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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 ۱,۸۰۷ مشاهده

Evaluation of bearing capacity of shallow foundations by using dynamic soil property

Soil Dynamic properties such as shear wave velocity as a single field index, represents the real soil conditions much more reliable than other shear…

shear wave velocitybearing capacityshallow foundation
مقاله کنفرانسی سال ۱۳۹۱ ۲,۵۳۶ مشاهده

Evaluation of Seismic Behavior in Exoskeleton Structural System for Reinforced Concrete Tall Buildings

Structural systems for tall buildings have undergone an evolution throughout the previous decades Nowadays, the new structural system used for reinfo…

ExoskeletonReinforced concreteSeismic behavior
مقاله کنفرانسی سال ۱۳۹۱ ۲,۳۱۶ مشاهده

Evaluation of Response Modification Factors of Moment Resisting Steel Frames by Different Nonlinear Analyses

Most recent seismic codes include response modification factor in the definition of equivalent lateral forces to reduce the linear elastic design spe…

Response modification factorEndurance time analysisSteel moment-resisting frame
مقاله کنفرانسی سال ۱۳۹۱ ۱,۲۹۶ مشاهده

Evaluation of Reduction Factor of Precast Concrete Moment Resisting Frames and Dual Systems with Precast Connections

Reduction factor is an important factor in linear analysis that indicates inelastic operations of structures such as resistance and ductility in nonl…

precast dual systemsemi rigid connectionreduction factor
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۲۴ مشاهده

Evaluation of Progressive Collapse Potential of Steel Moment Frames in Different Seismic Zones of Iran

The progressive collapse resisting capacity of the three story steel moment frames designed for moderate and very high level of seismic zones of Iran…

steel moment framesalternate path methodprogressive collapse
مقاله کنفرانسی سال ۱۳۹۱ ۱,۲۷۵ مشاهده

Evaluation of Kinematic Bending Moment of Piles subjected to Seismic Motions

Dynamic response of pile foundations is a very complex phenomenon consisting of kinematic and inertial interaction among soil, pile and superstructur…

site responsekinematic bending momentinterface
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۷۵ مشاهده

Evaluation Numerical Modeling of SoilBags in Earth Structures

Using soil reinforcement technology by utilizing geosynthetic products has been considered worldwide due to its durability, stability, performance &…

Numerical evaluationSoilbagVertical loads
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۲۵ مشاهده

Evaluating the Sensitivity of Dynamic Transient Solution of Concrete Bridge Piers in Contact with Surrounding Water to Time Step Values via ANSYS Finite Element Software

Sensitivity of developed finite element models with respect to time step needs to be investigated for accurate transient analyses In this paper, sens…

Fluid-structure interactionTime-step sensitivity analysesDisplacement-control method
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۸۶ مشاهده

Evaluating The Use of Flow Deflectors for Preventing Stilling Basin Abrasion Damage

To control the stability of the basin, it is important to decrease the abrasion Any abrasion in the basin will threat the stability of the dam and as…

DeflectorAbrasionStilling Basin
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۱۸ مشاهده

Evaluating Modal Participation Factor of RC Frames

One of the dynamic characteristics of a structure is modal participation factor, which can be an explanatory of the ratio of roof displacement to the…

Modal participation factorRC frameNonlinear time history analysis
مقاله کنفرانسی سال ۱۳۹۱ ۲,۶۹۳ مشاهده

Estimation of Snow Water Equivalent using SSM/I passive microwave data in Tehran

Space borne passive microwave observation is the most appropriate option for SWE estimation The study area includes several sub basins located in Teh…

microwaveSWEANFIS
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۹۹ مشاهده

Estimation of Site Effect in Zagros on the Basis of Horizontal-to-Vertical Spectral Ratio

The consequences of recent earthquakes show the importance of site conditions This means that, as well as source and path effects, the recorded data…

H/V ratiowavelet de-noisingKappa factor
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۵۵ مشاهده

Estimation of Reynolds shear stress using 3D velocity fluctuation in Vortex Settling Basin

This paper presents the results of an experimental investigation on Reynolds shear stress using threedimensional velocity fluctuation in flow field o…

Reynolds stressVortex Settling Basin3D Velocity Distribution
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۲۸ مشاهده

Estimation of Deflection Amplification Factor for Concrete Structures with Capacity Spectrum Method

One of the important aims in suitable seismic design of structures is estimating non liners real lateral displacement induced by severe earthquake In…

Deflection amplification factorEarthquakeCapacity spectrum
مقاله کنفرانسی سال ۱۳۹۱ ۳,۷۱۷ مشاهده

Estimating Internal Friction Angle of Soil Using Standard Penetration Test Data (A Case Study in Babolsar

One of the important parameters considered as a typical characteristic for reconnaissance of granular soils is the internal friction angle Nowadays…

Internal friction angleEmpirical correlationsStandard penetration test SPT
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۳۰ مشاهده

Estimating Flow Properties over Free Overfall Using Conformal Mapping

In this paper, flow over a free overfall in a rectangular channel has been simulated based on the potential flow theory and Schwarz Christoffel trans…

potential flowconformal mappingFree overfall
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۹۲ مشاهده

Estimating Environmental Flow for Millhaven Creek, Canada

As water resources around the world become under increasing pressure, allocating water between abstractors and the environment needs to be based prog…

nvironmental FlowDesktop Reserve ModelFDC shifting Method
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۱۱ مشاهده

Estimating Effective Fundamental Period of RC Frames with Steel Eccentric Bracing according to Initial Vibration Period

Most of seismic codes propose an experimental equation, distributed for different structural systems, to present fundamental period To make sure for…

VibrationFundamental periodReflection factor
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۹۰ مشاهده

Error Estimation of Infinite Element in Geotechnical Problems

In most seismic and geotechnical problems, for analysis of a region, at least one direction of the region extends to infinite In usual methods of sta…

Infinite elementDecay functionInfinite domain Numerical error
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۰۰ مشاهده

Equivalent Earthquake Loads for Some Families of Barrel Vaults Parabolic Shapes

Double layer barrel vaults parabolic shape, are a group of „Lattice space structures‟ that are one of the most common choices for covering large area…

Dynamic characteristicsNonlinear analysisBehavior factor
مقاله کنفرانسی سال ۱۳۹۱ ۲,۶۱۲ مشاهده

Environmental characterization of stabilized/solidified petrochemincinerator bottom ash with cement, silica fume and Nano-silica

Incineration followed by stabilization/solidification is identified as the demonstrated available treatment technology in the USA, according to Resou…

stabilization/solidificationIncineration Hazardous wasteBottom ash
مقاله کنفرانسی سال ۱۳۹۱ ۲,۱۱۳ مشاهده

Enhancement of Lateral Performance of K-braces in Light Steel Frames

Nowadays, the application of cold formed steel members is well established in light steel framing structures around the world One of the economical m…

Cold-formed steelLight steel frameFinite Element method
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۸۱ مشاهده

Efficient Multi-Objective Ant Colony Optimization

Most optimization problems in water resources management require tradeoffs between conflicting objectives Multi objective optimization is a growing r…

Multi-objective optimizationAnt colony optimizationfast convergence
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۴۸ مشاهده

Effects of material properties and boundary conditions of discontinuous foundationonthe seismicperformance of archdams

This paper details the influence of material properties change of discontinuous rock foundation on the seismic behavior of arch dams In this regard…

Concrete arch damNonlinear dynamic analysisBoundary conditions