نمایه پژوهش‌ها

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 ۱,۷۰۰ مشاهده

Probabilistic Seismic Demand Models for Pile-Supported Wharf Structures With batter Piles

This paper develops an optimal probabilistic seismic demand model PSDM for pile supported wharves whit batter plies Here, four bins with twenty non n…

Seismic demandPile-supported wharfPerformance based design
مقاله کنفرانسی سال ۱۳۹۱ ۱,۷۸۳ مشاهده

Prevention of Cavitation on Spillways by Controlling of Cavitation Index

Cavitation phenomenon is a common and very complex process on spillways that threatens the stability of spillway structure This phenomenon occurs whe…

CavitationSpillwayCavitation index
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۹۱ مشاهده

Presenting Restoration and Retrofitting Process for Monument Damaged of Doroud Earthquake (Jame’ mosque Case Study)

In this paper the proper solution to modify circular analysis method of soil support interaction model for considering the effect of earthquake scatt…

RetrofittingJame’ mosqueReconstruction
مقاله کنفرانسی سال ۱۳۹۱ ۱,۲۸۷ مشاهده

Premature fracture of concrete beam strengthening by FRP plates, Introduction of variety of models, and comparison of presented theoretical model with experimental results

Externally bonded of FRP laminates for strengthening and increasing flexural capacity of concrete beams have been extensively common The possibility…

flexural capacitydebondingfracture of beams
مقاله کنفرانسی سال ۱۳۹۱ ۱,۳۷۶ مشاهده

Preliminary study on influence of perforation diameters on wellbore productivity

Perforations are mostly common among the water wellbore projects in Iran These perforations have significant improvement on wellbore productivity Con…

water wellboreperforationproductivity
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۹۹ مشاهده

Prediction of local scouring in braided rivers by stochastic modeling

In this paper, a new stochastic method for predicting scour hole depth in the future is presented in the braided river The model procedure is as foll…

ARIMAscour depthbraided river
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۴۷ مشاهده

Prediction of Undrained Lateral Load Capacity of Piles in Cohesion Soil Using Genetic Programming

In many engineering project piles shall be designed for lateral loads due to earth pressure, earthquake or wind forces on the structures This require…

Genetic programmingCohesion soilsNumerical models
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۰۶ مشاهده

Piled Raft Foundation (PRF) Systems Behavior under Earthquake Loading

Behavior of piled rafts foundations as an efficient alternative system for pile groups subjected to earthquake loading has been studied and realized…

ABAQUSFEMEarthquake Loading
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۵۴ مشاهده

Pile-soil Interaction under Vertical Harmonic vibration in layered soil

Simplified analytical models are represented for vertical harmonic vibration response of pile soil interaction in layered soil The pile is assumed to…

vertical harmonic vibrationpile-soil interactionlinear visco-elastic layer
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۷۴ مشاهده

Performance-Based Seismic Evaluation of Precast Concrete Frames with Hybrid Connections

The unique features of hybrid frames, which include minimum structural damage when subjected to earthquake loadings, are the result of using a combin…

Precast concretePerformance base evaluation
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۹۲ مشاهده

Performance of anaerobic sequencing batch reactor for treatment of wastewater containing azo dye Acid Red 18

The aim of present research was to investigate the performance of anaerobic sequencing batch reactor An SBR for treatment of wastewater containing az…

PerformanceDecolorizationAzo dye
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۲۷ مشاهده

Performance of Friction Damper for Dynamic Response Reduction of Seismically Excited Knee Braced Steel Frames

High performance and reliability of refurbish able knee braced steel frames has been confirmed in previous researches trying to get an optimal design…

BucklingFriction DamperDynamic Analysis
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۳۰ مشاهده

Performance of Externally Bonded Reinforcement In Grooves (EBRIG) Method for Flexural Strengthening of RC Beams

One of the most prominent challenges of flexural strengthening of beams using Fiber Reinforced Polymer FRP composites, is the premature debonding of…

DebondingStrengtheningReinforced concrete beam
مقاله کنفرانسی سال ۱۳۹۱ ۱,۳۷۵ مشاهده

Peformance improvement of Neural Networks in daily streamflow prediction using principal component analysis

Successful river flow time series forecasting is a major goal and an essential procedure that is necessary in water resources planning and management…

Principal Component AnalysisMLPGRNN
مقاله کنفرانسی سال ۱۳۹۱ ۱,۲۵۳ مشاهده

Parametric Study of Free-Field and Surface Response of Axisymmetric Elastic Half-Spaces under Surface Explosions

Modeling of elastic half spaces and wave propagation within half spaces under dynamic impulse loading has numerous applications Although half space r…

Surface explosionElastic axisymmetric half-spaceFree-field response
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۹۱ مشاهده

PERFORMANCE OF RETROFIT HIGHWAY BARRIERS WITH MECHANICAL ANCHOR

The Texas Department of Transportation uses vehicular barriers at the edges of highway bridge decks A recent TxDOT research study, conducted at the U…

barriersretrofitpost-installed
مقاله کنفرانسی سال ۱۳۹۱ ۲,۴۷۹ مشاهده

Overall Buckling Behavior of All -Steel Buckling Restrained Braces

One of the key requirements of desirable mechanical behavior in buckling restrained brace under severe earthquake loading is to prevent its global bu…

Global bucklingFinite element analysisCyclic loading
مقاله کنفرانسی سال ۱۳۹۱ ۱,۵۸۲ مشاهده

Ovaling deformations of circular urban tunnels under seismic wave propagation

The urban tunnels under severe earthquake excitations are very important lifelines because of the number of facilities and the beneficiaries in progr…

Ovaling deformationseismic loading tunnel wave propagation
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۸۶ مشاهده

Optimum strengthening of steel-concrete composite beams using pre-stressed FRP plates

This paper suggests an analytical procedure using exterior penalty approach to gain the optimum pre stressing amount in FRP plates which is attached…

Pre-stressed FRP platesstrengtheningoptimization
مقاله کنفرانسی سال ۱۳۹۱ ۱,۸۸۲ مشاهده

Optimum Cost DESIGN of RCC RETAINING WALL with GA

During last decades, economical criteria are the most important factor in civil engineering projects Cantilever retaining walls, as reinforced concre…

optimizationRetaining wallAlgorithm Genetic
مقاله کنفرانسی سال ۱۳۹۱ ۱,۹۸۳ مشاهده

Optimization of Brace Connections in Light Weight Steel Frame (LSF) by Neural Network

In recent years, light weight steel framing system has been proposed as an economic system and earthquake resistant Tendency of the mass constructors…

Cold-formed steel (CFS)OptimizationNeural network
مقاله کنفرانسی سال ۱۳۹۱ ۱,۴۳۶ مشاهده

Optimal management in regulation of adding materials in water distribution systems by multi-population genetic algorithm method

One of the greatest drawbacks of GAs is that they require a high number of function evaluations to achieve convergence Each function evaluation entai…

Hill climber strategiesHookeJeeves
مقاله کنفرانسی سال ۱۳۹۱ ۱,۱۸۲ مشاهده

On water coefficient of permeability in unsaturated compressible soils

The paper represents data of an elaborate laboratory test program on the water flow behaviour in a variety of soils including clay, silt, and sand Th…

Unsaturated soilsmatrix suctionnet stress
مقاله کنفرانسی سال ۱۳۹۱ ۲,۰۵۱ مشاهده

Numerical simulation of flow pattern around spur dikes series in rigid bed

Spur dikes are used to protect river banks from erosion and also keep the main channel navigable These structures are built from the river bank into…

spur dikesFLOW-3DNumerical simulation