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مقالات علمی سال ۱۳۹۱

مقالات را بر اساس عنوان، کد سند یا سال انتشار پیدا کنید و به نویسندگان و رویداد علمی مرتبط برسید.

۳,۰۱۷ مقاله پیدا شد.

مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۹۵ مشاهده

Check The Hysteretic Response Of Yielding Shear Panel Device For Passive Energy Dissipation

The paper describes a modeling technique of the hysteretic response of yielding shear panel device YSPD This device is used for seismic energy dissip…

structural responseSeismic DesignHysteretic Model
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۱۴ مشاهده

Characterization of Mixed-Mode Fracture of the Mortar by using SCB Specimens: Experimental and Numerical Studies

A broad experimental and analytical effort using fracture mechanics as the prime tool was conducted to investigate and improve the understanding of t…

Fracture mechanicsMortarMixed mode
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۲۵ مشاهده

Cash flow forecasting in projects using fuzzy approach

In consideration to the intense competitive environment, especially in recent years, because of financial problems and unsuitable economic situations…

forecastingcash flowfuzzy approach
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۰۲ مشاهده

COMparing the flow pattern around the oval shape pier with and without slot using fluent software

Int the present paper a 3 dimensional simulation of the stream zone of the bridge pier surrounding was performed with the fluent software for the ova…

fluent softwareslotoval shape pier
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۵۴ مشاهده

COLLAPse potential and variation of the water content in undisturbed loessial samples under K0 condition and controlled matric suction

Catastrophic failures in RESIdential building foundations due to the wetting collapse is a very serous problem in loessial arid zones in this paper t…

water contentundisturbed samplesunsaturated soil
مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۲۳ مشاهده

Buckling analysis of stiffened stepped plates with B spline finite strip method

The elastic buckling analysis of unstiffened and stiffened plates with a step changing in thickness at arbitrary locations is presented This analysis…

B3Splinemultiple knotStepped plate StiffenED plate
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۳۹ مشاهده

Buckling Prevented Variable Stiffness Knee Braced Steel Frame

A new configuration has been suggested for knee braced steel frames to avoid buckling of diagonal member High performance of KBF is based on the plas…

BucklingVariable Stiffness AnchorIncremental Dynamic Analysis
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۶۶ مشاهده

Boundary conditions detection of beam-like structural elements using a test mass

A boundary conditions BCs identification technique in uniform beams, using a test mass, is developed in this research The proposed method is based on…

System identificationBCs detectionsFinite element method
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۴۹ مشاهده

Block Shear Rotational Stiffness Effects on Coped Steel Beams Welded Connection Failure

One of the most important failure modes over coped steel beams by means of double clip angle connection detail is block shear of the beam’s web Exper…

Block shearCoped beamsFinite element analysis
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۶۸ مشاهده

Big Bang-Big Crunch algorithm based optimum design of steel frames

In this paper, the Big Bang Big Crunch algorithm is utilized for the optimum design of steel frames following the AISC LRFD specification The BB BC o…

AISC-LRFDOptimum structural designRigid steel frames
مقاله کنفرانسی سال ۱۳۹۱ ۲,۴۰۴ مشاهده

Behavior analysis of Unstiffened and Stiffened TubularJoints of Fixed Offshore

Welded tubular structures are widely used in offshore platforms There is a high probability that these structures wreck down when subjected to cyclic…

Offshore platformsFinite elementsTubular joints internally ring stiffener
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۳۹ مشاهده

Behavior Analysis of Pile Supported Embankments

Construction of embankments on soft or liquefiable ground is a common problem in road construction An option gaining in popularity is to build the em…

Pile supported embankmentThree-Dimensional FEM AnalysisGeosynthetics
مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۶۲ مشاهده

Bearing Capacity of Spread Footings Based on Mohr-Coulomb Yield Criterion

bearing capacity is the ability ofsoil to carry the pressure placed on the soil from any enginnered structure This paper presents the results of a se…

numerical analysisbearing capacitymohr-coulomb
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۹۸ مشاهده

Axissymmetric circular shape opening in transversely isotropic half-space

A half space containing transversely isotropic material with a circular shape opening in it is considered in such a way the surfaces of the opening t…

half-spacefault analysisTransversely isotropic
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۹۰ مشاهده

Assessment of seismic behavior of steel structure retrofitted with TADAS device based on non-linear dynamic analysis-

The TADAS device is in the metallic yielding dampers class and because of its extraordinary flexibility,increases damping of structure and caused to…

TADAS deviceMetallic dampersSteel structure
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۹۱ مشاهده

Assessment of seismic behavior of buildings retrofitted with self-centering dampers based on non-linear dynamic analysis

In traditional methods of seismic design, structures have been designed on the basis that members remain elastic under weak earthquake while they exc…

Self-centering damperSelf centering damper –Performance base design dynamic non linear analysis
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۹۸ مشاهده

Assessment of seismic behavior of RC buildings retrofitted with steel knee bracing based on non-linear dynamic analysis

In this study, the seismic reliability of a short rise reinforced concrete RC building retrofitted using knee steel braces is investigated through no…

knee bracing frameRC buildingsnon-linear dynamic analysis
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۷۵ مشاهده

Assessment of climate change impacts on Agricultural water demands

Long term planning of water resources strongly depends on climate change and its effects on water resources and consumptions In the past, infrastruct…

AGWATLARS-WGClimate change
مقاله کنفرانسی سال ۱۳۹۱ ۲,۷۶۲ مشاهده

Assessment of Parameters Effecting Stability of Secant piles wall Using Plaxis 3D

Secant piles wall is one of the suitable methods of wall construction, when deep vertical excavations are involved; is cast in situ before excavation…

Secant pilesmodel geometrylateral rigidity factor
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۴۶ مشاهده

Assessment of Operability and Maintainability Success Factors in Provision of Extended Constructability Principles

The concept of constructability integrates individual construction functions and experiences through suitable and timely inputs into early stages of…

ConstructabilityOperabilityMaintainability
مقاله کنفرانسی سال ۱۳۹۱ ۲,۲۸۵ مشاهده

Assessment of Compaction Temperatures on Hot Mix Asphalt (HMA) Properties

Hot Mix Asphalt HMA is one of the most commonest constructed asphalts in Iran and the quality control of constructed roads with HMA have been always…

HMACompaction TemperatureVolumetric Parameters
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۷۰ مشاهده

Approximation Frequency of Dominant Modes in Double Layer Grids by Using Fuzzy Logic and Genetic Programming

Dynamic analysis of space structures is very complex and time consuming due to high degrees of freedom and the large number of elements In convention…

Fuzzy LogicDouble Layer GridsDominant Modes
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۶۰ مشاهده

Applying Combined Origin -Destination & Route Choices Model to Tehran

The aim of this paper was to apply the Combined Origin Destination and Route Choice Model CODRCM to the urban transportation network of metropolis of…

TehranEquivalent Minimization ProblemTransport Combined Model
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۷۲ مشاهده

Applying Artificial Neural Network to Analysis and Prediction of the Flow Field in Open Channel with Bend

In this paper the flow field in a 90o bend is analyzed numerically and also predicted using Artificial Neural Networks ANN In this study, first of al…

Numerical studyBendVelocity field