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Geotechnical engineering applications to tailings dams. Conference. Preprint
%A
head supports were provided to prevent intrusion of hydraulic fill materials into the mi1%e drifts. Instrumentation was installed through several of these bulkheads to m e a d e horizontal stresses on the bulkheads and p~re-water pressures at several points in the fill.
913 MURRAY, RE Surface miniDg. 1974 Ann~al review. MIN.ENGNG, AIME V27, 2,FEB.1975, P64A-64B.
Embankments and e m b a n k m e n t dams
9o7
VRTROV,IA BALADINSKII, VL BARANNIKOV, VF Excavation of hard rocks. Textbook. In Russian with Erglish table of contents. 147R. KIEV, BUDIVALNIK, TA740. R39,1973, 352P.
Experimental and numerical techniques. 9o8 MOSSMAN, RW HEIM,GE Seismic exploration applied to underground excavation problems. 12F, IT, 4R. PROCE~DINGS RETC. AI~94PEjNEW YOHK, USA,VI,1972,PI69-192. This paper discusses the application of seismic exploration techniques to e~gineering problems with particular reference to vlbroseis techniques. Case histories of tunnel construction and mining are used to illustrate the application of seismic investigation to u_ndergrour~ tunneling.
Surface structures See also abstracts:
818,983.
~9 JESKE, T TECH. UNIV. LODZ, PL PRZEDECKI, T TECH. UNIV .LODZ,PL The Rankine ~ressure theory in the light of kinematics of grar~ar medium. Conference. Session three. 6F,7R. PROC.EIGH~ INT.CONF.ON SOIL MECH.FOUND.ENGNG, MOSCOW, 1974,V2. Ij 1974, P14~-154. The possibility of construetir~ a kinematic solution cCa~respondlng to that of static by Rankine, assuming negligible volume changes and motion of the retaining wall, is considered. A detailed analysis of velocity fields from model tests ~ s l~esented and used to obtain a diagram of the pressure distribution. 910 BRAWNE~, CO GOLD~, BRAWNER ASSOC. VANCOUVER, CDN stability in open pit mining. Conference. Preprint. 29F,25R. PROC. 27TH CANADIAN GEOTECHNICAL CONF. EDMONTON, NOV. 1974, P45-57. The first section of %Ahls paper briefly discusses the concepts of pit slope design and reviews the present capability fo~ rational determination of pit slope angle which optimizes econcmlics and safety. The second section contair~ illustrative ease examples. 911 GRONOV, AI Design arzl construction of hydraulic structures on permafrost. US ARMY C.R.R.E.L. TRANSLATION FROM RUSSIAN. ADAO 003 317,TL416, SEPT.1974,15P. 912 TEETERS, DD Open pit mining. 1974 Annual review. MIN.ENSNG, A]}4E,V27,2,FEB.1975,PS1-52.
914 KOLUBEC, I Geotec/Imical aspects of coal waste e ~ a ~ n t s . Conference. Pre~int. 14F. PROC.27TH CANADIAN GEOYECHNICAL CONF.EDMONTON, NOV. 1974, 38P. 915 TSVID, AA Freezing of an earth dam from the dry slope side. 6R. US ARMY C.R.R.E.L. ~%~NSI~ION FROM RUSSIAN. ADA 003 216,TL430, DEC •1974,16P. 916 DOOLITTLE, JA CO~SEj DAVIS ASSOC.PASADENA,USA SACK, EL UNIV. IDAHO, MOSCOW, USA SCHUSTER, EL UNIV. IDAHO, MOSCOW, USA Effect of a retaining-wall-supped berm on the stability of a tailir~s dam. IOF,2T,10RI TRANS. SOC .MIN.ENGR.AIME, V2~6, 4,DEC .1974,P265-272 • The material in the dam was idealized as a two-ls~vered system with the phreatic surface delineating the boundary between the layers. The effect of variation in height of the bern was examined fc~ tailirg~ dsm, with three different, cc~aonly occ~rrlng slopes. The stresses and displ~emez~ts were obtair~d usir~ the finlte element method. The stresses obtained in the finite elemer~ analyses were used in conventional slope stability analyses assigning circular f a i l u r e surfaces. The rem~Its of the study show that the use of retainlr~wall-suplx~edberm is an effective means of improving the stability of a tailings dam. This increased stability is greater for dams with steeper slopes, In addition~ the increase in factor Of safety is particularly notable for berm heights less than 25% of the height of the dam.
Dams other than e m b a n k m e n t dams 917 PHUKAN, A Geotechnical engineering applications to tailings dams. Conference. Preprlnt.10F,6E. PROC.27TH CANADIAN GEOTECHNICAL CONF.EDMON~ON, NOV. 1974, 21P.
918 SHIELDsj DH UNIV. OTTAWA, ONT. CDN Innovations in railings disposal. Conference. Preprlnt. 3F~ IR. PROC.27TH cANADIAN GEOTECHNICAL CONF.EDMOETON, NOV. 1974, P67-70.
919 KI/LIKOVIIG Optimal height of a dam for preservation of bearing ground in a frozen state. US AI~4Y C.R.R.E.L. TRANSLATION FROM RUSSIAN. ADA 003 318, TL451, JAN. 1975,6P.
Foundations See also abstract:
814.
CERNAK, B Effect of suspension on skin friction in sarzls.
head supports were provided to prevent intrusion of hydraulic fill materials into the mi1%e drifts. Instrumentation was installed through several of these bulkheads to m e a d e horizontal stresses on the bulkheads and p~re-water pressures at several points in the fill.
913 MURRAY, RE Surface miniDg. 1974 Ann~al review. MIN.ENGNG, AIME V27, 2,FEB.1975, P64A-64B.
Embankments and e m b a n k m e n t dams
9o7
VRTROV,IA BALADINSKII, VL BARANNIKOV, VF Excavation of hard rocks. Textbook. In Russian with Erglish table of contents. 147R. KIEV, BUDIVALNIK, TA740. R39,1973, 352P.
Experimental and numerical techniques. 9o8 MOSSMAN, RW HEIM,GE Seismic exploration applied to underground excavation problems. 12F, IT, 4R. PROCE~DINGS RETC. AI~94PEjNEW YOHK, USA,VI,1972,PI69-192. This paper discusses the application of seismic exploration techniques to e~gineering problems with particular reference to vlbroseis techniques. Case histories of tunnel construction and mining are used to illustrate the application of seismic investigation to u_ndergrour~ tunneling.
Surface structures See also abstracts:
818,983.
~9 JESKE, T TECH. UNIV. LODZ, PL PRZEDECKI, T TECH. UNIV .LODZ,PL The Rankine ~ressure theory in the light of kinematics of grar~ar medium. Conference. Session three. 6F,7R. PROC.EIGH~ INT.CONF.ON SOIL MECH.FOUND.ENGNG, MOSCOW, 1974,V2. Ij 1974, P14~-154. The possibility of construetir~ a kinematic solution cCa~respondlng to that of static by Rankine, assuming negligible volume changes and motion of the retaining wall, is considered. A detailed analysis of velocity fields from model tests ~ s l~esented and used to obtain a diagram of the pressure distribution. 910 BRAWNE~, CO GOLD~, BRAWNER ASSOC. VANCOUVER, CDN stability in open pit mining. Conference. Preprint. 29F,25R. PROC. 27TH CANADIAN GEOTECHNICAL CONF. EDMONTON, NOV. 1974, P45-57. The first section of %Ahls paper briefly discusses the concepts of pit slope design and reviews the present capability fo~ rational determination of pit slope angle which optimizes econcmlics and safety. The second section contair~ illustrative ease examples. 911 GRONOV, AI Design arzl construction of hydraulic structures on permafrost. US ARMY C.R.R.E.L. TRANSLATION FROM RUSSIAN. ADAO 003 317,TL416, SEPT.1974,15P. 912 TEETERS, DD Open pit mining. 1974 Annual review. MIN.ENSNG, A]}4E,V27,2,FEB.1975,PS1-52.
914 KOLUBEC, I Geotec/Imical aspects of coal waste e ~ a ~ n t s . Conference. Pre~int. 14F. PROC.27TH CANADIAN GEOYECHNICAL CONF.EDMONTON, NOV. 1974, 38P. 915 TSVID, AA Freezing of an earth dam from the dry slope side. 6R. US ARMY C.R.R.E.L. ~%~NSI~ION FROM RUSSIAN. ADA 003 216,TL430, DEC •1974,16P. 916 DOOLITTLE, JA CO~SEj DAVIS ASSOC.PASADENA,USA SACK, EL UNIV. IDAHO, MOSCOW, USA SCHUSTER, EL UNIV. IDAHO, MOSCOW, USA Effect of a retaining-wall-supped berm on the stability of a tailir~s dam. IOF,2T,10RI TRANS. SOC .MIN.ENGR.AIME, V2~6, 4,DEC .1974,P265-272 • The material in the dam was idealized as a two-ls~vered system with the phreatic surface delineating the boundary between the layers. The effect of variation in height of the bern was examined fc~ tailirg~ dsm, with three different, cc~aonly occ~rrlng slopes. The stresses and displ~emez~ts were obtair~d usir~ the finlte element method. The stresses obtained in the finite elemer~ analyses were used in conventional slope stability analyses assigning circular f a i l u r e surfaces. The rem~Its of the study show that the use of retainlr~wall-suplx~edberm is an effective means of improving the stability of a tailings dam. This increased stability is greater for dams with steeper slopes, In addition~ the increase in factor Of safety is particularly notable for berm heights less than 25% of the height of the dam.
Dams other than e m b a n k m e n t dams 917 PHUKAN, A Geotechnical engineering applications to tailings dams. Conference. Preprlnt.10F,6E. PROC.27TH CANADIAN GEOTECHNICAL CONF.EDMON~ON, NOV. 1974, 21P.
918 SHIELDsj DH UNIV. OTTAWA, ONT. CDN Innovations in railings disposal. Conference. Preprlnt. 3F~ IR. PROC.27TH cANADIAN GEOTECHNICAL CONF.EDMOETON, NOV. 1974, P67-70.
919 KI/LIKOVIIG Optimal height of a dam for preservation of bearing ground in a frozen state. US AI~4Y C.R.R.E.L. TRANSLATION FROM RUSSIAN. ADA 003 318, TL451, JAN. 1975,6P.
Foundations See also abstract:
814.
CERNAK, B Effect of suspension on skin friction in sarzls.