺑﺮاﯾﻦ دﯾﻮار ﺑﺮﺷﯽ ﺑﺎ ورق ﺻﺎف در مناطق ﺑﺎ ﺧﻄﺮ زﻟﺰﻟﻪ ﺧﯿﺰی زﯾﺎد ﺑﺴﯿﺎر ﻣﻨﺎﺳﺐ ﻣﯽﺑﺎﺷﺪ.

experimental investigation of the behavior of steel plate shear walls with flat sheet and corrugated vertical trapezoidal sheet with an angle of 45 degrees

previous research has showed that steel shear walls (spsws) are a suitable, cost-effective bracing system compared to other lateral load-bearing systems. the most important parameters that are considered in choosing a lateral load resistant system are: initial and effective stiffness, strength, ductility, energy absorption capacity. in general, steel shear walls are usually designed in methods, unstiffened and stiffened. using corrugated sheet as the web of steel plate shear wall(because of the special shape of trapezoidal corrugated sheets and its high out of plane stiffness) can be considered as a part of flat and stiffened steel plate shear wall system.. in this paper investigate, the backbone curve, stiffness, strength and maximum shear base, ductility, energy absorption and m-factor of flat and corrugated vertical trapezoidal steel plate shear walls with 45 degree angle connected by welding of fishplate to the boundary element, under cyclic loadingwas studied. it was observed that the initial and effective stiffness of the corrugated sample is higher than the smooth sample and the energy absorption of the smooth shear wall is higher than the corrugated shear wall and the more stable behavior is more stable than the corrugated shear wall. therefore, shear walls with smooth sheets are very suitable in areas with high seismic risk