wedging

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wedging

[′wej·iŋ]
(engineering)
A method used in quarrying to obtain large, regular blocks of building stones; a row of holes is drilled, either by hand or by pneumatic drills, close to each other so that a longitudinal crevice is formed into which a gently sloping steel wedge is driven, and the block of stone can be detached without shattering.
The act of changing the course of a borehole by using a deflecting wedge.
The lodging of two or more wedge-shaped pieces of core inside a core barrel, and therefore blocking it.
The material, moss, or wood used to render the shaft lining tight.
References in periodicals archive ?
In addition, the wedging effect caused by the fine sand was gradually diminished, resulting in the mediation of pore shape, porethroat, and tortuosity.
The mechanism of adhesiveness between the cement matrix and aggregate, as well as the cement matrix and reinforcements, and the coinciding operating contact zone destruction caused by crude oil products, are most likely connected with the wedging effect, which occurs on the liquid-solid interface.
When compared with conventional straight stem designs, the lateral-flare stem showed substantially less migration during femoral head loading as the loads were transferred by a wedging effect between the proximal medial femur and around the lateral flare.