Abstract




 
   

IJE TRANSACTIONS B: Applications Vol. 30, No. 11 (November 2017) 1691-1699   

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  INVESTIGATING THE SEISMIC RESPONSE OF STRUCTURAL WALLS USING NONLINEAR STATIC AND INCREMENTAL DYNAMIC ANALYSES
 
M. Asgari and S. Tariverdilo
 
( Received: June 14, 2017 – Accepted in Revised Form: September 08, 2017 )
 
 

Abstract    Structural walls commonly used as efficient structural elements to resist lateral and vertical loads. Diverse performance of bearing wall system in past earthquakes, motivates investigation on the adequacy of current seismic design provision for these walls. This study considers seismic performance of model walls of bearing wall and building frame systems designed as ordinary and special structural walls. Performance of the model walls are evaluated through static pushover and incremental dynamic analyses. Results show superior performance of the bearing wall system, which is in odd with small response modification factor given in the current design codes.

 

Keywords    Bearing wall system, Building frame system, Special shear wall, Ordinary shear wall, Incremental dynamic analysis

 

چکیده    دیوارهای سازه­ای معمولاً به عنوان اجزایی کارا برای بارهای جانبی و قائم مورد استفاده قرار می­گیرند. عملکردهای متفاوت دیوارهای باربر در زلزله­های گذشته، لزوم بررسی ایمنی دیوارهای طراحی شده براساس ضوابط آیین­نامه­های طراحی را در پی دارد. در این مطالعه عملکرد دیوارهای سیستم دیوار باربر و سیستم قاب ساختمانی طراحی شده براساس ضوابط شکل­پذیری ویژه و معمولی بررسی شده است. عملکرد دیوارهای مورد مطالعه با استفاده از آنالیز استاتیکی و دینامیکی افزاینده مورد بررسی قرار گرفته است. نتایج، گویای عملکرد قابل قبول سیستم دیوار باربر است که با ضرایب رفتار پائین­تر این سیستم در آئین­نامه­های طراحی هم­خوانی ندارد.

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