Geo-Congress 2020
Cement Suspension Flow through Heterogeneous Porous Media
Publication: Geo-Congress 2020: Foundations, Soil Improvement, and Erosion (GSP 315)
ABSTRACT
Cement permeation grouting is a soil improvement method applied to increase the strength of a soil body and/or lower its hydraulic conductivity. This method is particularly useful in cases where surface access is limited and where soil disturbance cannot be tolerated, for example when improving soil below an existing structure. Cement permeation grouting has been extensively studied and our understanding of the mechanisms controlling its successful application has improved remarkably over the past decades. However, most of the performed studies consider homogeneous porous media, and understanding the effect of soil heterogeneity on grout propagation is still lacking. In fact, soil heterogeneity is often considered a limitation when trying to apply lab test results to field applications. This paper introduces a 2D grouting setup to research grouting of heterogeneous layered soils. The paper presents preliminary test results demonstrating the effect of soil heterogeneity on grout flow compared to flow in homogenous soils.
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ACKNOWLEDGMENT
This work was supported by the National Science Foundation, Geomechanics and Geomaterials program and Geotechnical engineering program, under Grant No. 1254763. This support is gratefully acknowledged.
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Information & Authors
Information
Published In
Geo-Congress 2020: Foundations, Soil Improvement, and Erosion (GSP 315)
Pages: 695 - 704
Editors: James P. Hambleton, Ph.D., Northwestern University, Roman Makhnenko, Ph.D., University of Illinois at Urbana-Champaign, and Aaron S. Budge, Ph.D., Minnesota State University, Mankato
ISBN (Online): 978-0-7844-8278-0
Copyright
© 2020 American Society of Civil Engineers.
History
Published online: Feb 21, 2020
ASCE Technical Topics:
- Cement
- Chemical properties
- Chemistry
- Concrete
- Construction engineering
- Construction methods
- Engineering materials (by type)
- Environmental engineering
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Grouting
- Heterogeneity
- Hydrologic engineering
- Materials engineering
- Porous media flow
- Soil cement
- Soil dynamics
- Soil grouting
- Soil mechanics
- Soil properties
- Soil stabilization
- Soil strength
- Water and water resources
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