Chapter
Apr 26, 2012
Model Testing of Passive Site Stabilization: A New Grouting Technique
Authors: Patricia M. Gallagher and Alyssa J. KochAuthor Affiliations
Publication: Grouting and Ground Treatment
Abstract
Passive site stabilization is a new technology proposed for non-disruptive mitigation of liquefaction risk at developed sites susceptible to liquefaction. It is based on the concept of slow injection of stabilizing materials at the edge of a site and delivery of the stabilizer to the target location using the natural or augmented groundwater flow. In this research, a box model was used to investigate the ability to uniformly deliver colloidal silica stabilizer to loose sands using low-head injection wells. Five injection wells were used to deliver stabilizer in a fairly uniform pattern to the loose sand formation. The results will be used lo design centrifuge model tests in which the stabilizer will be delivered in-flight using a robot.
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Copyright
© 2003 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Centrifuge models
- Construction engineering
- Construction methods
- Engineering fundamentals
- Flow (fluid dynamics)
- Fluid dynamics
- Fluid mechanics
- Geomechanics
- Geotechnical engineering
- Groundwater
- Groundwater flow
- Grouting
- Hydrologic engineering
- Injection wells
- Material tests
- Models (by type)
- Sandy soils
- Soil dynamics
- Soil liquefaction
- Soil mechanics
- Soil properties
- Soil stabilization
- Soils (by type)
- Tests (by type)
- Water (by type)
- Water and water resources
- Water management
- Wells (water)
Authors
Affiliations
Patricia M. Gallagher
Assistant Professor, Dept. of Civil & Arch. Engineering, Drexel University, Philadelphia, PA
Alyssa J. Koch
Graduate, Research Asst., Dept. of Civil & Arch. Engineering, Drexel University
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.