Geotechnical instrument used to measure strain in reinforcement or mass concrete of foundation or structural members such as cast-in-place bored piles, struts, etc.
vibration
French: vibration
German: Schwingung
Spanish: vibración
Italian: vibrazione
Portuguese: vibração
Dutch: trillingen
Vibratory Driver/Extractors
A pile driving and extracting machine which is mechanically connected to a pile and drives or extracts the pile by oscillating it through the soil. Power source may be either electric or hydraulic. See Illustration #4 & 5.
French: appareil de fonçage/d'extraction par vibrations
Vibratory Hammer
See Vibratory Driver/Extractors
French: vibrofonceur
Ultimate Limit States Design
See ULS
ultimate load
French: charge limite de rupture
German: Bruchlast, Grenzlast
Spanish: carga límite de rotura
Italian: carico di rottura, carico limite
Portuguese: carga de rotura
Dutch: grenslast (flemish: breuklast)
Ultrasonic Pulse Velocity (UPV)
The velocity of an ultrasonic pulse through concrete or grout is a function of the modulus and density of the material. UPV is therefore a useful guide to quality and uniformity, and can be used to identify anomalous zones in a deep foundation shaft. The
Unbalanced Force (Fv)
Also called “dynamic force” and “rated driving force”. See Illustration #9
Uncased Concrete Pile
A column of concrete placed and left in the ground without encasement. See Augered Pile.
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