The light weight deflectometer lwd is a hand portable falling weight device that first appeared in 1981 at magdeburg germany and developed as in situ testing device by the federal highway research institute and hmp company in germany the lwd has gained acceptance and popularity in several countries such as the united states as there is a growing interest in the use of.
Light weight deflectometer test procedure.
Using terratest lwd is the easy and fast way to check quality of soil compaction in construction sites.
The zone of influence for the test typically extends to between 1 and 1 5 times the plate diameter.
The light weight deflectometer lwd is a light weight portable tool used for measuring the bearing capacity deflection of subgrade subsoils and unbound base layers granular layers and backfilling materials.
Light weight deflectometer for dynamic plate load test using cable or bluetooth technology.
Light weight deflectometer lightweight deflectometer buy for best price.
A light weight deflectometer lwd is a portable falling weight deflectometer used primarily to test insitu base and subgrade moduli during construction.
Terratest germany is offering both.
Lwd measurement is quicker than the isotope measuring method and requires no reference measurements.
Using the 10kg falling weight the zfg 3000 light weight deflectometer lwd measures in the range of 15 70 mn m.
The app is available for ios and android.
Using the 15kg falling weight 1 5 times the impact load the measuring range extends from 70 105 mn m.