Rock mechanics : achievements and ambitions : proceedings of the 2nd ISRM International Young Scholars' Symposium on Rock Mechanics, Beijing, China, 14-16 October 2011

Table of Contents......Page 6
Preface......Page 16
Organization......Page 18
Acknowledgements......Page 20
The ISRM young members presidential group......Page 22
On \'the way ahead\' for the ISRM and its young members – South America......Page 24
Field investigation and observation......Page 32
New development of In-situ stress measurement with hydraulic fracturing technique at great depth in China......Page 34
Application of microseismic monitoring technology on fully mechanized top-coal caving face of extra-thick coal seam......Page 38
Study of the horizontal crack of hard rock or sprayed concrete on high sidewall of large underground cavern......Page 42
Field investigation and surface detection techniques of abandoned coal mine goafs......Page 48
Optical fiber sensing technology in deformation monitoring shaft of Jinchuan Mine......Page 52
Application of high-density resistivity method in investigation of mountainous highway tunnel......Page 56
Study on characteristics and change regularity of tunnel sidewall cracks......Page 62
Prediction of rockburst based on microseismic monitoring technology......Page 66
Comprehensive analysis of large trapezoidal section workings\' stability in broken rock mass......Page 72
Numerical simulation of controlled perimeter blasting and field test on the fracture zones in Guanjiao tunnel......Page 78
Analysis of excavation damaged zone of auxiliary tunnel based on field wave velocity test at the Jinping hydropower station......Page 86
Rock constitutive relations and property testing......Page 94
Microstructure characteristic and mechanical behavior of mudstone under water environment......Page 96
Coupling between inherent and induced anisotropies in sedimentary rocks......Page 102
Experimental study on the adsorption content of coal......Page 108
Experimental study on the reticular cutting rock fragmentation with the teeth of single cone bit......Page 112
The macro-mesoscopic property and particle-number influences of rock uniaxial compression numerical simulation based on parallel-bond model......Page 118
Experiment study of the thermal deformation of in-situ gas coal......Page 124
Microcosmic structure analysis by SEM and creep test on undersea tunnel tuff......Page 130
The method for overcoming salt formations creep by using the relationship of drilling fluids density and chloride ion content......Page 134
Analysis of empirical estimation of rock mass modulus and its application......Page 138
Experimental study on mechanical mechanism of reinforced cracked rock mass......Page 144
Study on variation of pore water pressure in dredger fill by vacuum preloading......Page 148
Damage experiment of projectile penetration into high-strength concrete......Page 154
Visco-elastical constitutive model identification of rock mass......Page 160
Study on failure process and fracture modes of a rock bridge under stress by laser real time holographic interferometry......Page 166
Study on deterioration law of rock strength parameters based on PFC simulation method......Page 172
Fracture analysis of jointed rock mass based on nonlinear FEM and physical experiment......Page 176
Study on the constitutive relation of mudstone by nonlinear large deformation measurement of borehole......Page 182
Experimental and fractal study on the critical loading force for rock fragmentation by pick tine......Page 188
Experimental study on permeability of Beishan granite......Page 194
Experimental study on the dielectric constant of tectonic coal......Page 198
Research of I type fracture parameters of rock using DSCM......Page 204
Research on freezing ring of Liquefied Natural Gas (LNG) storage based on multi-coupling theory under low-temperature......Page 210
Mechanical behavior of claystone exposed to high temperatures and its possible impacts on the stability of a deep nuclear waste repository......Page 214
Experimental research on consolidation properties of tailings granule in paste discharge......Page 220
Creep behavior of a soft rock in triaxial compression and shear conditions......Page 226
Measurement on thermal conductivity of compacted GMZ001 bentonite......Page 232
Acoustic emission characteristics and strength variation of skarn under true triaxial test......Page 236
Experimental research on aperture evolution of single granite fracture under stress-chemical solution permeation condition......Page 242
Study on mechanical properties of porous rock by CT technique......Page 250
Mechanical properties of sandstone after cyclic drying and wetting......Page 256
Estimation of the elastic tensile and compressive modulus through measuring the displacement filed in Brazilian disc test......Page 260
Characterization by X-ray computed tomography of the bedding planes influence on excavation damaged zone of a plastic clay......Page 266
Experimental study on shear behavior of rock mass discontinuity under special stress condition......Page 270
A new calculation model of mechanical parameters of the joints without cutting through free face......Page 276
Numerical and physical modeling for rock engineering......Page 280
Impact of joint inclination and confining pressure on strength of sandstone......Page 282
Study on water conductive zones in the roof and floor strata induced by mining of coal seam group under enriched aquifers......Page 286
Optimization of structural parameters of underground mining caverns with FLAC3D......Page 292
Numerical study and application on technology of slotting and blasting down the roof for handling mined-out areas......Page 298
The recovery scheme determination of steep narrow veins based on 3-D numerical simulation......Page 302
Study on the bearing behavior of CFG composite foundation......Page 308
Stability analysis of surrounding rock based on measured underground karst caves and goaf modeling......Page 312
Numerical simulation of heat-supplying tunnel adjacent to subway shield tunnel......Page 318
Stability analysis of stope roof by combined action of anchor cable and anchor rod......Page 322
Safety assessment of abandoned stope – method and practice......Page 328
The upright reliability analysis of large stope cemented backfill......Page 334
Effect of water pressure on deformation of roadway surrounding rock based on solid-liquid coupling theory......Page 342
Simulation on influence of different loading rates on Jinping marble in uniaxial compression test by PFC2D......Page 348
Reliability analysis of the progressive slide of arch dam abutment......Page 352
Numerical simulation of liquefaction of saturated sand using discrete element method......Page 358
PFC numerical analysis on prediction of ore loss and dilution of ore drawing below backfilling waste rock layer......Page 362
Numerical manifold modeling of sliding instability of rock slope......Page 368
Numerical simulation on dynamic response of non-destructive test of anchor system......Page 374
Simulation study on the mechanical stability of subsequent filling mining stope......Page 378
Analysis of deformation and failure effects for the roof of mined-out areas under mechanical construction load......Page 384
Experiment research of deformation of cavern by using DSCM......Page 390
Numerical simulation research on surrounding-rock control of deep mine cemented paste filling......Page 394
Numerical simulation of pressure relief mining in Chengchao iron mine......Page 400
Numerical calibration of micro-parameters of the mixed gneiss rock in uniaxial compression......Page 406
Numerical simulation research of goaf caving height in soft rock mine......Page 410
Physical simulation study on arrangement about mining roadway with short distance......Page 414
On rationality of the construction methods for wearing tunnels......Page 418
Rheological mechanism and numerical simulation of stability analysis in a silty slope......Page 422
Numerical test of fracturing grouting of rock mass......Page 426
A study on natural classification of loose covering strata and its effect on drawing......Page 430
The study of Thermal-Hydrologic-Mechanical (THM) coupled process in dual-porosity rock......Page 434
Numerical analysis on bolting reliability of jointed rock mass with filling......Page 440
Optimization design of supporting and analysis of stability for mining tunnel with soft coal seam......Page 446
Simulation of tunnel excavation in fractured rock masses using extended finite element method......Page 450
Numerical investigation of the stability of roofing with cemented tailing backfill and its application......Page 456
Pull-out rheological test of anchorage system and evolution characteristic study of interfacial stress......Page 464
Numerical modeling of hard rock dilation effect on fully grouted rebar support......Page 468
A numerical study on failure behavior of rock containing three-dimensional pre-existing flaws......Page 474
Study on the wall rock stability ofYantan hydrologic station’s underground caverns......Page 480
Information technology, artificial intelligence and other advanced techniques......Page 486
Research on factors influence of deep foundation structured by soil nailing based on grey system theory......Page 488
Application of three dimensional geological models to geotechnical engineering problems......Page 494
Stability analysis of jointed rock based on block theory......Page 500
Comparative analysis of acoustic emission signal frequency characteristics between packsand and granite......Page 504
A new methodology of block system construction and visualization for three-dimensional block-group analysis......Page 510
Study on PSO-GPR intelligent algorithm for saturated uniaxial compressive strength of rock......Page 516
Stability classification of mine roadways surrounding rock using genetic algorithm neural network......Page 520
Weights determination of tendency indexes of coal bumps and hazard evaluation......Page 526
Application of improved AHP method and variable weight theory to rock mass quality evaluation......Page 530
Study of seepage generation technology in excavation process based on 3D geo-mechanical model......Page 534
Three-Dimensional joint modeling and stability analysis of rock blocks around tunnel......Page 540
GIS-based 3D wedge stability evaluation of a high rock slope......Page 544
Failure mode classification and control for surrounding rock of large-scale cavern group......Page 548
The design of WebGIS-based real-time visual analysis and forecasting system of landslides......Page 556
GIS-based three-dimensional real-time dynamic construction management system for expressway pavement......Page 562
Slope stability evaluation based on projection pursuit and attribute mathematics......Page 566
Method of fuzzy synthetic evaluation for safety of operating railway tunnel lining......Page 572
Prediction of roof subsidence in metal mine goaf based on BP neural network......Page 578
Application of EH-4 in field investigation of engineering geology for strongly weathered slope......Page 582
Research on meso mechanical parameters determining method of rock-soil material......Page 588
Format analysis of surpac solid model and its input-output algorithm design......Page 594
Underground and surface excavation and reinforcement techniques......Page 600
Stability analysis and optimum design of high and steep slope in a deep-concave open pit mine......Page 602
Theoretical analysis on influencing factors of fault activation on mining floor......Page 608
Coupled thermo-hydro-mechanical study on GMZ bentonite......Page 614
Analysis of distance between underground caverns in a water-sealed underground oil tank engineering......Page 618
Study of key technique of double-arch tunnel passing through water-eroded groove......Page 622
The calculation on the thickness of tunnel insulating layer in cold region......Page 628
Study of structural safety and reasonable thickness of the covering layer under open to underground mining......Page 632
Research on large deformation mechanism and its control of a loess tunnel entrance......Page 636
Mechanism and practice of cable truss control in super-high abutment stress coal entry......Page 642
Mechanical analysis on instability of mining roadways under the close neighboring gob......Page 646
Analysis of supporting structure deformation and axial force in subway foundation pit......Page 650
Study on key supporting techniques of large cross-section roadway in compound mudstone roof......Page 656
Elastic analysis of releasing depth of borehole for overcoming stress measurement......Page 662
Simulation analysis of failure mechanism of roadways in soft rock supported with bolting and shotcreting......Page 668
Mechanism of slurry membrane for slurry shield tunnel......Page 672
Destabilizing mechanism of deep granite tunnel in a metal mine and its supporting measure......Page 678
Contribution to damaged formation and evolution of time behavior during the deep buried tunnel excavation......Page 682
Drilling technology and development of LM series raise boring machine......Page 692
Study and practice of railway support in broken and dilatant roof with high pretension and short cable bolting......Page 698
Instantaneous response of pore water pressure in the process of dynamic drainage consolidation......Page 704
Basis of pit slope design mechanics and parameters sensibility analysis......Page 708
Study on checking method for safety of operating railway tunnel lining......Page 712
Settlement of subway tunnel affected by different pilot tunnel sequences excavation......Page 718
Analytical solution for passive piles subject to lateral soil movement......Page 724
Stability control mechanism and integral supporting technology of roadways with thick compound roof strata......Page 730
Study on displacement fields and settlement characteristics of composite foundation with compound piles......Page 734
Study on the rational width of coal pillars for protecting roadway in fully mechanized top caving mining face......Page 740
Fault instability’s mechanical mechanism and technology of retaining waterproof pillar......Page 746
Effects and influences of water injection on coalbed exploitation in mining engineering......Page 752
Optimization of rock slope in an open pit mine using strength reduction method......Page 758
The comparison of surrounding rock stress analytical solutions for three tunnel sections......Page 762
Study of consolidation grouting effect for downstream block of high arch dams......Page 766
Dynamic rock mechanics and blasing......Page 770
Experiment on dynamic stability of soil slope ballasted by un-cemented concrete blocks......Page 772
Hybrid analysis of dynamic destabilization to HSTCC workings in steep coal seams......Page 778
Study on seismic behavior of frame-brick mixed structure......Page 782
Case analysis and safety issues in demolition blasting technique of an old-fashioned chimney......Page 788
Simulation experiment study on the coal blast damage and failure......Page 792
Analysis on weakening effect of pre-blasting in top coal of steep and thick seams based on nonlinear dynamics......Page 796
Numerical simulation on rock penetration by blasting with uneven-thickness-covered linear-shape tandem charges......Page 800
Dynamic constitutive model of limestone under shock load......Page 804
Experimental determination of dynamic tensile strength of sandstone at different loading rate......Page 810
Research on the relationship between rock stress level and the occurrence of rock burst......Page 814
The fuzzy comprehensive prediction of rock burst induced by deep mining in Xincheng gold mine......Page 818
Numerical simulation for cavity formation process by progressive large diameter empty hole spiral cut blasting......Page 824
Technology of deep hole blasting relief of the hard roof of coal seams and optimization......Page 830
Characteristics of ground vibration from blasting in a metal mine\'s underground stope below mined area......Page 836
Experiment on dynamic stability of soil filling slope protected by concrete slab......Page 840
Wavelet energy analysis on blasting vibration signal of surrounding rock roof considering confining pressure and fracture......Page 846
Chaotic dynamics study of nonlinear rock beam and application to rock burst forecast......Page 852
Research and application of slope stability control blasting technique in Shandak open-pit mine......Page 858
Analysis on dynamic response of underground rock tunnel to earthquake load......Page 862
Numerical simulation of uncoupling charge blasting......Page 868
Numerical simulation of blasting excavation across a soil-rock interface of highway tunnel......Page 872
Block element method for time-history stability analysis of a rock slope......Page 876
Study of impact of surface blasting on stability of underground tunnel......Page 882
Predication and prevention of geo-environmental hazard......Page 888
A comprehensive evaluation model for rockburst risk prediction based on analytic hierarchy process and probabilistic optimization......Page 890
Development and application of BIM-based highway construction management platform......Page 896
The study of casing collapse deformation for slump fault......Page 900
Study on the effect of underground blasting on slope stability based on the AE monitoring......Page 904
Experimental research on early identification of landslides by D-InSAR technique......Page 908
Reliability analysis of tailings dams under both seepage and earthquake actions......Page 912
Study on real-time monitoring and pre-warning system of rock burst based on equivalent drilling cuttings quantity......Page 916
Reliability analysis of rock slope stability......Page 922
Application of relevance vector machine to predict rockburst......Page 928
Case studies of typical rock engineering......Page 932
Rock mass instability evaluation at the La Volcana segment of the Valle de Aburrá – Río Cauca road, Colombia – South America......Page 934
Study on the control of thick and hard roof strata of Wongawilli face in mining shallow coal seam......Page 938
Numerical analysis on the stability of the lining structure of a tunnel......Page 944
Inversion analysis of mechanical parameters of slope rock mass in Baiyunebo open pit iron mine......Page 950
Using coupled fluid-solid theory to forecast the water inflow for conveyance project of Dahuofang reservoir......Page 954
False tunnels as prevention measures against impact from rock falling on mountainous roads: Experience in Colombia......Page 958
Intelligent back analysis of constitutive parameters for soil slope based on unified strength theory......Page 962
Analysis on ground settlement induced by shield tunneling undercrossing railways and tall buildings......Page 968
Optimization of structural parameters for mining large iron ore stope by filling method in Sijiaying district......Page 974
Application of three measurement methods for determination of in-situ stress state in Qianan area......Page 980
Effect of excavation dewatering on adjacent underground metro structure for super large diameter piles in weathered rock foundation......Page 982
Study on railway support techniques in deep soft rock and engineering example......Page 990
Numerical research on top coal movement, failure mechanism and supports\' stresses characters of fully mechanized top-coal caving in steep thick seam......Page 994
Technology innovation and practice for construction of CFRD......Page 998
Influence of blasting vibration on stability of the high slope of Shuichang iron mine......Page 1002
Feasibility analysis on 1300 fully-mechanized coal mining face of Jining No.2 Mine during exploitation approaching to faults and its optimization design......Page 1008
Study on cross-section shape and excavation scheme of transportation roadway in Haishiwan coal mine......Page 1014
Stability analysis of completely-strongly weathered high-steep rock slope......Page 1020
Mechanical stability of intensifying mining for residual ore under complicated goaf groups......Page 1028
Study on anti-seepage scheme in subsidence area based on investigation of the underlying goaf below Mahe River......Page 1034
Optimization of mining parameters for coal mining under unconformable overlying stratums......Page 1040
Deformation analyses of excavated-underground metro station at different depths in soil-rock combined strata......Page 1046
Stability analysis of soft foundation earth-rock dam in lake......Page 1050