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Study on the stability of rock slope
42A 881334 Stabihty evaluation of some urban rock slopes m a transient groundwater regune Rlchards, L R, Coy, land, J W In: Rock Engineering and Excavatmn m an Urban
Enmronment (papers to the conference, ['long Kong, 24-27 February, 1986) P357-363 Publ London IMM. 1986 The stabthty of a number of excavated slopes m jointed granite m Hong Kong ~as studied Field and laboratory investigations are described Fadure mechamsms and stabthty condtuons were deterrmned The stablhty of one slope was found to be particularly sensitive to groundwater conditions A ptezometnc study prowded useful tnformaUon about transient groundwater rises along continuous jomts dunng tropical ramfall, and showed that joint water pressure distributions are significantly different from those normally assumed 881335 Rock slope study and stabilization in Pittsburg, Pennsylvania: a case history Speck, R C, Bruhn, R W In: Rock Engineering and Excavation in an Urban
Enmronment (papers to the conference, Hong Kong, 24-27 February, 1986) P381-396 Pubi London IMM, 1986 A major rockfall occurred in 1978 on Duquesne Bluff, a series of nearly flat sedimentary rock umts, containing tectomcally mduced joints, stress rehef jomts, and jomts formed by wetdry, freeze-thaw cycles Four primary failure mechamsms were identified, falling, toppling, shdmg, and degradation The slope was subdivided into zones based on the consideration of potential of a partxcular mode of fadure, consequence of fadure, and most prommng correction method No smgle remedml measure was appropriate, and procedures used included construcuon of a concrete band to retard weathering of a soft rock stratum, rock tnmmmg, and bolts and wire mesh 881336 Development of a new approach to slope stability assessment in UK surface coal mines Smgh, R N , Brown, D J, Denby, B, Croghan, J A In: Ground Movement and Control Related to Coal Mining
(papers to the Symposium, lllawarra, August 1986) P57-63 Publ Parkwlle Aus[MM, 1986 An mstabthty database of 26 variables relating site, geology, geometry, conditions, history, and excavation method has been assembled from records of past slope stabdity problems m UK open pit coal mines The database ts used to assess slope stabdity using the concept of a stabdlty index which relates to the probabdRy of failure of a slope This mdex is incorporated m a new mine design system, which enables stabthty contoured mine planes to be produced using standard exploration mformatton 881337 Case e x m p l e s of stability on surface mining projects Brawner, C O In: Ground Movement and Control Related to Coal Mining
(papers to the Symposium, lllawarra, August 1986) P64-73 Publ Parkvdle AusfMM, 1986 Five primary factors control slope stabthty m surface mmmg These are structural geology, the most important factor, the existence of weak layers, usually clayey gouge or clay refill, groundwater, blasting, and weathermg Case histories of many slope failures caused by these factors are presented and methods of mlugatmg problems and assessing stabdlty discussed
881338 Wave-reduced instabdity of offshore infinite slopes, a probabilistic analysis Rahman, M S, Jaber, W Y
Proc Sixth (1987) International Mechamcs and Arcuc Engineering Symposium, Houston, 1-6 March 1987 VI, P411416 Publ Nen York ASME, 1987 GravRy reduced shear stresses and pressure assocmted wRh propagating water waves may cause shear failure of soft clay sediments on sea bed slopes and lead to marme landslides A procedure to evaluate the probabdtty of fadure and to identify potentmlly unstable slopes ts presented Numerical results of analyses of case studies are also shown
881339 Perspective on landslide dams Schuster, R L, Costa, J E In: Landslide Dams: Processes Risk and Mitigation (papers
to the conference, Seattle, 7 April 1986) PI-20 Publ New York ASCE. 1986 (ASCE Geotechmcai Special Pubhcatwn No 3) The types of mass movement causing landshde dams, rock and sod slumps and shdes, sohfluctton, and rock and debris avalanches, failure mltmtlon, geographic settings, and failure modes, failure causes and longevity of landshde dams are reviewed Th~s phenomenon ~s little studsed, and areas where further work Is warranted are outhned
881340 1983 landshde dam at Thistle, Utah Kahser, B N, Fleming, R W In: Landslide Dams: Processes Risk and Mitigation (papers
to the conference, Seattle. 7 Aprd 1986) P59-83 Publ New York ASCE, 1986 (ASCE Geotechmcal Special Pubhcatwn No 3) A landshde, reactivation of old landslide debris, caused a 50m deep lake,which has subsequently been drained The shde moved over 150m on a slope of about 10 deg Post disaster investigation revealed a moderately plastic gravelly clay shdmg on a trough shaped depression in bedrock Extremely high precipitation ts thought to be the tnggenng factor Movement has nearly stopped, but high pore pressures and lateral stresses stdi exist The event, history of movement at the site, geological conditions, and the current state of the shde are exatmmed
881341 Geomechamcs for slope design at Chuqmcamata Mine, Chde Manuel, R C, Gulllermo, K L
Proc International Symposium on Engineering in Complex Rock Formations, Beijing, 3-7 November, 1986 P399-407 Publ Beijmg Science Press. 1986 The geomechantcs program at this large open pit copper mine from 1968 to the present is described A database of Chuqmcamata rocks has been estabhshed, 2- and 3-dimensional finite element algorithms have been developed for slope analys~s, RQD based geostattsucs have been employed, and in sRu momtonng of natural and mmmg stresses and wbrattons has been employed This program has allowed excavauon to proceed wRhout major hindrance Methods used in slope dessgn are described wRh emphasis on control of critical slope secUons on the mine perimeter
© 1988 Pergamon Press pie Reproduction not permitted
Enmronment (papers to the conference, ['long Kong, 24-27 February, 1986) P357-363 Publ London IMM. 1986 The stabthty of a number of excavated slopes m jointed granite m Hong Kong ~as studied Field and laboratory investigations are described Fadure mechamsms and stabthty condtuons were deterrmned The stablhty of one slope was found to be particularly sensitive to groundwater conditions A ptezometnc study prowded useful tnformaUon about transient groundwater rises along continuous jomts dunng tropical ramfall, and showed that joint water pressure distributions are significantly different from those normally assumed 881335 Rock slope study and stabilization in Pittsburg, Pennsylvania: a case history Speck, R C, Bruhn, R W In: Rock Engineering and Excavation in an Urban
Enmronment (papers to the conference, Hong Kong, 24-27 February, 1986) P381-396 Pubi London IMM, 1986 A major rockfall occurred in 1978 on Duquesne Bluff, a series of nearly flat sedimentary rock umts, containing tectomcally mduced joints, stress rehef jomts, and jomts formed by wetdry, freeze-thaw cycles Four primary failure mechamsms were identified, falling, toppling, shdmg, and degradation The slope was subdivided into zones based on the consideration of potential of a partxcular mode of fadure, consequence of fadure, and most prommng correction method No smgle remedml measure was appropriate, and procedures used included construcuon of a concrete band to retard weathering of a soft rock stratum, rock tnmmmg, and bolts and wire mesh 881336 Development of a new approach to slope stability assessment in UK surface coal mines Smgh, R N , Brown, D J, Denby, B, Croghan, J A In: Ground Movement and Control Related to Coal Mining
(papers to the Symposium, lllawarra, August 1986) P57-63 Publ Parkwlle Aus[MM, 1986 An mstabthty database of 26 variables relating site, geology, geometry, conditions, history, and excavation method has been assembled from records of past slope stabdity problems m UK open pit coal mines The database ts used to assess slope stabdity using the concept of a stabdlty index which relates to the probabdRy of failure of a slope This mdex is incorporated m a new mine design system, which enables stabthty contoured mine planes to be produced using standard exploration mformatton 881337 Case e x m p l e s of stability on surface mining projects Brawner, C O In: Ground Movement and Control Related to Coal Mining
(papers to the Symposium, lllawarra, August 1986) P64-73 Publ Parkvdle AusfMM, 1986 Five primary factors control slope stabthty m surface mmmg These are structural geology, the most important factor, the existence of weak layers, usually clayey gouge or clay refill, groundwater, blasting, and weathermg Case histories of many slope failures caused by these factors are presented and methods of mlugatmg problems and assessing stabdlty discussed
881338 Wave-reduced instabdity of offshore infinite slopes, a probabilistic analysis Rahman, M S, Jaber, W Y
Proc Sixth (1987) International Mechamcs and Arcuc Engineering Symposium, Houston, 1-6 March 1987 VI, P411416 Publ Nen York ASME, 1987 GravRy reduced shear stresses and pressure assocmted wRh propagating water waves may cause shear failure of soft clay sediments on sea bed slopes and lead to marme landslides A procedure to evaluate the probabdtty of fadure and to identify potentmlly unstable slopes ts presented Numerical results of analyses of case studies are also shown
881339 Perspective on landslide dams Schuster, R L, Costa, J E In: Landslide Dams: Processes Risk and Mitigation (papers
to the conference, Seattle, 7 April 1986) PI-20 Publ New York ASCE. 1986 (ASCE Geotechmcai Special Pubhcatwn No 3) The types of mass movement causing landshde dams, rock and sod slumps and shdes, sohfluctton, and rock and debris avalanches, failure mltmtlon, geographic settings, and failure modes, failure causes and longevity of landshde dams are reviewed Th~s phenomenon ~s little studsed, and areas where further work Is warranted are outhned
881340 1983 landshde dam at Thistle, Utah Kahser, B N, Fleming, R W In: Landslide Dams: Processes Risk and Mitigation (papers
to the conference, Seattle. 7 Aprd 1986) P59-83 Publ New York ASCE, 1986 (ASCE Geotechmcal Special Pubhcatwn No 3) A landshde, reactivation of old landslide debris, caused a 50m deep lake,which has subsequently been drained The shde moved over 150m on a slope of about 10 deg Post disaster investigation revealed a moderately plastic gravelly clay shdmg on a trough shaped depression in bedrock Extremely high precipitation ts thought to be the tnggenng factor Movement has nearly stopped, but high pore pressures and lateral stresses stdi exist The event, history of movement at the site, geological conditions, and the current state of the shde are exatmmed
881341 Geomechamcs for slope design at Chuqmcamata Mine, Chde Manuel, R C, Gulllermo, K L
Proc International Symposium on Engineering in Complex Rock Formations, Beijing, 3-7 November, 1986 P399-407 Publ Beijmg Science Press. 1986 The geomechantcs program at this large open pit copper mine from 1968 to the present is described A database of Chuqmcamata rocks has been estabhshed, 2- and 3-dimensional finite element algorithms have been developed for slope analys~s, RQD based geostattsucs have been employed, and in sRu momtonng of natural and mmmg stresses and wbrattons has been employed This program has allowed excavauon to proceed wRhout major hindrance Methods used in slope dessgn are described wRh emphasis on control of critical slope secUons on the mine perimeter
© 1988 Pergamon Press pie Reproduction not permitted