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Suspension roof support.

Roof bolting in the United States

Roof bolting and dust control

Successful use of wooden roof bolts in Stony Point Mine, Stony Point Coal Co., Hopkins County, Ky.

Economic benefits of systematic roof bolting in Ziegler No. 3 Mine, Bell & Zoller Coal & Mining Co., Williamson County, Ill.,

Economies through roof bolting in an Indiana coal mine

Use of torque wrench to determine load in roof bolts.

Roof bolting in Alabama coal mines and iron-ore mines

Use of torque wrench to determine load in roof bolts.

Design of bolting systems to reinforce bedded mine roof

Use of torque wrench to determine load in roof bolts.

Principles of reinforcing bedded mine roof with bolts

Anchorage testing of mine-roof bolts.

Roof-bolt recovery in the middle west

Strength of steel roof bolts after repeated bending

Evaluating anchorage testing methods for expansion-type mine roof bolts

Frictional ignition of gas during a roof fall

Determining the in-place support of mine roof with rock bolts, White Pine Copper Mine, Michigan

The combined effects of friction and suspension in bolting bedded mine roof

The effect of suspension in bolting bedded mine roof

Mine roof rock and roof bolt behavior resulting from nearby blasts

Evaluation of a penetrometer for estimating roof-bolt anchorage

Load relations in preloaded rockbolt testing

Field testing of the explosive-anchored rockbolt

Yield and ultimate strengths of rock bolts under combined loading

Theoretical stress distribution near explosively expanded rock bolt anchors

Evaluation of the explosive-anchored rock bolt

Transverse force produced by tensioned expansion-shell-type rock-bolt anchors

Load loss from rock-bolt anchor creep

Rock-bolt anchorage in tertiary-gravel material :Badger Hill, California

Rock damage from small charge blasting in granite

Effects of specimen radius on the stress state near a roof bolt anchor :a finite element determination

Temperature investigations on resin-anchored bolts

Roof rock structures and related roof support problems in the Pittsburgh coalbeds of southwestern Pennsylvania

Longer-than-seam-height drill development program

Inorganic cement for mine roof-bolt grouting

Long-term response of a coal mine roof to time lapse between exposure and support

Field test of an automated temporary roof support (ATRS) on a low-coal, single fixed-head roof-bolting machine (squirmer)

Corrosion of friction rock stabilizers in selected uranium and copper mine waters

Corrosion of roof bolt steels in Missouri lead and iron mine waters

The Effects of a retreating longwall on a three-entry gate road system

Anchorage capacities in thick coal roofs

Corrosion of friction rock stabilizer steels in underground coal mine waters

Linear load-transfer mechanics of full grouted roof bolts

Development of rapid-setting inorganic grouts

Bolt anchorage with gypsum-plaster water capsule cartridges

Physical and computer modeling of roof bolt systems

Laboratory evaluation of cable bolt supports (in two parts) :

Laboratory evaluation of cable bolt supports (In two parts).


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