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Searching Geotechpedia for fault

<p>Using a software package that can be used for either three or two-dimensional (2D) slope stability analyses of the same model we analyse the stability of columns (3D) or slices (2D) overlying a shear failure surface. The failure surface can be any shape, ...
Reference: APSSIM 2016, Brisbane, Australia
<p>A complete kinematic analysis was conducted for the west slope at the Handlebar Hill mine using the Rocscience/Dips 6.0 software. The west slope was divided into three zones: W1 (south-west), W2 (mid-west) and W3 (north-west), which were then subdivided ...
Reference: Int. J. of GEOMATE, Feb., 2016, Vol. 10, No. 1 (Sl. No. 19), pp. 1575-1583
<p>Here we search for dynamically triggered earthquakes in Canada following global main shocks between 2004 and 2014 with MS &gt; 6, depth &lt; 100 km, and estimated peak ground velocity &gt; 0.2 cm/s. We use the Natural Resources Canada (NRCan) earthquake ...
Reference: Geophysical Research Letters 10.1002/2015GL064377
<p>The tunnel may have to be constructed across a faulted zone as it is not always possible to avoid crossing active faults. In these situations, the tunnel must tolerate the expected fault displacements and seismic action, and allow<br />only minor damages ...
Reference: 15WCEE
<p>High-resolution airborne LiDAR and field mapping were used to investigate a 29 km-long section of the Hurunui segment of the Hope Fault concealed beneath beech forest. Approximately 20 km of the dextral strike-slip principal slip zone (PSZ) was identified ...
Reference: Tectonophysics xxx (2014)
<p>Analysis of light detection and ranging (lidar) derived topography combined with field data enables measurement of small (&lt;30 m), previously unrecognized dextral offsets beneath dense temperate rainforest along New Zealand&rsquo;s central Alpine fault. ...
Reference: GEOLOGY, May 2014; v. 42; no. 5; p. 411–414
<p>The previously unknown Greendale Fault ruptured in the September 2010 moment magnitude (Mw) 7.1 Darfield Earthquake. Surface rupture fracture patterns and displacements along the fault were measured with high precision using real time kinematic (RTK) GPS, ...
Reference: Tectonophysics 637 (2014) 178–190
<p>The 2011 rupture of previously undetected blind faults beneath Christchurch, New Zealand, in moment magnitude (Mw) 6.2 and 6.0 earthquakes triggered major rockfalls that caused fatalities and infrastructure damage. Here we use field, geospatial, seismologic, ...
Filed under: Rock Mechanics -  Rock Falls
Reference: GEOLOGY, November 2014; v. 42; no. 11; p. 1–4; Data Repository item 2014345 | doi:10.1130/G36149.1 | Published online XX Month 2014 © 2014 Geological Society of America
<p>TBM tunneling is an ever-increasing prospect for underground construction, and with each new tunnel bored there are unknown elements. When boring through the earth, even extensive Geotechnical Baseline Reports can miss fault lines, water inflows, squeezing ...
Reference: North American Tunneling Conference 2014
<p>Dynamic triggering of earthquakes by seismic waves is a robustly observed phenomenon with well-documented examples from over 30 major earthquakes. We are now in a position to use dynamic triggering as a natural experiment to probe the reaction of faults ...
Reference: Annu. Rev. Earth Planet. Sci. 2014.42:317-339
Software by  USGS
<p>3D Focal Mechanisms is a tool for viewing earthquake focal mechanism symbols three dimensionally. This tool operates within the Environmental Systems Research Institute (ESRI&reg;) GIS software ArcScene&reg; 9.x. The program requires as input a GIS point ...
Software by  USGS
<p>Coulomb is designed to investigate Coulomb stress changes on mapped faults and earthquake nodal planes, and is intended both for publication-directed research and for university teaching and instruction.</p> <p>One can calculate static displacements (on ...
Filed under: Geology Software
<p>EDMS is used to improve and standardize environmental data collection, management, and reporting in an efficient and cost-effective manner. This is accomplished by implementing a documented, auditable process for the collection, storage, and reporting of ...
<p>The field scale reservoir and overburden are 3D structures with complex material and stress states that cannot be accurately described by traditional 1D methods; Elfen horizon ensures that the geomechanical aspects of the reservoir receive as much attention ...
Software by  ITASCA
<p><span class="nmc">FLAC3D</span> is a numerical modeling code for advanced geotechnical analysis of soil, rock, and structural support in three dimensions.</p> <p><span class="nmc">FLAC3D</span> is used in analysis, testing, and design by geotechnical, civil, ...
Software by  USGS
<p>FPFIT is a Fortran program that computes double-couple fault plane solutions from P-wave first motion data using a grid search method. The companion programs FPPLOT and FPPAGE plot the results on stereo nets for interactive viewing or for printing. There ...
<p>We provide 9 synthetic structural models. Their purpose is to test geomodeling algorithms, they are linked to a paper submitted in July 2014 to Computers&amp;Geosciences.</p>
Software by  ITASCA
<p><span class="nmc">KUBRIX&reg;</span> is a unique automatic grid generator ( hexahedral, tetrahedral, octree and hybrid models) built for the demanding geometrical requirements of petroleum and mining geomechanics (non-manifold surfaces, hundreds of materials, ...
Mining Visualization System (MVS) is C Tech's flagship product for state-of-the art analysis and visualization. As its name suggests, MVS was designed from the ground up to meet the demanding requirements of underground and surface mining analysis; however, ...
Filed under: Mining Software -  General
Software by  ITASCA
<p><span class="nmc">PFC2D</span> (Particle Flow Code in 2 Dimensions) is a discontinuum code used in analysis, testing, and research in any field where the interaction of many discrete objects exhibiting large-strain and/or fracturing is required.</p> <p>Because ...
The Torshear machine is dedicated to the determination of the residual shear strength. The residual shear strength of soils is sometimes also termed the ultimate shear strength. This is the strength of soil when it is sheared to large displacements, for example ...
<p>Direct shear testing studies the boundary conditions of natural (or artificially induced) faults or joints in fractured rocks, including cylindrical core samples and prismatic specimens. Typically, a specimen shear box holds the rock sample while a biaxial ...
<p>The material of inclinometer casing is ABS or PVC.<br />The length of inclinometer casing is 2-4m.<br />The default OD of inclinometer casing is 70mm.<br />The thickness deviation of inlinometer casing is &lt;=14%.</p>
<p>Wire crackmeter allows to monitor the changes in the distance between two anchor points located up to 30 m apart.<br>Typical applications include measurements of large displacement associated with landslides, monitoring of rock-masses, mansonry cracks and ...
<p>The biaxial inclinometer comprised by a biaxial probe, indicator and cable. Cable reel is optional. The biaxial inclinometer probe measures lateral displacement using MEMS technology, is easy to operate, and take accurate measurement. The indicator is OLED ...
<p>The Olympia Odos project—largest of the five concessionaires with an original contract of more than $2 billion, now restructured in a reduced scope to $1.4 billion—comes with its share of Olympic-sized challenges. In the task of upgrading the 63.2-km-long ...
Filed under: Construction News
pakistantoday   07 August 2017   Pakistan   Muzaffarabad  
<p>Police have recovered bodies of at least five miners trapped in a coal mine near Muzaffarabad after a part of it collpased in the late hours of Sunday.<br><br>Two severely injured miners were rescued, whereas bodies of the miners who could not survive were ...
Filed under: Mining News
BBC NEWS   24 March 2017   New Zealand   Oceania  
<p>The big earthquake that struck New Zealand last year may have been the most complex ever, say scientists.<br>November's Magnitude 7.8 event ruptured a near-200km-long swathe of territory, shifting parts of NZ's South Island 5m closer to North Island.<br>Whole ...
temblor.net   16 February 2017   Turkey   Asia  
<p>A series of mid-sized earthquakes (also called a seismic swarm) occurred at the tip of the Biga Peninsula in Turkey at the intersection of the Kestanbol Fault and the Edremit Fault Zone. In just a few days, 800 earthquakes varying size were felt, including ...
Filed under: Natural Hazards
temblor.net   01 February 2017   United States   Americas  
<p>At 9:35 p.m. local time last night (January 30), a small M=3.5 earthquake shook the city of Hollister, CA, and was felt as far away as Santa Cruz and Monterey. According to the USGS ShakeMap, only light shaking was felt, and around 300 people recorded feeling ...
Filed under: Natural Hazards
The New Daily   18 November 2016   New Zealand   Oceania  
<p>This week’s New Zealand earthquake has lifted the seabed around Kaikoura by at least 1m, scientists have told NZ media.</p><p>Among the pictures that have emerged from the 7.8-magnitude earthquake early on Monday, some of the most striking have been those ...
Temlor.net   10 June 2016   USA   S. California  
<p>Today&rsquo;s quake struck along the central San Jacinto fault, a major element of the southern San Andreas system with its own history of large and frequent quakes, and so at high risk of future events. But the aftershocks do not line up along the right-lateral ...
Filed under: Natural Hazards
Sience Alert   05 May 2016   USA   California  
<p>California's San Andreas fault has been quiet for far too long and is overdue for a major earthquake, a leading geoscientist has announced. In a conference this week, the state was warned to prepare for a potential earthquake as strong as magnitude 8.0. ...
The Guardian   11 March 2016   USA   California  
<p>Latest research suggests that the San Andreas and San Jacinto faults might have ruptured together in the past, and may again trigger more powerful destruction.</p><p>Measuring the level of threat posed by severe earthquakes that could bring havoc to southern ...
The Japan Times   03 March 2016   Japan   Hokuriku  
<p>A geological fault running directly beneath a nuclear reactor at Hokuriku Electric Power Co.&rsquo;s Shika power plant may be active, a panel of geological experts under the Nuclear Regulation Authority said Thursday.<br />If the nuclear watchdog finalizes ...