FINITE VOLUME NUMERICAL ANALYSIS OF JOINT GEOMETRY EFFECT ON GROUT VELOCITY CHANGES WITH VARIABLE VISCOSITY UNDER UNSTEADY TURBULENT FLOW REGIME

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SHARIFZADEH M.; KHANI J.; JANATI AGHDAM Z.; AHMADLUY DARAB M.

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Paper Information

Journal: IRANIAN JOURNAL OF MINING ENGINEERING (IRJME) Year:2009 | Volume:4 | Issue:7 Page(s): 13-22

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Information Journal Paper

Title

FINITE VOLUME NUMERICAL ANALYSIS OF JOINT GEOMETRY EFFECT ON GROUT VELOCITY CHANGES WITH VARIABLE VISCOSITY UNDER UNSTEADY TURBULENT FLOW REGIME

Author(s)

SHARIFZADEH M. | KHANI J. | JANATI AGHDAM Z. | AHMADLUY DARAB M. | Issue Writer Certificate

Keywords

COMPUTATIONAL FLUID DYNAMICS (CFD)Q3

FINITE VOLUMEQ3

ROCK JOINTQ3

MATEDNESSQ3

GROUTINGQ3

GROUT VELOCITY COMPONENTSQ3

Abstract

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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APA: Copy

SHARIFZADEH, M., KHANI, J., JANATI AGHDAM, Z., & AHMADLUY DARAB, M.. (2009). FINITE VOLUME NUMERICAL ANALYSIS OF JOINT GEOMETRY EFFECT ON GROUT VELOCITY CHANGES WITH VARIABLE VISCOSITY UNDER UNSTEADY TURBULENT FLOW REGIME. IRANIAN JOURNAL OF MINING ENGINEERING (IRJME), 4(7), 13-22. SID. https://sid.ir/paper/117047/en

Vancouver: Copy

SHARIFZADEH M., 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. IRANIAN JOURNAL OF MINING ENGINEERING (IRJME)[Internet]. 2009;4(7):13-22. Available from: https://sid.ir/paper/117047/en

IEEE: Copy

M. SHARIFZADEH, J. KHANI, Z. JANATI AGHDAM, and M. AHMADLUY DARAB, “FINITE VOLUME NUMERICAL ANALYSIS OF JOINT GEOMETRY EFFECT ON GROUT VELOCITY CHANGES WITH VARIABLE VISCOSITY UNDER UNSTEADY TURBULENT FLOW REGIME,” IRANIAN JOURNAL OF MINING ENGINEERING (IRJME), vol. 4, no. 7, pp. 13–22, 2009, [Online]. Available: https://sid.ir/paper/117047/en

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