Device for measuring shear properties of asphalt mixtures
US10386280B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 21, 2016 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Jun 21, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0435
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring shear properties of asphalt mixtures includes a machine for testing the material strength, equipped with an operational frame, fixing elements and driving mechanism, the machine including a steel socket equipped at at least one of a bottom and a top edge thereof with an inner flange to accommodate a testing specimen, the testing specimen having a central open hole, and a steel insert adapted to be inserted into the open hole in the testing specimen, the steel insert being equipped with a rim at at least one of an end thereof at the top edge of the steel socket and at end thereof at the bottom of the steel socket, while a size of a clearance between the inner flange and the rim being between 5 to 60 mm, and the steel insert being equipped with elements for fixing to clamping elements of the device, and measuring probes being connected to the steel insert.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.