Geotechnical properties of the carboniferous limestone of the bristol area. The influence of petrography and chemistry

42A

803033 ~ ~ S OF SCALE ON THE SRFAR ~ JOI~TS. ~ C A L NOTE

~

N; ~ s ,

OF

s

Int J Rock Meah Min Sci, V17, N1, Feb 1980,

~6~73 D i s c u s s e s e w i d e ~ e t o show the i m t ~ n c e of scale effect in es~-~ ~oint r~ess coefficient (JRC). The im~luence of block size on ~ results of shear ~ tests is illushrated by model studies. The use of tilt c~ pull tests on the matural block size to estimate JRC is proposed.

803041 EVOLUTION OF MECHANICAL PROPERTIES OF A STRATIFIED ROCK UNDER CONFINING PRESSURE (IN FRENCH) Allirot, D; Boehler, J P Prom 4th Comgress International Society for Rock M e e / ~ c s , Mo~h~eux, 2-8 Sept 1979, Vol i, P15-22. Publ Rotterdam, A A Balkema, 1979 Reports an experimental investigation of the anlsotropy of cohesion, modulus of elasticity, limit stremg~ amd internal friction, with respeot to the comflnimg pressure.

8o3o42 TRIAXI~ C E ~ F ~ S - M O D ~ 700/~0-1 (IN ~ C H ) 80303~ M ~ N I C A L ~ OF KAGLINITE FAULT 'GOUGE' AT MOD~P~T~ ~ PRESSURE, 20 DES C. TECHNICAL NOTE ~ , EH Int J Rock Mech Min Sci, V16, ~ , Dec 1979,

Brych~ J; Schroeder, C Proc 4~h Comgress Internatioral Society for Rock Meahanlcs, Montreux, 2-8 Sept 1979, Vol i, P61-63. Publ Rotterdam, A A ~ , 1979

~o7-~1o Repurts ~ I m e n t s on both oven dry and water saturated alay at r o ~ ~ a t u r e and mainly at 200MPa eonfim~g l~resm~e. 803035 ~ ~

~ ANISOTROPY VARIATIONS IN WEATHEC~D CLAY Russell, D J; Denness~ B; MeCamn, D M Emg~g Gaol, VI2, N~, Dee 1978, P337-3A~

Reds ,,~d~A~_ tests using a modified shear vane apparatus. 803036 STRAIN ~ G OF B R ~ GEC~0GIC MATERIALS Sture, S; Ko, H Y Int J Num ~ - ! Meth Geumech, V2, N3, JulySept 1978, F237-253

803037 M E ~ U D OF SrJDYI~ THE ~

AND DE~C~MAgIL-

ITY CF SOILS U ~ E R CONDITIONS OF ~ - D I M E N SIONAL STRESS Mus1~faev, A A; Eyubov, Y A SOil Meah Found Em@~g, VlS, N3, May-June 1978,

~ii-218 803038 DIRECTIONAL VANE ~ S FOR DIFFERENT CLAY FABRICS AND STRESS CONDITIONS Rose,lath, J L; Krizer, R J Soils Fou~d~ VI8~ N~, Sept 1978, Pl-ll 803039 C H A R A ~ I S A T I O N OF SHALE R~UATIVE TO ITS MECHANICAL DESRADABILITY Bailey, M J; Lovell, C W; Wood, L E Bull Aseoe ~ Geol, VI6, N2, spring 1979,

~41-266

8o3o4o GEOI~CHNICAL PROP~TIES OF THE C ~ O U S ~

OF THE ~ R I ~

OF ~

803043 CHANGES IN ROCK STRENGTH CAUSED BY WATER Broeh~ E Proc ~th Congress International SOciety for Rock Mechs~ics, M o t O r s , 2-8 Sept 1979, Vol i, I~I-75. Publ Rotterdam, A A Balkema,

1979 Relx~ts point load tests on dry and water saturated speeimems of a manber of different rocks. 80304~ CONI~IBUTION TO ~RE STUDY OF THE F U ~

F~YSlCAL-M~m~CAL ROCK P ~ s ~rychp J

(IN z ~ H )

Prec 4th Compress Inter~atio~1 Society for Rock Mechanles, MOntreux, 2-8 Sept 1979, Vol i, P77-80. Publ Rotterdam, A A BaLkema, 1979 Relx~ts investigations of rapid methyls of carryir~ out tests such as shearimg by VNIMI and double shearing, in relation to classical triaxial loading tests. 803045 PATH DEPENDENCY OF ROUGH JOINTS IN BI-DIRECTIONAL SHEARING Celestimo, T B; Goodman, R E Proc 411h CoDgress Im~ernational Society fOr Rock Mechanics, Montreux, 2-8 Sept 1979, Vol i, P91-98. Publ Rotterdam, A A Balkema,

1979

Reports results from four types of compaction tests. The static compaction method l~ovides the most %mif~rm relation ~ e n ag~yegate degradation, compaction effc~t and ecml~acted unit weight. Relates to the use of shales in ~ b ~ . fills. L

Describes a triaxlal apparatus developed at the Faculte Polytemhnique de Morns allowing 700 bars co~ining pressm~e and takimg diameter specimens.

AREA. THE i~LUENCE

A~ C~M~S~Y

Ai-Jassar, S H; Hawkims, A B Proc 4th Corner,s Intermational Society for Rock Meehsales, M ~ e u x , 2-8 Sept 1979, VOl i, P3-1~. Publ Rotterdam, A A Balkema,

19~9 RelXrts uniaxial compression tests amd mod~lu~ of elasticity meast~ements, ~risxial tests, cyclic losdlmg to failure, point load tests and Se/xmidt hamms~ tests.

Reports direct shear tests with rough Joints cast in plaster, amd proposes an empirical modal for bi-dira~tiomal slidir~. Some features of this model are suppar~ed thecretica/ly. 8 0 3 0 ~ RESIDUAL ~ STREN(E[~ OF FILLED JOINTS IN ROCK Kutter, H K; Bautenberg, A Proc 4th Congress Intermational Society for Rock Mechanics, Mo:~Areux, 2-8 Sept 1979, VOI i, P221-227. P~BI Rotte~lam, A A Balkema, 1979 The influence of filler thickness,

Joint roughhess and type of filling material was investigated by means of direct ~aear tests on sarastone Joints with thick fillers of sam~, clay and a mixture of %he two.