Chapter
Jul 21, 2016
Installation Effect of Controlled Modulus Columns on Nearby Existing Structures
Authors: Huu Hung Nguyen [email protected], Hadi Khabbaz [email protected], Behzad Fatahi [email protected], Roger Santos [email protected], Michael Marix-Evans [email protected], and Philippe Vincent [email protected]Author Affiliations
Publication: Geo-China 2016
Abstract
Controlled modulus columns (CMC) ground improvement technique is a novel approach to reduce ground settlement. To install CMC, a rotary displacement auger is used to form a vertical cylindrical cavity, by displacing the surrounding soils laterally, followed by grout injection. While the method reduces spoil generation, excessive lateral soil displacement may damage the adjacent structures and freshly-grouted CMCs. Although there has been growing interest in quantifying such effects, only a handful of studies have been attempted. This paper presents results of a numerical investigation on the CMC installation effect on an existing bridge pile using the three-dimensional finite difference software package FLAC3D. The bridge pile response to the lateral soil movement induced by the CMC installation are presented and discussed.
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Information & Authors
Information
Published In
Geo-China 2016
Pages: 125 - 133
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Jul 21, 2016
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ASCE Technical Topics:
- Analysis (by type)
- Bridge engineering
- Bridges
- Buildings
- Continuum mechanics
- Displacement (mechanics)
- Engineering fundamentals
- Engineering mechanics
- Existing buildings
- Foundation settlement
- Foundations
- Geomechanics
- Geotechnical engineering
- Numerical analysis
- Pile foundations
- Piles
- Soil dynamics
- Soil mechanics
- Soil settlement
- Soil stabilization
- Solid mechanics
- Structural engineering
- Structural mechanics
- Structural settlement
- Structures (by type)
Authors
Affiliations
Ph.D. Student, Centre for Built Infrastructure Research, Univ. of Technology Sydney (UTS), NSW, Australia. E-mail: [email protected]
Associate Professor, Centre for Built Infrastructure Research, Univ. of Technology Sydney (UTS), NSW, Australia. E-mail: [email protected]
Senior Lecturer, Centre for Built Infrastructure Research, Univ. of Technology Sydney (UTS), NSW, Australia. E-mail: [email protected]
Senior Project Engineer, Fulton Hogan Australia Pty Ltd., Australia. E-mail: [email protected]
Design Manager, Fulton Hogan Australia Pty Ltd., Australia. E-mail: [email protected]
General Manager, Menard Oceania Pty Ltd., Australia. E-mail: [email protected]
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