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United States Bureau of Mines
Industry: Mining
Number of terms: 33118
Number of blossaries: 0
Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
A beam incorporated into a structure for the sole purpose of resisting wind pressure.
Industry:Mining
A beam of timber or other material that is stiffened so as to reduce deflection.
Industry:Mining
A beam supported off, and transferring loads to, main beams that are themselves carried directly by the walls or columns.
Industry:Mining
A beam to give the reciprocal motion in hand boring.
Industry:Mining
A beam, bar, or girder bent like a bow, with the hump towards the strata.
Industry:Mining
A beam, which if overloaded, will fail by buckling of the compression flange.
Industry:Mining
A beam.
Industry:Mining
A bearing consisting of an inner and outer ring, separated by balls or rollers held in position by a cage.
Industry:Mining
A bearing having ground races and in which the bore and outside diameter tolerances are held to ten-thousandths of an inch and the width tolerance to thousands of an inch.
Industry:Mining
A bearing that defines the direction of a survey line by its horizontal angle measured clockwise from true north.
Industry:Mining