• 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 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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• 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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• 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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• 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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• 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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• 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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• 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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• 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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• 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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• 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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• 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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• 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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• 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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• Hysteretic Dissipators Made Of Aluminium And Steel: Optimal Design And Preliminary Characterization Tests 

  Diaferio, Mariella؛ Foti, Dora؛ Nobile, Riccardo (Islamic Azad University, South Tehran Branch, 2009-07-01)

  In this paper the optimal design of a dissipator made of aluminium and steel and principallysubjected to shear forces and the preliminary results of the characterization tests are described.The device has been ...

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• Analysis On Response Of Dynamic Systems To Pulse Sequences Excitation 

  Shuang, Li؛ Changhai, Zhai؛ Lili, Xie (Islamic Azad University, South Tehran Branch, 2009-07-01)

  Near-fault ground motions with long-period pulses can place severe demands on structures near an active fault. These pulse-type ground motions can be represented by pulse sequences with simple shapes. Half-sinusoidal pulse ...

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• Dual-layer Multiple Tuned Mass Dampers for Vibration Control of Structures 

  Bandivadekar, Tanuja P.؛ Jangid, Radhey S. (Islamic Azad University, South Tehran Branch, 2010-12-01)

  The performance of dual-layer multiple tuned mass dampers (DL-MTMD) with uniformly distributed natural frequencies is investigated. The DL-MTMD consists of one large tuned mass damper (L-TMD) and an arbitrary number of ...

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• An Analytical Solution for Cylindrical Concrete Tank on Deformable Soil 

  Vichare, Shirish؛ Inamdar, Mandar M. (Islamic Azad University, South Tehran Branch, 2010-07-01)

  Cylindrical concrete tanks are commonly used in wastewater treatment plants. These are usually clarifier tanks. Design codes of practice provide methods to calculate design forces in the wall and raft of such tanks. These ...

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• An Efficient Auto Redundant Technique for Analysis of Single Layer Grid with Curved Mambers 

  Hansora, Ashwin G.؛ Patel, Mangubhai N.؛ Mistry, Bharatbhai B. (Islamic Azad University, South Tehran Branch, 2010-07-01)

  This paper presents an Auto Redundant Technique for analysis of grid with curved members.This technique is based on the force method, but in the technique choice of the redundant iscompletely eliminated. The ...

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