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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 ۱,۴۵۸ مشاهده

Effects of Using Silica Fume (SF) in Improving Permeability Properties of Self-Compacting Concrete (SCC

Self compacting concrete SCC is a highly workable concrete characterized by extreme fluidity that can flow through heavy reinforced and complex struc…

Silica FumepermeabilitySelf-Compacting Concrete (SCC)
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۳۶ مشاهده

Effects of Soil-Structure Interaction on Response of SDOF System Subjected to Near-Fault Earthquake with Fling Step Feature

The effect of soil structure interaction SSI has often been neglected in seismic design and retrofit of structures in the past Soil structure interac…

Soil-structure interactionSDOF systemNear-fault earthquake records
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۰۹ مشاهده

Effects of Partial Fixity of Column Base Connection on Overall Response of Steel Structures

Fixity of column base connection plays a major role in overall behavior of steel structures Although it is usually idealized as fully pinned or fully…

Column Base ConnectionSteel FrameFixity
مقاله کنفرانسی سال ۱۳۹۱ ۱,۳۶۹ مشاهده

Effects of Nails Skew Angle on Soilnailing Systems Performance

Nowadays, rapid development on engineering science and construction,increase the requirement of excavation and soil structures In this way,modern tec…

SoilnailingNai Skew angleNumerical methods
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۸۰ مشاهده

Effect of the girder-supported steel plate on SPSW’s seismic behavior

The conventional type of Steel Plate Shear Wall SPSW consists of a steel plate which connected to the surrounding frame The separation of steel plate…

Girder-supported panelsSurrounding frameSeismic behavior
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۳۱ مشاهده

Effect of the Width of Dam Crest on Seismic Characteristic of Critical Slice Surface on Embankment Dams

Researchers have been investigated methods to precise earthquake effect on behavior of embankment dams in 60 years ago Researchers have been evaluate…

Embankment DamsWidth of CrestMasjed Soleiman Dam
مقاله کنفرانسی سال ۱۳۹۱ ۲,۵۸۸ مشاهده

Effect of the Seepage Flow on the Bearing Capacity of Strip Foundations by the Method of Stress Characteristics

Groundwater flow can introduce an unbalanced force which reduces the bearing capacity of the foundation The hydraulic gradient can exceed some critic…

Computational ModelingStress CharacteristicsFoundations
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۸۵ مشاهده

Effect of the Height of Crack in the Slab of CFRD’s in Water Pressure Distribution in the Dam Body

Seepage and stability analyses of two cross sections of concrete face rock fill dams , homogeneous and zoned embankments, are investigated in the pre…

SeepageCrackNumerical Modeling
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۱۱ مشاهده

Effect of mix proportion on compressive strength of RPC

Reactive powder concrete RPC is a new generation concrete that it was developed through microstructure enhancement techniques for cementitious materi…

RPCcompressive strength
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۶۴ مشاهده

Effect of copper slag on mechanical properties of self-compacting concrete

The building industry is turning increasingly to the use of self compacting concrete SCC in order to improve many aspects of building construction as…

Copper slagSelf-compacting concreteSilica fume
مقاله کنفرانسی سال ۱۳۹۱ ۲,۴۳۵ مشاهده

Effect of contribution of post -tensioning tendons on the nonlinear response of precast hybrid frames

hybrid frames contain precast concrete elements beams and columns that are connected byunbonded post tensioning steel and partially debonded mild ste…

precast concretehybrid moment frames
مقاله کنفرانسی سال ۱۳۹۱ ۱,۳۳۶ مشاهده

Effect of base-rock characteristics on non-linear seismic respons of concrete gravity dams including dam-foundation interaction

Dam interaction with foundation is important subject in analys of concrete gravity dams , so always needed to new methods for improved and examined a…

Dam-foundation interactionConcrete gravity damLagrangian approach
مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۹۲ مشاهده

Effect of Various Nanoclay on the Reological Behavior of Bitumen

In this research bitumen has been modified with adding different nanoclay by melt blending with montmorillonite nanoclay MN , expanded vermiculite na…

nanoclaynanocompositesaging
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۵۹ مشاهده

Effect of Size and Amount of Glass Aggregate on Alkali Silica Reaction

In this study, the potential alkali reactivity of glass aggregate was investigated in accordance with RILEM A TC 106 2 standard For this purpose two…

RILEM A.TC 106-2Glass aggregateAlkali-silica-reaction
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۷۴ مشاهده

Effect of LDPE in Rutting Characteristics of Asphalt Concrete mixtures

In recent years, different kinds of polymers such as SBS, SBR, Sasobit, etc have been used to modify the properties of asphalt binders These additive…

low-density polyethylene (LDPE)modified-bitumenHMA
مقاله کنفرانسی سال ۱۳۹۱ ۱,۱۵۳ مشاهده

Effect of Interface Condition on Lining Structural Performance in Tunnels Support

With respect to the frictional performance of the 3D panels studied in this research, the tunnel wall friction plays an important role in distributio…

Interface conditionTangential springFrictional performance
مقاله کنفرانسی سال ۱۳۹۱ ۱,۶۶۳ مشاهده

Effect of Freeze-Thaw Cycles on the Hydraulic Conductivity of a Compacted Clayey Soil from Nazlou Region of Urmia City, Iran, and on a Geosynthetic Clay Liner

The effect of freeze thaw cycles on the hydraulic conductivity HC of compacted clay liner CCL and geosynthetic clay liners GCLs in water retaining st…

Freeze-thaw cyclesHydraulic conductivityCompacted clay
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۳۹ مشاهده

Effect of Cell Morphology on the Macroscopic Mechanical Behavior of Three-Dimensional Open-Cell Foams

Solid foams are novel materials that have found numerous applications in the construction of light, stiff structures during the past few decades At t…

HomogenizationConstitutive modelingOpen-cell foams
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۹۵ مشاهده

Earthquake-Resistant Bridges of the Future with Advanced Materials

This paper presents the highlights of several studies on seismic performance of bridges The results showed that superelastic shape memory alloys, fib…

Pre-fabricated columnsSegmental columnsShape memory alloys
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۴۰ مشاهده

ESTIMATING STABLE WIDTH OF ALLUVIAL RIVERS USING ANFIS MODEL

An intelligent method based on adaptive neuro fuzzy inference system ANFIS for identifying stable width of alluvial channels is presented Many equati…

stable widthANFIS modelregime width
مقاله کنفرانسی سال ۱۳۹۱ ۲,۶۴۰ مشاهده

ENDURANCE TIME METHOD IN THE LINEAR SEISMIC ANALYSIS OF HYPERBOLIC COOLING TOWER SHELL STRUCTURES.

Endurance Time ET method is a response history based analysis method that can predict seismic responses of structures at different excitation levels…

shell structurestime history analysisEndurance time method
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۴۷ مشاهده

EFFECT of mid connection detail on the behavior of offcentre bracing system OBS

an offcentre bracing system that is used as a lateral load resisting system consists basically of the non straight tension strut with an eccentricity…

offcentre bracing systemfinite elementmid-connection
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۲۳ مشاهده

ECOnomical optimization of water distribution networks based on resilience index and free chlorine residual

Urban water distribution network WDN is one of the most important means which guarantees supply of water demands to different users with appropriate…

optimizationresilience indexfree chlorine residual
مقاله کنفرانسی سال ۱۳۹۱ ۲,۳۱۵ مشاهده

E-Learning Content Development based on Emo-Inter Instructional Model for Design of Bridges according to LRFD Method

New technologies have created appropriate facilities for teaching and learning In this paper, emotional and interactional Emo Inter model for e learn…

AASHTO LRFDE-Content DevelopmentBridge Design Course