... reservoir characterization practice iop publishing iop conf fragmentation reservoir simulation reservoir geomechanics rock engineering block-to-block interaction breakage splitting roughness frequency theory hopper Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP...

... engineering frequency graph ultrasonic non-destructive digital indicating tester environmental science 833 amplitude geologist limestone crystallisation practice iop publishing iop conf theory procedure geotron instrument pundit Mechanics and Rock Engineering, from Theory to Practice IOP...

... Design paulatto borehole Reservoir Characterization Upstream Oil & Gas criteria evaluation permeability test fracture flow in porous media Fluid Dynamics sune carstensen procedia engineering 191 Copenhagen Limestone upper copenhagen limestone hydraulic fracturing frequency enrico...

... the existence of the strong relation between PPV and damage to structures has been well established. Besides PPV, the frequency is one of the most important factors controlling the response of structures. This paper presents a case history of Olympic Stadium renovation in Helsinki, Finland with a focus...

.... This could lead to reducing the long-term stability of the rock bolt. Accordingly, authors developed the system device using ultrasonic waves with different frequency levels, which can detect and display small reflective signals in order to evaluate the extent of mortar filling. In this paper, a basic idea...

... risk management frequency rock slab Upstream Oil & Gas subway station urban environment diaphragm wall concrete diaphragm wall ground transportation Densely alah station diameter executive schedule hydraulic rock breaker air impact control rail transportation strut criteria...

... frequency fluctuation seismic noise classification spectral ratio microseismic event Reservoir Characterization resonant frequency correlation Geophy Upstream Oil & Gas orientation passive seismic monitoring unstable rock mass spectral analysis correlogram monitoring...

... Reservoir Characterization ground surface surface wave jointed rock mass particle velocity incident wave emergence angle wave propagation Upstream Oil & Gas Rock mechanics frequency ground motion incident angle PPV rock mass normalized normal stiffness vibration stiffness...

... a discontinuous approach must be utilized. This approach can be extended to masonry structures, so as to find by means of numerical analysis the peak ground acceleration and frequency at which the historic monument is most vulnerable and to predict the anticipated failure modes. The numerical, discrete element...

... topography. The rock slope is subjected to several harmonic signals with variable frequency and amplitude, and the slope response is evaluated. 1 INTRODUCTION Subduction of the Nazca plate under the South American plate is responsible of numerous earthquakes due to the stress accumulation and relief...

... to represent site effect around them. The results of FFT analyses showed that natural frequency from field measurement ranges between 5 Hz and 10 Hz. The authors first clarify the frequency characteristics of the quarries with continuous monitoring. Then, the authors consider the influence to seismic wave on 2...

... the potential of applying the two continuum based models, some results are presented. Upstream Oil & Gas CEL application chi-chi earthquake Eulerian material Engineering MPM frequency increment rock landslide Material Point Method landslide contact algorithm Earthquake integration...

...). Studies have shown a good correlation between the landslides density and the areas of strongest ground motion, while their frequency declines on moving away from the epicenter (Meunier et al. 2007). Sepulveda et al. (2005) studied the rock slope failure due to topographic amplification of strong ground...

... on carbide metal and polycrystalline diamond cutting tools with geometrically defined cutting edges. The ultrasonic frequency was maintained at 20 kHz. Different oscillation amplitudes up to 25 µm were applied to reduce process forces in comparison to the conventional machining. The observation...

... the suitability of geophones to detect ground vibration caused by rock- falls, b) investigate the spacing between geophones, c) evaluate the applicability of empirical equations to determine the energy decay rate, and d) determine the frequency range generated by rockfalls. A number of multi-parametric...

... and composed of numerous alternating movements with different frequencies and amplitudes move in cycles (Sashourin 2001). Upstream Oil & Gas kazchrome donskoy ore mining Reservoir Characterization frequency movement process metals & mining structural geology displacement amplitude...

... and hydrogeological anisotropy of rock mass are the key elements in order to define an appropriate monitoring program. The application of new nanotechnologies in the geotechnical and rock mechanic fields has increased the amount of acquired information both in space and frequency. Along with the awaited introduction...

...:) involved in the distinct techniques. Other authors (Kolesnikov, 2009, Ciccotti & Mulargia, 2004) consider that the static test is a dynamic test at a very low frequency, and they highlight the nonlinear elastic response to different associated frequencies (f).Kolesnikov (2009) uses the Kjartansson...

... sandstones and a quartzite M. Alber Engineering Geology/Rock Engineering, Ruhr-University Bochum, Bochum, Germany ABSTRACT: Dynamic moduli of rocks are higher than their static moduli. The difference is attributed to different frequencies, strain and stress amplitudes when conducting static and dynamic...

... families of joints and the surface of the gallery, both the problems of identification and support have also been studied in considerable depth and solutions found (González et al. 2005). frequency information operation rock mass metals & mining wavelength environmental parameter...