non linear time history analyses

damages due to northridge and kobe earthquakes were expressive of considerable effects of vertical components of earthquakes compared to the horizontal ones. on the other hand, thin steel plate shear wall is one of the newest resistant systems which until now it`s behavior haven’t been investigated under vertical component of earthquake. therefore, in this article, effects of vertical component...

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the theory of “living time ” in periodization of iranian architectural history

Journal: :international journal of architecture and urban development 2013

mehrdad qayyoomi bidhendi

the writing of iranian architectural history has, from its start, followed the principles of western historiography. portions of this history are well expected to be neglected or unattended when writing of it takes place outside its intellectual framework that essentially reflects the iranian throught world. to have a truly iranian architectural historiography, one has to find the theoretical p...

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عملکرد لنگر تولیدی حاصل از مخزن مستغرق متحرک در کاهش دامنه پاسخ سکوی ثابت برجی

ژورنال: مهندسی دریا 2011

محرمی گرگری, محمدرضا , آقاکوچک, علی اکبر , شفیعی فر, مهدی,

In this paper, a concept is presented for decreasing the response amplitude of fixed offshore platforms using a movable submerged tank. The idea is based on utilization of the tank’s buoyancy and inertia forces to reduce the responses of the platform. In this concept, a four-legged platform is investigated in which braces are removed in lower levels, and the movable submerged tank including sub...

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