Strength anisotropy of fibre-reinforced sands under multiaxial loading

A Mandolini, A Diambra, E Ibraim - Géotechnique, 2019 - icevirtuallibrary.com
The strength anisotropy of fibre-reinforced sands in the multiaxial stress space has been
investigated using a hollow cylinder torsional apparatus. Probing stress paths under …

Anisotropic behavior of fiber-reinforced sands

S Ghadr, H Bahadori - Journal of Materials in Civil Engineering, 2019 - ascelibrary.org
The contribution of fibers to the strength of fiber-reinforced soils is dependent on multiaxial
stress space. This study furthers knowledge on the dependency of steady states on …

Strength anisotropy of fiber-reinforced sand

RL Michalowski, J C̆ermák - Computers and Geotechnics, 2002 - Elsevier
The contribution of fibers to the strength of fiber-reinforced soils is very much dependent on
the distribution of orientation of the fibers. The fibers in the direction of largest extension …

A multiaxial constitutive model for fibre-reinforced sand

Z Gao, A Diambra - Géotechnique, 2021 - icevirtuallibrary.com
Fibre orientation in fibre-reinforced sand (FRS) is highly anisotropic due to compaction
during sample preparation or field construction. This makes the mechanical behaviour of …

Anisotropy in sand–fibre composites and undrained stress–strain implications

S Ghadr, H Bahadori, A Assadi-Langroudi - International Journal of …, 2019 - Springer
Among the plethora of studies on anisotropy in fibre-reinforced sands, there exist conflicting
views on effects on the steady-state deformations of initial packing. These conflicting views …

Effect of grain size on undrained anisotropic behaviour of sand–fibre composite

S Ghadr - Transportation Geotechnics, 2020 - Elsevier
This study investigates the dependency of steady states on anisotropy in unreinforced
uniform angular silica sands and those reinforced with micro-synthetic fibres. In doing so, the …

Fibre reinforced sands: from experiments to modelling and beyond

A Diambra, E Ibraim, AR Russell… - … Journal for Numerical …, 2013 - Wiley Online Library
Based on hypotheses derived directly from experimental observations of the triaxial
behaviour, a constitutive model for fibre reinforced sands is built in this paper. Both the sand …

Discrete element analysis of the strength anisotropy of fiber-reinforced sands subjected to direct shear load

L Gong, L Nie, Y Xu - Applied Sciences, 2020 - mdpi.com
Soil reinforcement with natural or synthetic fibers enhances its mechanical behavior in
various applications. Fiber-reinforced sands (FRS) can be relatively anisotropic because of …

Comparison of Mechanical Properties ofFiber-Reinforced Sand under Triaxial Compressionand Direct Shear

R Noorzad, STG Zarinkolaei - Open Geosciences, 2015 - degruyter.com
This research investigates the behavior of sandreinforced with polypropylene fiber. To do
this, 40 directshear tests and 40 triaxial tests were performed on thecoastal beaches of …

Effective skeleton stress and void ratio for constitutive modeling of fiber-reinforced sand

Z Gao, D Lu, M Huang - Acta geotechnica, 2020 - Springer
Inclusion of flexible fibers such as polypropylene and polyester is an effective method for soil
improvement, as it significantly enhances the soil strength and ductility. A proper constitutive …