US Army Corps of Engineers
Engineer Research and Development Center Website

HWD testing
The heavy weight deflectometer (HWD) tests expedient concrete repair at subfreezing temperatures in the FERF at ERDC-CRREL.

Download Image: Full Size (0.78 MB)
Tags: FERF, CRREL
Photo by: USACE ERDC Image |  VIRIN: 140218-A-CE999-002.JPG