• Investigating the Effect of Using Multistory Pipe Dampers and their Combination with Braces on Structure Performance 

  Talaeitaba, Sated Behzad؛ Jalali, Erafn (Islamic Azad University, South Tehran Branch, 2022-05-01)

  Researchers have combined passive control systems of differing stiffness with each other to provide multistory passive control systems. Each system absorbs and dissipates the applied energy according to its stiffness. This ...

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• Failure area evaluation of the coupler with threaded bar: Experimental and Numerical study 

  shokrzadeh, mohamad reza؛ Nateghi Allahe, Fariborz (Islamic Azad University, South Tehran Branch, 2022-05-01)

  The problem of overcrowding at the junction of the rebars is very significant, particularly for seismic details. Mechanical couplers can, thus offer an appealing solution that eliminates the disadvantages of traditional ...

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• Performance of Steel Beams Strengthened by Steel Pre-Stressed Cables and Memory Alloys under Static and Dynamic Loads 

  dadkhah tehrani, reza؛ Tavakoli, Davoud (Islamic Azad University, South Tehran Branch, 2022-05-01)

  With current progress in engineering science and in order to improve the performance of structures, the issue of strengthening of extant structures has caught many researchers' attention due to different reasons such as ...

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• Performance Evaluation of Viscoelastic and Friction Passive Damping Systems in Vibration Control of Tall Buildings 

  Noroozinejad Farsangi, Ehsan (Islamic Azad University, South Tehran Branch, 2011-12-01)

  This paper provides a comparison of the maximum inter-story drifts and tip acceleration of both a 16 and 30 stories building each with different structural systems; hybrid R.C moment frame with shear walls and hybrid steel ...

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• Performance Characteristics of Carbon-nanofiber Blended Self Compacting Concrete 

  M V N, Sivakumar (Islamic Azad University, South Tehran Branch, 2011-12-01)

  Semiconducting carbon nanofibers (CNF) are prepared from three different sources, i.e., acetylene, ethanol, and cotton by the chemical vapor deposition (CVD) process. These fibers are having rich elastic, engineering and ...

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• Stability Analysis Of 3-d Conventional Pallet Rack Structures With Semi-rigid Connections 

  Bajoria, Kamal M.؛ Sangle, Keshav K.؛ Talicotti, Rajshekar S. (Islamic Azad University, South Tehran Branch, 2009-12-01)

  This paper describe the three dimensional finite element modeling and buckling analysis ofconventional pallet racking system with semi rigid connection. In this study threedimensional models of conventional ...

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• Reliability Index For Reinforced Concrete Frames Using Nonlinear Pushover And Dynamic Analysis 

  Fallah, Ahmad A.؛ Moghadam, Abdoreza S.؛ Mohammadzadeh, Saeed (Islamic Azad University, South Tehran Branch, 2009-12-01)

  In the conventional design and analysis methods affecting parameters (loads, materials'strength, etc) are not set as probable variables. Safety factors in the current Codes andStandards are usually obtained on ...

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• Monitoring Process Of The Re-construction Of An Ancient Structure: The Baluarte Do Cavaleiro 

  Pinto, Jorge؛ Varum, Humberto؛ Guedes, João؛ Costa, Anibal (Islamic Azad University, South Tehran Branch, 2009-12-01)

  The Baluarte do Cavaleiro is part of the stone masonry wall system existing in the city ofChaves of Portugal and it is a construction dated from the XVII century. The Baluarte doCavaleiro is formed by three ...

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• Evaluation of the Performance of Visco-elastic Dampers in Near-fault Earthquakes using Nonlinear Time-history Analysis 

  Sabe-ahd, Rasoul؛ Jafarzadeh, Kolsum؛ Lotfollahi-Yaghin, Mohammad Ali (Islamic Azad University, South Tehran Branch, 2011-12-01)

  Records from near-fault earthquakes to close the distance where the wave propagation source is a special property that their behavior makes them different from other records. Mostly near-fault earthquakes have strong pulse ...

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• Effect of Foundation Depth on Seismic Response of the Cable-stayed Bridge by Considering of Soil Structure Interaction 

  Gopalkrishna Shah, Siddharth؛ Solanki, Chandresh H؛ Desai, Jatin D. (Islamic Azad University, South Tehran Branch, 2011-12-01)

  Post failure analysis of massive structure infers that Soil-structure interaction (SSI) is a crucial phenomena influencing seismic response of massive structures. Cable-stayed bridge's popularity and numbers are increasing ...

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• Nonlinear Analysis of Reinforced Concrete Columns with Fiber Reinforced Polymer Bars 

  Lotfy, Ehab M (Islamic Azad University, South Tehran Branch, 2011-12-01)

  In this paper, the results of an analytical investigation on the behavior of RC columns reinforced with fiber reinforced polymer bars FRP are presented and discussed. Nonlinear finite element analysis on 10-column specimens ...

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• Study of Dynamic Infinite Element Used for Soil Structure Interaction 

  Gharad, Anand M.؛ Sonparote, R. S. (Islamic Azad University, South Tehran Branch, 2011-12-01)

  Starting from two-dimensional (2D) equations of motion, discretized formulations for transient behavior of soil-structure interaction problems have been derived. Two different dynamic infinite elements taking into account ...

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• Tsunami Propagation in Arabian Sea and Its Effect on Dwarka City of Gujarat, India 

  Patel, Vikram M.؛ Patel, H.S؛ Singh, A.P (Islamic Azad University, South Tehran Branch, 2010-12-01)

  In Western Coast of Gujarat destructive tsunamis have been generated from large earthquakes along the Makran Coast, Chagos Ridge and Kutch Region in the past. Although the historical record is incomplete, it is believed ...

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• Seismic Upgrading of Non-ductile Steel Frames using Steel Plate Shear Walls 

  Bhatia, Vishal؛ Ghosh, Siddhartha (Islamic Azad University, South Tehran Branch, 2010-12-01)

  Many old damaged and undamaged building structures do not meet the criteria of modern seismic design codes. Such structures need to be seismically enhanced. The main objective of this paper is to propose and validate the ...

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• Earthquake Vibration Control of Structures using Tuned Liquid Dampers: Experimental Studies 

  Banerji, Pradipta؛ Samanta, Avik؛ Chavan, Sachin A. (Islamic Azad University, South Tehran Branch, 2010-12-01)

  Earlier studies have shown conclusively that a Tuned Liquid Damper (TLD) is effective for controlling vibrations in structures subjected to narrow-banded wind excitations. A recent numerical study has shown that if the ...

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• Ductility-based Seismic Design Of Steel Plate Shear Walls: Practical Application Using Standard Sections 

  Gupta, Mayank K.؛ Kharmale, Swapnil B.؛ Ghosh, Siddhartha (Islamic Azad University, South Tehran Branch, 2009-12-01)

  Over the past decade of extensive research works, the thin un-stiffened steel plate shear wall(SPSW) has now emerged as a promising lateral load resisting system. Considering thedemand of performance-based ...

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• Integrated User-friendly Environment For A 2-D Nonlinear Analysis Program 

  Rodrigues, Hugo؛ Romão, Xavier؛ Costa, Aníbal؛ Varum, Humberto (Islamic Azad University, South Tehran Branch, 2009-12-01)

  Nonlinear analyses allow simulating, in a more realistic way, the behaviour of structuressubjected to several types of complex loading conditions such as earthquakes. However, it isrecognized that these analyses ...

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• Qualitative and Quantitative Seismic Evaluation of Reinforced Concrete Structures in Petrochemical Plant 

  Nateghi-A, Fariborz؛ Rezaei-T, Ali (Islamic Azad University, South Tehran Branch, 2010-12-01)

  In this paper the seismic evaluation of reinforced concrete structures in petrochemical facilities under sever conditions such as high pressure, high temperature and corrosive environment is studied. These structures were ...

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• Modal Identification Of A Tested Steel Frame Using Linear Arx Model Structure 

  Kaya, Yavuz (Islamic Azad University, South Tehran Branch, 2009-07-01)

  This study contains the identification of modal dynamic properties of a 3-story large-scale steel test frame structure through shaking table measurements. Shaking table test is carried out to estimate the modal properties ...

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• Analysis Of Reinforced Concrete Hollow Piers Behavior: Benefits Of Frp Confinement 

  Lignola, Gian Piero؛ Prota, Andrea؛ Manfredi, Gaetano؛ Cosenza, Edoardo (Islamic Azad University, South Tehran Branch, 2009-07-01)

  Reliable stress-strain behavior of concrete is necessary particularly when a member is subjected to combine bending and axial load and confinement effects should be accounted for. A unified theory for confinement of circular ...

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