spalling


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Related to spalling: fretting

spalling

[′spȯl·iŋ]
(geology)
The chipping or fracturing with an upward heaving, of rock caused by a compressional wave at a free surface.

spalling

The flaking of bricks, concrete, or stone through deterioration, usually as a result of frost, chemical action, or the movement of a building structure.

spalling

Fractured edges in and around the joint area of concrete caused by tremendous pressure generated during the expansion and contraction of slabs.
References in periodicals archive ?
Even if the concrete lining had the capacity to initially resist spalling under such conditions, buckling could have occurred leading to later breakage.
Offsets at joints or cracks were created by buckling, spalling settlement, and poor construction practice.
The remaining areas of concrete were spalling for the first time.
Future spalling was inevitable unless corrective action was undertaken, action that provided a permanent solution.
Steam spalling results in a moisture-bearing refractory.
Mechanical abuse spalling is a severe case of the random cracking/finning failure mode discussed previously.
This is an example of the coexistence of fluxing of the silica bond in the alumina lining and the spalling reaction that results from the spinel formation.
The speed with which cracking, spalling and finning can develop, given the right circumstances of reactive materials and circulation, should not be underestimated.