An Introduction to Void-Filled Riprap (VFR)

This video is intended for engineers and inspectors who may find themselves observing a void-filled riprap (VFR) installation in the field. The video discusses the origins, the intended use, materials, mixing, placement, and common problems associated with a VFR installation.
00:00 INTRODUCTION
03:07 VFR CHARACTERISTICS AND USES
05:42 VFR MATERIALS
08:15 VFR MIXING
12:09 VFR PLACEMENT
14:55 VFR COMMON PROBLEMS
19:41 CONCLUSION

[@AnthonyLevine007]

Absolutely fantastic video for geotechs. Thank you for taking the time to spread this info. Using it on some projects in California right now.

[@adonis563]

Thanks. Very informative. Any additional videos on how the different stones are seperated inside the quarry on a bigger scale?

[@mountains889]

Brandy Gulch?