Underpinning(redirected from underpinnings)
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Permanent supports replacing or reinforcing the older supports beneath a wall or a column.
Braced props temporarily supporting a structure.
Building up the wall of a mine shaft to join that above it.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The rebuilding or deepening of the foundation of an existing building to provide additional or improved support, as the result of an excavation in adjoining property that is deeper than the existing foundation.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The rebuilding or deepening of the foundation of an existing building to provide additional or improved support, e.g., additional support required as a result of a new excavation in adjoining property which is deeper than the existing foundation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.