AVA

(redirected from Air Void Analyzer)
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AcronymDefinition
AVAAustralian Veterinary Association
AVAAngels and Airwaves (band)
AVAAmerican Viticultural Area (designated wine growing region)
AVAAmerican Vaulting Association (West Hollywood, CA)
AVAAgri-food and Veterinary Authority (Singapore)
AVAAmbiente Virtual de Aprendizado (Portuguese: Virtual Learning Environment; Brazil)
AVAActuarial Value of Assets (accounting)
AVAAccredited Valuation Analyst
AVAAllgemeine Handelsgesellschaft Der Verbraucher (German stock company)
AVAAusschreibung Vergabe Abrechnung (German: Tendering, Contracting and Accounting; construction)
AVAAnselmo Valencia Tori Amphitheater (Tucson, AZ)
AVAAmerican Volkssport Association
AVAAvailable Attention Message
AVAActive View Agent
AVAAdobe Variations File
AVAAttribute Value Assertion
AVAAdaptec Value Adapter
AVAAmerican Vocational Association (now Association for Career and Technical Education)
AVAAnnual Value Added
AVAAlbany Visitors Association (Albany, OR)
AVAAttribute Value Assertion (Lightweight Directory Access Protocol)
AVAAvalanche Watch
AVAAssociation for Volunteer Administration
AVAAir Void Analyzer (concrete)
AVAAutomatic Variable Aperture (semiconductors)
AVAActivity Value Analysis
AVAAnthrax Vaccine Absorbed
AVAAmerican Veal Association (Meshoppen, PA)
AVAAlaska Visitors Association
AVAAortic Valve Area
AVAAmerican Vintners Association (now National Association of American Wineries)
AVAAlliance of Valliant Arms (gaming)
AVAArteriovenous Anastomoses
AVAAudio Visual Authoring
AVAAssociation of Avian Veterinarians
AVAAssociation of Veterinary Anaesthetists
AVAAssurances Vieillesse des Artisans
AVAAudio Visual Aid
AVAAmerican Vecturist Association
AVAAustralasian Vascular Audit (International Society for Cardiovascular Surgey)
AVAAmerican Virtual Airlines
AVAAviation Vibration Analyzer
AVAAlgemeen Verslag over de Armoede (Belgium)
AVAAuvergne Végétarienne Attitude (French: Auvergne Vegetarian Attitude; Auvergne, France)
AVAAir Volume Adjuster (Fox Racing Shox, Inc.)
AVAAvianca - Aerovias Nacionales de Colombia (ICAO code)
AVAASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) Volcano Archive (US NASA)
AVAAssurance Voyages & Assistance (French: Travel Insurance & Assistance)
AVAAmerican Values Alliance (political group)
AVAAssociation of Virtual Aviation (of South Africa)
AVAAudio/Visual Alarm
AVAAnticyclonic Vorticity Advection (meteorology)
AVAAssociation des Véhicules Amphibies (French: Association of Amphibious Vehicles)
AVAAsociacion Venezolana de Archiveros
AVAAssociation Vergongheon Arvant (French soccer club)
AVAAmplitude Variation with AOI (Angle of Incidence) (similar to AVO)
AVAAmateurs de Véhicules Alpine (French: Alpine Car Enthusiasts; est. 1987)
AVAAntipodal Vivaldi Antenna
AVAAutomated Visual Association
AVAAmerican Valet Air
AVAAir Vehicle Avionics
AVAAntarctic Vexillological Association
AVAAlma Vision Assurance
AVAAdaptation Validation and Analysis CSCI
AVAAverage Value Analysis
AVAAssociation Villeurbannaise d'Aquariophilie (French aquarium enthusiasts' association; Villeurbanne, France)
AVAAgricultural Vulnerability Assessment
AVAAmateur Voice Acting/Actor
AVAAzimuth vs. Amplitude
AVAAudio/Visual Annunciator
AVAAverage Alarm
AVAAviation Vehicles Association
AVAARM (Atmospheric Radiation Measurement) Volume-Imaging Array (US Department of Energy)
AVAAccompagnement Vers la Vie Active (French: Coaching Towards Active Living; est. 2006)
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References in periodicals archive ?
"Through this study we've learned about a couple of new tests, including the bond or pull-off method and the air void analyzer," says ODOT's Freyne.
The air void analyzer is a portable device that measures the entrained air void structure of fresh concrete in about 30 minutes.
The air void analyzer, which was developed more than a decade ago by a European firm, is one of several technologies used by FHWA's Mobile Concrete Laboratory.
The air void analyzer measures the air content, specific surface, and spacing factor of fresh portland cement concrete.
The air void analyzer (AVA) offers an efficient, real-time method for assessing the distribution of these air voids in fresh concrete.
Air Void Analyzer--The air void analyzer can be used to provide real-time evaluation for measuring air content, specific surface, and the spacing factor of fresh portland cement concrete.
"One of the major technologies we're presenting now is the air void analyzer," says Gary Crawford, FHWA project manager for the lab.
"The implementation panel for the air void analyzer is developing all AASHTO provisional specification so the States will start using this equipment," Crawford says.
Test procedures evaluated, refined, or developed will include air void stability; foam index and drainage; air void analyzer; air content of freshly mixed concrete by pressure meter; unit weight, yield, and air content; and microscopic determination of parameters of the air void system in hardened concrete.
The first durability-related test is an air void analyzer. To ensure the durability of concrete exposed to the cyclic freeze-thaw conditions common in most northern and mountainous States, quality control personnel need to determine the amount of air trapped in moist concrete.
The air void analyzer, however, enables quality control personnel to determine the volume of entrained air, as well as bubble size and spacing, from samples of fresh concrete in the field in less than 30 minutes.