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Dynamics of large caverns
52A 881413 Interaction of underground mlmng and surface development m a central city environment Stacey, T g
In: Rock Engineering and Excavation in an Urban Enmronmeat (papers to the conference, i-long Kang, 24-27 February, 1986) P397-404 Publ London I M M 1986 Three stgmficant reefs have been tamed under central Johannesburg Surface development above mined areas ts restricted Four substdence mechamsms have been tdenttfied smkholes, canttlevered block subssdence,substdence due to stope closure, and substdence on a faulty dyke contact Remedml and preventattve measures mclude dynamic compaction, pluggmg of stopcs and backfilhng, and stabthsmg pdlar mstallatton Rtsk of substdence can be mtmmtsed by careful mvesttgatton and appropriate stabthsat~on measures Developments across stgmficant dyke contacts should be avotded 881414 Development of base friction technique and its application to subsidence engineering Ntshada, T, Esakt, T, Kameda, N
Proc International Symposium on Engineering in Complex Rock Formations, Beijing, 3-7 November, 1986 P386-392 Publ Betting Sctence Press, 1986 An tmprovement to the base fnctton apparatus, whtch can be used to stmulate the effects of gravtty m two dtmenstonal scale model testing of excavattons m rock, ts described Usmg a barytes based model material to stmulate jomted and continuous rocks, the apparatus ts used to study cave-m and surface subsidence above shallow coal mmes 881415 Relattons between rockburst and surrounding rock stress in underground chambers - with a tentative gradation of rockburst mtenstty Hou Fahang, Jta Yuru
Proc Internat:onal Symposium on Engineering in Complex Rock Formations, Beijing, 3-7 November, 1986 P497-505 Publ Betting Sctence Press, 1986 Rockburst and rock core dtscmg at the Ertan hydropower plant stte and data from other authors have been studted Relations between rockburst and surrounding rock stress have been examined usmg photoelasttc models and fintte element analysts, and causes of rockburst analysed Equattons for rock core breaking onset stress, and for crmcai stress, and one relating core dtscmg thtckness and surroundmg rock stress are derived, and a scheme for gradmg rockburst mtenstty proposed
Influence of dynamic loads
surface structural damage show the relattve supenortty of underground structures m reststmg setsmlc Ioadmg Greater damage was seen m buddmgs founded on sods rather than rocks, due to the amphficatton of sezsmtc motion m sods m the frequency band of structural interest 881417 Sod-strocture interaction effects on the reliabthty evaluation of reactor containments Ptres, J Hwang, H, Reich, M
Proc Third US National Conference on Earthquake Engineering, Charleston, 24-28 August, 1986 VI, t)529-539 Publ El Cerrtto Earthquake Engmeermg Research lnstttute. 1986 Usmg a probabdtty based method, seismic rehabthty analysts ts performed for an embedded reinforced concrete structure m the shape of a cyhnder wtth a domed end The effects of sod structure mteractton on structural fragdmes, floor response spectra, and correlation cc~fficlents for total acceleratton responses at specified structural Iocauons are mvestlgated 881418 Estimation of stability of large-span caverns with regard to seismic effects Chesnokov, S, Shemman, L, Fotteva, N, Bulychev, N, Sammal, A
Proc International Symposium on Large Rock Caverns, Helsinkt, 25-28 August, 1986 V2. P!213-1222 Publ Oxford Pergamon Press. 1986 An analysts ts presented to calculate the stze and shape of the plasttc zone around an underground structure subject to earthquake Ioadmgs at mtenstttes up to Rtchter scale I 1 It mcludes the effects of m sttu stress and depth of the cavern It may be used to mvesttgate the stabthty of unsupported caverns or to destgn cavern support 881419 Dynamics of large caverns Howells, D A
Proc International Symposimn on Large Rock Caverns, Helsinki, 25-28 August, 1986 V2, P1275-1279 Publ Oxford Pergamon Press, 1986 The dynamtc behav~our of caverns arises from transtent wave excttattons whtch may be natural or man-made Ltttle ts known of the detads of the free field motton, and studtes are based on stmple representattons scaled to overall values The mteractton between free-field motton and the cavern ts one of scattermg Different methods of numerical analysts coupled at thetr boundaries may be used to develop increasingly reahsttc studies It ts generally thought that a well designed cavern provtded a safer envtronment agamst earthquakes, but opposing constderatsons affect the destgn of detads Auth
See aho 881228 881416 Performance of underground coal mines during the 1976 Tangshan earthquake Lee, C F
Tunnlg Underground Space Technol V2. N2. 1987, P199-202 Subsurface mtenstty profiles have been drawn up for the Tangshan earthquake Damage m coal mines ts correlated wtth earthquake intensity and drift structure Comparisons wtth
© 1988 Pergamon Press plc Reproduction not permitted
In: Rock Engineering and Excavation in an Urban Enmronmeat (papers to the conference, i-long Kang, 24-27 February, 1986) P397-404 Publ London I M M 1986 Three stgmficant reefs have been tamed under central Johannesburg Surface development above mined areas ts restricted Four substdence mechamsms have been tdenttfied smkholes, canttlevered block subssdence,substdence due to stope closure, and substdence on a faulty dyke contact Remedml and preventattve measures mclude dynamic compaction, pluggmg of stopcs and backfilhng, and stabthsmg pdlar mstallatton Rtsk of substdence can be mtmmtsed by careful mvesttgatton and appropriate stabthsat~on measures Developments across stgmficant dyke contacts should be avotded 881414 Development of base friction technique and its application to subsidence engineering Ntshada, T, Esakt, T, Kameda, N
Proc International Symposium on Engineering in Complex Rock Formations, Beijing, 3-7 November, 1986 P386-392 Publ Betting Sctence Press, 1986 An tmprovement to the base fnctton apparatus, whtch can be used to stmulate the effects of gravtty m two dtmenstonal scale model testing of excavattons m rock, ts described Usmg a barytes based model material to stmulate jomted and continuous rocks, the apparatus ts used to study cave-m and surface subsidence above shallow coal mmes 881415 Relattons between rockburst and surrounding rock stress in underground chambers - with a tentative gradation of rockburst mtenstty Hou Fahang, Jta Yuru
Proc Internat:onal Symposium on Engineering in Complex Rock Formations, Beijing, 3-7 November, 1986 P497-505 Publ Betting Sctence Press, 1986 Rockburst and rock core dtscmg at the Ertan hydropower plant stte and data from other authors have been studted Relations between rockburst and surrounding rock stress have been examined usmg photoelasttc models and fintte element analysts, and causes of rockburst analysed Equattons for rock core breaking onset stress, and for crmcai stress, and one relating core dtscmg thtckness and surroundmg rock stress are derived, and a scheme for gradmg rockburst mtenstty proposed
Influence of dynamic loads
surface structural damage show the relattve supenortty of underground structures m reststmg setsmlc Ioadmg Greater damage was seen m buddmgs founded on sods rather than rocks, due to the amphficatton of sezsmtc motion m sods m the frequency band of structural interest 881417 Sod-strocture interaction effects on the reliabthty evaluation of reactor containments Ptres, J Hwang, H, Reich, M
Proc Third US National Conference on Earthquake Engineering, Charleston, 24-28 August, 1986 VI, t)529-539 Publ El Cerrtto Earthquake Engmeermg Research lnstttute. 1986 Usmg a probabdtty based method, seismic rehabthty analysts ts performed for an embedded reinforced concrete structure m the shape of a cyhnder wtth a domed end The effects of sod structure mteractton on structural fragdmes, floor response spectra, and correlation cc~fficlents for total acceleratton responses at specified structural Iocauons are mvestlgated 881418 Estimation of stability of large-span caverns with regard to seismic effects Chesnokov, S, Shemman, L, Fotteva, N, Bulychev, N, Sammal, A
Proc International Symposium on Large Rock Caverns, Helsinkt, 25-28 August, 1986 V2. P!213-1222 Publ Oxford Pergamon Press. 1986 An analysts ts presented to calculate the stze and shape of the plasttc zone around an underground structure subject to earthquake Ioadmgs at mtenstttes up to Rtchter scale I 1 It mcludes the effects of m sttu stress and depth of the cavern It may be used to mvesttgate the stabthty of unsupported caverns or to destgn cavern support 881419 Dynamics of large caverns Howells, D A
Proc International Symposimn on Large Rock Caverns, Helsinki, 25-28 August, 1986 V2, P1275-1279 Publ Oxford Pergamon Press, 1986 The dynamtc behav~our of caverns arises from transtent wave excttattons whtch may be natural or man-made Ltttle ts known of the detads of the free field motton, and studtes are based on stmple representattons scaled to overall values The mteractton between free-field motton and the cavern ts one of scattermg Different methods of numerical analysts coupled at thetr boundaries may be used to develop increasingly reahsttc studies It ts generally thought that a well designed cavern provtded a safer envtronment agamst earthquakes, but opposing constderatsons affect the destgn of detads Auth
See aho 881228 881416 Performance of underground coal mines during the 1976 Tangshan earthquake Lee, C F
Tunnlg Underground Space Technol V2. N2. 1987, P199-202 Subsurface mtenstty profiles have been drawn up for the Tangshan earthquake Damage m coal mines ts correlated wtth earthquake intensity and drift structure Comparisons wtth
© 1988 Pergamon Press plc Reproduction not permitted