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Experimental, Theoretical, Numerical and Big-Data-Based Investigations on Characterizations for Geomaterials
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Rock and rock-like materials such as concrete, soil, and underground backfilling materials are considered to be geomaterials. Geomaterials are essential for life due to human construct extraction, mining, storage, and transport areas in the Earth’s crust for raw material. Drilling and excavations of underground openings in the Earth’s crust are requirements for the exploitation and utilization of mineral resources, energy resources, and underground spaces. The deepest drilling depth has exceeded 12 km, and the deepest underground excavation now operates mines with depths exceeding 4 to 5 km. Drilling, excavation, and rock support processes largely rely on the physical and mechanical properties of geomaterials. Rock excavations are faced with some instability phenomena, such as caving, rock bursts, slabbing, large deformation, and zonal disintegration, posing a serious threat to the safety of mining and tunneling operations. Rock drilling also encounters many challenges deep underground. Deformation, fracture, failure, and fragmentation are the different stages of geomaterials, the monitoring and control of which are essential for ensuring drilling and excavation safety. Therefore, understanding the response processes of geomaterials during drilling and excavation activities depends on the precise characterizations of geomaterials.
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Keywords
- 3D-DIC
- abutment
- aleatoric and epistemic measurement uncertainty
- anisotropy
- artificial flaw
- attenuation coefficient
- backfill slurry
- bedding angle
- bleeding water
- BPANN
- brittleness indicator
- carbonaceous slate
- cemented backfill
- cemented soil–concrete interface
- chemical erosion
- chevron notched disk
- confining pressure
- coupled static and dynamic loads
- crack tolerance
- cracking mechanism
- creep characteristic
- creep shear mechanical response
- cut blasting
- cyclic point loading
- damage characteristics
- damage model
- deep layered deformation
- deformation
- DIC
- digital image correlation
- Discontinuity
- discrete element method
- double fissures
- dynamic Brazilian splitting
- elastic wave
- electrical resistivity
- energy dissipation
- failure laws
- failure mechanism
- field measurement
- field test
- field tests
- flawed rocks
- fracability
- fractal
- fracture process zone
- frequency dependent attenuation
- geosynthetic reinforced soil
- geosynthetics
- ground settlement
- hard rock
- hard rock characterization
- History of engineering & technology
- in-situ assembling caisson
- in-situ stress
- interface shear strength
- iron tailings
- lab testing
- large-scale interface shear test
- loading frequency
- Los Angeles test
- matrix fracturing
- mechanical behavior
- mechanized rock breakage
- n/a
- Numerical Simulation
- parameter optimization
- Permeability
- phosphate removal by adsorption
- phosphogypsum
- point load test
- pollutant
- rebound/Schmidt hammer
- rock burst tendency
- rock fatigue
- rock mass
- rock materials
- rock microstructures
- rock properties
- rock-burst
- sand
- SHPB
- soil–rock mixture (S-RM)
- Stability
- strength
- strength decrease rate
- stress–damage–permeability
- SVM
- Technology, engineering, agriculture
- Technology: general issues
- triaxial compression
- triaxial shear
- unconfined compressive strength
- volumetric deformation
- VSM construction method
- waveform
- weakly cemented rocks
Links
DOI: 10.3390/books978-3-0365-9125-4Editions