~A
81221A~ HIGH CAPACITY S A M ~ USING A DRIT.LSTRING ANCHOR ZIxid'oerg, H M; Wlz~e, D In: Offah~m-e Site Inves%Iga%Icm, Procee4~mgs of t h e Cm~ereace held i n Lo~iom, March 1979, PI~9"I~7. P~BI L ~ n : ~ a h a m amd
81221~ A~m~CA~O~ OF ~
~ C
~ C ~ U ~ U ~ TO ~URVE~-
I~0 IN ROCK FOUNDATIONS Cla ~ o ~ , l ~ ; Llan6 2 ~ a r ~ Ahu Welshen Proc I ~ i o n a l Co~eren=e o~ Structural
Fo~mda~Aous on Rock, S ~ ,
7-9 May i~60,
P37-~2. Publ R c ~ n ~ s m : A A Ba/kema, I~80 Discusses ~ i n s £ p l e s af a c o u ~ c iog~ing, comPares ~ e ;~=mmeters ~ d~=amlc s=~ s~atic mechanics in rock masses, and gives some case studies.
Photographic techniques 812216 CASE FO~ T E ~ S Y R I A L I~OTOGRA~4ETRY IN DEEP-MINE ROCE STRLL'n%~RE STUDXES Ha~, T 0 Int J Rock Mech Min S@I, VI7, ~ , Aug 1980,
n91-zgs A method of rock fracture urlent~tlon m~pl~r~ by ~ho~o~ra~etrlc means is detailed, useful fur statistical s~aites of fracture pat~erus un~e~~ourd. The ~ d v ~ e s of con~enience~ efTiclency and high accuracy ~f dip ani dlp ~Irectlon measureme~s are s~reseed. Se@~ions cover the theory ~f terrestrial l~Ot~-amm=~#, the photc~aphlc e q u ~ I X ~ used a ~ the actual procedare, which involves cer~aln external con~ol measures. Phc~cc-interpreta~ion, ~ entry and prOcessing, with the aid of a stereoscope, ~ I z e r an~ mlnl-ccm~ar, are ou~llned. Two soirees of error ere ane.b'eod. Examples of labc~a~r~ anl fleld tests which show negli~lhle errurs in f r a c t u r e di~ a~d ~ r ~ e n t a t l o n a z ~ l e dee~n~na~.~c~s are g~ven. 812217 APPLICATION OF SATEL~TE ~ATA TO ~ A C ~ MINE MONITORING IN ~_JgCTED C O ~ S OF SOUTH CAROLINA Bayme, J N; La..~e~e, H U S ~ OFR 11-80, March 1979, l~iP Avail: NTIS, S~i:~leld, Va, 22161 USA (F~
8o-1~629)
Geophysical techniques See also: 812196
812Z18 G E O S 0 U ~
PRL~CIPLES i. RESISTIVITY s m a ~ i ~ ~ s (METNODS IN G ~ S T R Y A~D GEOPRTSlC S I~A) Koefoed, 0 Amsterdam: Elsevier, 1979, 276P
Describes newly developed ~ n i ~ e s , co:ce~tratl~ on ccm;m~ca~on method~ fc~ I:~:~retatlon of the d~ta. 812219 GEOSO~DING PRINCIPLES 2. TINE-VARYIN~ ~ C SOUNDINGS (METEODS IN GEOCHENISTRY AND GEOPRYSICS
I~B) Patra, H P; Ms//.ick, K AmsZerdam: Elsevier, i~0, ~IgP
Gives fux~tamentel equations on potentials flel~s ~ some approximate mathematlca~ methOds ani t h e n discusses the following methods: AC soundings, ira:slant soundings, magnetotellurlc and g e C ~ n e t i c sOundln6s. Gives examples of their application. 812220 B E ~ N - H O L E ACOUSTIC o~JRVEYIN~ AND MO~TCORING OF A GRANITIC ROCK MA.~S. TECHNICAL ~PfE Pauls~;n, B N P; King, M S Int J Rock Meeh Min Sol, VI7, ~5, Dec 19@0, F37!-376 Reports acoustlc monitoring between ~ boreholes cf lore depth in the vlclni~ of a heater b ~ e hole In the floor of a fl'Af~ in an abandoned iron ere nine in Sweden, an~ d_~vs conclusions regarding the fracture zones in the rock mass. 812221 TRANSmiSSION OF C C ~ S S I O N A L WAVES IN JOI~A'~D ROCK New~ B M; West, G E~ Geol, VI~, N3-~, March 1960, P151-161 RelX~ts lab and field tests to study the effect of ~olnta on the propag~lon of P ~aves in both weak end s t r o ~ r o c k s . The ~ e l d t e ~ t s were carried out at Chinnc~ (chalk) stud ~lelder Aquod~ct tur~el (sa:~sto:~, ~uds~or~). It is shown that relatively ~ ! i normal stresses are sufflcier£ tO close Joints acoustically, amd this effect Is discussed in relation to the interpretation of seismic velocity data for site investigation. 812222 APPLICATION OF HIGH R E S O L ~ O N ~ L T I C H ~ E L SEIS
Presentation and interpretation of data 81222~ ~A'~%~OLOGICAL INTerPRETATION OF JOINT TRACE DATA: I ~ E C~ JOINT SHAPE ARD IMPLICATIONS FOR GEOLOGICAL St~VEYS Warb~r%on, P M Int J Rock Mech Min Sci, V17, N6, Dec 1980, P30~-316 PTesents a new s~atls~Ical mo~el for the geo=e~ic~ ~ spa',Aal d 3 . s ~ i ~ a m , o f Jol~cs, inc~x~a~Ing a ~o~n~ ~ p e ~ on ~he ~aralleft, ram. The model is l ~ e d vlth 6~iogical surveys by ~ - ~ l ~ c a ~ l~e~tet~.ons c~ ~-ece patterns, c o v e r i n g a r e a az~ line s a m ~ , dist r i b u ~ A o ~ o f ~race lengths and a p a c ~ , a~d allowance for ~ u ~ a ~ i ~ . Implic~Aons f~r ~-olc~eal surveys are d~aeusNd in sc~e detail, t o ~ with ways cf obte/~/~g the parameters of the model frc~ field da~a. T~e significance of %he theory is that it s u ~ s ~ a a :my approach to d~ta collection and i n ~ e ~ l o n and establishes a stereolo~Ical f T a m ~ ~hat can readily allow fur future model developments.