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Searching Geotechpedia for fault

<p>Rock Mass Classification is the process of placing a rock mass into groups or classes on defined relationships (Bieniawski, 1989) and assigning a unique description (or number) to it on the basis of similar properties/characteristics such that the behavior ...
Reference: TU Bergakademie Freiberg, Institut für Geotechnik, Gustav-Zeuner-Straße 1
<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
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  RUNET
<p>With BETONexpress you can easily design structural elements of reinforced concrete. For each structural element, you specify the basic dimensions, loads and material properties, and you obtain the detailed concrete design in ultimate limit state (ULS), ...
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
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>
<div class="intro"><p>Sandvik LH514E is an electrically-driven LHD for underground loading and hauling, with a tramming capacity of 14 metric tons and a payload-to-own-weight ratio that's best in class. This durable, high capacity electric loader is proof ...
<p>Soilmec SM-18 is a multipurpose drilling rig developed from the fusion of TREVI GROUP job-site experience and SOILMEC technological research, thus perfectly responding to the needs of professionals worldwide.<br>Its modular design is engineered for the ...
<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 ...
CITY & STATE NEW YORK   17 December 2018   USA   New York  
<p>Last week, NBC New York reported that dozens of bolts fell apart during the construction of the Governor Mario M. Cuomo Bridge, a key infrastructure project of Gov. Andrew Cuomo. Some workers also alleged that there had been a cover-up about the bolts. ...
Filed under: Construction News
CNN   03 December 2018   USA   Alaska, Anchorage  
<p>The 7.0-magnitude earthquake sent residents scurrying for cover when it hit at about 8:30 a.m. Friday. The quake was centered 10 miles northeast of Anchorage.<br />The majority of the aftershocks were of a magnitude 2.5 or weaker, meaning they weren't likely ...
Filed under: Natural Hazards
The Mercury news   21 September 2018   USA   California  
<p>SUNOL &mdash; After toiling away in the remote hills east of Interstate 680 on the Alameda-Santa Clara county line for seven years, hundreds of construction workers have finally finished the largest dam built in the Bay Area in 20 years.</p> <p>The 220-foot ...
Filed under: Construction News
Science Daily   26 June 2018   USA   California  
<p>Geologists identify the San Andreas Fault's 'Durmid Ladder' structure, a a nearly 15.5-mile-long, sheared zone with two, nearly parallel master faults and hundreds of smaller, rung-like cross faults that could be the site of the region's next major earthquake.</p ...
The Daily Star   21 March 2018   Kenya   Kenya’s Rift Valley  
<p>The stunning video shows deep fissures running along large sections Kenya&rsquo;s Rift Valley, with one giant crevice having recently destroyed a main road.</p> <p>As the drone flies overhead, the full scale of the tear &ndash; which is said to be more ...
Filed under: Natural Hazards
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 ...