Response of Residential Test Foundations to Large Ground Movements
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Volume 9, Issue 4
Abstract
The behavior of residential structures subjected to large ground movements was evaluated by observing the response of six test foundations constructed over an advancing longwall mine panel. The foundations were subjected to both horizontal and vertical movements, with the induced curvature from the vertical movements being the primary damage mechanism. A plain concrete footing experienced significant damage, with cracks up to 18 mm in width. Both posttensioning and the use of minimal standard reinforcing were effective at controlling foundation damage, with the standard reinforcing being much more economical. Reinforcing amounts only sufficient to insure the yield moment is greater than the cracking moment are necessary. Additional measures may be necessary to provide adequate stiffness for preventing superstructure damage.
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Published In
Journal of Performance of Constructed Facilities
Volume 9 • Issue 4 • November 1995
Pages: 319 - 329
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Nov 1, 1995
Published in print: Nov 1995
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