- Email: [email protected]
Behaviour of anchor plates in sand
9tA
824168 USE OF SHOTCRETE TO INCREASE THE RATE OF ROADWAY DRIVAGE (IN GFI~&4N) Riedel, H; Scbm~idt~ K Neue Bergbsutech, VII, NS, Aug 19~i, P443-447 Improvements to shotcreting equipment ~re described° The costs and advantages of anchor and shotcrete support a~e pointed out.
Bolts and anchors 824169 STRATA REINFORCI~ENT WITH BOLTING AND WIRE-ROPE SYST~{s - A C£~'[R~TIVE. sTIIDYo TECHNICAL NOTE Raju~ N H; Ghose~ A K Int J Rock '4eeh Hin Sci~ VI9, N2, April 1962~ PI03-!06 Model be'm~ tests were c ~ r i e d out for models without reinforcement~ '..rithbolts~ with the rope stitching system~ ~ni with both. It is concluded that: reinforcement is increased with inclined bolts (60 deg) comp,~ed with vertical bolts, a steel strap conneetin~ the bolts increased reinforcement, wire-rope stitching was the most effective support method with increased reinforcement if supplement~Tf bolts were used. 824170 BFff4AVIO~R OF ANCHOR PIJ~'~ES IN CLAY
Rowe~ R K; D a v i s , E t t G e o t e c h n i q u e ~ V32~ N!, March 19~2, P9-23 A finite element stt~dy of the undrained behaviour of anchor pb~tes in homogeneous, isotropic, saturated clay is reported° The influence of anchor embe~nent~ layer depth~ overburden !~ressure~ bree~kaway condition anl anchor roughness~ thickness and shape on the failure mechanism an& anchor c s ~ c i t y is discussed. Comparison of results with results from model tests curried out for anchors with a vertical] sxis anl other ~ { i l a b l e experimental data shows encourai~ir~Z :~greement. The behaviour of anchor plates in sand is considered in a coml~'~nion paper (see item 824!7]). 29 refs. 824171 BY~{AVIOUR OF ANCHOR PL,V~~ IN SAND E~,ce, R K; Davis, E H Geoted~nlquej V32~ ~.N, !4~eh i ~ 2 ,
P25-41
824172 mechnol,
The bolt is bonded with c~rb~umide resin premixed with an aqueous solution of oxalic acid° This mixture is applied with ~n injector. 824]74 ROCKTBOLT WITH Sv~,\G AND SILICA BINDER (IN RUSSIAN) Nepomr~d shchii~ S I S%skhtnoe Stroit, ~6, June 1981, P23-24 824175 S ~ AND POLYMER BOLTING FOR Pq N E ENTRIES (IN RUSSIAN) Bolikov~ V E gha-khtnoe Stroit~ N ~ April 1981, P30 824176 D E V ~ O P I N G A ~ [~iETHOD FOR ROOF SUPPORT USING SONIC PIN-SETTING MACHINEs Horris~ R L; Purcupile~ J C US Bureau of Hines report OF~ 7-82, 21 Dec 1977, 95P Describes the d e v e l o ~ e n t and testing of a first generation sonic pin-selting m~chine that uses an oscillating force to insert roof plns in a n~ine roof. A theoretical m~]el tb.t wss developed is shown°
Soil stabilisation 824177 CONSOLIDATION OF W%TERLOCGED F7~S: :;A}~S WI~{ CAR~IMIDE RESIN (IN RUSSIAN) O~ichenko~ P P Shsk-htnoe 8troit~ N4, "~pril 19JR, P29-30 Resin was injected at i n c r e a s i ~ pressure through 60r~ boreholes 0.4-0.6m lone, to prevent migr:~tion of the sand surroundirc ~ s h ~ t . As result of resin injection much of the groutSwater present w~s e l i m i ~ t e d ~
Soil compaction
Describes a theoretical investigation (usir~ an elasto-plmstic finite element '~r~iysis) of the behaviour of ::nchor p b~.tes in sand~ considering the effects of anchor e ~ e d m e n t ~ friction angle~ dilatancy, i~Itial stress state and anchor rollg~hess for plates ~zlth a vertical or horizontrC~ axis. Collapse loads sre obsei~ved to increase sensibly with embedment. ~oil dilatancy and anchor roughness m e Fou~l to significantly affect ~nchor c~g~city, but the effect of initial stress state on collapse lo~d is small for typical eases. The theoretic.eL results -~re c o m p ~ e d w i t h model test results and experimental data~ and then extended to the e:~se of coheslve-frictional soils. The beh~viour of anchor plates in clay is considered ir ~ compandon paper (see item 824170).
Co~! c i
824173 CH]~4ICAL OROb~f BOLT OPEP~TES wl~[0ur AM!~OULE (IN RUSSIAN) Pustobrikov~ V N; Dzaurov~ H A S%~tnoe Stroit~ NI0, Oct 198], P27
r..~, I 96-]~ P9-13
Reviews the use of boltin~ ~nd shoteretir~ in the Ji~.ncxi provlnce~ Chin;~., ~nd c o m p ~ e s this support method with other tunnel suf[)ort methods. It is concluded th'~t this ~eth~l is not suitable for use in we~k strata '~nflbroken soft rock.
824178 BOOHINO BUSINEss IN WlCK DR?,IN ~orrisonj A Civ Engng, ~_, V53, N3, Y~rch ! ~ 2 ,
Ph7-51
Discusses the development ,~ri r~oid increase in use of wick dry,ins as a method of consolidation to improve weak~ m~tur ~ted soils ~t comstruction sites.
l:reezing 824179 GAP FR~,ZING SO[,\N~2 OROIK',~..;AT~R NROBKS'" VOR DUIsB~RG }.fS~?RO W e i l e r , A; V~.~t~ J Tunn T u n n l g , ~ 3 , ~'~N, Dec I ~ i ! , P31-34 Reports construction of ~ st~tlon for the Duisburg metro, West Germany, in which g~Jps in the diali~r~gm w~mlls were closed by freexlrg~ during construction urrl l:~ter r e - o ~ n ~ ] to ~llow the ~'oundwater to f l ~ ~g'dn. 824180 GROUND FIKEEZING TO ~[NK A HINE ~ T : ~ T L ~ I O N IN A I~\GOON Frostj R J BHP Tech Bull, V?5, N2, Nov ] ~ j ~ 0 - 6 7
~HAFT
824168 USE OF SHOTCRETE TO INCREASE THE RATE OF ROADWAY DRIVAGE (IN GFI~&4N) Riedel, H; Scbm~idt~ K Neue Bergbsutech, VII, NS, Aug 19~i, P443-447 Improvements to shotcreting equipment ~re described° The costs and advantages of anchor and shotcrete support a~e pointed out.
Bolts and anchors 824169 STRATA REINFORCI~ENT WITH BOLTING AND WIRE-ROPE SYST~{s - A C£~'[R~TIVE. sTIIDYo TECHNICAL NOTE Raju~ N H; Ghose~ A K Int J Rock '4eeh Hin Sci~ VI9, N2, April 1962~ PI03-!06 Model be'm~ tests were c ~ r i e d out for models without reinforcement~ '..rithbolts~ with the rope stitching system~ ~ni with both. It is concluded that: reinforcement is increased with inclined bolts (60 deg) comp,~ed with vertical bolts, a steel strap conneetin~ the bolts increased reinforcement, wire-rope stitching was the most effective support method with increased reinforcement if supplement~Tf bolts were used. 824170 BFff4AVIO~R OF ANCHOR PIJ~'~ES IN CLAY
Rowe~ R K; D a v i s , E t t G e o t e c h n i q u e ~ V32~ N!, March 19~2, P9-23 A finite element stt~dy of the undrained behaviour of anchor pb~tes in homogeneous, isotropic, saturated clay is reported° The influence of anchor embe~nent~ layer depth~ overburden !~ressure~ bree~kaway condition anl anchor roughness~ thickness and shape on the failure mechanism an& anchor c s ~ c i t y is discussed. Comparison of results with results from model tests curried out for anchors with a vertical] sxis anl other ~ { i l a b l e experimental data shows encourai~ir~Z :~greement. The behaviour of anchor plates in sand is considered in a coml~'~nion paper (see item 824!7]). 29 refs. 824171 BY~{AVIOUR OF ANCHOR PL,V~~ IN SAND E~,ce, R K; Davis, E H Geoted~nlquej V32~ ~.N, !4~eh i ~ 2 ,
P25-41
824172 mechnol,
The bolt is bonded with c~rb~umide resin premixed with an aqueous solution of oxalic acid° This mixture is applied with ~n injector. 824]74 ROCKTBOLT WITH Sv~,\G AND SILICA BINDER (IN RUSSIAN) Nepomr~d shchii~ S I S%skhtnoe Stroit, ~6, June 1981, P23-24 824175 S ~ AND POLYMER BOLTING FOR Pq N E ENTRIES (IN RUSSIAN) Bolikov~ V E gha-khtnoe Stroit~ N ~ April 1981, P30 824176 D E V ~ O P I N G A ~ [~iETHOD FOR ROOF SUPPORT USING SONIC PIN-SETTING MACHINEs Horris~ R L; Purcupile~ J C US Bureau of Hines report OF~ 7-82, 21 Dec 1977, 95P Describes the d e v e l o ~ e n t and testing of a first generation sonic pin-selting m~chine that uses an oscillating force to insert roof plns in a n~ine roof. A theoretical m~]el tb.t wss developed is shown°
Soil stabilisation 824177 CONSOLIDATION OF W%TERLOCGED F7~S: :;A}~S WI~{ CAR~IMIDE RESIN (IN RUSSIAN) O~ichenko~ P P Shsk-htnoe 8troit~ N4, "~pril 19JR, P29-30 Resin was injected at i n c r e a s i ~ pressure through 60r~ boreholes 0.4-0.6m lone, to prevent migr:~tion of the sand surroundirc ~ s h ~ t . As result of resin injection much of the groutSwater present w~s e l i m i ~ t e d ~
Soil compaction
Describes a theoretical investigation (usir~ an elasto-plmstic finite element '~r~iysis) of the behaviour of ::nchor p b~.tes in sand~ considering the effects of anchor e ~ e d m e n t ~ friction angle~ dilatancy, i~Itial stress state and anchor rollg~hess for plates ~zlth a vertical or horizontrC~ axis. Collapse loads sre obsei~ved to increase sensibly with embedment. ~oil dilatancy and anchor roughness m e Fou~l to significantly affect ~nchor c~g~city, but the effect of initial stress state on collapse lo~d is small for typical eases. The theoretic.eL results -~re c o m p ~ e d w i t h model test results and experimental data~ and then extended to the e:~se of coheslve-frictional soils. The beh~viour of anchor plates in clay is considered ir ~ compandon paper (see item 824170).
Co~! c i
824173 CH]~4ICAL OROb~f BOLT OPEP~TES wl~[0ur AM!~OULE (IN RUSSIAN) Pustobrikov~ V N; Dzaurov~ H A S%~tnoe Stroit~ NI0, Oct 198], P27
r..~, I 96-]~ P9-13
Reviews the use of boltin~ ~nd shoteretir~ in the Ji~.ncxi provlnce~ Chin;~., ~nd c o m p ~ e s this support method with other tunnel suf[)ort methods. It is concluded th'~t this ~eth~l is not suitable for use in we~k strata '~nflbroken soft rock.
824178 BOOHINO BUSINEss IN WlCK DR?,IN ~orrisonj A Civ Engng, ~_, V53, N3, Y~rch ! ~ 2 ,
Ph7-51
Discusses the development ,~ri r~oid increase in use of wick dry,ins as a method of consolidation to improve weak~ m~tur ~ted soils ~t comstruction sites.
l:reezing 824179 GAP FR~,ZING SO[,\N~2 OROIK',~..;AT~R NROBKS'" VOR DUIsB~RG }.fS~?RO W e i l e r , A; V~.~t~ J Tunn T u n n l g , ~ 3 , ~'~N, Dec I ~ i ! , P31-34 Reports construction of ~ st~tlon for the Duisburg metro, West Germany, in which g~Jps in the diali~r~gm w~mlls were closed by freexlrg~ during construction urrl l:~ter r e - o ~ n ~ ] to ~llow the ~'oundwater to f l ~ ~g'dn. 824180 GROUND FIKEEZING TO ~[NK A HINE ~ T : ~ T L ~ I O N IN A I~\GOON Frostj R J BHP Tech Bull, V?5, N2, Nov ] ~ j ~ 0 - 6 7
~HAFT