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مقالات علمی سال ۱۳۸۸

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

۳,۴۷۶ مقاله پیدا شد.

مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۰۸ مشاهده

Filamentous Bacterial Community in Activated Sludge Process of Sewage treatment plant in Dubai, United Arab Emirates

In this study, filamentous bacterial community implicated in bulking and foaming problems in the sewage treatment plant in Dubai was characterized by…

NocardioformsActivated sludgeBulking
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۶۵ مشاهده

Failure modeling of brittle materials in dynamic loading via the Gurson plastic – damage model

In this paper a method is developed to model the RC concrete behavior with an emphasis on tension and compression damage, micro crack losure effect i…

damageplasticitydynamic
مقاله کنفرانسی سال ۱۳۸۸ ۲,۴۱۲ مشاهده

Extracting Modal Properties of an Anti Vibration Table by Ambient Vibrations, Hammer Impulse and Numerical Solutions

To prepare a clean of vibration environment for microelectronic microscopes an anti vibration table is built Mode shapes of the table are extracted b…

Vibration Isolation Hammer Impulse Ambient Vibrations Modal Analysis
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۴۵ مشاهده

Exact supercritical vibration of traveling orthotropic plates using dynamic stiffness method

Axially traveling plates are used in modeling the transverse vibration of a variety of physical systems, e g band saw blades, power transmission belt…

Dynamic Stiffness MethodAxially movingOrthotropic plate
مقاله کنفرانسی سال ۱۳۸۸ ۱,۹۷۱ مشاهده

Evaluation of undrained performance of fibre reinforced Silty sand soil

Wide range of reinforcements used in improvement of soil performance leads to attention to the new accessible resource In this case, natural resource…

Oil palm fibreReinforcementPore water pressure
مقاله کنفرانسی سال ۱۳۸۸ ۲,۵۰۰ مشاهده

Evaluation of Mathematical Models Used as Aggregate Crash Prediction Models

Aggregate crash prediction models ACPM attempt to relate the independent variables of interest aggregated at the zonal level to accidents using a mat…

Mathematical modelsAggregate crash predictionPoisson
مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۶۷ مشاهده

Evaluation of Compression Member Buckling and Post-Buckling Behavior Using Artificial Neural Network

There are various ways to investigate the buckling phenomenon in a steel compression member Among these methods experimental formulas, semi empirical…

BucklingPost-Bucklingcolumn
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۲۵ مشاهده

Evaluation Site Effects On Ground Motion By Elasto-Plastic Model and Numerical Approach

Seismic response of a site depends on geological and specifically on geotechnical properties of the soil In this paper, nonlinear dynamic analyses of…

Local site effectequivalent linear analysisnonlinear analysis
مقاله کنفرانسی سال ۱۳۸۸ ۲,۵۲۲ مشاهده

Estimation of concrete compressive strength using advanced multivariate statistical techniques

This article deals with use of advanced multivariate statistical techniques for prediction of compressive strength of concrete using ingredients prop…

ConcreteCompressive strengthEstimation
مقاله کنفرانسی سال ۱۳۸۸ ۲,۲۹۸ مشاهده

Energy savings effectiveness of pretimed traffic control compared to actuated at signalized intersection

Fossil fuel consumption by vehicle is an issue of economical , environmental , and political concern Reducing excessive energy consumption at isolate…

Traffic SignalsNETSIM SimulationFuel Consumption
مقاله کنفرانسی سال ۱۳۸۸ ۲,۲۹۷ مشاهده

Energy Ductility of HSC Heavily Steel Reinforced Members under Bending

With the advent of advanced mineral and chemical admixtures, the strength level of concrete has been raised dramatically and high strength concrete H…

HSCPlastic rotationKeywords Displacement and energy ductility
مقاله کنفرانسی سال ۱۳۸۸ ۲,۷۱۷ مشاهده

Effects of Specimen Type and Dimensions on Compressive Strength of Self Compacting Concrete

Inadequate homogeneity of the cast concrete due to poor compaction or segregation may dramatically lower the performance of mature concrete in situ T…

Self compacting concreteCompressive strengthSize effect
مقاله کنفرانسی سال ۱۳۸۸ ۱,۸۸۲ مشاهده

Effects of Lime Cement Columns in Tropical Peat of East Coast of Peninsular Malaysia

This paper presents the effects of lime cement columns in terms of compressibility and shear strength in tropical peat This paper also discussed the…

CompressibilityKeywords PeatLime Cement Column
مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۵۱ مشاهده

Effect of Variable Fluid Damper on the Response of Sliding Base Isolation System

To mitigate base displacement in seismic isolated structures under severe earthquake excitations, variable fluid damper VFD has been developed at Toh…

Seismic ResponseSliding Base IsolationDamping
مقاله کنفرانسی سال ۱۳۸۸ ۲,۸۵۵ مشاهده

Effect of Stiffening in Behavior of Steel Plate Shear Walls

One of the most effective ways to improve the behavior of unstiffened steel plate shear walls SPSW is stiffening of steel plates Utilizing stiffeners…

StiffenerPinchingHysteresis Loop
مقاله کنفرانسی سال ۱۳۸۸ ۲,۶۲۱ مشاهده

Effect of Polymer Modifiers on Stone Matrix Asphalt Rutting

The purpose of this study is to evaluate performance of control and modified stone matrix asphalt mixtures Conventional and four modified mixtures we…

Stone matrix asphaltModified bitumenIndirect tensile strength
مقاله کنفرانسی سال ۱۳۸۸ ۳,۰۶۵ مشاهده

Effect of Near- Field Ground Motions on the Stability of Embankment Dams

In the past two decades, near field problems became an important topic for civil engineers The two characteristics of near field ground motions, i e…

near-fieldfar-fieldembankment dams
مقاله کنفرانسی سال ۱۳۸۸ ۲,۸۲۴ مشاهده

Effect of Modeling Floor Diaphragm Flexural Rigidity on Seismic Design of Steel Buildings with RC Shear

Inaccurate modeling of flexural rigidity of floor diaphragms leads to incorrect estimation of building seismic response and uneconomical or unsafe se…

Deck DiaphragmSlab DiaphragmSeismic Design
مقاله کنفرانسی سال ۱۳۸۸ ۲,۵۹۸ مشاهده

Effect of Gradation on HMA Dynamic Creep & Marshall Stability, Using Bailey Method

The link between aggregate gradation and asphalt mixture performance has been recognized since asphalt mixtures were first used Almost all of HMA pro…

HMAMarshall StabilityGradation
مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۰۷ مشاهده

Effect of Fibers on Shear Strength of Clayey Soil

Soft soils are well known for their low strength and high compressibility Several techniques such as reinforcement are usually used for increasing th…

shear strengthclayey soilfiber
مقاله کنفرانسی سال ۱۳۸۸ ۲,۰۰۹ مشاهده

EVALUATING SCALE EFFECTS ON EXPERIMENTAL STUDIES OF NONLINEAR UNSTEADY FLOW REGIMES

Rubble mound breakwaters are frequently constructed with a core of quarry run materials; whose geotechnical parameters do affect the structure’s armo…

Scale effectOscillatory unsteady flowRubble mound breakwaters
مقاله کنفرانسی سال ۱۳۸۸ ۲,۵۸۷ مشاهده

Dynamic Analysis of Masjed Soleiman Embankment Dam Using Recorded Earthquake Signals and TFD Method

Dynamic analysis of embankment dam using recorded accelerograms on dam body is a powerful tool for designers and researchers In this research, record…

Embankment damdynamic analysisTFD method.
مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۰۵ مشاهده

Ductility Investigation of RHSC Continuous Beams strengthened with CFRP Sheets

Externally bonding fiber reinforced polymer FRP sheets epoxy resin is an effective technique for strengthening and repairing reinforced concrete RC b…

HSCcontinuous BeamStrengthening
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۷۸ مشاهده

Discrete element simulations of assemblies of two-dimensional irregularly-shaped particles and effects of particles shape on mechanical behavior

Several researchers have investigated the effects of grain’s shape on the physical behavior of granular materials The results of researches show that…

Irregular grain shapeDiscrete element simulationNumerical modeling