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Grout calculations for resin-grouted bolting without ampoules (in Russian)
130A
Cutting 83~312 ClFI~ABILITY OF EVAPORITES Bilgin~ N Bull Int Assoc Engng Geol, N25, June 1982, P85-90 (Paper to Symposium on E ~ n e e ~ i n g Geological Problems of Constrmction on Soluble Rocks, Istarbul, i~-18 Sept 1981) The cutting characteristics of a~hydrite and g y p s ~ were st~Lied in lab~atcry experiments. The Butler Shaping Machine was used in experiments with picks on the gypsmn, ard the Kelly Shaping Machine was used in disk ard pick cutting experiments on the anhydrite.
Rock and Soil Improvement Techrdques ~n 83~313 GRIMSHY ROAD S C H E ~ USES BAND DRAINS INST~T.TA U N D ~ WATER Groumd Engng, VIS, NT, Oct 1982, P28-29 The West Marsh Relief Road, Humbersides ~(, is beimg constructed and will cross ~ Dock. The scheme is depe:~len~ on accelerating settlemerit of the allu~rlum u~ierlyi~ the fill of embar~ents extemding into the dock. Vertical band drains are being installed f ~ $~Is Purpose.
8~31~ G ~
REPORT SESSION 5 : TREATMERT METHODS FOR SOLUBLE ROCKS Nonveiller, E Bull Int Assoc E ~ Gaol s N25, June 1982, P165-169 (Pal~r to s2mposlum on Emgi~e~ing Geological Problems of Cons~"uc~ion on Soluble Rocks, Istar~uls i~-18 Sept 1981)
Reviews the papers ;resented in Session ~ of the symposium on E~glneerimg Geological Problems of Construction on Soluble Rc~ks, Istax~ul, 14-18 September 1981. There are 2 kirks of l~Olxlem related to construction on softie rock: (i) percolation amd seepage of i ~ e d water from reservoirs and t h r ~ dam fo1,~ndatiouss and (2) beariDg cal~mity, stability and deformation of foumdations of heavy s t r ~ t t ~ e s . Treatment of both types of IrObl~m involves the filling of cavities~ Joints and fissures with a s~a~Xle material.
83~31~
FRICTION IN SOIL IMPROVEMENT Schlossers F; Guillo~x, A Rev Fr Geotech, NI6, Aug 1981, P65-77 Soil-reinfcrcing bar interaction is euemtially affected by s o i l dilatancy. It is p o s a i b l e t o detexm~me a value of lateral friction, or an apparent friction coefficie:f~ in the case of reinforced earths in which the e f f e c t n f dilafancy operates globally.
834316 SPRAYED RESIN SEALING APPLICATIONS FOR TUNNELS
AND ROADWAYS (~N RUSSIAN) Petrovs Y A S~8khtnoe Stroit, NS, May 1982, P20-22 Application of coal-based epoxy resius, t o seal t u n ~ and roadway walls, is by a 7000N highpress~e sl~ay gun.
83~3~7 R ~ K E ~ O R C ~ (IN RUSSIAN)
~ PRYs~C~C~C:~
~T~S
Vasilev, V V Ugol, N2, Feb 1982, P16-18 The use of resin infusion to stabilise strata has been investigated in several Soviet coalfields.
Bolts and anchors See also: 834293 83~318 C ~ T I N G THE LOAD CAPACITY OF A SMOOTH-SURFACE TUBULAR ROOF BC~T (IN RUSSIAN) Simanovich, G A Izv Vys~h Uchebn Zaved Gcrn 2h, N7, July 1981,
n~-31 Tubular roof bolts used in coal mime drifts are subjected to stress analysis under both strain and plastic deformation. Axial, radial ami tangential stresses are expressed in terms of the bolt dimensions and its mechanical prOl~.rties.
83~319 ~ m u u ~
ROOn~ET (IN ~USS~A~)
Yukhimcw, Y I; Galperin, V G Shakhtnoe Stroit, NS, Aug 1982, P26-28 A review of roof bolts used in several countries is given. A mew technique in the Soviet Union is to use bolts containing an exploeive charge which locks the bolt in position when fired.
83~32o SROUT CALCULATIONS FOR ~SIN-GRO~m~D BOLTING WIn-
OUT AMFOULES (IN RUSSIAN) Shirokcw, A P Shakhtnoe Stroit, N6, June 1982, P22-23 Tests on resin grouted wooden dowels aMi steel bolts were carried out to investigate the effect of temperature on cohesion strer4~ch. Results show that cohesion between resin, rock amd bolt increased asymptotically with temperature. 834321 R E r ~ F O R C ~ T OF ROCK AND COAL IN STEEP SEAMS IN THE DONBASS BY MEANS OF CH~WICAL ROOF BOLTING (IN RUSSIAN) Gcrgonov, A T; Salnlk~, V K Ugol Ukr, N2, Feb 1982, Pl~-16 The use of resin-bonded steel roof bolts f ~ strata control in steep seams in the Dor~ass mimes is described. 834322 PERFORMANCE OF PRESTRESSED ANCHORS UNEBR SLOW REPEATED LOADINGS Hanna, T H; Ai-Mosawe, M J Proc 10th International Conference on Soll Mechanics a~d Fouxzlation Er~ineerir~, Stockholmj 15-19 June 1981, V2, P127-132. PUBI Rotterdam: A. A. Balkema, 1981 This paper l~esents recent data on lomg term repeated load testing of l a b ~ a t ~ y scale amchers amd reviews the seneltivlty of the varlo!~ factars which Ir~luence the life of an amch~. I t is shown that the prestreeslng of an ~ h c ~ " increases its llfe s i g n l f l c a ~ but that with IDcrease in the m~mber of loed cycles the initial ~est~ess load is lost and the a n c h ~ reverts back to a dead ~ b a r . The effect of repeated loading on ultimate static pull out resls~amce and the effects of alternating loading are also discussed.
Cutting 83~312 ClFI~ABILITY OF EVAPORITES Bilgin~ N Bull Int Assoc Engng Geol, N25, June 1982, P85-90 (Paper to Symposium on E ~ n e e ~ i n g Geological Problems of Constrmction on Soluble Rocks, Istarbul, i~-18 Sept 1981) The cutting characteristics of a~hydrite and g y p s ~ were st~Lied in lab~atcry experiments. The Butler Shaping Machine was used in experiments with picks on the gypsmn, ard the Kelly Shaping Machine was used in disk ard pick cutting experiments on the anhydrite.
Rock and Soil Improvement Techrdques ~n 83~313 GRIMSHY ROAD S C H E ~ USES BAND DRAINS INST~T.TA U N D ~ WATER Groumd Engng, VIS, NT, Oct 1982, P28-29 The West Marsh Relief Road, Humbersides ~(, is beimg constructed and will cross ~ Dock. The scheme is depe:~len~ on accelerating settlemerit of the allu~rlum u~ierlyi~ the fill of embar~ents extemding into the dock. Vertical band drains are being installed f ~ $~Is Purpose.
8~31~ G ~
REPORT SESSION 5 : TREATMERT METHODS FOR SOLUBLE ROCKS Nonveiller, E Bull Int Assoc E ~ Gaol s N25, June 1982, P165-169 (Pal~r to s2mposlum on Emgi~e~ing Geological Problems of Cons~"uc~ion on Soluble Rocks, Istar~uls i~-18 Sept 1981)
Reviews the papers ;resented in Session ~ of the symposium on E~glneerimg Geological Problems of Construction on Soluble Rc~ks, Istax~ul, 14-18 September 1981. There are 2 kirks of l~Olxlem related to construction on softie rock: (i) percolation amd seepage of i ~ e d water from reservoirs and t h r ~ dam fo1,~ndatiouss and (2) beariDg cal~mity, stability and deformation of foumdations of heavy s t r ~ t t ~ e s . Treatment of both types of IrObl~m involves the filling of cavities~ Joints and fissures with a s~a~Xle material.
83~31~
FRICTION IN SOIL IMPROVEMENT Schlossers F; Guillo~x, A Rev Fr Geotech, NI6, Aug 1981, P65-77 Soil-reinfcrcing bar interaction is euemtially affected by s o i l dilatancy. It is p o s a i b l e t o detexm~me a value of lateral friction, or an apparent friction coefficie:f~ in the case of reinforced earths in which the e f f e c t n f dilafancy operates globally.
834316 SPRAYED RESIN SEALING APPLICATIONS FOR TUNNELS
AND ROADWAYS (~N RUSSIAN) Petrovs Y A S~8khtnoe Stroit, NS, May 1982, P20-22 Application of coal-based epoxy resius, t o seal t u n ~ and roadway walls, is by a 7000N highpress~e sl~ay gun.
83~3~7 R ~ K E ~ O R C ~ (IN RUSSIAN)
~ PRYs~C~C~C:~
~T~S
Vasilev, V V Ugol, N2, Feb 1982, P16-18 The use of resin infusion to stabilise strata has been investigated in several Soviet coalfields.
Bolts and anchors See also: 834293 83~318 C ~ T I N G THE LOAD CAPACITY OF A SMOOTH-SURFACE TUBULAR ROOF BC~T (IN RUSSIAN) Simanovich, G A Izv Vys~h Uchebn Zaved Gcrn 2h, N7, July 1981,
n~-31 Tubular roof bolts used in coal mime drifts are subjected to stress analysis under both strain and plastic deformation. Axial, radial ami tangential stresses are expressed in terms of the bolt dimensions and its mechanical prOl~.rties.
83~319 ~ m u u ~
ROOn~ET (IN ~USS~A~)
Yukhimcw, Y I; Galperin, V G Shakhtnoe Stroit, NS, Aug 1982, P26-28 A review of roof bolts used in several countries is given. A mew technique in the Soviet Union is to use bolts containing an exploeive charge which locks the bolt in position when fired.
83~32o SROUT CALCULATIONS FOR ~SIN-GRO~m~D BOLTING WIn-
OUT AMFOULES (IN RUSSIAN) Shirokcw, A P Shakhtnoe Stroit, N6, June 1982, P22-23 Tests on resin grouted wooden dowels aMi steel bolts were carried out to investigate the effect of temperature on cohesion strer4~ch. Results show that cohesion between resin, rock amd bolt increased asymptotically with temperature. 834321 R E r ~ F O R C ~ T OF ROCK AND COAL IN STEEP SEAMS IN THE DONBASS BY MEANS OF CH~WICAL ROOF BOLTING (IN RUSSIAN) Gcrgonov, A T; Salnlk~, V K Ugol Ukr, N2, Feb 1982, Pl~-16 The use of resin-bonded steel roof bolts f ~ strata control in steep seams in the Dor~ass mimes is described. 834322 PERFORMANCE OF PRESTRESSED ANCHORS UNEBR SLOW REPEATED LOADINGS Hanna, T H; Ai-Mosawe, M J Proc 10th International Conference on Soll Mechanics a~d Fouxzlation Er~ineerir~, Stockholmj 15-19 June 1981, V2, P127-132. PUBI Rotterdam: A. A. Balkema, 1981 This paper l~esents recent data on lomg term repeated load testing of l a b ~ a t ~ y scale amchers amd reviews the seneltivlty of the varlo!~ factars which Ir~luence the life of an amch~. I t is shown that the prestreeslng of an ~ h c ~ " increases its llfe s i g n l f l c a ~ but that with IDcrease in the m~mber of loed cycles the initial ~est~ess load is lost and the a n c h ~ reverts back to a dead ~ b a r . The effect of repeated loading on ultimate static pull out resls~amce and the effects of alternating loading are also discussed.