Potential safety hazard on J.H. Fletcher & Co. roof bolting machines with independent left and right tram levers.

Roof bolting machine operators skills training for a walk-thru roof bolter : trainer's guide /
Published: (2006)

Controlled start for drill motors on roof bolting machines.
Published: (2000)

Temperature investigations on resin-anchored bolts /
by: Stateham, Raymond M.
Published: (1976)

Roof bolt spacing.
Published: (2012)

Reinforcement mechanisms of untensioned full-column resin bolt /
by: Kwitowski, August J.
Published: (1980)

Field test of an automated temporary roof support (ATRS) on a low-coal, single fixed-head roof-bolting machine (squirmer) /
by: Chislaghi, Charles T.
Published: (1982)

Re-issue of P09-26 : potential hazard to roof bolting machine operators due to inadvertent control actuation.
Published: (2011)

Investigation of the effects of thrust and hardened washers on the installed tension of a roof bolt /
by: Sawyer, Stephen Gerard, et al.
Published: (1976)

Collapsible drill steel enclosure for reducing roof bolting machine drilling noise.
Published: (2008)

Field verification of load transfer mechanics of fully grouted roof bolts /
by: Signer, S. P. (Stephen P.)
Published: (1990)

Stress distribution around resin grouted bolts /
by: Radcliffe, Daryl E.
Published: (1980)

Combined roof-bolting systems of mine workings : monograph /
by: Bondarenko, Volodymyr
Published: (2020)

Rock bolting : theory and application in mining and underground construction : proceedings of the International Symposium on Rock Bolting, Abisko, 28 August-2 September 1983 /
Published: (2020)

Analysis of disabling injuries related to roof bolting in underground bituminous coal mines - 1973 /
by: Miller, Wayne K., et al.
Published: (1975)

Evaluation of instrumented cable bolts in cement grout to determine physical and numerical modeling properties /
Published: (2004)

Longer-than-seam-height drill development program /
by: Derby, G. K. (George K.)
Published: (1978)

Roof rock structures and related roof support problems in the Pittsburgh coalbeds of southwestern Pennsylvania /
by: Moebs, Noel N.
Published: (1977)

Evaluation of dust collector bags for reducing dust exposure of roof bolter operators.
Published: (2007)

Long-term response of a coal mine roof to time lapse between exposure and support /
by: Radcliffe, Daryl E.
Published: (1980)

Corrosion of friction rock stabilizers in selected uranium and copper mine waters /
by: Tilman, M. M. (Milton M.)
Published: (1984)

Inorganic cement for mine roof-bolt grouting /
by: Simpson, R. E. (Robert Eugene), 1920-
Published: (1980)

Reissue of I10-V-07, tensioned cable bolts.
Published: (2012)

Reissue of P05-19 : use of mobile roof support (MRS) units for retreat mining.
Published: (2011)

Drill monitor with strata strength classification in near-real time /
Published: (2002)

NIOSH releases new skills training aid : walk-thru roof bolting machine trainer's guide, Information Circular (IC) 9489.
Published: (2007)

Report of findings /
Published: (1994)

Proceedings, new technology for coal mine roof support.
Published: (2000)

An Analysis of roof-pillar-weak floor interaction in partial extraction room-and-pillar mining /
by: Pytel, W. M.
Published: (1990)

Supplemental roof support materials.
Published: (2012)

Geologic factors causing roof instability and methane emission problems : the Lower Kittaning coalbed, Cambria County, Pa. /
by: McCulloch, C. M. (Charles M.)
Published: (1973)

Roof hazard alert modules.
Published: (1997)

A laboratory method of measuring slip in bolted connections /
by: Moss, D. S.
Published: (1968)

Using ground penetrating radar for roof hazard detection in underground mines /
Published: (1996)

Field-expedient shotcrete adhesion test system.
Published: (2011)

Resin-grouted cables for enhanced coal mine roof support.
Published: (1994)

A method to characterize risk associated with mine roof conditions.
Published: (2006)