Control Support
Control support - one of the structural elements of the development system, intended for operational approximate monitoring of the roof descent process in the immediate vicinity; they may be made of wooden posts with a short compressible beam 15-20 cm thick, as well as composite posts connected by a metal clamp using "half-tree" joints
Source: "INSTRUCTION ON UNDERGROUND DEVELOPMENT OF PERMAFROST DEPOSITS (CHAMBER AND PILLAR DEVELOPMENT SYSTEMS). RD 06-326-99"
(approved by the Order of the State Mining Inspection of Russia dated November 18, 1999 No. 84)
Понятие «контрольная крепь» женского рода.
| Падеж | Единственное число | Множественное число |
|---|---|---|
| Р | контрольной крепи | контрольных крепей |
| Д | контрольной крепи | контрольным крепям |
| В | контрольную крепь | контрольные крепи |
| Т | контрольной крепью | контрольными крепями |
| П | контрольной крепи | контрольных крепях |