Modeling of clay uplift resistance. Technical note

126A

786o30 ~ S ~ c ~ v ~ r~ ~ - v s u ~ m T E z c sm~a~ ~ m ~ uw ~ (m~m,m ~o~m%i,~, M s I ~ J ROe.k MeSh Min Sci, %r15, I~, J%~e 1978, PI0~-III

scope hS~S~ess. V~03~ ~

A lower bcmmd waa dm%~mine~ fc~ %he ex~erlmem%~l ~ e a ~ , cm/zsed1~y ~ a l rock varis~illty, in m e a s ~ m m ' ~ s of s~-ess-v~lume s ~ a i n . Ten similar, ~ o a % ~ t i c am~ %riaxlal ~ e e s l o n ~ s w ~ e pea-fccmed on Westerly ~r~r~te. The u n e ~ owimg %o rock ver~a~dl~%y was estimated by detem~mlr~ %he mean ara star~ard dewlatiOms of %he Vol~ae ~-a~na ~t amwe~'al s~resmee. These r e e m l t s ~ that a lower boua~ for e x p e r ~ ~ i ~ , i o n in masu,,emen%s of 9kTsieal ~ e s of reeks i s a ~ 20 eem% in absolute w~lume ~ a ~ n . ~nerefc~e, mcde.~ ~ ~ e c r e e ~ t e a l e f T c r t s aimed s~ b e t t e r deseX~bi~ limited data are not Justltled at %his time. OF BASE L ~ D ~ WALL 786031 INVESTIGATION OF ~ FOUI~XrfON OF THE NIZHNI ~OVGf~OD KREMLIN MsM-rOV~ E V Soil Mech F o m ~ En~r~, V13, N~, Sel~-Oct 1976, ~-3~ D e s c r i b e s ~ e measurement ~f %he ~¢"t,l e m e ~ in %he f ~ i o n of a wsll which is over ~ 0 years old am~ ;~c~It on 32 m of layered ~ i c o l c ~ r e d marls ( p e ~ of "~'*e T a t a r fozma~lon). From t h e s e mea~e, t h e mo~Alus of gemesm~ deformabil i t y Of %he ~ase so~l~ was calculated. 786o32 ELASTIC CALCULATION OF STRESSES A~D D T ~ S CREATED ~ AN ~ IN A L A Y ~ OF L~M,'i~u ~mmms (ZN m ~ ) Bam~:a%z, J L; M a r , ~ a n , B Bull LiaisOn Lab Pon~s Chaussees, Ng~, Msy-JUne 1978, P13-19 The calc%%lation is perfccmed in accc~ance with the % ~ of isc~rolKc linear elasticity in a soll ~msis%i.n~ of o r e ~ ~ homogeneous l a y e r s rea%Im~ on a rigid r c ~ s%~stra%um. The me%bed censia~s of bz,esk:ln~ down the unknown fcmctions (di~lacemem%s an~ s~resses) into Fc~ie~ series, thus sllewi~ a aeml-a2mlytic solution. The l~omedure is lllt~trated by a specific example, whimh ~esls wi~h t h e estimatiom of hc~izon%ml displsmements tu~e~ an embankment fc~ %he design of piles to be placed in the vicinity. 786033 STUDY OF DEF(~MATION CHABACT~qISTICS AND ANALYSES OF JOII~TED ROCK MASSES llda, R; Ho~o, H; Saito, K In: Nmmm'Ical Methods in ~emae~hardes (Papers to 2~l Im%aznationsl c o m r a d e , Black~b%~g, Va, June 1976), Vl, P232-2~2. Pt~l New York, ASCE, 1976

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Wei a~mch, G I~f~ J ROck Mee~h Min Sei, VIS, N3, Ju~e 1978, P13!-133 Describes a. s%'yl~s-~e i ~ developed t o allow a fairly quick r e ~ I s ~ $ o n of a g ~ ra~be~ of r c ~ m m e s ~ i l e ~ wi~ ~ amplitudes stud steep rises. ~%e h~n~zcm~d mevemen% of the stylus is no~ co~ilmous ~ i ~ ~ and eo~Cac,~ between %Be ~ e ~ %he reek e0d~s'~s Only at ~ e ]x~.r~s o f rest. A high accuracy of ~ e m m n t has been ~ i e v e ~ .

Time de e.dem

. to

786O36 THERMAL CYCLYN0 CRACKS IN T m ~ E I O - ~ J S ROCKS ~ , G; Cooper, H W Int J Rock Meeh Min Sei, VlS, ~ , Aug 1978, m45-i~8 The s l ~ heating and eoollmg of Westerly graz~te and two dia~ases at i arm ~easure az~ atures up to 900 deg C p , . ~ u e e s ~ c k s ~.'I~, relatively low crank closure l~essm~es. The volume of rmw cracks d e ~ ex_p,~~ially on %he maximt~m "P,.,ez~ec,sd;~'e. ~ I ~ data eCme~it~e a calibre%ion of these three rocks in ~ sense %hat s u i t e s of samples in whlc~ crs2k Ix~rosity is the only vaz~able may now be p r e l ~ 0 ~ . in t h e lab~a-a~. 786037 MODELDD OF CLAY UPLY~T RESlSTAN~E. TECHNICAL NOTE Davie, J R; SutheTlard, R B J Ge~ce~h E ~ D I v , ASCE, VIOl, N~T6, 5-76o 1978, ~755"7 Shews by means of dimen~iomal araly~s when caution must be exercised in intea-pmetlm~ %he results of model uplift resla%az~e tests in clay in terms of the prototype. 786038 INVESTIGATION OF SOIL CGMPACTION-ZO~E AROUND S~0RT T ~ PILES FROH S0m~I~S ~ A Zo%se~ko, N L; Vs~Idov, M ~; E~ezin, V I SOil Mseh Foumd Engng, VI3, N~, Sep%-0ct 1976, P315-318 R e l ~ s ~ e use of ~ e ~ i ~ t h e s o m ~ n s n~P.ao~ in ~ o f eo

.tea zo,

~

m.~ s.nd dev~lotmen~

s in dry

%he ~ m p a ~ l o n zone we., having sm~y az,Z ~ o f fine q~,%z saz~ ~%h a vez~a%le ~ e r

786o3~ ~ ~

Mm,mm)s F(m ~ ~ E ~ D ~ S S A~D 0F R~CKS l~omal SOCiety fc~ ROck Mmcha~Ics, Cmmm~Ud.on on S~am~az~ias~iom of Y~sra~cry sun~ Field T e s t s In~ J Rock Mech Min Sci, VIS, N3, J~mm 1978, ~8~97

l~e~lews saxl 1-~f~r~es a ra~MbeT of me~ho~Is in use and d i s c u s s e s 3 's~g~es%~d me~ho~s' in mere detsil: deT~nlna%ion of %he resistance to ab-

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m~v ~ ~ ~t~ ~ a s a r e m i t of •'d~e fcc~P.J.on o f Mmblti~.*,~ e ~ M . o n be'meen t he grains.