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Searching Geotechpedia for fault

<p>The 10.6 km long Sabzkuh water conveyance tunnel is currently under construction in the High Zagros structural zone, located in western <br />Iran, through conventional (in section T1) and mechanized (in section T2) methods. The section T1 of the ...
Reference: International Journal of Mining and Geo-Engineering - IJMGE 52-2 (2018) 149-160
<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>The Northeast India region is one of the most active zones in the world; the region is jawed between the two arcs, the Himalayan arc to the north and the Indo-Burmese arc to the east. The region bounded by latitude 22-290N and longitude 90-980 E, produced ...
Reference: ASSAM STATE DISASTER MANAGEMENT AUTHORITY GOVT. OF ASSAM GUWAHATI 2015
<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
<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  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  DHI
<p>Forget about having to import bathymetric river data. Begin analysing results sooner with MIKE HYDRO Basin&rsquo;s data-efficient design that includes default parameter files and built-in routines for rapid delineation of rivers and sub-catchments at user-specified ...
Software by  CADS
<p>CADS RC Pile Cap Designer automatically produces a selection of suitable designs to BS 8110 and EC2 for pile caps with 2-9 piles supporting circular or rectangular columns. The software offers a range of pile cap group solutions for the input loads. After ...
Software by  RockWare
<p>RockPack III is a package of programs useful for all phases of rock slope analysis and design where stability is controlled by the orientations and characteristics of rock mass discontinuities (joints, bedding, foliations, faults, etc). RockPack III is ...
Software by  Seismosoft
<p>SeismoSelect is an easy and efficient way to search, select, scale and download ground motion data from different strong motion databases that are available on-line. Different criteria may be employed as the parameters of interest, with which to carry out ...
Software by  RocScience
<p>Slide3 is an advanced three-dimensional LEM slope stability analysis software. Slide3&rsquo;s full 3D analysis features include complex geology, anisotropic materials, loading, and support.</p> <p><strong>Block Model Import</strong>: Helps you generate ...
<p>Surfer is a full-function contouring and surface modeling package that runs under Microsoft Windows. Surfer is used extensively for terrain modeling, bathymetric modeling, landscape visualization, surface analysis, contour mapping, watershed and 3D surface ...
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 ...
<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 ...
Fox News   21 February 2020   USA  
<p>In 2019, California was rocked by back-to-back earthquakes measuring 7.1 and 6.4, respectively. The quakes brought renewed attention to the state’s vulnerability given its boundaries around the San Andreas fault line.<br>The U.S. Geological Survey (USGS) ...
Science Alert   25 September 2019   Peru   Machu Picchu  
<p>As beautiful as Machu Picchu is, it's not the easiest place to get to, high up in the Andes with steep drops to the Urubamba River on three sides. Now researchers think they might know why the site was chosen.<br />The secret may lie deep below this iconic ...
The Washington Post   05 September 2019   USA   California, L.A.  
<p>Scientists thought the Wilmington blind‐thrust fault that runs deep under the Los Angeles region had been dormant since the Late Pliocene era, millions of years ago. But a new study reveals that it&rsquo;s very much alive, and capable of generating the ...
Los Angeles Times   23 July 2019   USA   California  
<p>Millions felt the shaking from the Ridgecrest earthquake.<br>But new satellite images offer a dramatic and instructive view of the immense power of the magnitude 7.1 quake, showing how California’s biggest earthquake in nearly two decades caused the ground ...
CNN   06 July 2019   USA   California  
<p>(CNN) Residents of Southern California are on high alert after a 7.1-magnitude earthquake rocked communities near the Mojave Desert on Friday, just one day after a 6.4-magnitude quake occurred in the same area.<br>The United States Geological Survey (USGS) ...
Express   23 January 2019   World  
<p>The scientists have discovered that a large earthquake usually comes after a shallow mantle creep and seismic swarms, which is a process called &lsquo;silent slip&rsquo;. This process is when the Earth moves, but there is no earthquake and can lead to actual ...
Los Angeles Curbed   16 January 2019   USA   Los Angeles  
<p>In December, tech billionaire Elon Musk and his tunneling startup, The Boring Company, unveiled a mile-long tunnel beneath Hawthorne&mdash;a prototype of an undergroundtransportation system called &ldquo;Loop.&rdquo;<br />Musk has repeatedly suggested that ...
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