نتایج جستجو برای: Reinforced parameter

تعداد نتایج: 258059  

A Mandi, P Chandra Pal P Pati S Kundu

In this work, attempts are made to study the dispersion of Love waves in dry sandy layer sandwiched between fiber reinforced layer and inhomogeneous half space.Inhomogeneity in half space associated with density and rigidity and considered in exponential form. Displacement components for fiber reinforced layer, dry sandy layer and inhomogeneous half-space have been obtained by using method of s...

Journal: :international journal of advanced design and manufacturing technology 0
mahmoud mehrdad shokrieh professor saman safari

in this study, the effective factors on warpage in short fibre reinforced thermoplastic composites has been studied. first of all, the effective factors in manufacturing process were detected and then in order to decrease the number of experiments, the approach of design of experiments has been applied. by using micromechanics theory in composites and coefficients of thermal expansion models, a...

Journal: :mechanics of advanced composite structures‎ 2014
vahid tahouneh jafar eskandari-jam

the the main objective of this research paper is to present 3-d elasticity solution for free vibration analysis of elastically supported continuously graded carbon nanotube-reinforced (cgcntr) annular plates. the volume fractions of oriented, straight single-walled carbon nanotubes (swcnts) are assumed to be graded in the thickness direction. an equivalent continuum model based on the eshelby-m...

2016

Strengthening of existing circular reinforced concrete columns by CFRP confinement

Journal: :journal of nanostructures 2013
m. mohammadimehr m. mahmudian-najafabadi

in this article, the bending and free vibration analysis of functionally graded (fg) nanocomposites timoshenko beam model reinforced by single-walled boron nitride nanotube (swbnnt) using micro-mechanical approach embedded in an elastic medium is studied. the modified coupled stress (mcst) and nonlocal elasticity theories are developed to take into account the size-dependent effect. the mechani...

M. Mahmudian-Najafabadi M. Mohammadimehr,

In this article, the bending and free vibration analysis of functionally graded (FG) nanocomposites Timoshenko beam model reinforced by single-walled boron nitride nanotube (SWBNNT) using micro-mechanical approach embedded in an elastic medium is studied. The modified coupled stress (MCST) and nonlocal elasticity theories are developed to take into account the size-dependent effect. The mechani...

2018
Devon S Ellis Habib Tabatabai Azam Nabizadeh

The use of fiber reinforced polymer (FRP) bars in reinforced concrete members enhances corrosion resistance when compared to traditional steel reinforcing bars. Although there is ample research available on the behavior of FRP bars and concrete members reinforced with FRP bars under elevated temperatures (due to fire), there is little published information available on their post-fire residual ...

A previously introduced two phase model was used to assess its capability in predicting the behavior of reinforced soil walls under working stress conditions. The two phase model is a homogenization method based on the virtual work theorem. The reinforced soil medium is considered as the superposition of two continuous phases, the reinforcement and matrix phases that interact within the medium....

2013
SERGIO BACALLADO STEFANO FAVARO LORENZO TRIPPA

We introduce a three-parameter random walk with reinforcement, called the (θ,α,β) scheme, which generalizes the linearly edge reinforced random walk to uncountable spaces. The parameter β smoothly tunes the (θ,α,β) scheme between this edge reinforced random walk and the classical exchangeable two-parameter Hoppe urn scheme, while the parameters α and θ modulate how many states are typically vis...

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