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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 ۲,۵۵۲ مشاهده

Performance of Double I-beams to Box Columns Connections with Reduced Beam Sections

After the 1994 Northridge and 1995 Kobe earthquakes, a wide variety of beam to column connection concepts have been developed for use in steel moment…

ConnectionSteel Moment FramesReduced Beam Section
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۲۲ مشاهده

Pavement Subsurface Drainage Design Procedure for Iran

Providing adequate drainage to a pavement system is an important design consideration to prevent premature failure due to water related problems such…

subsurface drainageFreezing indexPermeability coefficient
مقاله کنفرانسی سال ۱۳۸۸ ۱,۹۸۷ مشاهده

Parking Demand Model for CBD Area

Parking facilities are an important component of the transport system Estimation of Parking Generation of a proposed development is essential to the…

Discrete Choice ModelITE Parking GenerationMultinomial Logit Model
مقاله کنفرانسی سال ۱۳۸۸ ۳,۴۸۵ مشاهده

PSO استفاده از الگوریتم جهت بهینه سازی اقتصادی سیستم انحراف آب در ساخت سد

در این مقاله جهت سازماندهی یک چارچوب ریاضی مناسب برای بهینه سازی اقتصادی سیستم انحرافی شامل تونل و فرازبند در سدها به مدلسازی یک تابع هزینه کلی می پر…

بهینه سازیتابع هزینهتونل انحرافی
مقاله کنفرانسی سال ۱۳۸۸ ۳,۰۱۳ مشاهده

Optimum Number of Rain-Gauges Using Factor Analysis

Any hydrological investigation requires enough information about precipitation Sufficient and reliable rainfall information requires rain gauges with…

Network designFactor AnalysisVariogram
مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۷۴ مشاهده

Optimization of Concrete Mix Design Under the Aggressive Environment With Gmdh-type Neural Networks

One of important causes for failure of concrete structures particular in Persian Gulf region is diffusion of chloride into concrete Prediction of onc…

diffusionConcreteNeural network
مقاله کنفرانسی سال ۱۳۸۸ ۲,۴۴۸ مشاهده

Optimal Crop Planning and Monthly Water Demand Forecasting Based on Consideration of Climate Conditions by Fuzzy Inference Systems

A logical and correct prediction of water demands is an important parameter for allocating of water resources The water demands are depended on cropp…

Cropping AreaWater DemandClimate Conditions
مقاله کنفرانسی سال ۱۳۸۸ ۱,۴۹۷ مشاهده

OPTIMIZATION OF PRESRESSED CONCRETE FLANGED-SECTION BEAMS

A general approach to the single objective optimum SOO design of simply supported prestressed concrete flanged section beams PCB is presented in this…

flanged-sectionprestressed concrete.Optimization
مقاله کنفرانسی سال ۱۳۸۸ ۲,۲۰۳ مشاهده

Numerical simulation of flow around submerged vane

A three dimensional model FLUENT is used to simulate the flow pattern around a submerged vane with different angles of attack placed in straight rect…

RSMSubmerged vaneSecondary flow
مقاله کنفرانسی سال ۱۳۸۸ ۲,۲۶۶ مشاهده

Numerical Solution of 2-D Burgers’ Equations Using RBF-Based Mesh-free Method

An important feature of traditional numerical methods in computational fluid dynamic problems is that a corresponding mesh is required as a computati…

Numerical computationsMesh-free methodsRBF interpolation technique
مقاله کنفرانسی سال ۱۳۸۸ ۲,۸۹۶ مشاهده

Numerical Bearing Capacity Prediction of Unsaturated Soils by the Method of Stress Characteristics

Bearing capacity is often calculated for saturated state of the soil, due to its simple and conservative results However, this assumption results in…

Bearing CapacityFoundationEffective Stress
مقاله کنفرانسی سال ۱۳۸۸ ۳,۱۸۳ مشاهده

Nonlinear Finite Element Analysis of Historical Masonry Building of Imam Khomeini (Sultani) Mosque in Semnan

Historical buildings are an integral part of the built heritage to be preserved, and their safety is a primary requirement in seismic areas Collapse…

Semnan.Imam Khomeini MosqueNonlinear analysis
مقاله کنفرانسی سال ۱۳۸۸ ۲,۳۷۴ مشاهده

Nonlinear Dynamic Analysis of Semi-Rigid Frames with Bolted Angle Connections

In this paper, a parametric study was conducted to investigate the moment rotation behavior of top and seat angle connections using nonlinear finite…

angle connectionFinite element modelingsemi-rigid frame
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۳۷ مشاهده

New Method For Mitigation of Concrete Bridge Piers

To control the residual displacements of concrete structures under severe earthquakes, there are a few efficient methods All of these methods have be…

Residual DisplacementSelf-Centering TendencyHigh Strength Rebar
مقاله کنفرانسی سال ۱۳۸۸ ۲,۰۶۰ مشاهده

Necessity of Coupling Finite Element and Boundary Element Methods in Modeling Infinite Soil Mass

by coupling the finite element FE and the boundary element BE methods, their advantages can be assimilated and their deficiencies can be reduced Base…

Finite ElementBoundary ElementIterative Coupling
مقاله کنفرانسی سال ۱۳۸۸ ۱,۹۴۰ مشاهده

NUMERICAL STUDIES ON RESIDUAL SEISMIC CAPACITY OF RC FRAMES WITH UNREINFORCED BLOCK WALL BASED ON THEIR CRACK PATTERNS

In this study, two Concrete Block CB infilled reinforced concrete frames which had been experimentally investigated before are numerically simulated…

crack widthmasonry infillRC frame
مقاله کنفرانسی سال ۱۳۸۸ ۲,۴۱۳ مشاهده

NONLINEAR SEISMIC BEHAVIOR OF A RC FRAME REPAIRED BY FRP LAMINATES

Strengthening reinforced concrete RC frames and unreinforced masonry URM infill walls with fiber reinforced polymer FRP has been proved a very succes…

FRP strengtheningRC framesURM infill walls
مقاله کنفرانسی سال ۱۳۸۸ ۱,۴۳۴ مشاهده

Multiscale Mechanics of Adhesion and Interface for Structural, Biomaterials and Biological Systems

Adhesives are ubiquitous in everyday life and material development advancement Adhesion and debonding are always at the cutting edge of any technolog…

مقاله کنفرانسی سال ۱۳۸۸ ۲,۴۷۹ مشاهده

Multi-component seismic analysis and estimating the results by means of ET method

This study, has focused on 3D structural analysis, using series of preselected records and tries to estimate the average of maximum results by means…

3D seismic analysisScaling methodEndurance Time method
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۱۹ مشاهده

Multi- Storey Buildings Behavior under Seismic Ground Motion using MAPA Method

The innovative Modal Adaptive Pushover Analysis MAPA procedure of asymmetric building systems under seismic ground motions is proposed In this study…

Load increment methodCapacity curveSeismic demand
مقاله کنفرانسی سال ۱۳۸۸ ۲,۱۲۱ مشاهده

Moment-rotation behavior of bolted Top-seat angle connections

Bolted top and seat angle connections are mainly designed to sustain gravitational loads of simply supported steel beams However, the inherent flexur…

moment-rotation relationbolted anglesnonlinear finite element
مقاله کنفرانسی سال ۱۳۸۸ ۲,۴۶۴ مشاهده

Modeling of large frictional contact problems using augmented-Lagrange method

In this paper, the three dimensional large deformation frictional contact is developed for simulation of contact problems based on the node to surfac…

Lagrange techniqueFrictional contactNode to surface
مقاله کنفرانسی سال ۱۳۸۸ ۱,۶۷۴ مشاهده

Modeling of Fundamental Behavior of Pre-stressed FRP-Confined Concrete and Its Stress-Strain Curve

One of the structural elements with a vital role in bearing axial load is the columns Experience after erthquakes show that the lack of adequate rein…

pre-stressingoptimized confinementFRP jacket
مقاله کنفرانسی سال ۱۳۸۸ ۱,۹۸۴ مشاهده

Modeling Stress-Strain Behavior of Unsaturated Soils Using A Genetic Algorithm-Based Neural Network

Modeling of unsaturated soils has been the subject of many research works in the past few decades A number of constitutive models have been developed…

neural networkgenetic algorithmunsaturated soil