Strength of polycrystalline ice

123A

obtaiDed from o b s ~ a f ~ t o n t u b e s c~ p i e z c ~ e t e r s i n s t a l l e d i n t h e e c e ~ l e t e d b c ~ i ~ s . Each lx~te~, tielly ~ w a ~ r - b e a r i ~ zone should be moDitc~ed by a n o b s e ~ v a t i o n d e v i c e . I n s~ne c a s e s , t h e o b s ~ x ~ t i o n ~ b e s could be used fc~

low 1=~essuTe p m ~

in tests.

795226 DOCUMENTATION OF TUNNEL DATA (~n,

LE

Paper ~ r e ~ to Symposimn on Tu~aelll~g in New Zealamd, Hamil~on, 1977. NEIE Proc Tech Grps, V3, N3(G), i=5.1"5.13

Subjects Peripheral to Geomechanics 795227 ~

O N TO FINITE ~ m ~ N T ANALYSIS Nmcrie, D H; de Vries, G New York: Academic Press, 1978, 301P

Imcludes: basic comcepts of the finite eleme~ method, computer ~ o ~ r - ~ m ~ amd ccze ~ a g e l~Oblems, boumdary com~itioms, variatiomal calculus stud its applicatiom~ eleme~s aml their l~operties, s ~ applications of the method (eg Blame strai~ 3-dlmemelonel stress -~lysis). The book is Intended as an introduction to the subject for e~gineers a ~ scier~ists.

Concrete technology 795229 STUDY OF THE PROPAGRHON OF A CRACK IN A NONREIRFORC~ CONCRETE (IN FRENCH) SOk, M C B u l l L i a i s o n Lab Ponts Chaussees, N98, NovDec 1978, P73-~ 795230 SCME PROPertIES OF HIGH STRENGTH CONCRETE WITH HIGH ~'~'~.t~IVER ~ U C I ~ AGENE (IN JAPAI~S~) T a ~ s S; Watanabej A; Emoto~ Y Bull Eyo%~ Ins~ Teahnol, R35, SelM~ 1977, PI-10

S n o w and ice mechanics 795231 ~

OF POLYCRYSTALLINE ICE Michel, B Can J Civ E*~m~ VS, N3, Self~ 1978, F285-300

795232 MECHANICAL PROPm~TIES OF SEA ICE AS THEY INFLI~CE DESIGN CONSIDERATIONS Graff, W J Proc IxCermatiomsl Pipeline Te~h-nlogy Convention~ HOUSton~ 1977j P223-250 795233 COMPACTION PROPERTIES OF WET SNOW (IN JAPANESE) Muro, T Seppyoj V40~ N3, sept 1978, PLI0-I16 795234 ALTerNATE ST~ISTICAL INTERPRETATION OF THE ~ OF SNOW G~ler j H

J Glaciol, V20, ~83, 1978, P343-357

795228 BENTONITES. GE(EOGY, ~

, PROP--S IN S ~ ~ Y ~0 2~-)

AND USES ( m v ~ o ~ s G~Im, R E; Guven, N Amsterdam: Elsevier, 1978, 256P

Describes the geologic ar~ geographic occurremce of bentomites throu~aout t h e wccld arzl considers the variations in ~ e i r mineral a ~ chemical composition. Considers the physical properties of bentomites and t h e commercial usage. Attempts to co~relata t h e Im~operties with t h e fumdamemtel mineral and chemical chsracter of t h e b e n t o n i t e s.

795235 ACOUSTIC EMISSIONS AS INDICATORS OF ICE DEFORMATION AND DESTRUCTION PROCESSES (IN RUSSIAN) Gavriloj V P Tr Arkt Ax~arkt Na~r.h-lssled Iru~ LeDlr~rad I V359, 1978, PI18-126