spalling


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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 ?
Kevin Worthington AYOU can hire a machine to cut out the mortar around the spalling bricks and then remove them.
Most people are unaware that during a ballistic attack that most severe injuries and a significant amount of lives lost are due to ballistic fragmentation or spalling.
The men demanded money and when Mr Spalling refused to hand over any cash he was attacked before the men fled.
The severity of the concrete spalling presented a safety hazard to the public in the area.
This flaking process, or spalling, represents a previously unknown mechanism for directly generating colloids -- particles too tiny to settle out of water, says study leader John K.
In simple terms, spalling is considered as a form of decrepitation caused by an unequal expansion of rock crystals that overcomes molecule cohesion.