Before zeroing the deflectometer
, each species was loaded with approximately 1,030 N to ensure proper placement and seating of the load heads.
The resilient modulus values were defined based on back-analysis of data collected by a falling weight deflectometer
(FWD) offered by Dnit, from surveys conducted in five federal highways (BR 158, BR 285, BR 287, BR 290 and BR 392).
Stiffness measurements of the compacted base and subbase aggregates can be accomplished using a lightweight deflectometer
used according to ASTM E2835 Standard Test Method for Measuring Deflections Using a Portable Impulse Plate Load Test Device.
It collects data using a PRIMAX falling weight deflectometer
and other testing equipment for its RoSy airport pavement management system to help customers make the right strategic budget decisions with regards to maintenance and construction work.
2 Moire deflectometer
Rotlex Contest Plus Annex B Shack-Hartmann Optocraft Annex B wavefront SHSOphthalmic Phase-shifting Lambda-X TR1504 -- schlieren
The company is now using “TERRATEST 5000 BLU” device which is the world's first light weight deflectometer
with Bluetooth and voice navigation technology by TERRATEST.
Por esta razon en los estudios realizados en las vias ademas de inspecciones de danos se hizo una evaluacion estructural deflectometrica con un equipo Falling Weight Deflectometer
The load bearing capacity of sections A and B were tested using a falling weight deflectometer
To perform overlay design of airfields for the same airports based on the structural evaluation from falling weight deflectometer
(FWD) test data.
The next step would be to conduct falling weight deflectometer
testing for these sections to determine which roads have adequate soils and granular base and which would require full reconstruction.
For the last two decades, the predominant form of deflection testing for both project-level and network-level pavement evaluation has been the falling weight deflectometer
During recent years, research works have been performed to develop dynamic stiffness measuring devices such as Portable Falling Weight Deflectometer
(PFWD) that can quickly measure the in-situ stiffness of unbound pavement layers (Peterson et al.