Laboratory tests on a new borehole seal for piezometers. 7F, 4R

Laboratory tests on a new borehole seal for piezometers. 7F, 4R

33A Dynamic properties 369 PROSKUR ZAKO'/,NM LrlENSKII, VS ~CJ~E ~'~T, YF Stud~ of th-= velocity Of pcopagatlon ~f el~tic w~¢es in rel~tion to stress...

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33A

Dynamic properties 369 PROSKUR ZAKO'/,NM LrlENSKII, VS ~CJ~E ~'~T, YF Stud~ of th-= velocity Of pcopagatlon ~f el~tic w~¢es in rel~tion to stress in salt rocks under t~i~
Underground excavations M ines See ~Iso abstracts: 331,33~$,449.

Geology Tectonic processes 370 BZE~bLEE,J GEOL.SURV.~=NL0 P#-RK,CALIF .USA S~4MERS, R GEOL .SURV.ME~-O P~RK, CALIF. US~ A note on th-= effect of fs~lt gouge thickness on fm~lt stability. Technical note. 1F,SR. L~T.J .ROCK MECH .MIN.SCI .GEOM~H. ABSTR .V13,N1,1976, P35-36.

Earthquake mechanisms and effects

373 ° SHEOREY_,PR C k ~ .MIN .R~ .STA~.DH~N3AD, IND B~RAT, D C ~ T .MIN . R ~ .STAT . ~ A D , IND SINGH, B C ~ .MIN .R~'$.STAT. DHANBAD, IND Assessment of barrier stability in a pyrite mine. Iw, IT,8R. INT .J .ROCK ~gZH .MIN .SCI.GEOMECH. AB~FR .VI3,NI,1976, P31-3~. 37~ BOLSHINSKII,MI Common features of outbursts of coal, rock and gas and common suppression tactics. In Russian. UGOL,VSO, NII,N~Z .1975,F26-29. Methods of stress relief, such as drilling longholes or slotting out the face are d{scuss_~d.

Tunnels

See abstract: 348.

Frost action, permafrost and frozen ground See abstracts:

36h-,365,385,396,405,445,4b,6,450.

Hydrogeology

375 FOTIEVA,NM Calzulation of non-circular tunnel linings. Textbook. S'~OIIZDAT, 1974.

In-situ stresses and stress around underground openings 376

Groundwater 371 ~-NPILOV,VE Evalu~tioa of infiltratica% parameter at mInlng.plant site in the U.~aine. SOIL MECH.FOUND. ~GNG.V12, N2,1975, P96-98. Estimation of groundwatar recharge at eight industrial sites in the Soviet Union, for the purpose of pcedictlng gzomqdwater rise under the foundations is discussel.

Chemical and physical changes due to w a t e r See abstract: 362.

Measurement of w a t e r pressure and its effects 303 FILHO,PR PONT.CAT~.UNIV.,RIO DE J.~.NEIRO,BR Laboratory tests on a new borehole seal for pi~ometers. 7FI4R. GROUND ~GNG,Vg, N1, J;uN.1976, P16-18. Three series of laboratorj tests were designed to observe the formation of a bore_hole seal made with bento.uite pellets sad to meaaure its permeability. The apparatus, test procedures and results a~e discussed briefly.

CHAPPELL,BA MAUNSELL PTRS .MELBOURNE,AUS Numerical eval.latio• of photoelastic data from discontinuous models. 12F, gR. INT.J .ROCK MECH.MIN.SCI.GEOM~=q.ABSTR.VI2,NI2,DEC. 1975,P353-360. 3?7 NIIZSCHE,PaN UNIV .MISSOURI,ROLLA,USA HAAS, CJ UNIV .MISSOURI,ROLLA,USA Installation induced stresses for gro'/ted roof bolts. 1OF, 5R. LNT.J.ROCK .~-~ .MIN.SC I.G~OMECH. ABSTR .VI3,N1,1976, PI7-2h. 378 D~TE~N, MJ CER,~,~R,ECOLE MINES, N.~21Tf,F Deformation ans/ysis in undergrom~d rosd-~s, lhF. INT.J.ROCK MECH .MIN.SC I.GEOM~H .ABSTR .VI3,N1,1976, P25-30. 379 BRONSHTEIN, MI ~;STOV,VF R UPP~EIT, KV Determination of displacements on the comt~/r of drlft-shaped mines with consideration of fracturing of the rocks. SOIL MECH .FOUND.ENGNG,V12, N3,1975, P181-184. The authors derive equations to estimate the order of