Last edited by Arashirisar
Sunday, May 10, 2020 | History

2 edition of Rockbolt anchorage in tertiary-gravel material found in the catalog.

Rockbolt anchorage in tertiary-gravel material

John P. Conway

Rockbolt anchorage in tertiary-gravel material

by John P. Conway

  • 66 Want to read
  • 15 Currently reading

Published by United States Department of the Interior, Bureau of Mines in Badger Hill, CA .
Written in English

    Subjects:
  • Mine roof bolting.

  • Edition Notes

    StatementJohn P. Conway.
    SeriesReport of investigations (United States. Bureau of Mines) -- 7578.
    Classifications
    LC ClassificationsTN23 .U7
    The Physical Object
    Pagination14 p. :
    Number of Pages14
    ID Numbers
    Open LibraryOL21621190M


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Rockbolt anchorage in tertiary-gravel material by John P. Conway Download PDF EPUB FB2

Rock-bolt anchorage in tertiary-gravel material: Badger Hill, California [John P. Conway] on *FREE* shipping on qualifying offers. Get this from a library. Rock-bolt anchorage in tertiary-gravel material: Badger Hill, California. [John P Conway; United States.

Bureau of Mines.]. This investigation was undertaken to determine the feasibility of rock-bolt support in Tertiary-gravel material. Pull tests were performed on five types of rock-bolt anchors to determine their optimum anchorage capacity.

Four of these anchors are commercially available; the fifth, an explosive-anchor bolt, was developed by the Bureau of Mines. Buy Rock-bolt anchorage in tertiary-gravel material: Badger Hill, California (Report of investigations / United States Department of the Interior, Bureau of Mines) by John P Conway (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : John P Conway. Rock bolts. See also what's at your library, or elsewhere. Broader terms: Anchorage (Structural engineering) Foundations; Rock mechanics; Narrower terms: Mine roof bolting; Mine roof bolts, Resin.

Anchorage capacities in thick coal roofs / (Pittsburgh, Pa.: U.S. Dept. of the Interior, Bureau of Mines, ), by Stephen C.

Tadolini (page images at HathiTrust) An operational analysis of point resin-anchored bolting systems / ([Arlington, Va.]: Dept. of Labor, Mine Safety and Health Administration, ), by George J. Karabin, M. Terry. Most of the gravel is to cm ( in) in diameter, but pieces as long as 10 cm (4 in) are present.

The gravel is composed of quartz with small amounts of black chert and quartzite. Clay commonly occurs as discrete, thin, discontinuous beds, is dark gray where unweathered, white or red where weathered. Rock-bolt anchorage in tertiary-gravel material: Badger Hill, California | Conway, John P. | ISBN: | Kostenloser Versand für alle Bücher mit Versand und Verkauf duch : Taschenbuch.