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Device for measuring changes in length
An extensometer is a device that is used to measure changes in the length of an object. It is useful for stress-strain measurements and tensile tests.
Extensometer
Type of equipment for determining tensile or compressive strength of a material
between the grips and an extensometer if required can automatically record the change in gauge length during the test. If an extensometer is not fitted, the
Universal_testing_machine
Fifth letter of the Greek alphabet
calculations ϵ = increase of length / original length. Usually this relates to extensometer testing of metallic materials. In mathematics (In early calculus or nonstandard
Epsilon
Cable-stayed bridge in Occitanie, France
for the instrumentation network.[citation needed] Twelve fibre optic extensometers were installed in the base of pylon P2. Being the tallest of all, it
Millau_Viaduct
Amount of water an aquifer releases while staying saturated
displacements used to build the stress-strain curve can be determined by extensometers, InSAR or levelling. Laboratory consolidation tests yield measurements
Specific_storage
Mathematical image techniques
many areas of science and engineering. Compared to strain gauges and extensometers, digital image correlation methods provide finer details about deformation
Digital image correlation and tracking
Digital_image_correlation_and_tracking
Natural hazard involving ground movement
Detects small angular changes in the slope surface or retaining walls. Extensometers: Measures displacement along cracks or tension zones. Inclinometers:
Landslide
external georeferencing. It includes the use of instruments such as extensometers, piezometers, pressuremeters, rain gauges, thermometers, barometers
Deformation_monitoring
Test procedure to determine mechanical properties of a specimen
machine. The strain measurements are most commonly measured with an extensometer, but strain gauges are also frequently used on small test specimen or
Tensile_testing
Standard specimen in fracture mechanics
microscope to measure the position of the crack tip or indirectly from either extensometer readings of the crack mouth opening or attaching strain gauges to the
Compact_tension_specimen
Phenomenon of deformation due to structural stress
Longitudinal and/or transverse strain is recorded using mechanical or optical extensometers. Indentation hardness correlates roughly linearly with tensile strength
Yield_(engineering)
Downward vertical movement of the Earth's surface
and horizontal displacements in subsiding areas: Surveying. Borehole extensometers. Global Navigation Satellite System (GNSS) Interferometric Synthetic
Subsidence
strainmeters, all in California. Deformation monitoring Deformation (physics) Extensometer Infinitesimal strain theory Agnew DC (1986). "Strainmeters and tiltmeters"
Strainmeter
Shield volcano in southeast Réunion, Indian Ocean
activity is constantly monitored by geophysical sensors (tiltmeters, extensometers, differential GPS receivers, etc.). The data from those various sensors
Piton_de_la_Fournaise
laser Evolutionary Air and Space Global Laser Engagement Excimer laser Extensometer Extinction cross Extinction ratio Extreme Light Infrastructure Extreme
List_of_laser_articles
Water supply project in California, US
surveying, and along with monitoring compaction by recording the data from extensometers at multiple sites. Since then, Global Positioning Systems (GPS) has
California_Aqueduct
Determination of a material or structure's resiliency against cyclic loading
path of the crack or on the back face of a compact tension coupon. An extensometer or displacement gauge can be used to measure the crack tip opening displacement
Fatigue_testing
Sinking of a building foundation
techniques such as: Surveying Settlement cells Tiltmeters Borehole extensometers Full-profile gauge Settlement platforms Soil consolidation "The ultimate
Settlement_(structural)
Electronic component used to measure strain
industries to replace traditional strain gauges or other sensors like extensometers, string pots, LVDT, accelerometers. The accuracy of commercially available
Strain_gauge
Košťák, Blahoslav; Stemberk, josef (2011). "On The State Of The Tm 71 Extensometer Monitoring In Slovenia: Seven Years Of Micro-Tectonic Displacement Measurements"
List_of_faults_in_Slovenia
Poisson's ratio of concrete. ASTM C469 describes about the instrument. Extensometer Strain gauge Acar, M C (2014), MODULUS OF ELASTICITY DETERMINATION OF
Compressometer
Rail construction project in New York City
the tunnel boring machines. The instruments include inclinometers, extensometers, seismographs, observation wells, dynamic strain gauges, tilt meters
East_Side_Access
Land sinking when groundwater is withdrawn too quickly
borehole extensometers to collect detailed information at designated sites. The GPS survey gives a broad picture of change, and the borehole extensometers can
Central Valley land subsidence
Central_Valley_land_subsidence
Košťák, Blahoslav; Stemberk, josef (2011). "On The State of the Tm 71 Extensometer Monitoring in Slovenia: Seven Years of Micro-Tectonic Displacement Measurements"
Kneža_Fault
Welding of semi-finished plastic materials
tensile strength, strain, as well as the energy to failure if it has extensometers attached to the sample. Additionally, the results from a tensile test
Plastic_welding
load tests) are required and if any new or additional sensors (e.g. extensometer, accelerometer) for continuous monitoring need to be installed on the
Bridge_management_system
Polish airplane designer and constructor
Bronisław Żurakowski. In 1949 under the direction of Chyliński, the extensometer studies of the span of the Poniatowski bridge in Warsaw were completed
Tadeusz_Chyliński
KOŠŤÁK, Blahoslav; Stemberk, josef (2011). "On The State Of The Tm 71 Extensometer Monitoring In Slovenia: Seven Years Of Micro-Tectonic Displacement Measurements"
Raša_Fault
Seismogenic fault in Slovenia and Croatia
KOŠŤÁK, Blahoslav; Stemberk, Josef (2011). "On The State Of The Tm 71 Extensometer Monitoring In Slovenia: Seven Years Of Micro-Tectonic Displacement Measurements"
Brežice–Koprivnica_Fault
Dam in Cortés, Honduras
entirely on mechanical devices to check its performance. Mechanical extensometers, used for measuring settlement and linear deformation, are oriented
El_Cajón_Dam_(Honduras)
American hydrologist
amount of compaction is measured with extensometers which are deep wells, ranging from 500 to 3,000 feet. Extensometers record the contraction and expansion
Joseph F. Poland (hydrologist)
Joseph_F._Poland_(hydrologist)
Digital image analysis tool
over full areas of interest. Many traditional discrete methods, like extensometers and strain gauges, only allow for localized measurements of strain,
Digital image correlation for electronics
Digital_image_correlation_for_electronics
Hamlet in Canillo, Andorra
geological monitoring since 2005 using instruments such as inclinometers, extensometers, and groundwater piezometers has demonstrated continuing minor movements
El_Forn
Place in Andalusia, Spain
temperature and tensional state, counting with pendulums, electroacoustic extensometers, air and water thermometers, tensiometric capsules, flexometers, cliometrics
Quéntar
EXTENSOMETER
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Boy/Male
Arabic, Bengali, Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Muslim, Mythological, Oriya, Sanskrit, Tamil, Telugu
Kind; Name of Jesus; God of Gods; Lord Shiva; Lord of Lords
Girl/Female
Indian, Sanskrit
Beam of Light; Flame; Enlightening
Boy/Male
Tamil
Poorvith | பூரà¯à®µà®¿à®¤
Girl/Female
Hindu
King of snakes
Girl/Female
Australian, Latin
Sabine; The Sabines were Tribe Living in Central Italy
Female
Norse
Old Norse name composed of the name of the fertility god Ing and the word bjarga "help, protection," hence "Ing's protection."
Girl/Female
Hindu
Mother of the world, Goddess Lakshmi, Goddess Durga
Boy/Male
Tamil
King of snake
Boy/Male
Indian, Punjabi, Sikh
One with Godly Wisdom
Girl/Female
American, British, English
Laurel; Keeper of the Keys
EXTENSOMETER
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EXTENSOMETER
n.
An instrument for measuring the extension of a body, especially for measuring the elongation of bars of iron, steel, or other material, when subjected to a tensile force.