Chapter
Apr 26, 2012
Effect of Injection Rate on Clay-Grout Behavior for Compensation Grouting
Authors: K. Soga, S. K. A. Au, and M. D. BoltonAuthor Affiliations
Publication: Grouting and Ground Treatment
Abstract
Laboratory grout injection tests were performed in clay to investigate the effect of grout injection rate on soil-grout behaviour during and after injection for both `compaction' type and `fracture' type grouting, with particular emphasis on compensation grouting in clays. Injection of low mobility grout was simulated by expanding a latex balloon, whereas injection of high mobility grout was simulated by injecting epoxy resin directly into clay specimens. For balloon expansion case, there was a minor effect of injection rate on pressure-injection volume and grout efficiency-time relationships. For epoxy injection case, on the other hand, fracture initiation and propagation mechanisms were affected by the magnitude of injection rate and hence the pressure-volume and grout efficiency-time relationships were injection rate dependent.
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Information
Published In
Grouting and Ground Treatment
Pages: 845 - 856
Copyright
© 2003 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Business management
- Clays
- Compacted soils
- Construction engineering
- Construction methods
- Continuum mechanics
- Cracking
- Employee compensation and benefits
- Employment
- Engineering materials (by type)
- Engineering mechanics
- Epoxy
- Fracture mechanics
- Geomechanics
- Geotechnical engineering
- Grouting
- Materials engineering
- Personnel management
- Polymer
- Practice and Profession
- Soil grouting
- Soil mechanics
- Soil properties
- Soils (by type)
- Solid mechanics
- Synthetic materials
Authors
Affiliations
K. Soga
Senior Lecturer, University of Cambridge, Engineering Department, Trumpington Street, Cambridge CB2 1PZ, UK
S. K. A. Au
Lecturer, City University of Hong Kong, Department of Building and Construction, Kowloon, Hong Kong
M. D. Bolton
Professor, University of Cambridge, Engineering Department, Trumpington Street, Cambridge CB2 1PZ, UK
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