pressure block

pressure block

[′presh·ər ‚bläk]
(mining engineering)
The pressure on pillars, walls, and other supports in a mine caused by removal of surrounding formations from masses of rocks or by natural geological formations.
References in classic literature ?
I tell you, I have such faith in Linton's love, that I believe I might kill him, and he wouldn't wish to retaliate.
SOCRATES: Then we ought not to retaliate or render evil for evil to any one, whatever evil we may have suffered from him.
Darcy, it is very ungenerous in you to mention all that you knew to my disadvantage in Hertfordshire-- and, give me leave to say, very impolitic too-- for it is provoking me to retaliate, and such things may come out as will shock your relations to hear.
In this way outrages are frequently committed on the natives by thoughtless or mischievous white men; the Indians retaliate according to a law of their code, which requires blood for blood; their act, of what with them is pious vengeance, resounds throughout the land, and is represented as wanton and unprovoked; the neighborhood is roused to arms; a war ensues, which ends in the destruction of half the tribe, the ruin of the rest, and their expulsion from their hereditary homes.
When he strove to retaliate on Johnny, that imperturbable youth, with extended arm, merely lifted him into the air on his chain and strangled him.
I looked for him to retaliate, but he contented himself with swimming about forlornly a safe ten feet away.
By this means he announced that he was prepared to retaliate for any hurt he might receive.
Under these fortunate circumstances, I was able to keep up my character among my friends, when they inquired about the scuffle, by informing them that Gentleman Jones had audaciously slapped my face, and that I had been obliged to retaliate by knocking him down.
Again and again, drinking in the strangeness and the fearsomeness of the world from her lips, I had heard her state that if one offended an Italian, no matter how slightly and unintentionally, he was certain to retaliate by stabbing one in the back.
Let me but retaliate upon him, by degrees, however slow-- let me but begin to get the better of him, let me but turn the scale--and I can bear it.
So Tom, to retaliate, commenced a war upon the swallows who dwelt under the wheelwright's eaves, whom he harassed with sticks and stones; and being fleeter of foot than his enemy, escaped all punishment, and kept him in perpetual anger.
When the magician retaliates by saying that the spiritually conscientious one could have understood little of his song, the latter replies: "Thou praisest me in that thou separatest me from thyself.