rock bolts


rock bolts
n
штанговая крепь

Англо-русский строительный словарь. — М.: Русский Язык. . 1995.

Смотреть что такое "rock bolts" в других словарях:

  • Rock Structure Rating — (RSR) is a quantitative method for describing quality of a rock mass and then appropriate ground support. [cite book last = Bieniawski first = Z. T. authorlink = Z. T. Bieniawski title = Engineering Rock Mass Classifications publisher = Wiley… …   Wikipedia

  • Rock bolt — A rock bolt is a long anchor bolt, for stabilizing rock excavations, which may be tunnels or rock cuts. It transfers load from the unstable exterior, to the confined (and much stronger) interior of the rock mass. Rock bolts were first used in… …   Wikipedia

  • rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] * * * ▪ mining       in tunneling and underground mining, steel rod… …   Universalium

  • Rock climbing — History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …   Wikipedia

  • Rock Hill, South Carolina — Rock Hill   City   City of Rock Hill …   Wikipedia

  • Rock Island Swing Bridge — The bridge in the open position, taken from the marina directly north of bridge. Carries One and a half lanes of Washington CSAH 22, CSAH 38, and Dakota CSAH 24 and one railroad track Crosses …   Wikipedia

  • Rock climbing in the Peak District — Rock climbing is a popular activity in the Peak District; particularly on edges such as Stanage or Froggatt. Generally the climbing style is free climbing (as opposed to aid climbing) and the rock is either gritstone or limestone. Climbing has… …   Wikipedia

  • Rock of Love with Bret Michaels (season 2) — For the first season, see Rock of Love with Bret Michaels (season 1). For the third season, see Rock of Love Bus with Bret Michaels. Rock of Love 2 with Bret Michaels The cast of Rock of Love 2 Format …   Wikipedia

  • Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …   Wikipedia

  • Mining rock mass rating — Laubscher developed the Mining Rock Mass Rating (MRMR)[1][2][3][4][5] system by modifying the Rock Mass Rating (RMR) system of Bieniawsk …   Wikipedia

  • The Bolts — Infobox Musical artist Name = The Bolts Img capt = Img size = Landscape = Background = group or band Origin = Irvine, California, U.S. Genre = Rock Years active = 2007 ndash; present Label = Associated acts = URL = Current members = Addam Farmer… …   Wikipedia