Voluvessel [better] Jun 2026

: The device is filled with water and the rubber membrane is kneaded to remove trapped air bubbles.

: The Voluvessel, filled with water, is placed on the plate. A pump creates pressure to force a rubber balloon into the density plate's center opening to establish a "zero" or baseline reading. voluvessel

The is a specialized geotechnical instrument used to determine the in-place density and unit weight of soil using the rubber-balloon method . It is a critical tool for highway engineers and construction technicians to ensure that soil embankments and subbases meet specific compaction standards, such as those required by ASTM D2167 and AASHTO T205 . Core Functionality and Application : The device is filled with water and