Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime

The grout injected into the joint with a primary velocity but solidifies gradually depending on the joint geometry and grout characteristics. Therefore the velocity changes completely, both in the perpendicular and in the injection direction. In the present study, the changes of two velocity compone...

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Main Authors: Sharifzadeh, Mostafa, Khani, J., Janati Aghdam, Z., Ahmadluy Darab, M.
Format: Journal Article
Published: Iranian Society of Mining Engineering 2009
Online Access:http://hdl.handle.net/20.500.11937/31070
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author Sharifzadeh, Mostafa
Khani, J.
Janati Aghdam, Z.
Ahmadluy Darab, M.
author_facet Sharifzadeh, Mostafa
Khani, J.
Janati Aghdam, Z.
Ahmadluy Darab, M.
author_sort Sharifzadeh, Mostafa
building Curtin Institutional Repository
collection Online Access
description The grout injected into the joint with a primary velocity but solidifies gradually depending on the joint geometry and grout characteristics. Therefore the velocity changes completely, both in the perpendicular and in the injection direction. In the present study, the changes of two velocity components in the joints with various geometries are investigated using computational fluid dynamics (CFD) and finite volume numerical method. For this purpose joints are modeled as parallel smooth plates and the saw-tooth with different matednesses. The results show that velocity component in the injection direction of a joint with parallel smooth plates always reveal parabolic distribution towards the joint aperture. In the saw-tooth joint, velocity component in the injection direction increases in the narrowed locations and its profile changes from parabolic to undulated form. The velocity component perpendicular to injection direction in the joints with parallel smooth plates equals to zero from joint entry up to the point in which grout starts to solidify and after that point this component emerges and then changes. Vertical component of velocity is non-zero in the saw-tooth joint from joint entry and the changes both in quantity and direction depend on joint matedness, joint aperture ratio (k) and joint walls direction and dip.
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institution Curtin University Malaysia
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publishDate 2009
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spelling curtin-20.500.11937-310702017-01-30T13:23:17Z Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime Sharifzadeh, Mostafa Khani, J. Janati Aghdam, Z. Ahmadluy Darab, M. The grout injected into the joint with a primary velocity but solidifies gradually depending on the joint geometry and grout characteristics. Therefore the velocity changes completely, both in the perpendicular and in the injection direction. In the present study, the changes of two velocity components in the joints with various geometries are investigated using computational fluid dynamics (CFD) and finite volume numerical method. For this purpose joints are modeled as parallel smooth plates and the saw-tooth with different matednesses. The results show that velocity component in the injection direction of a joint with parallel smooth plates always reveal parabolic distribution towards the joint aperture. In the saw-tooth joint, velocity component in the injection direction increases in the narrowed locations and its profile changes from parabolic to undulated form. The velocity component perpendicular to injection direction in the joints with parallel smooth plates equals to zero from joint entry up to the point in which grout starts to solidify and after that point this component emerges and then changes. Vertical component of velocity is non-zero in the saw-tooth joint from joint entry and the changes both in quantity and direction depend on joint matedness, joint aperture ratio (k) and joint walls direction and dip. 2009 Journal Article http://hdl.handle.net/20.500.11937/31070 Iranian Society of Mining Engineering restricted
spellingShingle Sharifzadeh, Mostafa
Khani, J.
Janati Aghdam, Z.
Ahmadluy Darab, M.
Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
title Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
title_full Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
title_fullStr Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
title_full_unstemmed Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
title_short Finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
title_sort finite volume numerical analysis of joint geometry effect on grout velocity changes with variable viscosity under unsteady turbulent flow regime
url http://hdl.handle.net/20.500.11937/31070