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Grouting Rock Fractures with Cement Grout
Abstract The radial flow rate of a cement grout in a rock fracture is obtained from Bingham’s relation and the fact that the power expended by the injection mechanism is the energy dissipated by viscous effects. The energy balance reveals that the advance ratio is of fundamental importance in the grouting process and is inherently related to the rest and advance phases of a cement grout. This allows giving a precise definition of the zero flow path that divides the energy diagram into two distinct domains for advancing and non-advancing grout. The advance ratio and the zero flow path are used to explore the grouting of one or more fractures, analyze the GIN model in the context of the SL dispute, draw a terminal sequence considering the energy interval alternative, and reformulate the refusal criterion of the North American grouting method. Secondary grouting effects are also investigated.
Grouting Rock Fractures with Cement Grout
Abstract The radial flow rate of a cement grout in a rock fracture is obtained from Bingham’s relation and the fact that the power expended by the injection mechanism is the energy dissipated by viscous effects. The energy balance reveals that the advance ratio is of fundamental importance in the grouting process and is inherently related to the rest and advance phases of a cement grout. This allows giving a precise definition of the zero flow path that divides the energy diagram into two distinct domains for advancing and non-advancing grout. The advance ratio and the zero flow path are used to explore the grouting of one or more fractures, analyze the GIN model in the context of the SL dispute, draw a terminal sequence considering the energy interval alternative, and reformulate the refusal criterion of the North American grouting method. Secondary grouting effects are also investigated.
Grouting Rock Fractures with Cement Grout
El Tani, Mohamed (author)
2012
Article (Journal)
Electronic Resource
English
BKL:
38.58
Geomechanik
/
56.20
Ingenieurgeologie, Bodenmechanik
/
38.58$jGeomechanik
/
56.20$jIngenieurgeologie$jBodenmechanik
RVK:
ELIB41
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