Chapter
Apr 26, 2012
Impact of Heat Exchange on Side Shear in Thermo-Active Foundations
Authors: John S. McCartney [email protected] and Joshua E. Rosenberg [email protected]Author Affiliations
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
Heat exchangers are currently being incorporated into drilled shaft foundations so that the same building materials can be employed to improve the energy efficiency of heat pump systems and to provide structural support for the building. This study involves the measurement of the load-settlement curves of scale-model thermo-active foundations in a geotechnical centrifuge after heating to different temperatures before applying a building load. The measured curves were evaluated using a load transfer (T-z) analysis to provide a preliminary evaluation of the changes in side shear distribution with heating. Foundations heated to different temperatures then loaded to failure showed an increase in side shear proportional to the temperature change.
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Information
Published In
Geo-Frontiers 2011: Advances in Geotechnical Engineering
Pages: 488 - 498
Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Buildings
- Curvature
- Design (by type)
- Engineering fundamentals
- Foundations
- Geometry
- Geotechnical engineering
- Load factors
- Load transfer
- Mathematics
- Measurement (by type)
- Stress (by type)
- Structural analysis
- Structural design
- Structural engineering
- Structures (by type)
- Temperature effects
- Temperature measurement
- Thermal loads
Authors
Affiliations
M.ASCE
Assistant Professor and Barry Faculty Fellow, University of Colorado at Boulder. Dept. of Civil, Env. and Arch. Engineer. UCB 428 Boulder, CO 80309.E-mail: [email protected]
S.M.ASCE
Graduate Research Assistant, University of Colorado at Boulder. Dept. of Civil, Env. and Arch. Eng.UCB 428 Boulder, CO 80309. E-mail: [email protected]
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