air void

air void

[′er ‚vȯid]
(materials)
A space which is filled with air in cement paste, mortar, or concrete.

air void

A space which is filled with air in cement paste, mortar, or concrete. Also see entrapped air, entrained air.
References in periodicals archive ?
Delivery of a single laboratory equipment for the Faculties of Technology - Laboratory of Road GDDKiA divided into parts Part 1Delivery of equipment for the determination of a set of air void characteristics in hardened concrete - 4 units.
Incorporating 10% air void volume into a coating with 20 vol% [TiO.
Coating at high speeds requires low air void volume in the coating color and viscosity control.
demonstrates that tungsten metal can be used not only as a mask for epitaxial lateral overgrowth but also for the formation of an air void underneath it to improve both internal quantum efficiency and extraction efficiency of the LEDs.
Marshall stability, flow, Marshall quotient, maximum density, air void content, voids filled with bitumen (VFB), voids in mineral aggregate (VMA) were investigated.
The hollow-sphere structure of opaque polymer provides a controlled and consistent level of air void hiding in paint through the refractive index differential between the internal air void and the outer polymer shell.
For instance, if you don't have the appropriate air entrainment, the concrete doesn't have an air void structure that will resist freezing and thawing cycles.
The magnitudes of the estimated coefficients for variables AirVoid and NewThickness suggest that increase of air void leads to more significantly reduce the noise level than the increase of surface layer thickness.
It was noticed that different types of combinations of admixtures produce different air void characteristics of mortar (Fig.
Due to the higher air void contents (compared to HMA) in the cold-recycled mixes, Emery recommends HMA wearing surfaces for high traffic counts.